[]关于3d的碰撞检测

const field: Laya.MeshSprite3D = this.scene.getChildByName("stadium").getChildByName("field") as Laya.MeshSprite3D;//拿到地板

const sprite3d1MeshCollider: Laya.MeshCollider = field.addComponent(Laya.MeshCollider) as Laya.MeshCollider;

sprite3d1MeshCollider.mesh = field.meshFilter.sharedMesh;

  var rayOrigin: Laya.Vector3 = new Laya.Vector3(0, 0, 0);  //射线原点

            //根据角色位置计算射线原点

            Laya.Vector3.add(this.ownerSprite.transform.position, new Laya.Vector3(speedX, 1, speedZ), rayOrigin);

            //射线原点位置更新

            this.ray.origin = rayOrigin;

            //物理射线与碰撞器相交检测

            Laya.Physics.rayCast(this.ray, this.outHitInfo, 0);

            console.log("x:" + rayOrigin.x + " y:" + rayOrigin.y + " z" + rayOrigin.z)

            this.phasorSpriter3D.begin(Laya.WebGLContext.LINES, LayaAir3D.camera);

            this.phasorSpriter3D.line(this._linePos, this._color, this.ray.origin, this._color);

            this.phasorSpriter3D.end();

            console.log("碰撞检测" + this.outHitInfo.distance);//一直都是-1