this.arr[1].x = this.prevheadx;
			this.arr[1].y = this.prevheady;
			this.arr[2].x = this.prev1x;
			this.arr[2].y = this.prev1y;
			this.arr[3].x = this.prev2x;
			this.arr[3].y = this.prev2y;
			this.arr[4].x = this.prev3x;
			this.arr[4].y = this.prev3y;
			this.arr[5].x = this.prev4x;
			this.arr[5].y = this.prev4y;



			this.prevheadx = this.arr[0].x;
			this.prevheady = this.arr[0].y;
			this.prev1x = this.arr[1].x;
			this.prev1y = this.arr[1].y;
			this.prev2x = this.arr[2].x;
			this.prev2y = this.arr[2].y;
			this.prev3x = this.arr[3].x;
			this.prev3y = this.arr[3].y;
			this.prev4x = this.arr[4].x;
			this.prev4y = this.arr[4].y;