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()
def render(self):
with ms.push_matrix(ms.MatrixStack.model):
# rotate the triangle along the positive z axis
ms.translate(ms.MatrixStack.model, math.sin(glfw.get_time()), 0, 0)
ms.rotateZ(ms.MatrixStack.model, glfw.get_time())
gl.glUseProgram(self.shader)
gl.glBindVertexArray(self.vao)
gl.glUniformMatrix4fv(
self.mvpMatrixLoc, 1, gl.GL_TRUE,
np.ascontiguousarray(ms.getCurrentMatrix(
ms.MatrixStack.modelviewprojection),
dtype=np.float32))
gl.glDrawArrays(gl.GL_TRIANGLES, 0, self.numberOfVertices)
gl.glBindVertexArray(0)
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)
paddle1.render()
with ms.push_matrix(ms.MatrixStack.model):
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)
# 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)
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)