最新回答 / 慕移動(dòng)0737724
課程里有介紹啊,ctx1.rotate(this.angle);這行代碼加了么?前面代碼這樣的//Math.atan2(y, x)?? ?var deltaY = mom.y - this.y;?? ?var deltaX = mom.x - this.x;?? ?var beta = Math.atan2(deltaY, deltaX) + Math.PI;//-PI/2, PI/2?? ?//lerp angle?? ?this.angle = lerpAngle(beta, this.angle, ...
2017-10-14