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 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 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 draw_centered(self, width: float, height: float, tex_width: float, tex_height: float):
#print("quaddraw_centered", width, height, tex_width, tex_height)
if height < width:
proj = glm.scale(glm.mat4(1), glm.vec3(height/width, 1, 1))
else:
proj = glm.scale(glm.mat4(1), glm.vec3(1, width/height, 1))
if tex_height < tex_width:
proj = glm.scale(proj, glm.vec3(tex_width/tex_height, 1, 1))
else:
proj = glm.scale(proj, glm.vec3(1, tex_height/tex_width, 1))
self.drawable.shader.set_uniform("u_projection", proj)
self.drawable.shader.set_uniform("u_resolution", (tex_width, tex_height, 1./max(1, tex_width), 1./max(1, tex_height)))
self.drawable.draw()
def mouse_scroll_callback(self, window: glfw._GLFWwindow, x_offset: float, y_offset: float):
"""
@fn mouse_scroll_callback()
@brief The callback function for glfw.set_sroll_callback().
@param window The ID of the window which is resized.
@param x_offset The offset along x axis.
@param y_offset The offset along y axis.
"""
if y_offset != 0.:
if y_offset > 0.:
tmat = glm.scale(glm.mat4(1.), glm.vec3(1.25))
else:
tmat = glm.scale(glm.mat4(1.), glm.vec3(0.8))
self.camera_property.transform_matrix = self.camera_property.transform_matrix * tmat
self.update_camera_matrix()
def draw(self, view, projection, light, view_position):
this_mesh_renderer: Optional[MeshRenderer] = self.get_component(
MeshRenderer)
this_mesh_filter: Optional[MeshFilter] = self.get_component(MeshFilter)
if this_mesh_renderer is not None:
this_mesh_renderer.use()
m = glm.translate(glm.mat4(1), self.transform.position)
for c in self.draw_rotate:
if c == 'x':
m = glm.rotate(m, glm.radians(self.transform.rotation.x),
glm.vec3(1, 0, 0))
elif c == 'y':
m = glm.rotate(m, glm.radians(self.transform.rotation.y),
glm.vec3(0, 1, 0))
elif c == 'z':
m = glm.rotate(m, glm.radians(self.transform.rotation.z),
glm.vec3(0, 0, 1))
m = glm.scale(m, self.transform.scale)
model, view, projection = self.renderer(model=m,
view=view,
projection=projection)
this_mesh_renderer.set_matrix('model', glm.value_ptr(model))
this_mesh_renderer.set_matrix('view', glm.value_ptr(view))
this_mesh_renderer.set_matrix('projection',
glm.value_ptr(projection))
this_mesh_renderer.draw(light_tuple=light,
view_position=view_position)
# this_mesh_renderer.un_use()
if this_mesh_filter is not None:
this_mesh_filter.draw()
def render(self, shadersDict):
for entity in shadersDict:
shadersDict[entity][0].use()
e = entity
model = entity.model
glBindVertexArray(model.vao)
transform = glm.identity(glm.mat4x4)
transform = glm.translate(transform,
glm.vec3(e.pos.x, e.pos.y, e.pos.z))
transform = glm.rotate(transform, glm.radians(e.angle_x),
glm.vec3(1, 0, 0)) # x-axis
transform = glm.rotate(transform, glm.radians(e.angle_y),
glm.vec3(0, 1, 0)) # y-axis
transform = glm.rotate(transform, glm.radians(e.angle_z),
glm.vec3(0, 0, 1)) # z-axis
transform = glm.scale(transform,
glm.vec3(e.scale.x, e.scale.y, e.scale.z))
shadersDict[entity][0].setMatrix4f("mat_transform", transform)
if shadersDict[entity][1]:
glDrawElements(GL_TRIANGLES, model.indices_len,
GL_UNSIGNED_INT, None)
else:
glDrawArrays(GL_TRIANGLES, 0, model.vertex_count)
def model_transform(self, event):
model = glm.mat4(1)
model = glm.translate(model, self.trans)
#model = glm.rotate(model, glm.radians(80.0), glm.vec3(0, 1, 0))
#model = glm.rotate(model, glfw.get_time(), glm.vec3(0, 1, 0))
model = glm.scale(model, self.scale)
return model
def get_node_transformation(
self, node_id
) -> glm.mat4: # Get Node transformation matrix using Node ID.
matrix = glm.mat4(1.0)
if self.gltf.nodes[node_id].matrix:
# Convert gltf matrix to glm matrix.
matrix = glm.mat4(*self.gltf.nodes[node_id].matrix)
print("Node has matrix.")
elif self.gltf.nodes[node_id].rotation or self.gltf.nodes[
node_id].scale or self.gltf.nodes[node_id].rotation:
# Convert transformation vectors to matrix.
print("Node has vectors.")
translation = glm.vec3()
rotation = glm.quat()
scale = glm.vec3(1.0, 1.0, 1.0)
if self.gltf.nodes[node_id].translation:
translation = glm.vec3(*self.gltf.nodes[node_id].translation)
if self.gltf.nodes[node_id].rotation:
rotation = glm.quat(*self.gltf.nodes[node_id].rotation)
if self.gltf.nodes[node_id].scale:
scale = glm.vec3(*self.gltf.nodes[node_id].scale)
trans_mat = glm.translate(glm.mat4(1.0), translation)
rot_mat = glm.mat4_cast(rotation)
scale_mat = glm.scale(glm.mat4(1.0), scale)
matrix = trans_mat * rot_mat * scale_mat
return matrix
def update_gl():
Camera.model = glm.scale(
glm.mat4(), glm.vec3(Config.scale, Config.scale, Config.scale))
Camera.position = -glm.normalize(
glm.vec3(
math.cos(math.radians(Camera._yaw)) *
math.cos(math.radians(Camera._pitch)),
math.sin(math.radians(Camera._pitch)),
math.sin(math.radians(Camera._yaw)) *
math.cos(math.radians(Camera._pitch))))
Camera.projection = glm.perspective(
math.radians(Camera._field_of_view), Config.width / Config.height,
0.1, 100)
Camera.view = glm.lookAt(Camera.position, glm.vec3(), Camera.camera_up)
Program.forward_mat4("model", Camera.model)
Program.forward_mat4("projection", Camera.projection)
Program.forward_mat4("view", Camera.view)
Program.forward_vec3("camera_position", Camera.position)
ShadowProgram.forward_mat4("model", Camera.model)
ShadowProgram.forward_mat4("projection", Camera.projection)
ShadowProgram.forward_mat4("view", Camera.view)
ShadowProgram.forward_vec3("camera_position", Camera.position)
def drawButton(self, pos, size, color):
hud_model = glm.translate(glm.mat4(1), glm.vec3(*pos, 0)) * glm.scale(
glm.mat4(1), glm.vec3(*size, 1))
glProgramUniformMatrix4fv(self.__hud_prog.Object(), 1, 1, GL_FALSE,
glm.value_ptr(hud_model))
glProgramUniform4fv(self.__hud_prog.Object(), 2, 1, color)
self.__quad.Draw()
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 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 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 display():
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
elapsed_ms = glutGet(GLUT_ELAPSED_TIME)
projection = glm.perspective(glm.radians(60), aspect, 0.1, 20.0)
view = glm.lookAt(glm.vec3(-1, -8, 4), glm.vec3(-1, 0, -1), glm.vec3(0, 0, 1))
angle = 0#elapsed_ms * math.pi * 2 / 10000.0
model = glm.rotate(glm.mat4(1), glm.radians(-30), glm.vec3(0, 0, 1))
model = glm.rotate(model, angle, glm.vec3(0, 1, 0))
model = glm.scale(model, glm.vec3(1, 5, 0.2))
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(model))
glUniform3f(10, 50/255, 40/255, 30/255)
glUniform3f(11, 200/255, 150/255, 100/255)
glUniform1f(12, 1.0) # frequency
glUniform1f(13, 10.0) # noiseScale
glUniform1f(14, 0.1) # ringScale
glUniform1f(15, 1.0) # contrast
glDrawElements(GL_TRIANGLES, 36, GL_UNSIGNED_INT, None)
glutSwapBuffers()
glutPostRedisplay()
def display_quadrado(indiceVAO, translatarX, translatarY, translatarZ,
escalarX, escalarY, escalarZ):
gl.glBindVertexArray(VAO[indiceVAO])
# Cria matrizes de transformação
matriz_transformacao = glm.identity(glm.mat4) # Cria matriz identidade
# Quanto eu quero transladar em cada eixo
vetor_translacao = glm.vec3(translatarX, translatarY, translatarZ)
matriz_transformacao = glm.translate(matriz_transformacao,
vetor_translacao)
# Aumentar o tamanho do quadrado (escala)
#escalar = 3.0
# Aplica um mesmo valor de escala em todos os eixos
vetor_escala = glm.vec3(escalarX, escalarY, escalarZ)
identidade = glm.mat4(1.0)
matriz_escala = glm.scale(identidade, vetor_escala)
matriz_transformacao = matriz_transformacao * matriz_escala
# Localizacao da variavel Uniform matriz transformacao no vertex shader
transformacao_loc = gl.glGetUniformLocation(shaderProgram, "transformacao")
# Copia os dados da matriz de transformacao para matriz Uniform dentro do vertex shader
gl.glUniformMatrix4fv(transformacao_loc, 1, gl.GL_FALSE,
glm.value_ptr(matriz_transformacao))
quant_vertices = 6
gl.glDrawArrays(gl.GL_TRIANGLES, 0, quant_vertices)
gl.glBindVertexArray(0) # Desvincula o VAO
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 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 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 transformation_matrix_4(self) -> glm.mat4:
m = glm.rotate(
glm.mat4(1), -self.rotation_deg / 180 * glm.pi(), glm.vec3(0, 0, 1)
)
m = m * glm.scale(glm.mat4(), glm.vec3(2. / self.scale))
m = m * glm.translate(glm.mat4(), glm.vec3(-self.location.x, -self.location.y, 0))
return m
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 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 _generate_nodeview_matrix2(
rsm_version: int, node: AbstractNode) -> Tuple[glm.mat4, glm.mat4]:
# Transformations which are inherited by children
local_transform_matrix = glm.mat4()
rsm_node = node.impl
# Scaling
if len(rsm_node.scale_key_frames) > 0:
local_transform_matrix = glm.scale(
local_transform_matrix,
glm.vec3(rsm_node.scale_key_frames[0].scale))
# Rotation
if len(rsm_node.rot_key_frames) > 0:
# 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])
local_transform_matrix *= glm.mat4_cast(quaternion)
else:
# Static model
local_transform_matrix = rag_mat4_mul(
local_transform_matrix, mat3tomat4(rsm_node.info.offset_matrix))
if node.parent:
parent_offset_matrix = mat3tomat4(
node.parent.impl.info.offset_matrix)
local_transform_matrix = rag_mat4_mul(
local_transform_matrix, glm.inverse(parent_offset_matrix))
# Translation
if rsm_version >= 0x203 and len(rsm_node.pos_key_frames) > 0:
key_frame = rsm_node.pos_key_frames[0]
position = glm.vec3(key_frame.position)
elif node.parent:
position = glm.vec3(rsm_node.info.offset_vector) - \
glm.vec3(node.parent.impl.info.offset_vector)
parent_offset_matrix = mat3tomat4(node.parent.impl.info.offset_matrix)
position = glm.vec3(
glm.inverse(parent_offset_matrix) * glm.vec4(position, 1.0))
else:
position = glm.vec3(rsm_node.info.offset_vector)
# Transformations which are applied only to this node
final_transform_matrix = copy.copy(local_transform_matrix)
# Reset translation transformation to `position`
final_transform_matrix[3] = glm.vec4(position, 1.0)
# Inherit transformations from ancestors
parent = node.parent
while parent:
final_transform_matrix = rag_mat4_mul(final_transform_matrix,
parent.local_transform_matrix)
parent = parent.parent
if node.parent:
parent_translation = glm.vec3(node.parent.final_transform_matrix[3])
final_transform_matrix[3] += glm.vec4(parent_translation, 0.0)
return (local_transform_matrix, final_transform_matrix)
def CreateTransform3D(pos: glm.vec3, size: glm.vec3,
rot: glm.vec3) -> glm.mat4:
transform = glm.translate(glm.mat4(1.0), pos)
transform = glm.scale(transform, size)
transform = glm.rotate(transform, rot.x, glm.vec3(1.0, 0.0, 0.0))
transform = glm.rotate(transform, rot.y, glm.vec3(0.0, 1.0, 0.0))
return glm.rotate(transform, rot.z, glm.vec3(0.0, 0.0, 1.0))
def _drawOrientationIndicator(self):
gloo.set_state(line_width=5)
# we want the rotation of the camera but not the translation
view = glm.inverse(glm.mat4_cast(self.cam._currentTransform.orientation))
view = glm.scale( view, glm.vec3(0.25))
self._oriProgram['projection'] = self._oriProjection
self._oriProgram['view'] = view
self._oriProgram.draw('lines')
def __init__(self, shape, voxel):
self.__shape = shape
self.__voxel = voxel
self.__cube_model = glm.scale(glm.translate(glm.mat4(1), glm.vec3(-1)),
glm.vec3(2))
self.__invalid = True
self.__current_mark = None
self.__current_add = None
def model(angle, r_x, r_y, r_z, t_x, t_y, t_z, s_x, s_y, s_z):
angle = math.radians(angle)
matrix_transform = glm.mat4(1.0)
matrix_transform = glm.rotate(matrix_transform, angle, glm.vec3(r_x, r_y, r_z))
matrix_transform = glm.translate(matrix_transform, glm.vec3(t_x, t_y, t_z))
matrix_transform = glm.scale(matrix_transform, glm.vec3(s_x, s_y, s_z))
matrix_transform = np.array(matrix_transform).T
return matrix_transform
def render_side_view(camera_intrinsic,
camera_extrinsic,
width,
height,
stereo_index,
hand_color=glm.vec4(0.8, 0.8, 0.8, 0)):
##
# draw grid
##
shader_program.use()
shader_program.set_matrix(
"projection", build_projection_matrix(camera_intrinsic, width, height))
shader_program.set_matrix(
"view", build_model_view_matrix(camera_extrinsic[stereo_index]))
m = glm.mat4(1.0)
m = glm.scale(m, glm.vec3(70))
shader_program.set_matrix("model", glm.value_ptr(m))
shader_program.un_use()
grid_model.draw(shader_program, draw_type=GL_LINES)
##
# draw cube
##
cube_shader_program.use()
cube_shader_program.set_matrix(
"projection", build_projection_matrix(camera_intrinsic, width, height))
cube_shader_program.set_matrix(
"view", build_model_view_matrix(camera_extrinsic[stereo_index]))
m = glm.mat4(1.0)
m = glm.translate(m, model_position[2])
m = glm.rotate(m, glm.radians(model_position[1][0][0]),
model_position[1][0][1])
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, model_position[0])
cube_shader_program.set_matrix("model", glm.value_ptr(m))
cube_shader_program.set_uniform_3f("handColor", hand_color)
cube_shader_program.set_uniform_3f("lightColor", light_color)
cube_shader_program.set_uniform_3f("lightPos", light_position)
cube_shader_program.un_use()
hand_model.draw(cube_shader_program, draw_type=GL_TRIANGLES)
def draw(self, goal_reached, degree):
self.model = glm.mat4(1.)
self.model = glm.scale(self.model, glm.vec3(.2, .2, 1))
# look for center
if self.player_type == 'enemy':
self.model = glm.translate(self.model, glm.vec3(.5, 1., 0))
else:
self.model = glm.translate(self.model,
glm.vec3(.5, .2, 0)) # center in cell
self.model = glm.translate(
self.model,
glm.vec3(self.__current_x * 10, self.__current_y * 10, .0))
if goal_reached:
self.model = glm.scale(self.model, glm.vec3(.5, .5, 1))
self.model = glm.rotate(self.model, glm.radians(degree * 50),
glm.vec3(0, 0, 1.))
return self.model
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 getMatrix(self):
i = glm.mat4(1)
translate = glm.translate(i, self.position)
pitch = glm.rotate(i, glm.radians(self.rotation.x), glm.vec3(1, 0, 0))
yaw = glm.rotate(i, glm.radians(self.rotation.y), glm.vec3(0, 1, 0))
roll = glm.rotate(i, glm.radians(self.rotation.z), glm.vec3(0, 0, 1))
rotate = pitch * yaw * roll
scale = glm.scale(i, self.scale)
return translate * rotate * scale
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 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 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
# 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)
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)
# Rendering finished
glfwSwapBuffers(window)
# for arr in [vao1, ]:
# glDeleteVertexArrays(1, arr)
# for buf in [vbo1, ebo1, ]:
# glDeleteBuffers(1, buf)
# for prog in [shader1, ]:
# glDeleteProgram(prog)
glfwTerminate()
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 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)