private void Move()
{
if (Input.GetMouseButtonDown(0))
{
DownPosition = Input.mousePosition;
print("鼠标左键按下时的位置：" + DownPosition);
}
if (Input.GetMouseButtonUp(0) == false)//只要没有鼠标抬起动作就退出
{
return;
}
SlideDir dir = CheckDir();//调用CheckDir（）函数获取方向
}
//检测鼠标滑动的方向
private SlideDir CheckDir()
{
if (Input.GetMouseButtonUp(0))
{
//print ("鼠标左键按下时的位置：" + DownPosition);
print("鼠标左键抬起时的位置：" + Input.mousePosition);
Vector3 offest = Input.mousePosition - DownPosition;//局部变量
print("鼠标左键按下到抬起时的偏差：" + offest);
//检测水平
if (Mathf.Abs(offest.x) > 100 && Mathf.Abs(offest.x) >= Mathf.Abs(offest.y))
{
if (offest.x < 0)
{
dir = SlideDir.left;
}
else
{
dir = SlideDir.right;
}
}
//检测竖直
if (Mathf.Abs(offest.y) > 100 && Mathf.Abs(offest.x) < Mathf.Abs(offest.y))
{
if (offest.y > 0)
{
dir = SlideDir.top;
}
else
{
dir = SlideDir.bottom;
}
}
//无方向
if (Mathf.Abs(offest.x) <= 100 && Mathf.Abs(offest.y) <= 100)
{
dir = SlideDir.nullpoint;
}
}
return(dir);
}
Vector2 Target(RectTransform content, SlideDir dir, float slideRate)
{
if (dir == SlideDir.left)
{
return(content.anchoredPosition + (Vector2.left * canvasWidth * slideRate));
}
else if (dir == SlideDir.right)
{
return(content.anchoredPosition + (Vector2.right * canvasWidth * slideRate));
}
else if (dir == SlideDir.up)
{
return(content.anchoredPosition + (Vector2.up * canvasHeight * slideRate));
}
else if (dir == SlideDir.down)
{
return(content.anchoredPosition + (Vector2.down * canvasHeight * slideRate));
}
else
{
throw new System.Exception("Invalid direction");
}
}
void Slide(RectTransform content, SlideDir dir, AnimationCurve curve, UnityEvent OnSlideEnd, float slideRate = 1)
{
Vector2 target = Target(content, dir, slideRate);
StartCoroutine(AnimateWithEvent(content, target, curve, OnSlideEnd));
}
void Slide(RectTransform content, SlideDir dir, AnimationCurve curve, float slideRate = 1)
{
Vector2 target = Target(content, dir, slideRate);
StartCoroutine(Animate(content, target, curve));
}