/** Callback triggered wheneve the user resizes the example window. */
void renderWindowResized()
{
SPtr<RenderWindow> window = gApplication().getPrimaryWindow();
const RenderWindowProperties& rwProps = window->getProperties();
windowResWidth = rwProps.getWidth();
windowResHeight = rwProps.getHeight();
sceneCamera->setAspectRatio(rwProps.getWidth() / (float)rwProps.getHeight());
}
/** Set up the 3D object used by the example, and the camera to view the world through. */
void setUp3DScene(const Assets& assets)
{
/************************************************************************/
/* SCENE OBJECT */
/************************************************************************/
// Now we create a scene object that has a position, orientation, scale and optionally
// components to govern its logic. In this particular case we are creating a SceneObject
// with a Renderable component which will render a mesh at the position of the scene object
// with the provided material.
// Create new scene object at (0, 0, 0)
HSceneObject pistolSO = SceneObject::create("Pistol");
// Attach the Renderable component and hook up the mesh we imported earlier,
// and the material we created in the previous section.
HRenderable renderable = pistolSO->addComponent<CRenderable>();
renderable->setMesh(assets.exampleModel);
renderable->setMaterial(assets.exampleMaterial);
// Add a rotator component so we can rotate the object during runtime
pistolSO->addComponent<ObjectRotator>();
/************************************************************************/
/* SKYBOX */
/************************************************************************/
// Add a skybox texture for sky reflections
HSceneObject skyboxSO = SceneObject::create("Skybox");
HSkybox skybox = skyboxSO->addComponent<CSkybox>();
skybox->setTexture(assets.exampleSkyCubemap);
/************************************************************************/
/* CAMERA */
/************************************************************************/
// In order something to render on screen we need at least one camera.
// Like before, we create a new scene object at (0, 0, 0).
HSceneObject sceneCameraSO = SceneObject::create("SceneCamera");
// Get the primary render window we need for creating the camera. Additionally
// hook up a callback so we are notified when user resizes the window.
SPtr<RenderWindow> window = gApplication().getPrimaryWindow();
window->onResized.connect(&renderWindowResized);
// Add a Camera component that will output whatever it sees into that window
// (You could also use a render texture or another window you created).
sceneCamera = sceneCameraSO->addComponent<CCamera>(window);
// Set up camera component properties
// Set closest distance that is visible. Anything below that is clipped.
sceneCamera->setNearClipDistance(0.005f);
// Set farthest distance that is visible. Anything above that is clipped.
sceneCamera->setFarClipDistance(1000);
// Set aspect ratio depending on the current resolution
sceneCamera->setAspectRatio(windowResWidth / (float)windowResHeight);
// Enable multi-sample anti-aliasing for better quality
sceneCamera->setMSAACount(4);
// Add a CameraFlyer component that allows us to move the camera. See CameraFlyer for more information.
sceneCameraSO->addComponent<CameraFlyer>();
// Position and orient the camera scene object
sceneCameraSO->setPosition(Vector3(0.2f, 0.1f, 0.2f));
sceneCameraSO->lookAt(Vector3(-0.1f, 0, 0));
}