/**
* Given a working point and a reference point, rotate the working point by the given angle around
* the reference point.
*
* @param p
* @param angle
* @param around
* @return
*/
private static BitPoint rotatePoint(BitPoint p, float angle, BitPoint around) {
double s = Math.sin(angle);
double c = Math.cos(angle);
// translate point back to origin:
p.x -= around.x;
p.y -= around.y;
// rotate point
double xnew = p.x * c - p.y * s;
double ynew = p.x * s + p.y * c;
// translate point back:
p.x = (float) (xnew + around.x);
p.y = (float) (ynew + around.y);
return p;
}
@Override
public BitPoint[] getProjectionPoints() {
return new BitPoint[] {rightAngle, rightAngle.plus(width, 0), rightAngle.plus(0, height)};
}
