def paintGL(self):
currentTime = self.__timer.elapsed() / 1000.0
self.__deltaTime = currentTime - self.__lastTime
self.__lastTime = currentTime
# clear the colorbuffer
glClearColor(0.1, 0.1, 0.1, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# draw objects
glUseProgram(self.__shader)
view = self.camera.viewMatrix
projection = glm.perspective(self.camera.zoom, float(self.width())/self.height(), 0.1, 100.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'view'), 1, GL_FALSE, view)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'projection'), 1, GL_FALSE, projection)
# cubes
glBindVertexArray(self.cubeVAO)
glBindTexture(GL_TEXTURE_2D, self.cubeTexture)
model = glm.translate(np.identity(4, np.float32), -1.0, 0.0, -1.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'model'), 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
model = glm.translate(np.identity(4, np.float32), 2.0, 0.0, 0.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'model'), 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
# floor
glBindVertexArray(self.planeVAO)
glBindTexture(GL_TEXTURE_2D, self.floorTexture)
model = np.identity(4, np.float32)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'model'), 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 6)
glBindVertexArray(0)
glUseProgram(0)
def scale_object(self, direction):
scaling_factor = 1.09
translation_factor_x = self.object.object_center_x
translation_factor_y = self.object.object_center_y
translation_factor_z = self.object.object_center_z
self.matrix = glm.translate(
self.matrix,
glm.vec3([
translation_factor_x, translation_factor_y,
translation_factor_z
]))
if direction is 'LOWER_X':
scaler = [1.0 / scaling_factor, 1.0, 1.0]
elif direction is 'INCREASE_X':
scaler = [scaling_factor, 1.0, 1.0]
if direction is 'LOWER_Y':
scaler = [1.0, 1.0 / scaling_factor, 1.0]
elif direction is 'INCREASE_Y':
scaler = [1.0, scaling_factor, 1.0]
if direction is 'LOWER_Z':
scaler = [1.0, 1.0, 1 / scaling_factor]
elif direction is 'INCREASE_Z':
scaler = [1.0, 1.0, scaling_factor]
self.matrix = glm.scale(self.matrix, glm.vec3(scaler))
self.matrix = glm.translate(
self.matrix,
glm.vec3([(-1) * translation_factor_x, (-1) * translation_factor_y,
(-1) * translation_factor_z]))
def render_text(self, text, pos, scale=1, dir=(1,0), halign='left', valign='bottom'):
offset = glm.vec3()
if halign in ('center', 'right'):
width = self.width_of(text, scale)
offset.x -= width
if halign == 'center':
offset.x /= 2
if valign in ('center', 'top'):
offset.y += self.top_bearing
if valign == 'center':
offset.y /= 2
gl.glActiveTexture(gl.GL_TEXTURE0)
gl.glBindVertexArray(self.vao)
angle_rad = math.atan2(dir[1], dir[0])
rotateM = glm.rotate(glm.mat4(1), angle_rad, glm.vec3(0, 0, 1))
transOriginM = glm.translate(glm.mat4(1), glm.vec3(*pos, 0) + offset)
gl.glUniform3f(self.uniform("textColor"), .0, .0, .0)
char_x = 0
for c in text:
c = ord(c)
ch = self.characters[c]
w, h = ch[1][0] * scale, ch[1][1] * scale
xrel, yrel = char_x + ch[2][0] * scale, (ch[1][1] - ch[2][1]) * scale
char_x += (ch[3] >> 6) * scale
scaleM = glm.scale(glm.mat4(1), glm.vec3(w, h, 1))
transRelM = glm.translate(glm.mat4(1), glm.vec3(xrel, yrel, 0))
modelM = transOriginM * rotateM * transRelM * scaleM
gl.glUniformMatrix4fv(self.uniform("model"),
1, gl.GL_FALSE, glm.value_ptr(modelM))
gl.glBindTexture(gl.GL_TEXTURE_2D, ch[0])
gl.glDrawArrays(gl.GL_TRIANGLES, 0, 6)
gl.glBindVertexArray(0)
gl.glBindTexture(gl.GL_TEXTURE_2D, 0)
def render(self, projection):
proj = projection.matrix
if not self.waypoints_mesh.is_empty():
print("waypoint mesh", len(self.waypoints_mesh.lines_array()))
self.waypoints_mesh.update_drawable(self.waypoints_drawable)
self.waypoints_mesh.clear()
if not self.waypoints_drawable.is_empty():
mat = glm.translate(proj, (.5, .5, .2))
self.waypoints_drawable.shader.set_uniform("u_projection", mat)
self.waypoints_drawable.draw()
if self.path_changed:
if self.agents._paths:
mesh = LineMesh()
for path in self.agents._paths.values():
prev_node = None
for node in path.path:
if prev_node is not None:
mesh.add_line(self.waypoints.id_to_pos[prev_node],
self.waypoints.id_to_pos[node])
prev_node = node
mesh.update_drawable(self.path_drawable)
else:
self.path_drawable.clear()
if not self.path_drawable.is_empty():
mat = glm.translate(proj, (.49, .49, .21))
self.path_drawable.shader.set_uniform("u_projection", mat)
self.path_drawable.draw()
def key_callback(window, key, scancode, action, mods):
if key == glfw.KEY_UP and action == glfw.PRESS:
myPlayer.tran = glm.translate(
myPlayer.tran, glm.fvec3(myPlayer.x, myPlayer.y + 0.1, 0.0))
translate_loc = glGetUniformLocation(myShader.ID, 'translate')
glUniformMatrix4fv(translate_loc, 1, GL_FALSE,
glm.value_ptr(myPlayer.tran))
print("UP KEY PRESSED")
if key == glfw.KEY_DOWN and action == glfw.PRESS:
myPlayer.tran = glm.translate(
myPlayer.tran, glm.fvec3(myPlayer.x, myPlayer.y - 0.1, 0.0))
translate_loc = glGetUniformLocation(myShader.ID, 'translate')
glUniformMatrix4fv(translate_loc, 1, GL_FALSE,
glm.value_ptr(myPlayer.tran))
print("DOWN KEY PRESSED")
if key == glfw.KEY_RIGHT and action == glfw.PRESS:
myPlayer.tran = glm.translate(
myPlayer.tran, glm.fvec3(myPlayer.x + 0.1, myPlayer.y, 0.0))
translate_loc = glGetUniformLocation(myShader.ID, 'translate')
glUniformMatrix4fv(translate_loc, 1, GL_FALSE,
glm.value_ptr(myPlayer.tran))
print("RIGHT KEY PRESSED")
if key == glfw.KEY_LEFT and action == glfw.PRESS:
myPlayer.tran = glm.translate(
myPlayer.tran, glm.fvec3(myPlayer.x - 0.1, myPlayer.y, 0.0))
translate_loc = glGetUniformLocation(myShader.ID, 'translate')
glUniformMatrix4fv(translate_loc, 1, GL_FALSE,
glm.value_ptr(myPlayer.tran))
print("LEFT KEY PRESSED")
def renderScene(self, shader):
# Room cube
model = np.identity(4, np.float32)
model = glm.scale(model, 10.0, 10.0, 10.0)
glUniformMatrix4fv(glGetUniformLocation(shader, 'model'), 1, GL_FALSE, model)
glDisable(GL_CULL_FACE) # Note that we disable culling here since we render 'inside' the cube instead of the usual 'outside' which throws off the normal culling methods.
glUniform1i(glGetUniformLocation(shader, 'reverse_normals'), 1) #A small little hack to invert normals when drawing cube from the inside so lighting still works.
self.renderCube()
glEnable(GL_CULL_FACE)
# Cubes
model = np.identity(4, np.float32)
model = glm.translate(model, 4.0, -3.5, 0.0)
glUniformMatrix4fv(glGetUniformLocation(shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
model = glm.translate(np.identity(4, np.float32), 2.0, 3.0, 1.0)
glUniformMatrix4fv(glGetUniformLocation(shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
model = glm.translate(np.identity(4, np.float32), -3.0, -1.0, 0.0)
glUniformMatrix4fv(glGetUniformLocation(shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
model = glm.translate(np.identity(4, np.float32), -1.5, 1.0, 1.5)
glUniformMatrix4fv(glGetUniformLocation(shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
model = glm.rotate(np.identity(4, np.float32), 60.0, 1.0, 0.0, 1.0)
model = glm.scale(model, 1.5, 1.5, 1.5)
model = glm.translate(model, -1.5, 2.0, -3.0)
glUniformMatrix4fv(glGetUniformLocation(shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
def mainloop():
vp_valid, vp_size, view, projection = glut_navigation.update()
angle1 = elapsed_ms() * math.pi * 2 / 5000.0
angle2 = elapsed_ms() * math.pi * 2 / 7333.0
model_matrices = []
for i in range(no_of_meshes):
if i == 0:
model = glm.mat4(1)
model = glm.translate(model, glm.vec3(0, 0, -1))
else:
angleY = angle1 + math.pi*2 * (i-1) / (no_of_meshes-1)
model = glm.mat4(1)
model = glm.rotate(model, angleY, glm.vec3(0, 0, 0.5))
model = glm.translate(model, glm.vec3(diameter/2, 0, 0.5))
model = glm.rotate(model, angle2, glm.vec3(0, 1, 0))
model_matrices.append(model)
light_pos = glm.vec3(0, 0, 3)
light_dir = glm.vec3(0, 0, -1)
light_cone_angle_degree = 60
light_cone_cos = math.cos(math.radians(light_cone_angle_degree) / 2)
shadow_proj = glm.perspective(glm.radians(light_cone_angle_degree + 1), 1, 0.1, 100.0)
shadow_view = glm.lookAt(light_pos, light_pos+light_dir, glm.vec3(0,1,0))
glBindBuffer(GL_SHADER_STORAGE_BUFFER, model_ssbo)
for i, model in enumerate(model_matrices):
glBufferSubData(GL_SHADER_STORAGE_BUFFER, i*4*16, glm.sizeof(glm.mat4), glm.value_ptr(model))
glBindFramebuffer(GL_FRAMEBUFFER, shadow_fbo)
glViewport(0, 0, *shadow_buffer_size)
glClear(GL_DEPTH_BUFFER_BIT)
glUseProgram(shadow_program)
glUniformMatrix4fv(0, 1, GL_FALSE, glm.value_ptr(shadow_proj))
glUniformMatrix4fv(1, 1, GL_FALSE, glm.value_ptr(shadow_view))
glEnable(GL_POLYGON_OFFSET_FILL)
glPolygonOffset(1.0, 1.0)
model_multimesh.draw()
glDisable(GL_POLYGON_OFFSET_FILL)
glBindFramebuffer(GL_FRAMEBUFFER, 0)
glViewport(0, 0, *vp_size)
glClearColor(0.2, 0.3, 0.3, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(phong_program)
glUniformMatrix4fv(0, 1, GL_FALSE, glm.value_ptr(projection))
glUniformMatrix4fv(1, 1, GL_FALSE, glm.value_ptr(view))
glUniformMatrix4fv(2, 1, GL_FALSE, glm.value_ptr(shadow_proj))
glUniformMatrix4fv(3, 1, GL_FALSE, glm.value_ptr(shadow_view))
glUniform4fv(4, 1, glm.value_ptr(glm.vec4(light_pos, 1)))
glUniform4fv(5, 1, glm.value_ptr(glm.vec4(light_dir, light_cone_cos)))
glBindTextureUnit(1, shadow_depth_to)
model_multimesh.draw()
glutSwapBuffers()
glutPostRedisplay()
def render_text(self, text, pos, scale, dir):
glActiveTexture(GL_TEXTURE0)
glBindVertexArray(self.vao)
angle_rad = math.atan2(dir[1], dir[0])
rotateM = glm.rotate(glm.mat4(1), angle_rad, glm.vec3(0, 0, 1))
transOriginM = glm.translate(glm.mat4(1), glm.vec3(*pos, 0))
char_x = 0
for c in text:
c = ord(c)
ch = self.characters[c]
w, h = ch[1][0] * scale, ch[1][1] * scale
xrel, yrel = char_x + ch[2][0] * scale, (ch[1][1] -
ch[2][1]) * scale
char_x += (ch[3] >> 6) * scale
scaleM = glm.scale(glm.mat4(1), glm.vec3(w, h, 1))
transRelM = glm.translate(glm.mat4(1), glm.vec3(xrel, yrel, 0))
modelM = transOriginM * rotateM * transRelM * scaleM
glUniformMatrix4fv(0, 1, GL_FALSE, glm.value_ptr(modelM))
glBindTexture(GL_TEXTURE_2D, ch[0])
glDrawArrays(GL_TRIANGLES, 0, 6)
glBindVertexArray(0)
glBindTexture(GL_TEXTURE_2D, 0)
def render(time):
glClearBufferfv(GL_COLOR, 0, [0.0, 0.0, 0.0, 1.0])
glClearBufferfi(GL_DEPTH_STENCIL, 0, 1.0, 0)
M_matrix = glm.mat4(1.0)
V_matrix = glm.lookAt(glm.vec3(0.0, 0.0, 12.0), glm.vec3(3.0, 3.0, 3.0),
glm.vec3(0.0, 1.0, 0.0))
glUseProgram(rendering_program)
M_location = glGetUniformLocation(rendering_program, "M_matrix")
V_location = glGetUniformLocation(rendering_program, "V_matrix")
P_location = glGetUniformLocation(rendering_program, "P_matrix")
glUniformMatrix4fv(V_location, 1, GL_FALSE, glm.value_ptr(V_matrix))
glUniformMatrix4fv(P_location, 1, GL_FALSE, glm.value_ptr(P_matrix))
for i in range(10):
for i in range(10):
M_matrix = glm.translate(M_matrix, glm.vec3(1.0, 0.0, 0.0))
M_matrix = glm.rotate(M_matrix, time, glm.vec3(1.0, 1.0, 0.0))
glUniformMatrix4fv(M_location, 1, GL_FALSE,
glm.value_ptr(M_matrix))
glDrawArrays(GL_TRIANGLES, 0, 36)
M_matrix = glm.rotate(M_matrix, time, glm.vec3(-1.0, -1.0, 0.0))
M_matrix = glm.translate(M_matrix, glm.vec3(-10.0, 1.0, 0.0))
def rotate(self, deltaDegree): # WIP
if deltaDegree == 0:
return
dx = self.x * 2 / display[0]
dy = self.y * 2 / display[1]
transform = glm.mat4(1)
transform = glm.translate(transform, glm.vec3(dx, dy, 0))
transform = glm.rotate(transform, glm.radians(deltaDegree),
glm.vec3(0.0, 0.0, 1.0))
transform = glm.translate(transform, glm.vec3(-dx, -dy, 0))
xy1 = glm.vec4(self.pos_data[0], self.pos_data[1], 0, 1)
xy2 = glm.vec4(self.pos_data[3], self.pos_data[4], 0, 1)
xy3 = glm.vec4(self.pos_data[6], self.pos_data[7], 0, 1)
xy4 = glm.vec4(self.pos_data[9], self.pos_data[10], 0, 1)
res_xy1 = transform * xy1
res_xy2 = transform * xy2
res_xy3 = transform * xy3
res_xy4 = transform * xy4
glBindBuffer(GL_ARRAY_BUFFER, self.vbo[0])
self.pos_data[0] = res_xy1[0]
self.pos_data[1] = res_xy1[1]
self.pos_data[3] = res_xy2[0]
self.pos_data[4] = res_xy2[1]
self.pos_data[6] = res_xy3[0]
self.pos_data[7] = res_xy3[1]
self.pos_data[9] = res_xy4[0]
self.pos_data[10] = res_xy4[1]
glBufferData(GL_ARRAY_BUFFER, self.pos_data.nbytes, self.pos_data,
GL_DYNAMIC_DRAW)
glBindBuffer(GL_ARRAY_BUFFER, 0)
def DrawSprite(self, texture, position, size, rotate, color):
self.shader.UseProgram()
model = glm.fmat4(1.0)
model = glm.translate(model, glm.vec3(position, 0.0))
# TRS
model = glm.translate(model, glm.vec3(0.5 * size.x, 0.5 * size.y, 0.0))
model = glm.rotate(model, rotate, glm.vec3(0.0, 0.0, 1.0))
model = glm.translate(model, glm.vec3(-0.5 * size.x, -0.5 * size.y,
0.0))
model = glm.scale(model, glm.vec3(size, 1.0))
glUniformMatrix4fv(glGetUniformLocation(self.shader.ID, "model"), 1,
GL_FALSE, glm.value_ptr(model))
glUniform3f(glGetUniformLocation(self.shader.ID, "spriteColor"),
color.x, color.y, color.z)
glActiveTexture(GL_TEXTURE0)
texture.BindTexture()
glBindVertexArray(self.VAO)
glDrawArrays(GL_TRIANGLES, 0, 6)
glBindVertexArray(0)
def pan(self, old_pos, new_pos):
inv_view = glm.inverse(self.view)
view_pos = glm.vec3(inv_view[3])
los = -glm.vec3(inv_view[2])
up = glm.vec3(inv_view[1])
wnd_from = glm.vec3(old_pos[0], old_pos[1], 1)
wnd_to = glm.vec3(new_pos[0], new_pos[1], 1)
vp_rect = glm.vec4(0, 0, self.width, self.height)
world_from = glm.unProject(wnd_from, self.view, self.proj, vp_rect)
world_to = glm.unProject(wnd_to, self.view, self.proj, vp_rect)
dir_from = glm.normalize(world_from - view_pos)
dir_to = glm.normalize(world_to - view_pos)
rot_axis = glm.normalize(glm.cross(dir_from, dir_to))
rot_angle = math.acos(glm.dot(dir_from, dir_to))
rotate = glm.rotate(glm.mat4(1), rot_angle, rot_axis)
model_rot = glm.translate(glm.mat4(1),
view_pos) * rotate * glm.translate(
glm.mat4(1), -view_pos)
self.view = self.view * model_rot
def render(self):
trans_mat = glm.mat4(1.0, dtype=c_float)
trans_mat = glm.translate(trans_mat, self.position)
loc_trans_mat = glm.mat4(1.0, dtype=c_float)
loc_trans_mat = glm.translate(loc_trans_mat, self.local_position)
rot_mat = glm.mat4_cast(self.rotation)
loc_rot_mat = glm.mat4_cast(self.local_rotation)
# push transformations to stack
sm.CURRENT_PROGRAM.push()
# sm.CURRENT_PROGRAM.model_mat4(glm.mat4(1.0, dtype=c_float).value)
sm.CURRENT_PROGRAM.model_mat4(trans_mat.value)
sm.CURRENT_PROGRAM.model_mat4(rot_mat.value)
sm.CURRENT_PROGRAM.model_mat4(loc_trans_mat.value)
sm.CURRENT_PROGRAM.model_mat4(loc_rot_mat.value)
# disable depth test if self.disable_depth is True
gl.glEnable(gl.GL_DEPTH_TEST)
# is_depth_enabled = gl.glIsEnabled(gl.GL_DEPTH_TEST)
# if self.disable_depth and is_depth_enabled:
# gl.glDisable(gl.GL_DEPTH_TEST)
# draw the mesh
self._mesh.render()
# re-enable depth test if depth test was enabled prior to disabling
# if self.disable_depth and is_depth_enabled:
# gl.glEnable(gl.GL_DEPTH_TEST)
# render children
for i in range(len(self._children)):
# pushing here separates the transformations of the children from the parent
# sm.CURRENT_PROGRAM.push()
self._children[i].render()
# sm.CURRENT_PROGRAM.pop()
# pop transformations from stack
sm.CURRENT_PROGRAM.pop()
def render(self, rs: GameRenderSettings, pass_num: int):
# print(self.drawable._attributes["a_position"])
proj = rs.projection.projection_matrix_4()
trans = rs.projection.transformation_matrix_4()
trans *= self.object.transformation_matrix()
if 0:
self.mesh.render(
projection=proj,
transformation=trans,
)
else:
trans = self.object.transformation_matrix()
trans = glm.scale(glm.mat4(1), glm.vec3(.2, .2, .2))
self.mesh.render_multi(
projection=proj,
transformations=[
trans,
glm.translate(trans, glm.vec3(-1, -1, 0)),
#glm.mat4(1),
glm.translate(trans, glm.vec3(1, 1, 0)),
glm.translate(trans, glm.vec3(.1, 1, 0)),
glm.translate(trans, glm.vec3(.2, 1, 0)),
glm.translate(trans, glm.vec3(.3, 1, 0)),
#glm.translate(glm.mat4(1), glm.vec3(2, 0, 0)),
],
)
def render_scene(time, cam1, view, projection):
# Light source: lamp
light_color = glm.vec3(1, 1, 1)
light_position = glm.vec3(np.cos(time), 1.5, np.sin(time))
# Ground
glBindVertexArray(vao1)
glUseProgram(shader_solid)
model = glm.identity(4)
model = glm.rotate(np.pi*0.5, glm.vec3(1, 0, 0)) * model
glUniform3fv(glGetUniformLocation(shader_solid, "solid_color"), 1, glm.vec3(0, 0, 1))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "view"), 1, GL_TRUE, np.asarray(view))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "projection"), 1, GL_FALSE, np.asarray(projection))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "model"), 1, GL_TRUE, np.asarray(model))
glDrawElements(GL_TRIANGLES, len(indices1), GL_UNSIGNED_INT, None)
glBindVertexArray(0)
# Big Cube
glBindVertexArray(vao2)
glUseProgram(shader_basic_lighting)
model = glm.identity(4)
model = glm.translate(glm.vec3(.0, 0.5, .0)) * model
# model = model * glm.rotate(1.0 * np.pi * time, glm.vec3(1, 1, 0.2))
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "light_color"), 1, light_color)
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "light_pos"), 1, light_position)
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "object_color"), 1, glm.vec3(1, .5, .31))
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "view_pos"), 1, cam1.position)
glUniformMatrix4fv(glGetUniformLocation(shader_basic_lighting, "view"), 1, GL_TRUE, np.asarray(view))
glUniformMatrix4fv(glGetUniformLocation(shader_basic_lighting, "projection"), 1, GL_FALSE, np.asarray(projection))
glUniformMatrix4fv(glGetUniformLocation(shader_basic_lighting, "model"), 1, GL_TRUE, np.asarray(model))
glDrawArrays(GL_TRIANGLES, 0, 36)
glBindVertexArray(0)
# Small cube
glBindVertexArray(vao2)
model = glm.identity(4)
model = model * glm.translate(glm.vec3(.75, .95, 0))
model = model * glm.rotate(3.0 * np.pi * time, glm.vec3(1, -.2, 0.8))
model = model * glm.scale(glm.vec3(.1, .1, 0.2))
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "light_color"), 1, light_color)
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "light_pos"), 1, light_position)
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "object_color"), 1, glm.vec3(1, 0, 0))
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "view_pos"), 1, cam1.position)
glUniformMatrix4fv(glGetUniformLocation(shader_basic_lighting, "view"), 1, GL_TRUE, np.asarray(view))
glUniformMatrix4fv(glGetUniformLocation(shader_basic_lighting, "projection"), 1, GL_FALSE, np.asarray(projection))
glUniformMatrix4fv(glGetUniformLocation(shader_basic_lighting, "model"), 1, GL_TRUE, np.array(model))
glDrawArrays(GL_TRIANGLES, 0, 36)
glBindVertexArray(0)
# Lamp
glUseProgram(shader_solid)
glBindVertexArray(vao_lamp)
model = glm.translate(light_position)
model = model * glm.scale(glm.vec3(.2, .2, .2))
glUniform3fv(glGetUniformLocation(shader_solid, "solid_color"), 1, glm.vec3(1, 1, 1))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "view"), 1, GL_TRUE, np.asarray(view))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "projection"), 1, GL_FALSE, np.asarray(projection))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "model"), 1, GL_TRUE, np.asarray(model))
glDrawElements(GL_TRIANGLES, len(indices3), GL_UNSIGNED_INT, None)
glBindVertexArray(0)
def WindowMat(self):
vp_rect = self.VpRect()
inv_wnd = glm.translate(glm.mat4(1), glm.vec3(-1, -1, -1))
inv_wnd = glm.scale(inv_wnd, glm.vec3(2 / vp_rect[2], 2 / vp_rect[3],
2))
inv_wnd = glm.translate(inv_wnd, glm.vec3(vp_rect[0], vp_rect[1], 0))
return glm.inverse(inv_wnd), inv_wnd
def rotate_object(self, direction):
transformation_angle = 3.0
translation_factor_x = self.object.object_center_x
translation_factor_y = self.object.object_center_y
translation_factor_z = self.object.object_center_z
self.matrix = glm.translate(self.matrix,
glm.vec3([translation_factor_x, translation_factor_y, translation_factor_z]))
if direction is 'LOWER_X':
rotator = [1.0, 0.0, 0.0]
elif direction is 'INCREASE_X':
rotator = [-1.0, 0.0, 0.0]
if direction is 'LOWER_Y':
rotator = [0.0, -1.0, 0.0]
elif direction is 'INCREASE_Y':
rotator = [0.0, 1.0, 0.0]
if direction is 'LOWER_Z':
rotator = [0.0, 0.0, -1.0]
elif direction is 'INCREASE_Z':
rotator = [0.0, 0.0, 1.0]
self.matrix = glm.rotate(self.matrix, glm.radians(transformation_angle), glm.vec3(rotator))
self.matrix = glm.translate(self.matrix,
glm.vec3([(-1) * translation_factor_x,
(-1) * translation_factor_y,
(-1) * translation_factor_z]))
def updateUniformBuffers(self):
self.uboVS['projection'] = glm.transpose(
glm.perspectiveRH_ZO(glm.radians(60.0), self.width / self.height,
0.001, 256.0))
view = glm.transpose(
glm.translate(glm.mat4(1.0), glm.vec3(0.0, 0.0, self.zoom)))
self.uboVS['model'] = view * glm.translate(glm.mat4(1.0),
self.cameraPos)
self.uboVS['model'] = glm.rotate(self.uboVS['model'],
glm.radians(self.rotation.x),
glm.vec3(1.0, 0.0, 0.0))
self.uboVS['model'] = glm.rotate(self.uboVS['model'],
glm.radians(self.rotation.y),
glm.vec3(0.0, 1.0, 0.0))
self.uboVS['model'] = glm.rotate(self.uboVS['model'],
glm.radians(self.rotation.z),
glm.vec3(0.0, 0.0, 1.0))
self.uboVS['viewPos'] = glm.vec4(0.0, 0.0, -self.zoom, 0.0)
uboVSSize = sum([glm.sizeof(ubo) for ubo in self.uboVS.values()])
uboVSBuffer = np.concatenate(
(np.array(self.uboVS['projection']).flatten(order='C'),
np.array(self.uboVS['model']).flatten(order='C'),
np.array(self.uboVS['viewPos']).flatten(order='C'),
np.array(self.uboVS['lodBias']).flatten(order='C')))
self.uniformBufferVS.map()
self.uniformBufferVS.copyTo(uboVSBuffer, uboVSSize)
self.uniformBufferVS.unmap()
def DrawNoTex(self, position, size, rotate, color, Grid, Selected):
self.shader.UseProgram()
model = glm.fmat4(1.0)
model = glm.translate(model, glm.vec3(position, 0.0))
model = glm.translate(model, glm.vec3(0.5 * size.x, 0.5 * size.y, 0.0))
model = glm.rotate(model, glm.radians(rotate), glm.vec3(1.0, 0.0, 0.0))
model = glm.translate(model, glm.vec3(-0.5 * size.x, -0.5 * size.y,
0.0))
model = glm.scale(model, glm.vec3(size, 1.0))
glUniformMatrix4fv(glGetUniformLocation(self.shader.ID, "model"), 1,
GL_FALSE, glm.value_ptr(model))
glUniform3f(glGetUniformLocation(self.shader.ID, "spriteColor"),
color.x, color.y, color.z)
glUniform2f(glGetUniformLocation(self.shader.ID, "FullGrid"), Grid.x,
Grid.y)
glUniform2f(glGetUniformLocation(self.shader.ID, "CurrCoord"),
Selected.x, Selected.y)
# glActiveTexture(GL_TEXTURE0)
glBindVertexArray(self.VAO)
glDrawArrays(GL_TRIANGLES, 0, 6)
glBindVertexArray(0)
def test_scene():
from .lights import PointLight, SpotLight, DirectionalLight
scene = Scene()
for j in range(2):
for x, roughness in zip(np.linspace(-3, 3, 5),
np.linspace(0, 1, 5)):
sphere = Mesh(transform=glm.translate(glm.mat4(1),
(x, 0.5, j * 3 - 1.5)),
geometry=Geometry(*imdraw.geo.sphere()),
material=Material(albedo=glm.vec3(0.5),
emission=(0, 0, 0),
roughness=roughness,
metallic=float(j)))
scene.add_child(sphere)
dirlight = DirectionalLight(direction=glm.vec3(1, -6, -2),
color=glm.vec3(1.0),
intensity=1.0,
position=-glm.vec3(1, -6, -2),
radius=5,
near=1,
far=30)
spotlight = SpotLight(position=glm.vec3(-1, 0.5, -3),
direction=glm.vec3(1, -0.5, 3),
color=glm.vec3(0.04, 0.6, 1.0),
intensity=150.0,
fov=60,
near=1,
far=15)
pointlight = PointLight(position=glm.vec3(2.5, 1.3, 2.5),
color=glm.vec3(1, 0.7, 0.1),
intensity=17.5,
near=0.1,
far=10)
scene.add_child(dirlight)
scene.add_child(spotlight)
scene.add_child(pointlight)
# cube = Mesh(transform=glm.translate(glm.mat4(1), (1.0, 0.5, 0.0)) * glm.rotate(glm.mat4(1), glm.radians(30), (0,1,0)),
# geometry=Geometry(*imdraw.geo.cube()),
# material=Material(albedo=(1, 0, 0),
# emission=(0,0,0),
# roughness=0.7,
# metallic=0.0))
# scene.add_child(cube)
plane = Mesh(transform=glm.translate(glm.mat4(1), (0, 0.0, 0.0)),
geometry=Geometry(*imdraw.geo.plane()),
material=Material(albedo=(0.5, 0.5, 0.5),
emission=(0, 0, 0),
roughness=0.8,
metallic=0.0))
scene.add_child(plane)
return scene
def getView(self):
m = glm.mat4(1.0)
m = glm.translate(m, self.offset)
m = glm.rotate(m, glm.radians(self.pitch), (1, 0, 0))
m = glm.rotate(m, glm.radians(self.yaw), (0, 1, 0))
m = glm.translate(m, self.pos)
return m
def paintGL(self):
currentTime = self.__timer.elapsed() / 1000.0
self.__deltaTime = currentTime - self.__lastTime
self.__lastTime = currentTime
# Bind to framebuffer and draw to color texture
# as we normally would
glBindFramebuffer(GL_FRAMEBUFFER, self.framebuffer)
# Render
# Clear the colorbuffer
glClearColor(0.1, 0.1, 0.1, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glEnable(GL_DEPTH_TEST)
glUseProgram(self.__shaderProgram)
view = self.camera.viewMatrix
projection = glm.perspective(self.camera.zoom, float(self.width()) / self.height(), 0.1, 100.0)
# get their uniform location
modelLoc = glGetUniformLocation(self.__shaderProgram, 'model')
viewLoc = glGetUniformLocation(self.__shaderProgram, 'view')
projLoc = glGetUniformLocation(self.__shaderProgram, 'projection')
glUniformMatrix4fv(viewLoc, 1, GL_FALSE, view)
glUniformMatrix4fv(projLoc, 1, GL_FALSE, projection)
# Floor
glBindVertexArray(self.floorVAO)
glBindTexture(GL_TEXTURE_2D, self.floorTexture)
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, np.identity(4, np.float32))
glDrawArrays(GL_TRIANGLES, 0, 6)
glBindVertexArray(0)
# Cubes
glBindVertexArray(self.cubeVAO)
glBindTexture(GL_TEXTURE_2D, self.cubeTexture)
model = glm.translate(np.identity(4, np.float32), -1, 0, -1)
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
model = glm.translate(np.identity(4, np.float32), 2, 0, 0)
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
glBindVertexArray(0)
# Bind to default framebuffer again and draw the
# quad plane with attched screen texture
glBindFramebuffer(GL_FRAMEBUFFER, 0)
# Clear all relevant buffers
glClearColor(1.0, 1.0, 1.0, 1.0)
glClear(GL_COLOR_BUFFER_BIT)
glDisable(GL_DEPTH_TEST)
# Draw Screen
glUseProgram(self.__screenShaderProgram)
glBindVertexArray(self.quadVAO)
glBindTexture(GL_TEXTURE_2D, self.textureColorBuffer)
glDrawArrays(GL_TRIANGLES, 0, 6)
glBindVertexArray(0)
def render():
glClearColor(0, 0, 0, 0.0)
glClearDepth(1.0)
glPointSize(5)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
projection = glm.perspective(
glm.radians(camera.zoom),
window.window_width * 1.0 / window.window_height, 0.1, 1000)
view = camera.get_view_matrix()
#
# draw grid
shader_program.use()
shader_program.set_matrix("projection", glm.value_ptr(projection))
shader_program.set_matrix("view", glm.value_ptr(view))
m = glm.mat4(1.0)
m = glm.translate(m, grid_position[2])
m = glm.rotate(m, glm.radians(90), grid_position[1][1])
m = glm.scale(m, glm.vec3(5))
shader_program.set_matrix("model", glm.value_ptr(m))
shader_program.un_use()
grid_model.draw(shader_program, draw_type=GL_LINES)
#
# draw hand
hand_shader_program.use()
hand_shader_program.set_matrix("projection", glm.value_ptr(projection))
hand_shader_program.set_matrix("view", glm.value_ptr(view))
m = glm.mat4(1.0)
m = glm.translate(m, glm.vec3(0, 6, 0))
m = glm.rotate(m, glm.radians(-90), glm.vec3(1, 0, 0))
# m = glm.rotate(m, glm.radians(model_position[1][1][0]), model_position[1][1][1])
# m = glm.rotate(m, glm.radians(model_position[1][2][0]), model_position[1][2][1])
m = glm.scale(m, glm.vec3(0.02, 0.02, 0.02))
hand_shader_program.set_matrix("model", glm.value_ptr(m))
hand_shader_program.set_uniform_3f("lightColor", light_color)
hand_shader_program.set_uniform_3f("lightPos", light_position)
hand_shader_program.set_uniform_3f("handColor", hand_color)
hand_shader_program.un_use()
hand_model.draw(hand_shader_program, draw_type=GL_TRIANGLES)
#
# draw light cube
light_shader_program.use()
light_shader_program.set_matrix("projection", glm.value_ptr(projection))
light_shader_program.set_matrix("view", glm.value_ptr(view))
m = glm.mat4(1.0)
m = glm.translate(
m, glm.vec3(light_position[0], light_position[1], light_position[2]))
m = glm.scale(m, glm.vec3(1, 1, 1))
light_shader_program.set_matrix("model", glm.value_ptr(m))
light_shader_program.set_uniform_3f("lightColor", light_color)
light_shader_program.un_use()
light_cube.draw(light_shader_program, draw_type=GL_TRIANGLES)
def _calculate_node_bounding_box(
version: int,
node_count: int,
node: Node,
matrix: glm.mat4 = glm.mat4(1.0)) -> None:
parent = node.parent
rsm_node = node.impl
bbox = BoundingBox()
if parent is not None:
matrix = glm.translate(matrix, glm.vec3(rsm_node.info.position))
if rsm_node.rot_key_count == 0:
if rsm_node.info.rotation_angle > 0.01:
matrix = glm.rotate(
matrix,
glm.radians(rsm_node.info.rotation_angle * 180.0 / math.pi),
glm.vec3(rsm_node.info.rotation_axis))
else:
quaternion = glm.quat(*rsm_node.rot_key_frames[0].quaternion)
matrix *= glm.mat4_cast(glm.normalize(quaternion))
matrix = glm.scale(matrix, glm.vec3(rsm_node.info.scale))
local_matrix = copy.copy(matrix)
offset_matrix = mat3tomat4(rsm_node.info.offset_matrix)
if node_count > 1:
local_matrix = glm.translate(local_matrix,
glm.vec3(rsm_node.info.offset_vector))
local_matrix *= offset_matrix
for i in range(rsm_node.mesh_vertex_count):
x = rsm_node.mesh_vertices[i].position[0]
y = rsm_node.mesh_vertices[i].position[1]
z = rsm_node.mesh_vertices[i].position[2]
v = glm.vec3()
v[0] = local_matrix[0][0] * x + local_matrix[1][0] * y + local_matrix[
2][0] * z + local_matrix[3][0]
v[1] = local_matrix[0][1] * x + local_matrix[1][1] * y + local_matrix[
2][1] * z + local_matrix[3][1]
v[2] = local_matrix[0][2] * x + local_matrix[1][2] * y + local_matrix[
2][2] * z + local_matrix[3][2]
for j in range(3):
bbox.min[j] = min(v[j], bbox.min[j])
bbox.max[j] = max(v[j], bbox.max[j])
for i in range(3):
bbox.offset[i] = (bbox.max[i] + bbox.min[i]) / 2.0
bbox.range[i] = (bbox.max[i] - bbox.min[i]) / 2.0
bbox.center[i] = bbox.min[i] + bbox.range[i]
node.bbox = bbox
for child in node.children:
_calculate_node_bounding_box(version, node_count, child, matrix)
def classic_copy_board(M_matrix, M_location):
for i in range(10):
M_matrix = glm.translate(M_matrix, glm.vec3(1.0, -10.0, 0.0))
glUniformMatrix4fv(M_location, 1, GL_FALSE, glm.value_ptr(M_matrix))
for j in range(10):
M_matrix = glm.translate(M_matrix, glm.vec3(0.0, 1.0, 0.0))
glUniformMatrix4fv(M_location, 1, GL_FALSE,
glm.value_ptr(M_matrix))
glDrawArrays(GL_TRIANGLES, 0, 36)
def draw_objects(shader):
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# Create perspective matrix
pers = glm.perspective(0.5,1.0,0.1,50.0)
# Create rotation matrix
rot_x = glm.rotate(glm.mat4(1.0),0.5 * glfw.get_time(),glm.vec3(1.0,0.0,0.0))
rot_y = glm.rotate(glm.mat4(1.0),0.5 * glfw.get_time(),glm.vec3(0.0,1.0,0.0))
# Create normal transformation matrix
normal_matrix = glm.mat4(1.0)
normalMatrixLoc = glGetUniformLocation(shader, "normal_matrix")
glUniformMatrix4fv(normalMatrixLoc, 1, GL_FALSE, glm.value_ptr(normal_matrix*rot_x*rot_y))
# Create tranformation matrix for sphere
trans = glm.translate(glm.mat4(1.0), glm.vec3(-0.8,0.8,-5.5))
modelViewLoc = glGetUniformLocation(shader, "model_view_matrix")
glUniformMatrix4fv(modelViewLoc, 1, GL_FALSE, glm.value_ptr(trans*rot_x*rot_y))
modelViewProjLoc = glGetUniformLocation(shader, "model_view_projection_matrix")
glUniformMatrix4fv(modelViewProjLoc, 1, GL_FALSE, glm.value_ptr(pers*trans*rot_x*rot_y))
# Draw Sphere
sphere_quadric = gluNewQuadric()
gluQuadricNormals(sphere_quadric, GLU_SMOOTH)
gluSphere(sphere_quadric, 0.35, 20, 20)
# Create tranformation matrix for teapot
trans = glm.translate(glm.mat4(1.0), glm.vec3(0.0,0.0,-20.5))
scale = glm.scale(glm.mat4(1.0), glm.vec3(0.1, 0.1, 0.1))
modelViewLoc = glGetUniformLocation(shader, "model_view_matrix")
glUniformMatrix4fv(modelViewLoc, 1, GL_FALSE, glm.value_ptr(trans*scale*rot_x*rot_y))
modelViewProjLoc = glGetUniformLocation(shader, "model_view_projection_matrix")
glUniformMatrix4fv(modelViewProjLoc, 1, GL_FALSE, glm.value_ptr(pers*trans*scale*rot_x*rot_y))
draw_faces(teapot_faces)
# Create tranformation matrix for cylinder
trans = glm.translate(glm.mat4(1.0), glm.vec3(0.8,-0.8,-5.5))
modelViewLoc = glGetUniformLocation(shader, "model_view_matrix")
glUniformMatrix4fv(modelViewLoc, 1, GL_FALSE, glm.value_ptr(trans*rot_x*rot_y))
modelViewProjLoc = glGetUniformLocation(shader, "model_view_projection_matrix")
glUniformMatrix4fv(modelViewProjLoc, 1, GL_FALSE, glm.value_ptr(pers*trans*rot_x*rot_y))
# Draw cylinder
cylinder_quad = gluNewQuadric()
gluQuadricNormals(cylinder_quad, GLU_SMOOTH)
gluCylinder(cylinder_quad, 0.25, 0.25, 0.5, 10, 10)
def _generate_nodeview_matrix1(rsm_version: int, node: AbstractNode,
is_only_node: bool,
model_bbox: BoundingBox) -> glm.mat4:
rsm_node = node.impl
# Model view
# Translation
nodeview_matrix = glm.mat4()
if node.parent is None:
# Z axis is in the opposite direction in glTF
nodeview_matrix = glm.rotate(nodeview_matrix, math.pi,
glm.vec3(1.0, 0.0, 0.0))
if is_only_node:
nodeview_matrix = glm.translate(
nodeview_matrix,
glm.vec3(-model_bbox.center[0] + model_bbox.range[0],
-model_bbox.max[1] + model_bbox.range[1],
-model_bbox.min[2]))
else:
nodeview_matrix = glm.translate(
nodeview_matrix,
glm.vec3(-model_bbox.center[0], -model_bbox.max[1],
-model_bbox.center[2]))
else:
nodeview_matrix = glm.rotate(nodeview_matrix, -math.pi / 2,
glm.vec3(1.0, 0.0, 0.0))
nodeview_matrix = glm.translate(nodeview_matrix,
glm.vec3(rsm_node.info.position))
# Figure out the initial rotation
if len(rsm_node.rot_key_frames) == 0:
# Static model
if rsm_node.info.rotation_angle > 0.01:
nodeview_matrix = glm.rotate(
nodeview_matrix,
glm.radians(rsm_node.info.rotation_angle * 180.0 / math.pi),
glm.vec3(rsm_node.info.rotation_axis))
else:
# Animated model
key_frame = rsm_node.rot_key_frames[0]
quaternion = glm.quat(key_frame.quaternion[3], key_frame.quaternion[0],
key_frame.quaternion[1], key_frame.quaternion[2])
nodeview_matrix *= glm.mat4_cast(quaternion)
# Scaling
nodeview_matrix = glm.scale(nodeview_matrix, glm.vec3(rsm_node.info.scale))
# Node view
if is_only_node:
nodeview_matrix = glm.translate(nodeview_matrix, -model_bbox.range)
elif node.parent is not None:
nodeview_matrix = glm.translate(nodeview_matrix,
glm.vec3(rsm_node.info.offset_vector))
nodeview_matrix *= mat3tomat4(rsm_node.info.offset_matrix)
return nodeview_matrix
def _create_transform_for(cls, rot, scale, trans):
mat = glm.mat4(1)
mat = glm.translate(
mat,
glm.vec3(trans) + glm.vec3(8, 8, 8) * glm.vec3(scale))
mat = glm.rotate(mat, -math.radians(rot[0]), glm.vec3(0, 0, 1))
mat = glm.rotate(mat, -math.radians(rot[1]), glm.vec3(0, 1, 0))
mat = glm.rotate(mat, -math.radians(rot[2]), glm.vec3(1, 0, 0))
mat = glm.translate(mat, glm.vec3(-8, -8, -8) * glm.vec3(scale))
mat = glm.scale(mat, glm.vec3(scale))
return mat
def getLocalXYZFromAngles(self, angles, len1, len2, joint2Offs):
#state_start = time.time()
resultTm = glm.mat4x4()
resultTm = glm.rotate(resultTm, angles[0], glm.vec3([1.0, 0.0, 0.0]))
resultTm = glm.translate(resultTm, joint2Offs)
resultTm = glm.rotate(resultTm, angles[1], glm.vec3([0.0, 1.0, 0.0]))
resultTm = glm.translate(resultTm, len1)
resultTm = glm.rotate(resultTm, angles[2], glm.vec3([0.0, 1.0, 0.0]))
resultTm = glm.translate(resultTm, len2)
point = glm.vec3(glm.column(resultTm, 3))
#print("tm",(time.time()-state_start)*1000.0)
return point
'''
def set_rotation(self, origin, axis, angle, rescale):
"""
Sets rotation matrix on this cube.
:param origin: rotation origin
:param axis: rotation axis
:param angle: rotation angle
:param rescale: fixme: currently ignored
:return:
"""
self.matrix = glm.translate(glm.mat4(1), glm.vec3(*origin))
self.matrix = glm.rotate(self.matrix, math.radians(angle),
Cube.AXES[axis])
self.matrix = glm.translate(self.matrix, -glm.vec3(*origin))
def on_draw(self, event):
# Read about depth testing and changing stated in vispy here http://vispy.org/gloo.html?highlight=set_state
gloo.clear(color=[0.2, 0.3, 0.3, 1.0], depth=True)
self.view = glm.mat4(1.0)
self.view = glm.translate(self.view, glm.vec3(0.0, 0.0, -3.0))
# to rotate camera along 45 degree or unit vector's direction
# self.view = glm.rotate(self.view, (time() - self.startTime)* glm.radians(50), glm.vec3(1, 1, 1))
self.projection = glm.mat4(1.0)
self.projection = glm.perspective(glm.radians(45.0),
builtins.width / builtins.height,
0.1, 100.0)
# vispy takes numpy array in m * n matrix form
self.view = (np.array(self.view.to_list()).astype(np.float32))
self.projection = (np.array(self.projection.to_list()).astype(
np.float32))
# reshaping to (m, n) to (1, m*n) to support data input in vispy
self.view = self.view.reshape(
(1, self.view.shape[0] * self.view.shape[1]))
self.projection = self.projection.reshape(
(1, self.projection.shape[0] * self.projection.shape[1]))
self.program['view'] = self.view
self.program['projection'] = self.projection
i = 0
for cubePosition in self.cubePositions:
self.model = glm.mat4(1.0)
self.model = glm.translate(self.model, cubePosition)
if i % 3 == 0:
self.model = glm.rotate(
self.model,
glm.radians(
(time() - self.startTime) * glm.radians(2000) * i / 2),
glm.vec3(1.0, 0.3, 0.5))
self.model = (np.array(self.model.to_list()).astype(np.float32))
self.model = self.model.reshape(
(1, self.model.shape[0] * self.model.shape[1]))
self.program['model'] = self.model
self.program.draw('triangles')
i += 1
self.update()
def paintGL(self):
currentTime = self.__timer.elapsed() / 1000.0
self.__deltaTime = currentTime - self.__lastTime
self.__lastTime = currentTime
# Render
# Clear the colorbuffer
glClearColor(0.1, 0.1, 0.1, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(self.__shaderProgram)
view = self.camera.viewMatrix
projection = glm.perspective(self.camera.zoom,
float(self.width()) / self.height(), 0.1,
100.0)
# get their uniform location
modelLoc = glGetUniformLocation(self.__shaderProgram, 'model')
viewLoc = glGetUniformLocation(self.__shaderProgram, 'view')
projLoc = glGetUniformLocation(self.__shaderProgram, 'projection')
glUniformMatrix4fv(viewLoc, 1, GL_FALSE, view)
glUniformMatrix4fv(projLoc, 1, GL_FALSE, projection)
# Cubes
glBindVertexArray(self.cubeVAO)
glBindTexture(GL_TEXTURE_2D, self.cubeTexture)
model = glm.translate(np.identity(4, np.float32), -1, 0, -1)
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
model = glm.translate(np.identity(4, np.float32), 2, 0, 0)
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
# Floor
glBindVertexArray(self.planeVAO)
glBindTexture(GL_TEXTURE_2D, self.floorTexture)
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, np.identity(4, np.float32))
glDrawArrays(GL_TRIANGLES, 0, 6)
# Vergetation
glBindVertexArray(self.transparentVAO)
glBindTexture(GL_TEXTURE_2D, self.transparentTexture)
for i in self.vegetation:
model = glm.translate(np.identity(4, np.float32), i[0], i[1], i[2])
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 6)
glBindVertexArray(0)
def paintGL(self):
# Render
# Clear the colorbuffer
glClearColor(0.2, 0.3, 0.3, 1.0)
glClear(GL_COLOR_BUFFER_BIT)
glUseProgram(self.__shaderProgram)
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.texture1)
glUniform1i(glGetUniformLocation(self.__shaderProgram, 'ourTexture1'), 0)
glActiveTexture(GL_TEXTURE1)
glBindTexture(GL_TEXTURE_2D, self.texture2)
glUniform1i(glGetUniformLocation(self.__shaderProgram, 'ourTexture2'), 1)
transform = np.identity(4, np.float32)
transform = glm.rotate(transform, self.__timer.elapsed() / 1000.0 * 50.0,
0.0, 0.0, 1.0)
transform = glm.translate(transform, 0.5, -0.5, 0.0)
transformLoc = glGetUniformLocation(self.__shaderProgram, 'transform')
glUniformMatrix4fv(transformLoc, 1, GL_FALSE, transform)
glBindVertexArray(self.__vao)
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, None)
glBindVertexArray(0)
def renderGL(self):
"""opengl render method"""
# get the time in seconds
t = glfwGetTime()
# clear first
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# use the shader program
glUseProgram(self.__shaderProgram)
# calculate ViewProjection matrix
projection = glm.perspective(90.0, 4.0 / 3.0, .1, 100.0)
# translate the world/view position
view = glm.translate(glm.mat4(1.0), glm.vec3(0.0, 0.0, -5.0))
# make the camera rotate around the origin
view = glm.rotate(view, 90.0 * t, glm.vec3(1.0, 1.0, 1.0))
viewProjection = np.array(projection * view, dtype=np.float32)
# set the uniform
glUniformMatrix4fv(self.__vpLocation, 1, GL_FALSE, viewProjection)
# bind the vao
glBindVertexArray(self.__vao)
# draw
# the additional parameter indicates how many instances to render
glDrawElementsInstanced(GL_TRIANGLES, 6 * 6, GL_UNSIGNED_INT, None, 8)
glBindVertexArray(0)
glUseProgram(0)
def paintGL(self):
currentTime = self.__timer.elapsed() / 1000.0
self.__deltaTime = currentTime - self.__lastTime
self.__lastTime = currentTime
# Render
# Clear the colorbuffer
glClearColor(0.05, 0.05, 0.05, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(self.__shaderProgram)
view = self.camera.viewMatrix
#view = glm.translate(view, 0.0, 0.0, -3.0)
projection = glm.perspective(self.camera.zoom, float(self.width()) / self.height(), 0.1, 100.0)
# get their uniform location
modelLoc = glGetUniformLocation(self.__shaderProgram, 'model')
viewLoc = glGetUniformLocation(self.__shaderProgram, 'view')
projLoc = glGetUniformLocation(self.__shaderProgram, 'projection')
glUniformMatrix4fv(viewLoc, 1, GL_FALSE, view)
glUniformMatrix4fv(projLoc, 1, GL_FALSE, projection)
model = np.identity(4, np.float32)
model = glm.scale(model, 0.2, 0.2, 0.2)
model = glm.translate(model, 0.0, -1.75, 0.0)
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, model)
self.model.draw(self.__shaderProgram)
def renderGL(self):
"""opengl render method"""
# get the time in seconds
t = glfwGetTime()
# clear first
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# use the shader program
glUseProgram(self.__shaderProgram)
# calculate ViewProjection matrix
projection = glm.perspective(90.0, 4.0 / 3.0, .1, 100.0)
projection = np.array(projection, dtype=np.float32)
# translate the world/view position
view = glm.translate(glm.mat4(1.0), glm.vec3(0.0, 0.0, -50.0))
# make the camera rotate around the origin
view = glm.rotate(view, 30.0 * math.sin(t * 0.1), glm.vec3(1.0, 0.0, 0.0))
view = glm.rotate(view, -22.5 * t, glm.vec3(0.0, 1.0, 0.0))
view = np.array(view, dtype=np.float32)
# set the uniform
glUniformMatrix4fv(self.__viewLocation, 1, GL_FALSE, view)
glUniformMatrix4fv(self.__projLocation, 1, GL_FALSE, projection)
# bind the vao
glBindVertexArray(self.__vao)
# draw
glDrawArrays(GL_POINTS, 0, self.__particles)
glBindVertexArray(0)
glUseProgram(0)
def paintGL(self):
currentTime = self.__timer.elapsed() / 1000.0
self.__deltaTime = currentTime - self.__lastTime
self.__lastTime = currentTime
# Render
# Clear the colorbuffer
glClearColor(0.1, 0.1, 0.1, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(self.__shaderProgram)
view = self.camera.viewMatrix
projection = glm.perspective(self.camera.zoom, float(self.width()) / self.height(), 0.1, 100.0)
# get their uniform location
modelLoc = glGetUniformLocation(self.__shaderProgram, 'model')
viewLoc = glGetUniformLocation(self.__shaderProgram, 'view')
projLoc = glGetUniformLocation(self.__shaderProgram, 'projection')
glUniformMatrix4fv(viewLoc, 1, GL_FALSE, view)
glUniformMatrix4fv(projLoc, 1, GL_FALSE, projection)
# Cubes
glBindVertexArray(self.cubeVAO)
glBindTexture(GL_TEXTURE_2D, self.cubeTexture)
model = glm.translate(np.identity(4, np.float32), -1, 0, -1)
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
model = glm.translate(np.identity(4, np.float32), 2, 0, 0)
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
# Floor
glBindVertexArray(self.planeVAO)
glBindTexture(GL_TEXTURE_2D, self.floorTexture)
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, np.identity(4, np.float32))
glDrawArrays(GL_TRIANGLES, 0, 6)
# Vergetation
glBindVertexArray(self.transparentVAO)
glBindTexture(GL_TEXTURE_2D, self.transparentTexture)
for i in self.vegetation:
model = glm.translate(np.identity(4, np.float32), i[0], i[1], i[2])
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 6)
glBindVertexArray(0)
def renderScene(self, shader):
# Floor
model = np.identity(4, np.float32)
glUniformMatrix4fv(glGetUniformLocation(shader, 'model'), 1, GL_FALSE, model)
glBindVertexArray(self.planeVAO)
glDrawArrays(GL_TRIANGLES, 0, 6)
glBindVertexArray(0)
# Cubes
model = glm.translate(model, 0.0, 1.5, 0.0)
glUniformMatrix4fv(glGetUniformLocation(shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
model = glm.translate(np.identity(4, np.float32), 2.0, 0.0, 1.0)
glUniformMatrix4fv(glGetUniformLocation(shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
model = glm.rotate(np.identity(4, np.float32), 60.0, 1.0, 0.0, 1.0)
model = glm.scale(model, 0.5, 0.5, 0.5)
model = glm.translate(model, -1.0, 0.0, 2.0)
glUniformMatrix4fv(glGetUniformLocation(shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
def paintGL(self):
currentTime = self.__timer.elapsed() / 1000.0
self.__deltaTime = currentTime - self.__lastTime
self.__lastTime = currentTime
# Render
# Clear the colorbuffer
glClearColor(0.1, 0.1, 0.1, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(self.__lightingShader)
objectColorLoc = glGetUniformLocation(self.__lightingShader, 'objectColor')
lightColorLoc = glGetUniformLocation(self.__lightingShader, 'lightColor')
lightPosLoc = glGetUniformLocation(self.__lightingShader, 'lightPos')
viewPosLoc = glGetUniformLocation(self.__lightingShader, 'viewPos')
glUniform3f(objectColorLoc, 1.0, 0.5, 0.31)
glUniform3f(lightColorLoc, 1.0, 0.5, 1.0)
glUniform3f(lightPosLoc, self.lightPos[0], self.lightPos[1], self.lightPos[2])
glUniform3f(viewPosLoc, self.camera.position[0], self.camera.position[1], self.camera.position[2])
view = self.camera.viewMatrix
projection = glm.perspective(self.camera.zoom, float(self.width()) / self.height(), 0.1, 100.0)
# get their uniform location
modelLoc = glGetUniformLocation(self.__lightingShader, 'model')
viewLoc = glGetUniformLocation(self.__lightingShader, 'view')
projLoc = glGetUniformLocation(self.__lightingShader, 'projection')
glUniformMatrix4fv(viewLoc, 1, GL_FALSE, view)
glUniformMatrix4fv(projLoc, 1, GL_FALSE, projection)
# Draw the container (using container's vertex attributes)
glBindVertexArray(self.__containerVAO)
model = np.identity(4, np.float32)
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
glBindVertexArray(0)
# Also draw the lamp object, again binding the appropriate shader
glUseProgram(self.__lampShader)
# Get location objects for the matrices on the lamp shader (these could be different on a different shader)
modelLoc = glGetUniformLocation(self.__lampShader, 'model')
viewLoc = glGetUniformLocation(self.__lampShader, 'view')
projLoc = glGetUniformLocation(self.__lampShader, 'projection')
# set matrices
glUniformMatrix4fv(viewLoc, 1, GL_FALSE, view)
glUniformMatrix4fv(projLoc, 1, GL_FALSE, projection)
model = np.identity(4, np.float32)
model = glm.scale(model, 0.2, 0.2, 0.2)
model = glm.translate(model, self.lightPos[0], self.lightPos[1], self.lightPos[2])
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, model)
# Draw the light object (using light's vertex attributes)
glBindVertexArray(self.__lightVAO)
glDrawArrays(GL_TRIANGLES, 0, 36)
glBindVertexArray(0)
def paintGL(self):
currentTime = self.__timer.elapsed() / 1000.0
self.__deltaTime = currentTime - self.__lastTime
self.__lastTime = currentTime
# Render
# Clear the colorbuffer
glClearColor(0.2, 0.3, 0.3, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(self.__shaderProgram)
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.texture1)
glUniform1i(glGetUniformLocation(self.__shaderProgram, 'ourTexture1'), 0)
glActiveTexture(GL_TEXTURE1)
glBindTexture(GL_TEXTURE_2D, self.texture2)
glUniform1i(glGetUniformLocation(self.__shaderProgram, 'ourTexture2'), 1)
view = self.camera.viewMatrix
view = glm.translate(view, 0.0, 0.0, -3.0)
projection = glm.perspective(self.camera.zoom, float(self.width()) / self.height(), 0.1, 1000.0)
# get their uniform location
modelLoc = glGetUniformLocation(self.__shaderProgram, 'model')
viewLoc = glGetUniformLocation(self.__shaderProgram, 'view')
projLoc = glGetUniformLocation(self.__shaderProgram, 'projection')
glUniformMatrix4fv(viewLoc, 1, GL_FALSE, view)
glUniformMatrix4fv(projLoc, 1, GL_FALSE, projection)
glBindVertexArray(self.__vao)
for i in self.__cubePositions:
# calculate the model matrix for each object and pass it to shader before drawing
angle = math.degrees(20.0 * self.__cubePositions.index(i))
model = glm.rotate(np.identity(4, np.float32), angle, 1.0, 0.3, 0.5)
model = glm.translate(model, i[0], i[1], i[2])
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
glBindVertexArray(0)
def paintGL(self):
currentTime = self.__timer.elapsed() / 1000.0
self.__deltaTime = currentTime - self.__lastTime
self.__lastTime = currentTime
# Render
# Clear the colorbuffer
glClearColor(0.1, 0.1, 0.1, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
view = self.camera.viewMatrix
glBindBuffer(GL_UNIFORM_BUFFER, self.uboMatrices)
glBufferSubData(GL_UNIFORM_BUFFER, self.identityMat4.nbytes, self.identityMat4.nbytes, view)
glBindBuffer(GL_UNIFORM_BUFFER, 0)
# Draw 4 cubes
# Red
glBindVertexArray(self.cubeVAO)
glUseProgram(self.__shaderRed)
model = glm.translate(np.identity(4, np.float32), -0.75, 0.75, 0.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shaderRed, 'model'), 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
# Green
glUseProgram(self.__shaderGreen)
model = glm.translate(np.identity(4, np.float32), 0.75, 0.75, 0.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shaderGreen, 'model'), 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
# Blue
glUseProgram(self.__shaderBlue)
model = glm.translate(np.identity(4, np.float32), -0.75, -0.75, 0.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shaderBlue, 'model'), 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
# Yellow
glUseProgram(self.__shaderYellow)
model = glm.translate(np.identity(4, np.float32), 0.75, -0.75, 0.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shaderYellow, 'model'), 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
glBindVertexArray(0)
def render_scene(time, cam1, view, projection):
glClearColor(.8, .12, 0.32, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# Create meshes
points1, normals1 = generate_height_map(nw=8, nl=8, width=4, length=4, t=1.5*time, zscale=0.6)
points3, indices3 = box()
vao1, vbo1, ebo1 = create_vertex_array2(coords=points1, colors=normals1)
vao_lamp, _, _ = create_vertex_array2(coords=points3, indices=indices3)
# Light source: lamp
light_color = glm.vec3(1, 1, 1)
light_position = glm.vec3(np.cos(time), 1., np.sin(time))
# Height map
glBindVertexArray(vao1)
glUseProgram(shader_basic_lighting)
model = glm.identity(4)
# model = glm.translate(glm.vec3(.0, 0.5, .0)) * model
model = model * glm.rotate(-np.pi/2, glm.vec3(1, 0, 0))
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "light_color"), 1, light_color)
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "light_pos"), 1, light_position)
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "object_color"), 1, glm.vec3(1, .5, .31))
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "view_pos"), 1, cam1.position)
glUniformMatrix4fv(glGetUniformLocation(shader_basic_lighting, "view"), 1, GL_TRUE, np.asarray(view))
glUniformMatrix4fv(glGetUniformLocation(shader_basic_lighting, "projection"), 1, GL_FALSE, np.asarray(projection))
glUniformMatrix4fv(glGetUniformLocation(shader_basic_lighting, "model"), 1, GL_TRUE, np.asarray(model))
glDrawArrays(GL_TRIANGLES, 0, len(points1))
glBindVertexArray(0)
# Lamp
glUseProgram(shader_solid)
glBindVertexArray(vao_lamp)
model = glm.translate(light_position)
model = model * glm.scale(glm.vec3(.2, .2, .2))
glUniform3fv(glGetUniformLocation(shader_solid, "solid_color"), 1, glm.vec3(1, 1, 1))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "view"), 1, GL_TRUE, np.asarray(view))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "projection"), 1, GL_FALSE, np.asarray(projection))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "model"), 1, GL_TRUE, np.asarray(model))
glDrawElements(GL_TRIANGLES, len(indices3), GL_UNSIGNED_INT, None)
glBindVertexArray(0)
def render_scene(time, cam1, view, projection):
glClearColor(.8, .12, 0.32, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# Create meshes
points3, indices3 = box()
vao_lamp = VAO(attributes=[points3], indices=indices3)
# Light source: lamp
light_color = glm.vec3(1, 1, 1)
light_position = glm.vec3(3*np.cos(time), 2., 3*np.sin(time))
# Height map
# glBindVertexArray(vao1)
vao1.bind()
glUseProgram(shader_flat_shading)
model = glm.identity(4)
# model = glm.translate(glm.vec3(.0, 0.5, .0)) * model
model = model * glm.rotate(-np.pi/2, glm.vec3(1, 0, 0))
glUniform1f(glGetUniformLocation(shader_flat_shading, "time"), time);
glUniform3fv(glGetUniformLocation(shader_flat_shading, "light_color"), 1, light_color)
glUniform3fv(glGetUniformLocation(shader_flat_shading, "light_pos"), 1, light_position)
glUniform3fv(glGetUniformLocation(shader_flat_shading, "object_color"), 1, glm.vec3(1, .5, .31))
glUniform3fv(glGetUniformLocation(shader_flat_shading, "view_pos"), 1, cam1.position)
glUniformMatrix4fv(glGetUniformLocation(shader_flat_shading, "view"), 1, GL_TRUE, np.asarray(view))
glUniformMatrix4fv(glGetUniformLocation(shader_flat_shading, "projection"), 1, GL_FALSE, np.asarray(projection))
glUniformMatrix4fv(glGetUniformLocation(shader_flat_shading, "model"), 1, GL_TRUE, np.asarray(model))
glDrawArrays(GL_TRIANGLES, 0, len(points1))
glBindVertexArray(0)
# Lamp
glUseProgram(shader_solid)
vao_lamp.bind()
model = glm.translate(light_position)
model = model * glm.scale(glm.vec3(.2, .2, .2))
glUniform3fv(glGetUniformLocation(shader_solid, "solid_color"), 1, glm.vec3(1, 1, 1))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "view"), 1, GL_TRUE, np.asarray(view))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "projection"), 1, GL_FALSE, np.asarray(projection))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "model"), 1, GL_TRUE, np.asarray(model))
glDrawElements(GL_TRIANGLES, len(indices3), GL_UNSIGNED_INT, None)
glBindVertexArray(0)
def paintGL(self):
currentTime = self.__timer.elapsed() / 1000.0
self.__deltaTime = currentTime - self.__lastTime
self.__lastTime = currentTime
# 1. Render scene into floating point framebuffer
glBindFramebuffer(GL_FRAMEBUFFER, self.hdrFBO)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
projection = glm.perspective(self.camera.zoom, float(self.width()) / self.height(), 0.1, 100.0)
view = self.camera.viewMatrix
glUseProgram(self.__shader)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, "projection"), 1, GL_FALSE, projection)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, "view"), 1, GL_FALSE, view)
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.woodTexture)
# set lighting uniforms
for i in range(len(self.lightPos)):
glUniform3fv(glGetUniformLocation(self.__shader, "lights[{}].Position".format(i)), 1, self.lightPos[i])
glUniform3fv(glGetUniformLocation(self.__shader, "lights[{}].Color".format(i)), 1, self.lightColors[i])
glUniform3fv(glGetUniformLocation(self.__shader, "viewPos"), 1, self.camera.position)
# render tunnel
model = glm.scale(np.identity(4, np.float32), 5.0, 5.0, 55.0)
model = glm.translate(model, 0.0, 0.0, 25.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, "model"), 1, GL_FALSE, model)
glUniform1i(glGetUniformLocation(self.__shader, "inverse_normals"), GL_TRUE)
self.renderCube()
glBindFramebuffer(GL_FRAMEBUFFER, 0)
# 2. Now render floating point color buffer to 2D quad and tonemap HDR colors to default framebuffer's (clamped) color range
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(self.__hdrShader)
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.colorBuffer)
glUniform1i(glGetUniformLocation(self.__hdrShader, "hdr"), self.hdr)
glUniform1f(glGetUniformLocation(self.__hdrShader, "exposure"), self.exposure)
self.renderQuad()
glUseProgram(0)
print "exposure: {}".format(self.exposure)
def paintGL(self):
currentTime = self.__timer.elapsed() / 1000.0
self.__deltaTime = currentTime - self.__lastTime
self.__lastTime = currentTime
# Render
# Clear the colorbuffer
glClearColor(0.1, 0.1, 0.1, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(self.__lightingShader)
lightPosLoc = glGetUniformLocation(self.__lightingShader, 'light.position')
lightSpotdirLoc = glGetUniformLocation(self.__lightingShader, 'light.direction')
lightSpotCutoffLoc = glGetUniformLocation(self.__lightingShader, 'light.cutOff')
lightSpotOuterCutoffLoc = glGetUniformLocation(self.__lightingShader, 'light.outerCutOff')
viewPosLoc = glGetUniformLocation(self.__lightingShader, 'viewPos')
glUniform3f(lightPosLoc, self.camera.position[0], self.camera.position[1], self.camera.position[2])
glUniform3f(lightSpotdirLoc, self.camera.front[0], self.camera.front[1], self.camera.front[2])
glUniform1f(lightSpotCutoffLoc, math.cos(math.radians(12.5)))
glUniform1f(lightSpotOuterCutoffLoc, math.cos(math.radians(17.5)))
glUniform3f(viewPosLoc, self.camera.position[0], self.camera.position[1], self.camera.position[2])
# set lights properties
glUniform3f(glGetUniformLocation(self.__lightingShader, 'light.ambient'),
0.1, 0.1, 0.1)
glUniform3f(glGetUniformLocation(self.__lightingShader, 'light.diffuse'),
0.8, 0.8, 0.8)
glUniform3f(glGetUniformLocation(self.__lightingShader, 'light.specular'),
1.0, 1.0, 1.0)
glUniform1f(glGetUniformLocation(self.__lightingShader, 'light.constant'), 1.0)
glUniform1f(glGetUniformLocation(self.__lightingShader, 'light.linear'), 0.09)
glUniform1f(glGetUniformLocation(self.__lightingShader, 'light.quadratic'), 0.032)
# set material properties
glUniform1f(glGetUniformLocation(self.__lightingShader, 'material.shininess'), 32.0)
view = self.camera.viewMatrix
projection = glm.perspective(self.camera.zoom, float(self.width()) / self.height(), 0.1, 100.0)
# get their uniform location
modelLoc = glGetUniformLocation(self.__lightingShader, 'model')
viewLoc = glGetUniformLocation(self.__lightingShader, 'view')
projLoc = glGetUniformLocation(self.__lightingShader, 'projection')
glUniformMatrix4fv(viewLoc, 1, GL_FALSE, view)
glUniformMatrix4fv(projLoc, 1, GL_FALSE, projection)
# bind diffuse map
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.diffuseMap)
# bind specular map
glActiveTexture(GL_TEXTURE1)
glBindTexture(GL_TEXTURE_2D, self.specularMap)
## Draw the container (using container's vertex attributes)
#glBindVertexArray(self.__containerVAO)
#model = np.identity(4, np.float32)
#glUniformMatrix4fv(modelLoc, 1, GL_FALSE, model)
#glDrawArrays(GL_TRIANGLES, 0, 36)
#glBindVertexArray(0)
glBindVertexArray(self.__containerVAO)
for i in self.__cubePositions:
# calculate the model matrix for each object and pass it to shader before drawing
angle = math.degrees(20.0 * self.__cubePositions.index(i))
model = glm.rotate(np.identity(4, np.float32), angle, 1.0, 0.3, 0.5)
model = glm.translate(model, i[0], i[1], i[2])
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
glBindVertexArray(0)
def renderGL(self):
"""opengl render method"""
# get the time in seconds
t = glfwGetTime()
# use the transform shader program
glUseProgram(self.__tshaderProgram)
# set the uniforms
glUniform3fv(self.__centerLocation, 3, self.__center)
glUniform1fv(self.__radiusLocation, 3, self.__radius)
glUniform3fv(self.__gLocation, 1, self.__g)
glUniform1f(self.__dtLocation, self.__dt)
glUniform1f(self.__bounceLocation, self.__bounce)
glUniform1i(self.__seedLocation, randint(0, 0x7fff))
# bind the current vao
glBindVertexArray(self.__vao[(self.__currentBuffer + 1) % self.__bufferCount])
# bind transform feedback target
glBindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, 0, self.__vbo[self.__currentBuffer])
glEnable(GL_RASTERIZER_DISCARD)
# perform transform feedback
glBeginTransformFeedback(GL_POINTS)
glDrawArrays(GL_POINTS, 0, self.__particles)
glEndTransformFeedback()
glDisable(GL_RASTERIZER_DISCARD)
# clear first
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# use the shader program
glUseProgram(self.__shaderProgram)
# calculate ViewProjection matrix
projection = glm.perspective(90.0, 4.0 / 3.0, .1, 100.0)
projection = np.array(projection, dtype=np.float32)
# translate the world/view position
view = glm.translate(glm.mat4(1.0), glm.vec3(0.0, 0.0, -30.0))
# make the camera rotate around the origin
view = glm.rotate(view, 30.0, glm.vec3(1.0, 0.0, 0.0))
view = glm.rotate(view, -22.5 * t, glm.vec3(0.0, 1.0, 0.0))
view = np.array(view, dtype=np.float32)
# set the uniform
glUniformMatrix4fv(self.__viewLocation, 1, GL_FALSE, view)
glUniformMatrix4fv(self.__projLocation, 1, GL_FALSE, projection)
# bind the vao
glBindVertexArray(self.__vao[self.__currentBuffer])
# draw
glDrawArrays(GL_POINTS, 0, self.__particles)
glBindVertexArray(0)
glUseProgram(0)
# advance buffer index
self.__currentBuffer = (self.__currentBuffer + 1) % self.__bufferCount
w, h = glfwGetFramebufferSize(window)
glViewport(0, 0, w, h)
# glDepthRange(-10, 10)
glEnable(GL_DEPTH_TEST) # draw only if the shape is closer to the viewer
glDepthFunc(GL_LESS) # smaller means closer
# glPolygonMode(GL_FRONT_AND_BACK, GL_LINE) # Wireframe
while not glfwWindowShouldClose(window):
time = glfwGetTime()
glClearColor(0.6, 0.6, 0.8, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# glClear(GL_COLOR_BUFFER_BIT)
glUseProgram(shader1)
view = glm.identity(4)
view = glm.translate(glm.vec3(0, 0, -2))
view = view * glm.rotate(time, glm.vec3(0, 1, 0)) #
glUniformMatrix4fv(glGetUniformLocation(shader1, "view"), 1, GL_TRUE, np.asarray(view))
glUniformMatrix4fv(glGetUniformLocation(shader1, "projection"), 1, GL_FALSE, np.asarray(projection))
glBindVertexArray(vao2)
model = glm.identity(4)
# model = glm.translate(glm.vec3(.0, 0, .0))
# model = model * glm.rotate(1.0 * np.pi * time, glm.vec3(1, 1, 0.2))
glUniformMatrix4fv(glGetUniformLocation(shader1, "model"), 1, GL_TRUE, np.asarray(model))
# (uniform location, num matrices, transpose?, matrix)
# In numpy matrices (2D arrays) are expressed row by row whereas
# in OpenGL they are column by column. Hence true is given
# as the 3rd argument to transpose the matrix.
def paintGL(self):
currentTime = self.__timer.elapsed() / 1000.0
self.__deltaTime = currentTime - self.__lastTime
self.__lastTime = currentTime
# 1. Render scene into floating point framebuffer
glBindFramebuffer(GL_FRAMEBUFFER, self.bloomFBO)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
projection = glm.perspective(self.camera.zoom, float(self.width())/self.height(), 0.1, 100.0)
view = self.camera.viewMatrix
glUseProgram(self.__shader)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'projection'), 1, GL_FALSE, projection)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'view'), 1, GL_FALSE, view)
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.woodTexture)
# set lighting uniforms
for i in range(len(self.lightPos)):
glUniform3fv(glGetUniformLocation(self.__shader, 'lights[{}].Position'.format(i)), 1, self.lightPos[i])
glUniform3fv(glGetUniformLocation(self.__shader, 'lights[{}].Color'.format(i)), 1, self.lightColors[i])
glUniform3fv(glGetUniformLocation(self.__shader, 'viewPos'), 1, self.camera.position)
# create one large cube that acts as the floor
model = glm.scale(np.identity(4, np.float32), 25.0, 1.0, 25.0)
model = glm.translate(model, 0.0, -1.0, 0.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
# then create multiple cubes as the scenery
glBindTexture(GL_TEXTURE_2D, self.containerTexture)
model = glm.translate(np.identity(4, np.float32), 0.0, 1.5, 0.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
model = glm.translate(np.identity(4, np.float32), 2.0, 0.0, 1.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
model = glm.rotate(np.identity(4, np.float32), 60.0, 1.0, 0.0, 1.0)
model = glm.scale(model, 2.0, 2.0, 2.0)
model = glm.translate(model, -1.0, -1.0, 2.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
model = glm.rotate(np.identity(4, np.float32), 23.0, 1.0, 0.0, 1.0)
model = glm.scale(model, 2.5, 2.5, 2.5)
model = glm.translate(model, 0.0, 2.7, 4.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
model = glm.rotate(np.identity(4, np.float32), 124.0, 1.0, 0.0, 1.0)
model = glm.scale(model, 2.0, 2.0, 2.0)
model = glm.translate(model, -2.0, 1.0, -3.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
self.renderCube()
model = glm.translate(np.identity(4, np.float32), -3.0, 0.0, 0.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
# finally show all the light sources as bright cubes
glUseProgram(self.__lightShader)
glUniformMatrix4fv(glGetUniformLocation(self.__lightShader, 'projection'), 1, GL_FALSE, projection)
glUniformMatrix4fv(glGetUniformLocation(self.__lightShader, 'view'), 1, GL_FALSE, view)
for i in range(len(self.lightPos)):
model = glm.scale(np.identity(4, np.float32), 0.5, 0.5, 0.5)
model = glm.translate(model, self.lightPos[i][0], self.lightPos[i][1], self.lightPos[i][2])
glUniformMatrix4fv(glGetUniformLocation(self.__lightShader, 'model'), 1, GL_FALSE, self.lightPos[i])
glUniform3fv(glGetUniformLocation(self.__lightShader, 'lightColor'), 1, self.lightColors[i])
self.renderCube()
glBindFramebuffer(GL_FRAMEBUFFER, 0)
# 2. Blur bright fragments w/ two-pass Gaussian Blur
horizontal = True
first_iteration = True
amount = 10
glUseProgram(self.__blurShader)
for i in range(amount):
glBindFramebuffer(GL_FRAMEBUFFER, self.pingpongFBO[int(horizontal)])
glUniform1i(glGetUniformLocation(self.__blurShader, 'horizontal'), horizontal)
glBindTexture(GL_TEXTURE_2D, self.colorBuffers[1] if first_iteration else self.pingpongColorbuffers[int(not horizontal)])
self.renderQuad()
horizontal = not horizontal
if first_iteration: first_iteration = False
glBindFramebuffer(GL_FRAMEBUFFER, 0)
# 2. Now render floating point color buffer to 2D quad and tonemap HDR colors to default framebuffer's (clamped) color range
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(self.__bloomFinalShader)
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.colorBuffers[0])
# glBindTexture(GL_TEXTURE_2D, self.pingpongColorbuffers[int(not horizontal)])
glActiveTexture(GL_TEXTURE1)
glBindTexture(GL_TEXTURE_2D, self.pingpongColorbuffers[int(not horizontal)])
glUniform1i(glGetUniformLocation(self.__bloomFinalShader, 'bloom'), self.bloom)
glUniform1f(glGetUniformLocation(self.__bloomFinalShader, 'exposure'), self.exposure)
self.renderQuad()
glUseProgram(0)
print 'exposure: {}'.format(self.exposure)
glUniformMatrix4fv(glGetUniformLocation(shader1, "projection"), 1, GL_FALSE, np.asarray(projection))
glUniform3fv(glGetUniformLocation(shader1, "solid_color"), 1, glm.vec3(0, 0, 1))
glBindVertexArray(vao1)
model = glm.identity(4)
model = glm.rotate(np.pi*0.5, glm.vec3(1, 0, 0)) * model
glUniformMatrix4fv(glGetUniformLocation(shader1, "model"), 1, GL_TRUE, np.asarray(model))
glDrawElements(GL_TRIANGLES, len(indices2), GL_UNSIGNED_INT, None)
glBindVertexArray(0)
# Big Cube
glUseProgram(shader2)
glBindVertexArray(vao2)
glUniformMatrix4fv(glGetUniformLocation(shader2, "view"), 1, GL_TRUE, np.asarray(view))
glUniformMatrix4fv(glGetUniformLocation(shader2, "projection"), 1, GL_FALSE, np.asarray(projection))
model = glm.identity(4)
model = glm.translate(glm.vec3(.0, 0.5, .0)) * model
# model = model * glm.rotate(1.0 * np.pi * time, glm.vec3(1, 1, 0.2))
glUniformMatrix4fv(glGetUniformLocation(shader2, "model"), 1, GL_TRUE, np.asarray(model))
glDrawElements(GL_TRIANGLES, len(indices2), GL_UNSIGNED_INT, None)
glBindVertexArray(0)
# Small cube
glBindVertexArray(vao2)
model = glm.identity(4)
model = model * glm.translate(glm.vec3(.75, .95, 0))
model = model * glm.rotate(3.0 * np.pi * time, glm.vec3(1, -.2, 0.8))
model = model * glm.scale(glm.vec3(.1, .1, 0.2))
transformLoc = glGetUniformLocation(shader2, "model")
glUniformMatrix4fv(transformLoc, 1, GL_TRUE, np.array(model))
glDrawElements(GL_TRIANGLES, len(indices2), GL_UNSIGNED_INT, None)
glBindVertexArray(0)
def paintGL(self):
currentTime = self.__timer.elapsed() / 1000.0
self.__deltaTime = currentTime - self.__lastTime
self.__lastTime = currentTime
# Render
# Clear the colorbuffer
glClearColor(0.1, 0.1, 0.1, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(self.__lightingShader)
viewPosLoc = glGetUniformLocation(self.__lightingShader, 'viewPos')
glUniform3f(viewPosLoc, self.camera.position[0], self.camera.position[1], self.camera.position[2])
# set material properties
glUniform1f(glGetUniformLocation(self.__lightingShader, 'material.shininess'), 32.0)
# Directional light
glUniform3f(glGetUniformLocation(self.__lightingShader, "dirLight.direction"), -0.2, -1.0, -0.3)
glUniform3f(glGetUniformLocation(self.__lightingShader, "dirLight.ambient"), 0.05, 0.05, 0.05)
glUniform3f(glGetUniformLocation(self.__lightingShader, "dirLight.diffuse"), 0.4, 0.4, 0.4)
glUniform3f(glGetUniformLocation(self.__lightingShader, "dirLight.specular"), 0.5, 0.5, 0.5)
# point lights
for i in self.__pointLightPositions:
index = self.__pointLightPositions.index(i)
glUniform3f(glGetUniformLocation(self.__lightingShader, "pointLights[{}].position".format(index)), i[0], i[0], i[0])
glUniform3f(glGetUniformLocation(self.__lightingShader, "pointLights[{}].ambient".format(index)), 0.05, 0.05, 0.05)
glUniform3f(glGetUniformLocation(self.__lightingShader, "pointLights[{}].diffuse".format(index)), 0.8, 0.8, 0.8)
glUniform3f(glGetUniformLocation(self.__lightingShader, "pointLights[{}].specular".format(index)), 1.0, 1.0, 1.0)
glUniform1f(glGetUniformLocation(self.__lightingShader, "pointLights[{}].constant".format(index)), 1.0)
glUniform1f(glGetUniformLocation(self.__lightingShader, "pointLights[{}].linear".format(index)), 0.09)
glUniform1f(glGetUniformLocation(self.__lightingShader, "pointLights[{}].quadratic".format(index)), 0.032)
# spotlight
glUniform3f(glGetUniformLocation(self.__lightingShader, "spotLight.position"),
self.camera.position[0], self.camera.position[1], self.camera.position[2])
glUniform3f(glGetUniformLocation(self.__lightingShader, "spotLight.direction"),
self.camera.front[0], self.camera.front[1], self.camera.front[2])
glUniform3f(glGetUniformLocation(self.__lightingShader, "spotLight.ambient"), 0.0, 0.0, 0.0)
glUniform3f(glGetUniformLocation(self.__lightingShader, "spotLight.diffuse"), 1.0, 1.0, 1.0)
glUniform3f(glGetUniformLocation(self.__lightingShader, "spotLight.specular"), 1.0, 1.0, 1.0)
glUniform1f(glGetUniformLocation(self.__lightingShader, "spotLight.constant"), 1.0)
glUniform1f(glGetUniformLocation(self.__lightingShader, "spotLight.linear"), 0.09);
glUniform1f(glGetUniformLocation(self.__lightingShader, "spotLight.quadratic"), 0.032)
glUniform1f(glGetUniformLocation(self.__lightingShader, "spotLight.cutOff"), math.cos(math.radians(12.5)))
glUniform1f(glGetUniformLocation(self.__lightingShader, "spotLight.outerCutOff"), math.cos(math.radians(15.0)))
view = self.camera.viewMatrix
projection = glm.perspective(self.camera.zoom, float(self.width()) / self.height(), 0.1, 100.0)
# get their uniform location
modelLoc = glGetUniformLocation(self.__lightingShader, 'model')
viewLoc = glGetUniformLocation(self.__lightingShader, 'view')
projLoc = glGetUniformLocation(self.__lightingShader, 'projection')
glUniformMatrix4fv(viewLoc, 1, GL_FALSE, view)
glUniformMatrix4fv(projLoc, 1, GL_FALSE, projection)
# bind diffuse map
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.diffuseMap)
# bind specular map
glActiveTexture(GL_TEXTURE1)
glBindTexture(GL_TEXTURE_2D, self.specularMap)
glBindVertexArray(self.__containerVAO)
for i in self.__cubePositions:
# calculate the model matrix for each object and pass it to shader before drawing
angle = math.degrees(20.0 * self.__cubePositions.index(i))
model = glm.rotate(np.identity(4, np.float32), angle, 1.0, 0.3, 0.5)
model = glm.translate(model, i[0], i[1], i[2])
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
glBindVertexArray(0)
# Also draw the lamp object, again binding the appropriate shader
glUseProgram(self.__lampShader)
# Get location objects for the matrices on the lamp shader (these could be different on a different shader)
modelLoc = glGetUniformLocation(self.__lampShader, 'model')
viewLoc = glGetUniformLocation(self.__lampShader, 'view')
projLoc = glGetUniformLocation(self.__lampShader, 'projection')
glUniformMatrix4fv(viewLoc, 1, GL_FALSE, view)
glUniformMatrix4fv(projLoc, 1, GL_FALSE, projection)
glBindVertexArray(self.__lightVAO)
for i in self.__pointLightPositions:
model = glm.scale(np.identity(4, np.float32), 0.2, 0.2, 0.2)
model = glm.translate(model, i[0], i[1], i[2])
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
glBindVertexArray(0)
def paintGL(self):
currentTime = self.__timer.elapsed() / 1000.0
self.__deltaTime = currentTime - self.__lastTime
self.__lastTime = currentTime
# 1. Geometry Pass: render scene's geometry/color data into gbuffer
glBindFramebuffer(GL_FRAMEBUFFER, self.gbuffer)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
projection = glm.perspective(self.camera.zoom, float(self.width()) / self.height(), 0.1, 50.0)
view = self.camera.viewMatrix
glUseProgram(self.__geometyPassShader)
glUniformMatrix4fv(glGetUniformLocation(self.__geometyPassShader, 'projection'), 1, GL_FALSE, projection)
glUniformMatrix4fv(glGetUniformLocation(self.__geometyPassShader, 'view'), 1, GL_FALSE, view)
# Floor cube
model = glm.scale(np.identity(4, np.float32), 20.0, 1.0, 28.0)
model = glm.translate(model, 0.0, -1.0, 0.0)
glUniformMatrix4fv(glGetUniformLocation(self.__geometyPassShader, 'model'), 1, GL_FALSE, model)
self.renderCube()
# Nanosuit model on the floor
model = glm.scale(np.identity(4, np.float32), 0.5, 0.5, 0.5)
model = glm.rotate(model, -90.0, 1.0, 0.0, 0.0)
model = glm.translate(model, 0.0, 0.0, 5.0)
glUniformMatrix4fv(glGetUniformLocation(self.__geometyPassShader, 'model'), 1, GL_FALSE, model)
self.cyborg.draw(self.__geometyPassShader)
glBindFramebuffer(GL_FRAMEBUFFER, 0)
# 2. Create SSAO texture
glBindFramebuffer(GL_FRAMEBUFFER, self.ssaoFBO)
glClear(GL_COLOR_BUFFER_BIT)
glUseProgram(self.__ssaoShader)
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.gPositionDepth)
glActiveTexture(GL_TEXTURE1)
glBindTexture(GL_TEXTURE_2D, self.gNormal)
glActiveTexture(GL_TEXTURE2)
glBindTexture(GL_TEXTURE_2D, self.noiseTexture)
# send kernel + rotation
[glUniform3fv(glGetUniformLocation(self.__ssaoShader, 'samples[{}]'.format(i)), 1, self.ssaoKernel[i]) for i in range(64)]
glUniformMatrix4fv(glGetUniformLocation(self.__ssaoShader, 'projection'), 1, GL_FALSE, projection)
self.renderQuad()
glBindFramebuffer(GL_FRAMEBUFFER, 0)
# 3. Blur SSAO texture to remove noise
glBindFramebuffer(GL_FRAMEBUFFER, self.ssaoBlurFBO)
glClear(GL_COLOR_BUFFER_BIT)
glUseProgram(self.__ssaoBlurShader)
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.ssaoColorBuffer)
self.renderQuad()
glBindFramebuffer(GL_FRAMEBUFFER, 0)
# 4. Lighting Pass: calculate lighting by iterating over a screen filled quad pixel-by-pixel using the gbuffer's content.
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(self.__lightingPassShader)
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.gPositionDepth)
glActiveTexture(GL_TEXTURE1)
glBindTexture(GL_TEXTURE_2D, self.gNormal)
glActiveTexture(GL_TEXTURE2)
glBindTexture(GL_TEXTURE_2D, self.gAlbedo)
glActiveTexture(GL_TEXTURE3) # add extra SSAO texture to lighting pass
glBindTexture(GL_TEXTURE_2D, self.ssaoColorBufferBlur)
# also send light relevent uniforms
lightPosView = (self.camera.viewMatrix * np.array([self.lightPos[0], self.lightPos[1], self.lightPos[2], 1.0], np.float32))[3, :4]
glUniform3fv(glGetUniformLocation(self.__lightingPassShader, 'light.Position'), 1, lightPosView)
glUniform3fv(glGetUniformLocation(self.__lightingPassShader, 'light.Color'), 1, self.lightColor)
# Update attenuation parameters and calculate radius
_constant = 1.0 # Note that we don't send this to the shader, we assume it is always 1.0 (in our case)
linear = 0.09
quadratic = 0.032
glUniform1f(glGetUniformLocation(self.__lightingPassShader, 'light.Linear'), linear)
glUniform1f(glGetUniformLocation(self.__lightingPassShader, 'light.Quadratic'), quadratic)
glUniform1i(glGetUniformLocation(self.__lightingPassShader, 'draw_mode'), self.draw_mode)
self.renderQuad()
glUseProgram(0)
def paintGL(self):
currentTime = self.__timer.elapsed() / 1000.0
self.__deltaTime = currentTime - self.__lastTime
self.__lastTime = currentTime
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE if self.wireframe else GL_FILL)
# 1. Geometry Pass: render scene's geometry/color data into gbuffer
glBindFramebuffer(GL_FRAMEBUFFER, self.gbuffer)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
projection = glm.perspective(self.camera.zoom, float(self.width()) / self.height(), 0.1, 100.0)
view = self.camera.viewMatrix
glUseProgram(self.__geometyPassShader)
glUniformMatrix4fv(glGetUniformLocation(self.__geometyPassShader, 'projection'), 1, GL_FALSE, projection)
glUniformMatrix4fv(glGetUniformLocation(self.__geometyPassShader, 'view'), 1, GL_FALSE, view)
for pos in self.objectPosition:
model = glm.scale(np.identity(4, np.float32), 0.25, 0.25, 0.25)
model = glm.translate(model, pos[0], pos[1], pos[2])
glUniformMatrix4fv(glGetUniformLocation(self.__geometyPassShader, 'model'), 1, GL_FALSE, model)
self.cyborg.draw(self.__geometyPassShader)
glBindFramebuffer(GL_FRAMEBUFFER, 0)
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL)
# 2. Lighting Pass: calculate lighting by iterating over a screen filled quad pixel-by-pixel using the gbuffer's content.
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(self.__lightingPassShader)
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.gPosition)
glActiveTexture(GL_TEXTURE1)
glBindTexture(GL_TEXTURE_2D, self.gNormal)
glActiveTexture(GL_TEXTURE2)
glBindTexture(GL_TEXTURE_2D, self.gAlbedoSpec)
# also send light relevent uniforms
for i in range(len(self.lightPos)):
glUniform3fv(glGetUniformLocation(self.__lightingPassShader, 'lights[{}].Position'.format(i)), 1, self.lightPos[i])
glUniform3fv(glGetUniformLocation(self.__lightingPassShader, 'lights[{}].Color'.format(i)), 1, self.lightColors[i])
# Update attenuation parameters and calculate radius
_constant = 1.0 # Note that we don't send this to the shader, we assume it is always 1.0 (in our case)
linear = 0.7
quadratic = 1.8
glUniform1f(glGetUniformLocation(self.__lightingPassShader, 'lights[{}].Linear'.format(i)), linear)
glUniform1f(glGetUniformLocation(self.__lightingPassShader, 'lights[{}].Quadratic'.format(i)), quadratic)
# Then calculate radius of light volume/sphere
lightThreshold = 5.0 # 5 # 256
maxBrightness = max(max(self.lightColors[i][0], self.lightColors[i][1]), self.lightColors[i][2])
radius = (-linear + math.sqrt(linear * linear - 4 * quadratic * (_constant - (256.0 / lightThreshold) * maxBrightness))) / (2 * quadratic)
glUniform1f(glGetUniformLocation(self.__lightingPassShader, 'lights[{}].Radius'.format(i)), radius)
glUniform3fv(glGetUniformLocation(self.__lightingPassShader, 'viewPos'), 1, self.camera.position)
glUniform1i(glGetUniformLocation(self.__lightingPassShader, 'draw_mode'), self.draw_mode)
self.renderQuad()
# 2.5. Copy content of geometry's depth buffer to default framebuffer's depth buffer
glBindFramebuffer(GL_READ_FRAMEBUFFER, self.gbuffer)
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0) # write to default framebuffer
glBlitFramebuffer(0, 0, self.width(), self.height(), 0, 0, self.width(), self.height(), GL_DEPTH_BUFFER_BIT, GL_NEAREST)
glBindFramebuffer(GL_FRAMEBUFFER, 0)
# 3. Render lights on top of scene, by blitting
glUseProgram(self.__lightBoxShader)
glUniformMatrix4fv(glGetUniformLocation(self.__lightBoxShader, 'projection'), 1, GL_FALSE, projection)
glUniformMatrix4fv(glGetUniformLocation(self.__lightBoxShader, 'view'), 1, GL_FALSE, view)
for i in range(len(self.lightPos)):
model = glm.scale(np.identity(4, np.float32), 0.25, 0.25, 0.25)
model = glm.translate(model, self.lightPos[i][0], self.lightPos[i][1], self.lightPos[i][2])
glUniformMatrix4fv(glGetUniformLocation(self.__lightBoxShader, 'model'), 1, GL_FALSE, model)
glUniform3fv(glGetUniformLocation(self.__lightBoxShader, 'lightColor'), 1, self.lightColors[i])
self.renderCube()
glUseProgram(0)
def initGL(self):
"""opengl initialization"""
# load shaders
vertexShader = self.shaderFromFile(GL_VERTEX_SHADER, self.__vertexShader)
fragmentShader = self.shaderFromFile(GL_FRAGMENT_SHADER, self.__fragmentShader)
self.__shaderProgram = shaders.compileProgram(vertexShader, fragmentShader)
if not self.__shaderProgram:
self.close()
self.__ubIndex = glGetUniformBlockIndex(self.__shaderProgram, 'Matrices')
# assign the block binding
glUniformBlockBinding(self.__shaderProgram, self.__ubIndex, self.__matricesBinding)
# create uniform buffer
self.__ubo = glGenBuffers(1)
glBindBuffer(GL_UNIFORM_BUFFER, self.__ubo)
glBufferData(GL_UNIFORM_BUFFER, 9 * 4 * 4 * 4, None, GL_DYNAMIC_DRAW)
# fill the Model matrix array
modelMatrices = []
modelMatrices.append(glm.translate(glm.mat4(1.0), glm.vec3( 2.0, 2.0, 2.0)))
modelMatrices.append(glm.translate(glm.mat4(1.0), glm.vec3( 2.0, 2.0, -2.0)))
modelMatrices.append(glm.translate(glm.mat4(1.0), glm.vec3( 2.0, -2.0, 2.0)))
modelMatrices.append(glm.translate(glm.mat4(1.0), glm.vec3( 2.0, -2.0, -2.0)))
modelMatrices.append(glm.translate(glm.mat4(1.0), glm.vec3(-2.0, 2.0, 2.0)))
modelMatrices.append(glm.translate(glm.mat4(1.0), glm.vec3(-2.0, 2.0, -2.0)))
modelMatrices.append(glm.translate(glm.mat4(1.0), glm.vec3(-2.0, -2.0, 2.0)))
modelMatrices.append(glm.translate(glm.mat4(1.0), glm.vec3(-2.0, -2.0, -2.0)))
modelMatrices = np.array(modelMatrices, dtype=np.float32)
glBufferSubData(GL_UNIFORM_BUFFER, 4 * 4 * 4, modelMatrices.nbytes, modelMatrices)
# generate and bind the vao
self.__vao = glGenVertexArrays(1)
glBindVertexArray(self.__vao)
# generate and bind the buffer object
vbo = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, vbo)
# data for a fullscreen quad
vertexData = np.array([
# x y z U V
# face 0:
1.0, 1.0, 1.0, 1.0, 0.0, 0.0, # vertex 0
-1.0, 1.0, 1.0, 1.0, 0.0, 0.0, # vertex 1
1.0,-1.0, 1.0, 1.0, 0.0, 0.0, # vertex 2
-1.0,-1.0, 1.0, 1.0, 0.0, 0.0, # vertex 3
# face 1:
1.0, 1.0, 1.0, 0.0, 1.0, 0.0, # vertex 0
1.0,-1.0, 1.0, 0.0, 1.0, 0.0, # vertex 1
1.0, 1.0,-1.0, 0.0, 1.0, 0.0, # vertex 2
1.0,-1.0,-1.0, 0.0, 1.0, 0.0, # vertex 3
# face 2:
1.0, 1.0, 1.0, 0.0, 0.0, 1.0, # vertex 0
1.0, 1.0,-1.0, 0.0, 0.0, 1.0, # vertex 1
-1.0, 1.0, 1.0, 0.0, 0.0, 1.0, # vertex 2
-1.0, 1.0,-1.0, 0.0, 0.0, 1.0, # vertex 3
# face 3:
1.0, 1.0,-1.0, 1.0, 1.0, 0.0, # vertex 0
1.0,-1.0,-1.0, 1.0, 1.0, 0.0, # vertex 1
-1.0, 1.0,-1.0, 1.0, 1.0, 0.0, # vertex 2
-1.0,-1.0,-1.0, 1.0, 1.0, 0.0, # vertex 3
# face 4:
-1.0, 1.0, 1.0, 0.0, 1.0, 1.0, # vertex 0
-1.0, 1.0,-1.0, 0.0, 1.0, 1.0, # vertex 1
-1.0,-1.0, 1.0, 0.0, 1.0, 1.0, # vertex 2
-1.0,-1.0,-1.0, 0.0, 1.0, 1.0, # vertex 3
# face 5:
1.0,-1.0, 1.0, 1.0, 0.0, 1.0, # vertex 0
-1.0,-1.0, 1.0, 1.0, 0.0, 1.0, # vertex 1
1.0,-1.0,-1.0, 1.0, 0.0, 1.0, # vertex 2
-1.0,-1.0,-1.0, 1.0, 0.0, 1.0, # vertex 3
], dtype=np.float32)
# fill with data
glBufferData(GL_ARRAY_BUFFER, vertexData.nbytes, vertexData, GL_STATIC_DRAW)
# set up generic attrib pointers
glEnableVertexAttribArray(0)
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6 * 4, None)
glEnableVertexAttribArray(1)
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 6 * 4, ctypes.c_void_p(3 * 4))
ibo = glGenBuffers(1)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibo)
indexData = np.array([
# face 0:
0, 1, 2, # first triangle
2, 1, 3, # second triangle
# face 1:
4, 5, 6, # first triangle
6, 5, 7, # second triangle
# face 2:
8, 9, 10, # first triangle
10, 9, 11, # second triangle
# face 3:
12, 13, 14, # first triangle
14, 13, 15, # second triangle
# face 4:
16, 17, 18, # first triangle
18, 17, 19, # second triangle
# face 5:
20, 21, 22, # first triangle
22, 21, 23, # second triangle
], dtype=np.uint)
# fill with data
glBufferData(GL_ELEMENT_ARRAY_BUFFER, indexData.nbytes, indexData, GL_STATIC_DRAW)
glBindVertexArray(0)
# we are drawing 3d objects so we want depth testing
glEnable(GL_DEPTH_TEST)
def paintGL(self):
currentTime = self.__timer.elapsed() / 1000.0
self.__deltaTime = currentTime - self.__lastTime
self.__lastTime = currentTime
# Render
# Clear the colorbuffer
glClearColor(0.1, 0.1, 0.1, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT)
glUseProgram(self.__singleColorProgram)
view = self.camera.viewMatrix
projection = glm.perspective(self.camera.zoom, float(self.width()) / self.height(), 0.1, 100.0)
# get their uniform location
modelLoc = glGetUniformLocation(self.__shaderProgram, 'model')
glUniformMatrix4fv(glGetUniformLocation(self.__singleColorProgram, 'view'), 1, GL_FALSE, view)
glUniformMatrix4fv(glGetUniformLocation(self.__singleColorProgram, 'projection'), 1, GL_FALSE, projection)
glUseProgram(self.__shaderProgram)
glUniformMatrix4fv(glGetUniformLocation(self.__shaderProgram, 'view'), 1, GL_FALSE, view)
glUniformMatrix4fv(glGetUniformLocation(self.__shaderProgram, 'projection'), 1, GL_FALSE, projection)
# Draw floor as normal, we only care about the containers. The floor should NOT fill the stencil buffer so we set its mask to 0x00
glStencilMask(0x00)
# Floor
glBindVertexArray(self.planeVAO)
glBindTexture(GL_TEXTURE_2D, self.floorTexture)
glUniformMatrix4fv(glGetUniformLocation(self.__shaderProgram, 'model'), 1, GL_FALSE, np.identity(4, np.float32))
glDrawArrays(GL_TRIANGLES, 0, 6)
glBindVertexArray(0)
# 1st. Render pass, draw objects as normal, filling the stencil buffer
glStencilFunc(GL_ALWAYS, 1, 0xFF)
glStencilMask(0xFF)
# Cubes
glBindVertexArray(self.cubeVAO)
glBindTexture(GL_TEXTURE_2D, self.cubeTexture)
model = glm.translate(np.identity(4, np.float32), -1, 0, -1)
glUniformMatrix4fv(glGetUniformLocation(self.__shaderProgram, 'model'), 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
model = glm.translate(np.identity(4, np.float32), 2, 0, 0)
glUniformMatrix4fv(glGetUniformLocation(self.__shaderProgram, 'model'), 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
glBindVertexArray(0)
# 2nd. Render pass, now draw slightly scaled versions of the objects, this time disabling stencil writing.
# Because stencil buffer is now filled with several 1s. The parts of the buffer that are 1 are now not drawn, thus only drawing
# the objects' size differences, making it look like borders.
glStencilFunc(GL_NOTEQUAL, 1, 0xFF)
glStencilMask(0x00)
glDisable(GL_DEPTH_TEST)
glUseProgram(self.__singleColorProgram)
scale = 1.1
# Cubes
glBindVertexArray(self.cubeVAO)
glBindTexture(GL_TEXTURE_2D, self.cubeTexture)
model = glm.scale(np.identity(4, np.float32), scale, scale, scale)
model = glm.translate(model, -1, 0, -1)
glUniformMatrix4fv(glGetUniformLocation(self.__singleColorProgram, 'model'), 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
model = glm.scale(np.identity(4, np.float32), scale, scale, scale)
model = glm.translate(model, 2, 0, 0)
glUniformMatrix4fv(glGetUniformLocation(self.__singleColorProgram, 'model'), 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
glBindVertexArray(0)
glStencilMask(0xFF)
glEnable(GL_DEPTH_TEST)
