package Hitboxes;

public class HitBox {

	private Double position_x;
	private Double position_y;
	private Double size_x;
	private Double size_y;

	public HitBox() {
		this.position_x = 0.0;
		this.position_y = 0.0;
		this.size_x = 0.0;
		this.size_y = 0.0;
	}
	
	public void setPosition_x(Double position_x){
		this.position_x = position_x;
	}
	
	public void setPosition_y(Double position_y){
		this.position_y = position_y;
	}
	
	public HitBox(Double position_x, Double position_y, Double size_x, Double size_y) {
		
		if(position_x < 0.0) {
			position_x = 0.0;
		}else if(position_x > 1.0) {
			position_x = 1.0;
		}
		this.position_x = position_x;
		
		if(position_y < 0.0) {
			position_y = 0.0;
		}else if(position_y > 1.0) {
			position_y = 1.0;
		}
		this.position_y = position_y;
		
		if(size_x < 0.0) {
			size_x = 0.0;
		}else if(size_x > 1.0) {
			size_x = 1.0;
		}
		this.size_x = size_x;
		
		if(size_y < 0.0) {
			size_y = 0.0;
		}else if(size_y > 1.0) {
			size_y = 1.0;
		}
		this.size_y = size_y;
		
	}
	
	/*
	 * @param hb an Hitbox
	 * @return true if HitBox overlap else return false
	 */
	public Boolean hit(HitBox hb) {
		Boolean horiz = false;
		Boolean ver = false;
		Double horizontal1 = this.position_x + this.size_x;
		Double vertical1 = this.position_y + this.size_y;
		Double horizontal2 = hb.position_x + hb.size_x;
		Double vertical2 = hb.position_y + hb.size_y;
		
		
		/*
		 * HitBox overlap horizontally
		 */
		if(this.position_x < hb.position_x) { //this is at left of hb
			if(hb.position_x < horizontal1) {
				horiz = true;
			}
		}else {//this is at left of hb
			if(this.position_x < horizontal2) {
				horiz = true;
			}
		}
		
		/*
		 * HitBox overlap vertically
		 */
		if(this.position_y < hb.position_y) { //this is at top of hb
			if(hb.position_y < vertical1) {
				ver = true;
			}
		}else {//this is at left of hb
			if(this.position_x < vertical2) {
				ver = true;
			}
		}
		
		
		return horiz && ver;
	}
	
}