def calculate_view_matrix(position, rotation):
"""TReturns 4x4 view matrix from the (x.y,z) position and XYZ Euler rotation, in degrees."""
# Set View Matrix
trans_mat = transformations.translation_matrix((-position[0], -position[1], -position[2]))
rotation = tuple(-np.radians(coord) for coord in rotation)
rot_mat = transformations.euler_matrix(rotation[0], rotation[1], rotation[2], 'rxyz')
return np.dot(rot_mat, trans_mat)
def calculate_model_matrix(position, rotation, scale):
"""Returns 4x4 model matrix from the (x.y,z) position and XYZ Euler rotation, in degrees."""
# Set Model and Normal Matrices
trans_mat = transformations.translation_matrix(position)
rotation = tuple(np.radians(coord) for coord in rotation)
rot_mat = transformations.euler_matrix(rotation[0], rotation[1], rotation[2])
scale_mat = transformations.scale_matrix(scale)
return np.dot(np.dot(trans_mat, rot_mat), scale_mat)
def draw(self):
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
with self.shaderProg, bindVAO(self.VAO), \
bindTexture(GL_TEXTURE0, GL_TEXTURE_2D, self.texture1), \
bindTexture(GL_TEXTURE1, GL_TEXTURE_2D, self.texture2):
glUniform1i(glGetUniformLocation(self.shaderProg, 'ourTexture1'), 0)
glUniform1i(glGetUniformLocation(self.shaderProg, 'ourTexture2'), 1)
view = translation_matrix([0, 0, -0.5]).T
projection = perspective_matrix(np.radians(45), WIDTH/HEIGHT, 0.1, 100).T
viewLoc = glGetUniformLocation(self.shaderProg, 'view')
glUniformMatrix4fv(viewLoc, 1, GL_FALSE, view)
projectionLoc = glGetUniformLocation(self.shaderProg, 'projection')
glUniformMatrix4fv(projectionLoc, 1, GL_FALSE, projection)
modelLoc = glGetUniformLocation(self.shaderProg, 'model')
for i in range(10):
model = translation_matrix(self.cubePositions[i]).T
angle = 20 * i
model = rotation_matrix(angle, [1, 0.3, 0.5]).T @ model
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
glfw.swap_buffers(self.window)
def to_matrix(self):
return trans.translation_matrix(self._array)