public Rectangle intersection(Rectangle toIntersect)
{
float l = CameraUtils.clamp(toIntersect.left, rect.left, rect.right);
float r = CameraUtils.clamp(toIntersect.right, rect.left, rect.right);
float t = CameraUtils.clamp(toIntersect.top, rect.top, rect.bottom);
float b = CameraUtils.clamp(toIntersect.bottom, rect.top, rect.bottom);
if (t >= b || l >= r) // don't bother rendering if the texture is off screen
{
//return new InfiniteRectangle();
return(new Rectangle(0, 0, 0, 0));
}
else
{
//return new InfiniteRectangle(l, t, r - l, b - t);
return(asRectangle(new InfiniteRectangle(l, t, r - l, b - t)));
}
}
/**
* To be used as a handler for onEnterFrame. Moves the camera towards its targets
* @param e EnterFrameEvent
*/
private void stepAnimation(CEvent e)
{
//clamp, ease, angleModulus and nearEquals are from com.byxb.utils.
_world.x = CameraUtils.clamp(CameraUtils.ease(_world.x, _targetX, _easingPan), _boundingRect.left, _boundingRect.right);
_world.y = CameraUtils.clamp(CameraUtils.ease(_world.y, _targetY, _easingPan), _boundingRect.top, _boundingRect.bottom);
_harness.scaleX = _harness.scaleY = CameraUtils.ease(_harness.scaleX, _targetZoom, _easingZoom);
_targetRot = CameraUtils.angleModulus(_targetRot, _harness.getRotation());
_harness.setRotation(CameraUtils.ease(_harness.getRotation(), _targetRot, _easingRotate));
//_juggler.advanceTime(e.passedTime);
_harness.updateRotation();
//if pretty close to all the targets, treat as having reached the targets
if (!_shaking && CameraUtils.nearEquals(_world.x, _targetX) && CameraUtils.nearEquals(_world.y, _targetY) && CameraUtils.nearEquals(_harness.scaleX, _targetZoom) && CameraUtils.nearEquals(_harness.getRotation(), _targetRot))
{
stopMoving();
}
//dispatchEvent(CameraEvent.CAMERA_UPDATE, false, this.viewport);
dispatchEvent(new CameraEvent(CameraEvent.CAMERA_UPDATE, false, this.viewport, false));
}