private void updateTransform() {
if (transformNeedsUpdate) {
nativeGetTransform(IntercomHelper.getBuffer());
transformCache = IntercomHelper.decodeTransform();
inverseTransformCache = transformCache.getInverse();
transformNeedsUpdate = false;
}
}
private void sync() {
nativeGetViewport(IntercomHelper.getBuffer());
this.viewport = IntercomHelper.decodeFloatRect();
this.size = IntercomHelper.decodeVector2f(nativeGetSize());
this.center = IntercomHelper.decodeVector2f(nativeGetCenter());
this.rotation = nativeGetRotation();
transformNeedsUpdate = true;
}
/**
* Resets the view to a certain viewport rectangle, resetting the rotation angle in the process.
*
* @param rect the viewport rectangle.
*/
public void reset(FloatRect rect) {
nativeReset(IntercomHelper.encodeFloatRect(rect));
sync();
}
/**
* Sets the viewport rectangle of this view.
*
* <p>The viewport defines which portion of the render target is used by this view and is
* expressed using factors between 0 and 1 (percentage of the target's width and height).
*
* <p>The default viewport rectangle is (0, 0, 1, 1).
*
* @param rect the new viewport rectangle.
*/
public void setViewport(FloatRect rect) {
nativeSetViewport(IntercomHelper.encodeFloatRect(rect));
this.viewport = rect;
}