public RenderController(Scene s, Vector2 viewSize) {
scene = s;
queue = new SceneEventQueue(scene);
scene.addListener(queue);
env = RenderTreeBuilder.build(scene, viewSize);
animEngine = new AnimationEngine(scene);
for (SceneObject o : scene.objects) {
if (o instanceof SceneCamera) {
System.out.println("Camera " + o.getID().name + " will not be animated");
} else {
animEngine.addObject(o.getID().name, o);
}
}
}
public void checkMouse(int mx, int my, RenderCamera camera) {
Vector2 curMousePos =
new Vector2(mx, my)
.add(0.5f)
.mul(2)
.div(camera.viewportSize.x, camera.viewportSize.y)
.sub(1);
if (curMousePos.x != lastMousePos.x || curMousePos.y != lastMousePos.y) {
if (selectedManipulator != null && currentObject != null) {
applyTransformation(selectedManipulator, camera, currentObject, lastMousePos, curMousePos);
scene.sendEvent(new SceneTransformationEvent(currentObject.sceneObject));
}
lastMousePos.set(curMousePos);
}
}
/**
* Update the camera's transformation matrix in response to user input.
*
* <p>Pairs of keys are available to translate the camera in three direction oriented to the
* camera, and to rotate around three axes oriented to the camera. Mouse input can also be used to
* rotate the camera around the horizontal and vertical axes. All effects of these controls are
* achieved by altering the transformation stored in the SceneCamera that is referenced by the
* RenderCamera this controller is associated with.
*
* @param et time elapsed since previous frame
*/
public void update(double et) {
Vector3 motion = new Vector3();
Vector3 rotation = new Vector3();
if (Keyboard.isKeyDown(Keyboard.KEY_W)) {
motion.add(0, 0, -1);
}
if (Keyboard.isKeyDown(Keyboard.KEY_S)) {
motion.add(0, 0, 1);
}
if (Keyboard.isKeyDown(Keyboard.KEY_A)) {
motion.add(-1, 0, 0);
}
if (Keyboard.isKeyDown(Keyboard.KEY_D)) {
motion.add(1, 0, 0);
}
if (Keyboard.isKeyDown(Keyboard.KEY_LSHIFT)) {
motion.add(0, -1, 0);
}
if (Keyboard.isKeyDown(Keyboard.KEY_SPACE)) {
motion.add(0, 1, 0);
}
if (Keyboard.isKeyDown(Keyboard.KEY_E)) {
rotation.add(0, 0, -1);
}
if (Keyboard.isKeyDown(Keyboard.KEY_Q)) {
rotation.add(0, 0, 1);
}
if (Keyboard.isKeyDown(Keyboard.KEY_DOWN)) {
rotation.add(-1, 0, 0);
}
if (Keyboard.isKeyDown(Keyboard.KEY_UP)) {
rotation.add(1, 0, 0);
}
if (Keyboard.isKeyDown(Keyboard.KEY_RIGHT)) {
rotation.add(0, -1, 0);
}
if (Keyboard.isKeyDown(Keyboard.KEY_LEFT)) {
rotation.add(0, 1, 0);
}
if (Keyboard.isKeyDown(Keyboard.KEY_O)) {
orbitMode = true;
}
if (Keyboard.isKeyDown(Keyboard.KEY_F)) {
orbitMode = false;
}
boolean thisFrameButtonDown =
Mouse.isButtonDown(0)
&& !(Keyboard.isKeyDown(Keyboard.KEY_LCONTROL)
|| Keyboard.isKeyDown(Keyboard.KEY_RCONTROL));
int thisMouseX = Mouse.getX(), thisMouseY = Mouse.getY();
if (thisFrameButtonDown && prevFrameButtonDown) {
rotation.add(0, -0.1f * (thisMouseX - prevMouseX), 0);
rotation.add(0.1f * (thisMouseY - prevMouseY), 0, 0);
}
prevFrameButtonDown = thisFrameButtonDown;
prevMouseX = thisMouseX;
prevMouseY = thisMouseY;
RenderObject parent = rEnv.findObject(scene.objects.get(camera.sceneObject.parent));
Matrix4 pMat = parent == null ? new Matrix4() : parent.mWorldTransform;
if (motion.lenSq() > 0.01) {
motion.normalize();
motion.mul(5 * (float) et);
translate(pMat, camera.sceneObject.transformation, motion);
}
if (rotation.lenSq() > 0.01) {
rotation.mul((float) (100.0 * et));
rotate(pMat, camera.sceneObject.transformation, rotation);
}
scene.sendEvent(new SceneTransformationEvent(camera.sceneObject));
}