def draw(self, time, frametime, target):
# Enable depth testing and face fulling
self.ctx.disable(moderngl.DEPTH_TEST | moderngl.CULL_FACE)
cam_mat = self.sys_camera.view_matrix
# Skybox
sky_matrix = matrix44.create_from_matrix33(
matrix33.create_from_matrix44(cam_mat))
self.sky_shader['m_mv'].write(sky_matrix.astype('f4').tobytes())
self.sky_sphere.render(self.sky_shader)
self.ctx.enable(moderngl.DEPTH_TEST | moderngl.CULL_FACE)
# Sun position
self.sun_pos = cam_mat[3][0:3].astype('f4')
# Sun
self.sun_shader['m_mv'].write(
self.sys_camera.view_matrix.astype('f4').tobytes())
self.sun_shader['m_proj'].write(self.projection_bytes)
self.sun_shader['time'].value = time
self.sun_shader['texture0'].value = 1
self.sun_texture.use(location=1)
self.sun_sphere.render(self.sun_shader)
# Earth
self.earth.draw(time, frametime, target)
def test_multiply(self):
m1 = Matrix33(np.arange(self._size))
m2 = Matrix33(np.arange(self._size)[::-1])
m = m1 * m2
self.assertTrue(np.array_equal(m, matrix33.multiply(m1, m2)))
m1 = Matrix33(np.arange(self._size))
m2 = Matrix44(np.arange(16))
m = m1 * m2
self.assertTrue(np.array_equal(m, matrix33.multiply(m1, matrix33.create_from_matrix44(m2))))
def test_multiply(self):
m1 = Matrix33(np.arange(self._size))
m2 = Matrix33(np.arange(self._size)[::-1])
m = m1 * m2
self.assertTrue(np.array_equal(m, matrix33.multiply(m2, m1)))
m1 = Matrix33(np.arange(self._size))
m2 = Matrix44(np.arange(16))
m = m1 * m2
self.assertTrue(np.array_equal(m, matrix33.multiply(matrix33.create_from_matrix44(m2), m1)))
def render(self,
time=0,
frametime=0,
projection=None,
modelview=None,
target=None):
self.ctx.enable_only(moderngl.NOTHING)
sky_matrix = matrix44.create_from_matrix33(
matrix33.create_from_matrix44(modelview))
self.prog['m_mv'].write(sky_matrix.astype('f4').tobytes())
self.prog['m_proj'].write(projection)
self.texture.use(0)
self.prog['intensity'] = self.track_intensity.time_value(time)
self.sphere.render(self.prog)
def create_from_matrix44(self):
m44 = np.arange((4, 4))
result = matrix33.create_from_matrix44(m44)
self.assertTrue(np.allclose(result, m44[:3][:3]))
def test_matrix33(self):
m1 = Matrix44.identity() * Matrix44.from_x_rotation(0.5)
m = m1.matrix33
self.assertTrue(np.array_equal(m, matrix33.create_from_matrix44(m1)))
def test_matrix33(self):
m1 = Matrix44.identity() * Matrix44.from_x_rotation(0.5)
m = m1.matrix33
self.assertTrue(np.array_equal(m, matrix33.create_from_matrix44(m1)))
def create_from_matrix44(self):
m44 = np.arange((4,4))
result = matrix33.create_from_matrix44(m44)
self.assertTrue(np.allclose(result, m44[:3][:3]))
