Example #1
0
void SceneTest::parent() {
    Scene3D scene;

    /* Scene parent cannot be changed */
    Object3D* scenePointer = &scene;
    Object3D object;
    scenePointer->setParent(&object);
    CORRADE_VERIFY(scene.parent() == nullptr);
    CORRADE_VERIFY(scene.children().isEmpty());
    CORRADE_VERIFY(object.children().isEmpty());
}
Example #2
0
void BulletExample::drawEvent() {
    GL::defaultFramebuffer.clear(GL::FramebufferClear::Color|GL::FramebufferClear::Depth);

    /* Housekeeping: remove any objects which are far away from the origin */
    for(Object3D* obj = _scene.children().first(); obj; )
    {
        Object3D* next = obj->nextSibling();
        if(obj->transformation().translation().dot() > 100*100)
            delete obj;

        obj = next;
    }

    /* Step bullet simulation */
    _bWorld.stepSimulation(_timeline.previousFrameDuration(), 5);

    /* Draw the cubes */
    if(_drawCubes) _camera->draw(_drawables);

    /* Debug draw. If drawing on top of cubes, avoid flickering by setting
       depth function to <= instead of just <. */
    if(_drawDebug) {
        if(_drawCubes)
            GL::Renderer::setDepthFunction(GL::Renderer::DepthFunction::LessOrEqual);

        _debugDraw.setTransformationProjectionMatrix(
            _camera->projectionMatrix()*_camera->cameraMatrix());
        _bWorld.debugDrawWorld();

        if(_drawCubes)
            GL::Renderer::setDepthFunction(GL::Renderer::DepthFunction::Less);
    }

    swapBuffers();
    _timeline.nextFrame();
    redraw();
}