def init_transform(self):
"""Initialize VM transforms."""
self.update_rotation()
camera_matrix = lookat(
self.camera_eye, self.camera_center, self.camera_up)
GL.glUniformMatrix4fv(
GL.glGetUniformLocation(
self.program_manager.program_id, b"camera"),
1, GL.GL_TRUE,
camera_matrix)
def draw(self, projection, view, model, color_shader, color):
super().draw(projection, view, model, color_shader)
# model, projection and view transform
model = np.identity(
4
) # translate(0.4, 0.7, 0) @ rotate(vec(1, 0, 0), 25) @ scale(0.7)
view = lookat(np.array((0, 3, 3), 'f'), np.array((0, 0, 0), 'f'),
np.array((0, 1, 0), 'f'))
projection = perspective(45.0, 4 / 3, 0.1, 100.0)
# transformation
mvp = projection @ view @ model
matrix_location = GL.glGetUniformLocation(color_shader.glid, 'matrix')
GL.glUniformMatrix4fv(matrix_location, 1, True, mvp)
def __init__(self, position, fov, aspect, near, far):
self.position = position
self._ProjectionMatrix = perspective(fov, aspect, near, far)
self._ViewMatrix = lookat(position, vec(0, 0, 0), vec(0, 1, 0))
self._ProjectionViewMatrix = self._ProjectionMatrix @ self._ViewMatrix
def LookAt(self, target):
self._ViewMatrix = lookat(self.position, target, vec(0, 1, 0))
self._ProjectionViewMatrix = self._ProjectionMatrix @ self._ViewMatrix
def draw(self, projection, view, model):
new_view = view
if (self.is_follow):
new_view = lookat(vec(-4, 20, 0), vec(-4, 1, 1), vec(0, 1, 0))
super().draw(projection, new_view, model)