codingteam0815/spaceinvaders/GameProject/src/controller/ReboundController2.java

package controller;

/** Controller to let Objects bounce from the outer level limits back and forth.
 *
 */
public class ReboundController2 extends ObjectController {

  /** inverts the x y direction speeds if the outer limits are reached.
   * 
   */
  @Override
  public void updateObject() {
    double sizeX = this.getPlayground().preferredSizeX();
    double sizeY = this.getPlayground().preferredSizeY();
    double objSizeX = 30;
    double objSizeY = 30;
    
    if (this.getX() < objSizeX) {
      this.setVX(this.getVX() * -1);
      this.setX(objSizeX);
    } else if (this.getX() > sizeX - objSizeX) {
      this.setVX(this.getVX() * -1);
      this.setX(sizeX - objSizeX);
    }
    if (this.getY() < objSizeY) {
      this.setVY(this.getVY() * -1);
      this.setY(objSizeY);     
    } else if (this.getY() > sizeY - objSizeY) {
      this.setVY(this.getVY() * -1);
      this.setY(sizeY - objSizeY);
    }
    this.applySpeedVector();
  } 

}