@Override
protected void controlUpdate(float tpf) {
light.setPosition(spatial.getWorldTranslation().add(0, 0, 32));
flicker += 8 * tpf;
float radius =
FastMath.sin(FastMath.tan(FastMath.cos(flicker + (FastMath.rand.nextFloat() * 2)))) * 20
+ 200;
light.setRadius(radius);
}
protected void zoomCamera(float value) {
// derive fovY value
float h = cam.getFrustumTop();
float w = cam.getFrustumRight();
float aspect = w / h;
float near = cam.getFrustumNear();
float fovY = FastMath.atan(h / near) / (FastMath.DEG_TO_RAD * .5f);
fovY += value * 0.1f;
if (fovY < Config.ZOOM_FOV_MAX && fovY > Config.ZOOM_FOV_MIN) {
h = FastMath.tan(fovY * FastMath.DEG_TO_RAD * .5f) * near;
w = h * aspect;
cam.setFrustumTop(h);
cam.setFrustumBottom(-h);
cam.setFrustumLeft(-w);
cam.setFrustumRight(w);
}
}