Laser Code2

task lasercage(CenterX,CenterY,ang_vel,r,i){
		let obj = Obj_Create(OBJ_LASER);
		let corner = Obj_Create(OBJ_SHOT);
		let bullet = Obj_Create(OBJ_SHOT);

		let t = 0;
		let h = 0;
		let bounce = true;
		arrayLaser = arrayLaser~[obj];

		Obj_SetPosition(obj,CenterX+r*cos(90*i+ang_vel*t),CenterY+r*sin(90*i+ang_vel*t));
		Obj_SetPosition(corner,CenterX+r*cos(90*i+ang_vel*t),CenterY+r*sin(90*i+ang_vel*t));
		Obj_SetAngle(obj,90*i+135+ang_vel*t);
		ObjLaser_SetLength(obj,r*2^(1/2));
		ObjLaser_SetWidth(obj,15);
		ObjShot_SetGraphic(obj,4);
		ObjShot_SetGraphic(corner,204);
		ObjShot_SetDelay(obj,90);
		ObjShot_SetDelay(corner,0);
		ObjLaser_SetSource(obj,false);
		ObjShot_SetBombResist(corner,true);

		Obj_SetPosition(bullet,Obj_GetX(obj),Obj_GetY(obj));
		Obj_SetAngle(bullet,atan2(GetPlayerY - Obj_GetY(obj), GetPlayerX - Obj_GetX(obj)));
		Obj_SetSpeed(bullet,0.75);
		ObjShot_SetGraphic(bullet,225);


		while(!Obj_BeDeleted(obj)) {
		Obj_SetPosition(obj,CenterX+r*cos(90*i+ang_vel*t),CenterY+r*sin(90*i+ang_vel*t));
		Obj_SetPosition(corner,CenterX+r*cos(90*i+ang_vel*t),CenterY+r*sin(90*i+ang_vel*t));
		Obj_SetAngle(obj,90*i+135+ang_vel*t);
		ObjLaser_SetLength(obj,r*2^(1/2));

		ascent (h in 0..length(arrayLaser)) {
			if (Collision_Obj_Obj(arrayLaser[h],bullet)==true && bounce==true) { Obj_SetAngle(bullet,2*Obj_GetAngle(obj) - Obj_GetAngle(bullet)); bounce = false; }
		}

        t++;
		r+=0.5*cos(t);
		yield;
		}
	}