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')