Unity 3d 后代生成LineRenderer线

var aMaterial:Material; private var mLine:LineRenderer; function Start ()  {     mLine = this.gameObject.AddComponent(LineRenderer);     mLine.SetWidth(5, 5);     mLine.SetVertexCount(300);     mLine.SetColors (Color.yellow,Color.yellow);    mLine.material = aMaterial;//材质    mLine.material.color = Color (0, 1, 0, 0.25);     mLine.renderer.enabled = true; //启用 }  var i:int=0; function Update() {    if(i<300)    {            mLine.SetPosition(i,Input.mousePosition);//鼠标坐标    }    i++; }