Wykrywanie kolizji

public boolean isCollised(){
		for(Collision c1:MyGdxGame.collisionManager.getCollisionList()){
			if(!c1.equals(this)){
				if(c1.overlaps(this)){
					return true;
				}
			}
		}
		return false;
	}
	
	public boolean isCollOnRight(){
		for(Collision c1:MyGdxGame.collisionManager.getCollisionList()){
			if(!c1.equals(this)){
				return this.isCollised() && (this.x + this.width >= c1.x);
			}
		}
		return false;
	}
	public boolean isCollOnLeft(){
		for(Collision c1:MyGdxGame.collisionManager.getCollisionList()){
			if(!c1.equals(this)){
				return this.isCollised() && (this.x <= c1.x + c1.width);
			}
		}
		return false;
	}
	public boolean isCollOnTop(){
		for(Collision c1:MyGdxGame.collisionManager.getCollisionList()){
			if(!c1.equals(this)){
				return this.isCollised() && (this.y + this.height >= c1.y);
			}
		}
		return false;
	}
	public boolean isCollOnBottom(){
		for(Collision c1:MyGdxGame.collisionManager.getCollisionList()){
			if(!c1.equals(this)){
				return this.isCollised() && (this.y > c1.y + c1.width);
			}
		}
		return false;
	}