def draw_axises(grayed_out=False):
with ms.push_matrix(ms.MatrixStack.model):
ms.scale(ms.MatrixStack.model, 10.0, 10.0, 10.0)
# x axis
with ms.push_matrix(ms.MatrixStack.model):
ms.rotate_z(ms.MatrixStack.model, math.radians(-90.0))
glColor3f(1.0, 0.0, 0.0)
if grayed_out:
glColor3f(0.5, 0.5, 0.5)
draw_y_axis()
# z
glColor3f(0.0, 0.0, 1.0) # blue z
with ms.push_matrix(ms.MatrixStack.model):
ms.rotate_y(ms.MatrixStack.model, math.radians(90.0))
ms.rotate_z(ms.MatrixStack.model, math.radians(90.0))
glColor3f(0.0, 0.0, 1.0)
if grayed_out:
glColor3f(0.5, 0.5, 0.5)
draw_y_axis()
# y
glColor3f(0.0, 1.0, 0.0) # green y
if grayed_out:
glColor3f(0.5, 0.5, 0.5)
draw_y_axis()
if len(axes_list) >= 1 and axes_list[0]:
if math.fabs(float(axes_list[0][0])) > 0.19:
camera.x += 10.0 * axes_list[0][0] * math.cos(camera.rot_y)
camera.z -= 10.0 * axes_list[0][0] * math.sin(camera.rot_y)
if math.fabs(float(axes_list[0][1])) > 0.19:
camera.x += 10.0 * axes_list[0][1] * math.sin(camera.rot_y)
camera.z += 10.0 * axes_list[0][1] * math.cos(camera.rot_y)
if math.fabs(axes_list[0][3]) > 0.19:
camera.rot_y -= 3.0 * axes_list[0][3] * 0.01
if math.fabs(axes_list[0][4]) > 0.19:
camera.rot_x += axes_list[0][4] * 0.01
# note - opengl matricies use degrees
ms.rotate_x(ms.MatrixStack.view, -camera.rot_x)
ms.rotate_y(ms.MatrixStack.view, -camera.rot_y)
ms.translate(ms.MatrixStack.view, -camera.x, -camera.y, -camera.z)
with ms.push_matrix(ms.MatrixStack.model):
# draw paddle 1
# Unlike in previous demos, because the transformations
# are on a stack, the fns on the model stack can
# be read forwards, where each operation translates/rotates/scales
# the current space
ms.translate(
ms.MatrixStack.model,
paddle1.position[0],
paddle1.position[1],
0.0,
)
ms.rotate_z(ms.MatrixStack.model, paddle1.rotation)
# ms.ortho(left=-150.0,
# right=150.0,
# back=-150.0,
# top=150.0,
# near=1.0,
# far=10000.0)
glMatrixMode(GL_PROJECTION)
# ascontiguousarray puts the array in column major order
glLoadMatrixf(
np.ascontiguousarray(ms.getCurrentMatrix(ms.MatrixStack.projection).T))
# note - opengl matricies use degrees
ms.translate(ms.MatrixStack.view, 0.0, 0.0, -moving_camera_r)
ms.rotate_x(ms.MatrixStack.view, moving_camera_rot_x)
ms.rotate_y(ms.MatrixStack.view, -moving_camera_rot_y)
glMatrixMode(GL_MODELVIEW)
draw_ground()
if animation_time < 5.0 or (animation_time > 40.0
and animation_time < 45.0):
draw_axises()
else:
draw_axises(grayed_out=True)
with ms.PushMatrix(ms.MatrixStack.model):
if animation_time > 5.0:
# draw paddle 1
ms.translate(
ms.MatrixStack.model,
# set the projection matrix to be ortho
if NDC:
ms.ortho(left=-1.0, right=1.0, back=-1.0, top=1.0, near=0.0, far=550.0)
else:
ms.ortho(left=-100.0,
right=100.0,
back=-100.0,
top=100.0,
near=0.0,
far=550.0)
# note - opengl matricies use degrees
ms.translate(ms.MatrixStack.view, 0.0, 0.0, -camera.r)
ms.rotate_x(ms.MatrixStack.view, camera.rot_x)
ms.rotate_y(ms.MatrixStack.view, -camera.rot_y)
# draw NDC in global space, so that we can see the camera space
# go to NDC
with ms.PushMatrix(ms.MatrixStack.model):
cube.render(animation_time)
with ms.PushMatrix(ms.MatrixStack.model):
ms.rotate_y(ms.MatrixStack.model, math.radians(90.0))
ms.rotate_z(ms.MatrixStack.model, math.radians(90.0))
ground.render(animation_time)
if animation_time > 60.0:
ms.translate(
ms.MatrixStack.model,
-virtual_camera_position[0] * min(1.0,
(animation_time - 60.0) / 5.0),
def handle_inputs() -> None:
global rotation_around_paddle1
if glfw.get_key(window, glfw.KEY_E) == glfw.PRESS:
rotation_around_paddle1 += 0.1
global square_rotation
if glfw.get_key(window, glfw.KEY_Q) == glfw.PRESS:
square_rotation += 0.1
global camera
move_multiple = 15.0
if glfw.get_key(window, glfw.KEY_RIGHT) == glfw.PRESS:
camera.rot_y -= 0.03
if glfw.get_key(window, glfw.KEY_LEFT) == glfw.PRESS:
camera.rot_y += 0.03
if glfw.get_key(window, glfw.KEY_PAGE_UP) == glfw.PRESS:
camera.rot_x += 0.03
if glfw.get_key(window, glfw.KEY_PAGE_DOWN) == glfw.PRESS:
camera.rot_x -= 0.03
# NEW -- reason about moving in 3D space just like placing
# objects. If the up button is pressed
if glfw.get_key(window, glfw.KEY_UP) == glfw.PRESS:
# describe the vector to move forwards.
# -1 unit in the z direction is forwards
#
# Although we have not covered linear algebra and
# matrix multiplication in depth, all coordinates
# in OpenGL are in 4D space, (x,y,z,w),
# where to convert to NDC, use (x/w,y/w,z/w)
#
# For most purposes, by setting w to 1, we can
# think in normal 3D space
#
forwards = np.array([0.0, 0.0, -1.0, 1.0])
# push matrix on the view stack, as we are going
# to use the view matrix to determine the new position,
# but then will reset the value of the view matrix
with ms.PushMatrix(ms.MatrixStack.view):
ms.translate(ms.MatrixStack.view, camera.x, camera.y, camera.z)
ms.rotate_y(ms.MatrixStack.view, camera.rot_y)
ms.scale(ms.MatrixStack.view, 5.0, 5.0, 5.0)
camera.x, camera.y, camera.z, _ = (
ms.getCurrentMatrix(ms.MatrixStack.view) @ forwards)
if glfw.get_key(window, glfw.KEY_DOWN) == glfw.PRESS:
backwards = np.array([0.0, 0.0, 1.0, 1.0])
with ms.PushMatrix(ms.MatrixStack.view):
ms.translate(ms.MatrixStack.view, camera.x, camera.y, camera.z)
ms.rotate_y(ms.MatrixStack.view, camera.rot_y)
ms.scale(ms.MatrixStack.view, 5.0, 5.0, 5.0)
camera.x, camera.y, camera.z, _ = (
ms.getCurrentMatrix(ms.MatrixStack.view) @ backwards)
global paddle1, paddle2
if glfw.get_key(window, glfw.KEY_S) == glfw.PRESS:
paddle1.position[1] -= 10.0
if glfw.get_key(window, glfw.KEY_W) == glfw.PRESS:
paddle1.position[1] += 10.0
if glfw.get_key(window, glfw.KEY_K) == glfw.PRESS:
paddle2.position[1] -= 10.0
if glfw.get_key(window, glfw.KEY_I) == glfw.PRESS:
paddle2.position[1] += 10.0
global paddle_1_rotation, paddle_2_rotation
if glfw.get_key(window, glfw.KEY_A) == glfw.PRESS:
paddle1.rotation += 0.1
if glfw.get_key(window, glfw.KEY_D) == glfw.PRESS:
paddle1.rotation -= 0.1
if glfw.get_key(window, glfw.KEY_J) == glfw.PRESS:
paddle2.rotation += 0.1
if glfw.get_key(window, glfw.KEY_L) == glfw.PRESS:
paddle2.rotation -= 0.1
# ms.ortho(left=-150.0,
# right=150.0,
# back=-150.0,
# top=150.0,
# near=1.0,
# far=10000.0)
glMatrixMode(GL_PROJECTION)
# ascontiguousarray puts the array in column major order
glLoadMatrixf(
np.ascontiguousarray(ms.getCurrentMatrix(ms.MatrixStack.projection).T))
# note - opengl matricies use degrees
ms.translate(ms.MatrixStack.view, 0.0, 0.0, -camera.r)
ms.rotate_x(ms.MatrixStack.view, camera.rot_x)
ms.rotate_y(ms.MatrixStack.view, -camera.rot_y)
glMatrixMode(GL_MODELVIEW)
# draw NDC in global space, so that we can see the camera space
# go to NDC
with ms.PushMatrix(ms.MatrixStack.model):
ms.scale(ms.MatrixStack.model, 5.0, 5.0, 5.0)
draw_ndc()
draw_ground()
if animation_time > 80.0:
ms.rotate_x(
ms.MatrixStack.model,
-virtual_camera_rot_x * min(1.0, (animation_time - 80.0) / 5.0),
def render(self, time, grayed_out=False):
glDisable(GL_DEPTH_TEST)
glUseProgram(self.shader)
glBindVertexArray(self.vao)
with ms.push_matrix(ms.MatrixStack.model):
# x axis
with ms.push_matrix(ms.MatrixStack.model):
ms.rotate_z(ms.MatrixStack.model, math.radians(-90.0))
if enlarged_axis:
ms.scale(ms.MatrixStack.model, 10.0, 10.0, 10.0)
glUniform3f(self.colorLoc, 1.0, 0.0, 0.0)
if grayed_out:
glUniform3f(self.colorLoc, 0.5, 0.5, 0.5)
# ascontiguousarray puts the array in column major order
glUniformMatrix4fv(
self.mMatrixLoc,
1,
GL_TRUE,
np.ascontiguousarray(
ms.getCurrentMatrix(ms.MatrixStack.model), dtype=np.float32
),
)
glUniformMatrix4fv(
self.vMatrixLoc,
1,
GL_TRUE,
np.ascontiguousarray(
ms.getCurrentMatrix(ms.MatrixStack.view), dtype=np.float32
),
)
glUniformMatrix4fv(
self.pMatrixLoc,
1,
GL_TRUE,
np.ascontiguousarray(
ms.getCurrentMatrix(ms.MatrixStack.projection), dtype=np.float32
),
)
glDrawArrays(GL_LINES, 0, self.numberOfVertices)
# z
# glColor3f(0.0,0.0,1.0) # blue z
with ms.push_matrix(ms.MatrixStack.model):
ms.rotate_y(ms.MatrixStack.model, math.radians(90.0))
ms.rotate_z(ms.MatrixStack.model, math.radians(90.0))
if enlarged_axis:
ms.scale(ms.MatrixStack.model, 10.0, 10.0, 10.0)
glUniform3f(self.colorLoc, 0.0, 0.0, 1.0)
if grayed_out:
glUniform3f(self.colorLoc, 0.5, 0.5, 0.5)
# ascontiguousarray puts the array in column major order
glUniformMatrix4fv(
self.mMatrixLoc,
1,
GL_TRUE,
np.ascontiguousarray(
ms.getCurrentMatrix(ms.MatrixStack.model), dtype=np.float32
),
)
glUniformMatrix4fv(
self.vMatrixLoc,
1,
GL_TRUE,
np.ascontiguousarray(
ms.getCurrentMatrix(ms.MatrixStack.view), dtype=np.float32
),
)
glUniformMatrix4fv(
self.pMatrixLoc,
1,
GL_TRUE,
np.ascontiguousarray(
ms.getCurrentMatrix(ms.MatrixStack.projection), dtype=np.float32
),
)
if enlarged_axis:
ms.scale(ms.MatrixStack.model, 10.0, 10.0, 10.0)
glDrawArrays(GL_LINES, 0, self.numberOfVertices)
# y
if enlarged_axis:
ms.scale(ms.MatrixStack.model, 10.0, 10.0, 10.0)
glUniform3f(self.colorLoc, 0.0, 1.0, 0.0)
# glColor3f(0.0,1.0,0.0) # green y
if grayed_out:
glUniform3f(self.colorLoc, 0.5, 0.5, 0.5)
# ascontiguousarray puts the array in column major order
glUniformMatrix4fv(
self.mMatrixLoc,
1,
GL_TRUE,
np.ascontiguousarray(
ms.getCurrentMatrix(ms.MatrixStack.model), dtype=np.float32
),
)
glUniformMatrix4fv(
self.vMatrixLoc,
1,
GL_TRUE,
np.ascontiguousarray(
ms.getCurrentMatrix(ms.MatrixStack.view), dtype=np.float32
),
)
glUniformMatrix4fv(
self.pMatrixLoc,
1,
GL_TRUE,
np.ascontiguousarray(
ms.getCurrentMatrix(ms.MatrixStack.projection), dtype=np.float32
),
)
glDrawArrays(GL_LINES, 0, self.numberOfVertices)
glBindVertexArray(0)
glEnable(GL_DEPTH_TEST)
def render(self, time, grayed_out=False):
glDisable(GL_DEPTH_TEST)
glUseProgram(self.shader)
glBindVertexArray(self.vao)
# pass projection parameters to the shader
fov_loc = glGetUniformLocation(self.shader, "fov")
glUniform1f(fov_loc, 45.0)
aspect_loc = glGetUniformLocation(self.shader, "aspectRatio")
glUniform1f(aspect_loc, 1.0)
nearZ_loc = glGetUniformLocation(self.shader, "nearZ")
glUniform1f(nearZ_loc, -5.0)
farZ_loc = glGetUniformLocation(self.shader, "farZ")
glUniform1f(farZ_loc, -150.00)
# TODO, set the color
with ms.push_matrix(ms.MatrixStack.model):
# x axis
with ms.push_matrix(ms.MatrixStack.model):
ms.rotate_z(ms.MatrixStack.model, math.radians(-90.0))
if enlarged_axis:
ms.scale(ms.MatrixStack.model, 10.0, 10.0, 10.0)
glUniform3f(self.colorLoc, 1.0, 0.0, 0.0)
if grayed_out:
glUniform3f(self.colorLoc, 0.5, 0.5, 0.5)
# ascontiguousarray puts the array in column major order
glUniformMatrix4fv(
self.mMatrixLoc,
1,
GL_TRUE,
np.ascontiguousarray(ms.getCurrentMatrix(
ms.MatrixStack.model),
dtype=np.float32),
)
glUniformMatrix4fv(
self.vMatrixLoc,
1,
GL_TRUE,
np.ascontiguousarray(ms.getCurrentMatrix(
ms.MatrixStack.view),
dtype=np.float32),
)
glUniformMatrix4fv(
self.pMatrixLoc,
1,
GL_TRUE,
np.ascontiguousarray(ms.getCurrentMatrix(
ms.MatrixStack.projection),
dtype=np.float32),
)
glDrawArrays(GL_LINES, 0, self.numberOfVertices)
# z
# glColor3f(0.0,0.0,1.0) # blue z
with ms.push_matrix(ms.MatrixStack.model):
ms.rotate_y(ms.MatrixStack.model, math.radians(90.0))
ms.rotate_z(ms.MatrixStack.model, math.radians(90.0))
if enlarged_axis:
ms.scale(ms.MatrixStack.model, 10.0, 10.0, 10.0)
glUniform3f(self.colorLoc, 0.0, 0.0, 1.0)
if grayed_out:
glUniform3f(self.colorLoc, 0.5, 0.5, 0.5)
# ascontiguousarray puts the array in column major order
glUniformMatrix4fv(
self.mMatrixLoc,
1,
GL_TRUE,
np.ascontiguousarray(ms.getCurrentMatrix(
ms.MatrixStack.model),
dtype=np.float32),
)
glUniformMatrix4fv(
self.vMatrixLoc,
1,
GL_TRUE,
np.ascontiguousarray(ms.getCurrentMatrix(
ms.MatrixStack.view),
dtype=np.float32),
)
glUniformMatrix4fv(
self.pMatrixLoc,
1,
GL_TRUE,
np.ascontiguousarray(ms.getCurrentMatrix(
ms.MatrixStack.projection),
dtype=np.float32),
)
glDrawArrays(GL_LINES, 0, self.numberOfVertices)
# y
if enlarged_axis:
ms.scale(ms.MatrixStack.model, 10.0, 10.0, 10.0)
glUniform3f(self.colorLoc, 0.0, 1.0, 0.0)
# glColor3f(0.0,1.0,0.0) # green y
if grayed_out:
glUniform3f(self.colorLoc, 0.5, 0.5, 0.5)
# ascontiguousarray puts the array in column major order
glUniformMatrix4fv(
self.mMatrixLoc,
1,
GL_TRUE,
np.ascontiguousarray(ms.getCurrentMatrix(ms.MatrixStack.model),
dtype=np.float32),
)
glUniformMatrix4fv(
self.vMatrixLoc,
1,
GL_TRUE,
np.ascontiguousarray(ms.getCurrentMatrix(ms.MatrixStack.view),
dtype=np.float32),
)
glUniformMatrix4fv(
self.pMatrixLoc,
1,
GL_TRUE,
np.ascontiguousarray(ms.getCurrentMatrix(
ms.MatrixStack.projection),
dtype=np.float32),
)
glDrawArrays(GL_LINES, 0, self.numberOfVertices)
glBindVertexArray(0)
glEnable(GL_DEPTH_TEST)
