this.x = lerpDistance(mx, this.x, 0.9);
    this.y = lerpDistance(my, this.y, 0.9);
    

    var deltaY = my - this.y;
    var deltaX = mx - this.x;
    var beta = Math.atan2(deltaY,deltaX);

    this.angle = lerpAngle(beta, this.angle, 0.9);

    ctx1.save();
    ctx1.translate(this.x,this.y);
    ctx1.rotate(this.angle);
    ctx1.drawImage(this.bigEye,-this.bigEye.width * 0.5,-this.bigEye.height * 0.5);
    ctx1.drawImage(this.bigBody,-this.bigBody.width * 0.5,-this.bigBody.height * 0.5);
    ctx1.drawImage(this.bigTail,-this.bigTail.width * 0.5 + 30,-this.bigTail.height * 0.5);

    ctx1.restore();