protected void handleRotate(Vector3f start, Vector3f end, float direction) {
LOGGER.warning(
"Handling rotate, start: "
+ start
+ ""
+ "\nlast: "
+ lastTranslation
+ ""
+ "\nend: "
+ end);
Vector3f increment = end.subtract(lastTranslation);
increment.y = 0;
float length = increment.length();
float magic = 3f; // ~ 180 degrees
float percent = length / magic;
// if the difference is negative, we need to rotate in the opposite
// direction. Caclulate the difference after taking into account
// the direction of the camera
// CellTransform viewTransform = ViewManager.getViewManager().getCameraTransform();
// Quaternion viewRotation = viewTransform.getRotation(null);
// increment = viewRotation.mult(increment);
//
// LOGGER.warning("viewTransform: " + viewTransform + ", increment: " +
// increment);
//
// if (increment.x < 0 || increment.z < 0) {
// percent = -percent;
// }
// take direction into account
percent *= direction;
Quaternion rotation = new Quaternion();
rotation.fromAngles(0f, percent * FastMath.PI, 0f);
// rotation is the total rotation since we started moving the mouse,
// so calculate just the delta to apply
Quaternion deltaRotation = rotation.mult(lastRotation.inverse());
LOGGER.warning(
"Percent: "
+ percent
+ " = "
+ toAnglesString(rotation)
+ ". Last = "
+ toAnglesString(lastRotation)
+ ". Delta = "
+ toAnglesString(deltaRotation));
applyDelta(Vector3f.ZERO, deltaRotation);
}
