def on_frame_start(self):
# Set the proj matrix
projection = SceneManager.get_current_scene().active_camera.projection_matrix
camera_pos = SceneManager.get_current_scene().active_camera.node_parent.transform.world_matrix
if projection:
#projection.inverse()
self.set_uniform_data('proj', projection)
if camera_pos:
#camera_pos.transpose()
self.set_uniform_data('view', camera_pos)
lights = SceneManager.get_current_scene().lights
if len(lights) > 0:
light_pos = lights[0].transform.position
self.set_uniform_data('lightPosition', light_pos)
def setup_3d(self):
setup_ok = False
# Configure OpenGL Settings for drawing 3D
glEnable(GL_DEPTH_TEST)
glEnable(GL_POLYGON_SMOOTH)
glEnable(GL_BLEND)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
glHint(GL_POLYGON_SMOOTH_HINT, GL_NICEST)
glShadeModel(GL_SMOOTH)
glCullFace(GL_BACK)
glEnable(GL_CULL_FACE)
glClearColor(*self._back_colour.get_gl_colour())
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT)
if Settings.get('RenderSettings','wireframe'):
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE)
else:
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL)
# If the SceneManager instance hasn't been set
if self._camera is None and self._scene_root is None:
if not SceneManager.get_current_scene() is None:
# If there isn't a camera set, get the active camera from the SceneManager
if self._camera is None:
self._camera = SceneManager.get_current_scene().active_camera
# Get the Scene Root
if self._scene_root is None:
self._scene_root = SceneManager.get_current_scene().root
setup_ok = False
if self._camera is None:
Logger.Log("RENDER ERROR: Camera not found.")
elif self._scene_root is None:
Logger.Log("RENDER ERROR: Scene Root not found.")
else:
setup_ok = True
# Activate the camera for rendering
# set_projection, etc
self._camera.activate()
return setup_ok
