/**
* Make sure we never move too much, and make sure that if we move too much to add a displacement
* so that the movement will be still in our radius.
*
* @param radius - radius form the flip origin
* @param bMaintainMoveDir - Cap movement but do not change the current movement direction
* @return Corrected point
*/
private Vector2D CapMovement(Vector2D point, boolean bMaintainMoveDir) {
// Make sure we never ever move too much
if (point.distance(mOrigin) > mFlipRadius) {
if (bMaintainMoveDir) {
// Maintain the direction
point = mOrigin.sum(point.sub(mOrigin).normalize().mult(mFlipRadius));
} else {
// Change direction
if (point.x > (mOrigin.x + mFlipRadius)) point.x = (mOrigin.x + mFlipRadius);
else if (point.x < (mOrigin.x - mFlipRadius)) point.x = (mOrigin.x - mFlipRadius);
point.y =
(float)
(Math.sin(Math.acos(Math.abs(point.x - mOrigin.x) / mFlipRadius)) * mFlipRadius);
}
}
return point;
}
public boolean pointInSegment(Vector2D point) {
return a.distance(point) + b.distance(point) <= a.distance(b) + 0.0001;
}
