self.crate_y += np.random.uniform(-0.2, 0.2, 32 * 32)
def render(self):
angle = self.wnd.time * 0.2
width, height = self.wnd.size
self.ctx.viewport = self.wnd.viewport
self.ctx.clear(1.0, 1.0, 1.0)
self.ctx.enable(moderngl.DEPTH_TEST)
camera_pos = (np.cos(angle) * 5.0, np.sin(angle) * 5.0, 2.0)
proj = Matrix44.perspective_projection(45.0, width / height, 0.1,
1000.0)
lookat = Matrix44.look_at(
camera_pos,
(0.0, 0.0, 0.5),
(0.0, 0.0, 1.0),
)
self.mvp.write((proj * lookat).astype('f4').tobytes())
self.light.value = camera_pos
crate_z = np.sin(self.crate_a * self.wnd.time + self.crate_b) * 0.2
coordinates = np.dstack([self.crate_x, self.crate_y, crate_z])
self.vbo2.write(coordinates.astype('f4').tobytes())
self.vao.render(instances=1024)
run_example(InstancedCrates)
(0.0, 0.0, 8.0),
(0.0, 0.0, 1.0),
)
rotate = Matrix44.from_z_rotation(np.sin(self.wnd.time) * 0.5 + 0.2)
self.use_texture.value = False
self.light.value = (67.69, -8.14, 52.49)
self.mvp.write((proj * lookat * rotate).astype('f4').tobytes())
self.color.value = (0.67, 0.49, 0.29)
self.objects['ground'].render()
self.color.value = (0.46, 0.67, 0.29)
self.objects['grass'].render()
self.color.value = (1.0, 1.0, 1.0)
self.objects['billboard'].render()
self.color.value = (0.2, 0.2, 0.2)
self.objects['billboard-holder'].render()
self.use_texture.value = True
self.texture.use()
self.objects['billboard-image'].render()
run_example(Example)
self.use_texture.value = False
self.light.value = (67.69, -8.14, 52.49)
self.mvp.write((proj * lookat * rotate).astype('f4').tobytes())
self.color.value = (0.67, 0.49, 0.29)
self.objects['ground'].render()
self.color.value = (0.46, 0.67, 0.29)
self.objects['grass'].render()
self.color.value = (1.0, 1.0, 1.0)
self.objects['billboard'].render()
self.color.value = (0.2, 0.2, 0.2)
self.objects['billboard-holder'].render()
self.use_texture.value = True
if mode == 'render_to_texture':
self.texture1.use()
else:
self.texture2.use()
self.objects['billboard-image'].render()
run_example(Example, backend='PyQt5')
