// Update is called once per frame
void Update()
{
Ray ray = cam.ScreenPointToRay(Input.mousePosition);
if (Physics.Raycast(ray, out RaycastHit hitInfo) && Input.GetMouseButtonDown(0))
{
if (hitInfo.transform.name == "x" || hitInfo.transform.name == "y" || hitInfo.transform.name == "z")
{
CurrentAxis = hitInfo.transform.name;
}
}
SwipeInfo swipeInfo = SwipeInfo.GetSwipeInfo(ref isClick);
if (swipeInfo == null)
{
return;
}
TransfromWithCameraDegree(swipeInfo, CurrentAxis);
FollowObject.transform.position = transform.position - followObjectOffset;
}
// 在屏幕坐标下进行z方向的移动
void ZTransformInScreen()
{
SwipeInfo swipeInfo = SwipeInfo.GetSwipeInfo(ref isClickZ);
if (swipeInfo == null)
{
return;
}
// 特殊处理
// 模型xyz均与世界坐标指向相同
// 1. 获取当前相机z轴与世界坐标z轴夹角(rotation.y)，从而确定模型z轴相对于自身指向
// 2. 获取手指滑动的方向及距离
// 3. 根据1,2获取的数据进行平移
Vector3 angles = cam.transform.eulerAngles;
//print("angles:" + angles);
float zRotation = angles.y % 360;
// 模型不动，相机顺时针旋转
// z轴指向相机前方
if ((zRotation <= 45 && zRotation >= 0) || zRotation >= 315 ||
(zRotation <= 0 && zRotation >= -45) || zRotation <= -315)
{
//print("z轴指向相机前方");
if (swipeInfo.UpDistance > 0)
{
transform.position = new Vector3(transform.position.x, transform.position.y, transform.position.z + swipeInfo.UpDistance / zTransformSpeed);
}
else if (swipeInfo.DownDistance < 0)
{
transform.position = new Vector3(transform.position.x, transform.position.y, transform.position.z + swipeInfo.DownDistance / zTransformSpeed);
}
}
// z轴指向相机左侧，
else if ((zRotation > 45 && zRotation <= 135) || (zRotation > -315 && zRotation <= -225))
{
// print("z轴指向相机左侧");
if (swipeInfo.RightDistance > 0)
{
transform.position = new Vector3(transform.position.x, transform.position.y, transform.position.z + swipeInfo.RightDistance / zTransformSpeed);
}
else if (swipeInfo.LeftDistance < 0)
{
transform.position = new Vector3(transform.position.x, transform.position.y, transform.position.z + swipeInfo.LeftDistance / zTransformSpeed);
}
}
// z轴指向相机后方
else if ((zRotation > 135 && zRotation <= 225) || (zRotation > -225 && zRotation <= -135))
{
//print("z轴指向相机后方");
if (swipeInfo.UpDistance > 0)
{
transform.position = new Vector3(transform.position.x, transform.position.y, transform.position.z - swipeInfo.UpDistance / zTransformSpeed);
}
else if (swipeInfo.DownDistance < 0)
{
transform.position = new Vector3(transform.position.x, transform.position.y, transform.position.z - swipeInfo.DownDistance / zTransformSpeed);
}
}
// z轴指向相机右侧
else if ((zRotation > 225 && zRotation < 315) || (zRotation > -135 && zRotation <= -45))
{
//print("z轴指向相机右侧");
if (swipeInfo.RightDistance > 0)
{
transform.position = new Vector3(transform.position.x, transform.position.y, transform.position.z - swipeInfo.RightDistance / zTransformSpeed);
}
else if (swipeInfo.LeftDistance < 0)
{
transform.position = new Vector3(transform.position.x, transform.position.y, transform.position.z - swipeInfo.LeftDistance / zTransformSpeed);
}
}
}