void OnTriggerStay2D(Collider2D other)
{
windowCollider = other.transform.parent.GetComponent <RectTransform>();
dragTrue = windowCollider.GetComponent <DragDemo>();
if (dragTrue.absorbFlag == true && dragTrue.allowMove == false && windowCollider.gameObject == PositionControl.currentWindow)
{
tempVector = windowCollider.localPosition;
y = windowCollider.localPosition.y;
tempVector.y = 0f;
windowCollider.localPosition = tempVector;
}
}
void OnTriggerStay2D(Collider2D other)
{
windowCollider = other.transform.parent.GetComponent <RectTransform>();
dragTrue = windowCollider.GetComponent <DragDemo>();
if (dragTrue.absorbFlag == true && dragTrue.allowMove == false && windowCollider.gameObject == PositionControl.currentWindow)
{
tempVector = windowCollider.localPosition;
x = windowCollider.localPosition.x;
tempVector.x = 0f;
if (windowCollider.pivot == new Vector2(0, 1))
{
windowCollider.localPosition = tempVector + new Vector3(windowParent.rect.width - windowCollider.rect.width, 0, 0);
}
if (windowCollider.pivot == new Vector2(0, 0))
{
windowCollider.localPosition = tempVector + new Vector3(windowParent.rect.width - windowCollider.rect.height, 0, 0);
}
}
}
void OnTriggerStay2D(Collider2D other)
{
//Debug.Log("OnTriggerStay2D：" + this.transform.name);
windowCollider = other.transform.parent.GetComponent <RectTransform>();
dragFalse = windowCollider.GetComponent <DragDemo>();
if (other.gameObject.name == "Col_4")
{
if (windowParent.GetComponent <RectTransform>().pivot == new Vector2(0, 1) && windowCollider.GetComponent <RectTransform>().pivot == new Vector2(0, 1))
{
if (dragTrue.absorbFlag == true && dragTrue.allowMove == false && windowParent.gameObject == PositionControl.currentWindow)
{
Debug.Log("OnTriggerStay2D：" + this.transform.name + "-" + other.gameObject.name);
//保留拖动窗体的y坐标值，修改其x坐标值为碰撞窗体的坐标值加宽
tempVector = windowParent.localPosition;
x = windowCollider.localPosition.x;
tempVector.x = 0f;
windowParent.localPosition = tempVector + new Vector3(x + dragFalse.itemWidth, 0, 0);
}
}
if (windowParent.GetComponent <RectTransform>().pivot == new Vector2(0, 0) && windowCollider.GetComponent <RectTransform>().pivot == new Vector2(0, 0))
{
if (dragTrue.absorbFlag == true && dragTrue.allowMove == false && windowParent.gameObject == PositionControl.currentWindow)
{
Debug.Log("OnTriggerStay2D：" + this.transform.name + "-" + other.gameObject.name);
//保x，改y
tempVector = windowParent.localPosition;
y = windowCollider.localPosition.y;
tempVector.y = 0f;
windowParent.localPosition = tempVector + new Vector3(0, y - dragFalse.itemWidth, 0);
}
}
}
if (other.gameObject.name == "Col_2")
{
if (windowParent.GetComponent <RectTransform>().pivot == new Vector2(0, 0) && windowCollider.GetComponent <RectTransform>().pivot == new Vector2(0, 1))
{
if (dragTrue.absorbFlag == true && dragTrue.allowMove == false && windowParent.gameObject == PositionControl.currentWindow)
{
Debug.Log("OnTriggerStay2D：" + this.transform.name + "-" + other.gameObject.name);
//保x，改y
tempVector = windowParent.localPosition;
y = windowCollider.localPosition.y;
tempVector.y = 0f;
windowParent.localPosition = tempVector + new Vector3(0, y - dragFalse.itemLen, 0);
}
}
}
if (other.gameObject.name == "Col_1")
{
if (windowParent.GetComponent <RectTransform>().pivot == new Vector2(0, 1) && windowCollider.GetComponent <RectTransform>().pivot == new Vector2(0, 0))
{
if (dragTrue.absorbFlag == true && dragTrue.allowMove == false && windowParent.gameObject == PositionControl.currentWindow)
{
Debug.Log("OnTriggerStay2D：" + this.transform.name + "-" + other.gameObject.name);
//保y，改x
tempVector = windowParent.localPosition;
x = windowCollider.localPosition.x;
tempVector.x = 0f;
windowParent.localPosition = tempVector + new Vector3(x + dragFalse.itemLen, 0, 0);
}
}
}
//if (other.gameObject.name == "Col_4")
//{
// if (windowParent.GetComponent<RectTransform>().pivot == new Vector2(0, 0) && windowCollider.GetComponent<RectTransform>().pivot == new Vector2(0, 0))
// {
// if (dragTrue.absorbFlag == true && dragTrue.allowMove == false && windowParent.gameObject == PositionControl.currentWindow)
// {
// //保x，改y
// tempVector = windowParent.localPosition;
// y = windowCollider.localPosition.y;
// tempVector.y = 0f;
// windowParent.localPosition = tempVector + new Vector3(0, y - dragFalse.itemWidth, 0);
// }
// }
//}
}
// Use this for initialization
void Start()
{
windowParent = this.transform.parent.GetComponent <RectTransform>();
dragTrue = windowParent.GetComponent <DragDemo>();
}
void OnTriggerStay2D(Collider2D other)
{
//windowCollider为被碰撞的物体，windowParent为正在拖动的这个窗体本身，应该是拖动的窗体被吸附到windowCollider
//上，dragTrue和dragFalse分别为windowParent和windowCollider的拖动脚本，我在其中设置了吸附标志变量用于控制窗体只有
//在松开鼠标的那一刻才会发生吸附效果。
windowCollider = other.transform.parent.GetComponent <RectTransform>();
dragFalse = windowCollider.GetComponent <DragDemo>();
if (other.gameObject.name == "Col_2")//通过判断与不同的碰撞体碰撞，以确定是哪一种碰撞情况
{
//通过判断pivot的值来判断该窗体是否经过旋转，此时是横放还是竖放。
if (windowParent.GetComponent <RectTransform>().pivot == new Vector2(0, 1) && windowCollider.GetComponent <RectTransform>().pivot == new Vector2(0, 1))
{
//currentWindow代表当前拖动的窗体，即保证每次只有一个窗体的触发器启用，不然会出现抖动以及其他未知的问题
//这点很重要，之前因为每个窗体都有四个碰撞体，且都挂有相同的脚步，互相很容易产生干扰，要保证每次吸附
//只有一个碰撞体脚本生效，对其产生吸附，而这个窗体就是被拖动的那个窗体，
//通过思考想到了先存储所有窗体的引用，然后在拖动一个窗体的同时，保存该拖动窗体的引用，在发生吸附作用
//前进行判断，以保证一次只有一条边的吸附。
/*情况A，横放窗体碰横放窗体*/
if (dragTrue.absorbFlag == true && dragTrue.allowMove == false && windowParent.gameObject == PositionControl.currentWindow)
{
Debug.Log("OnTriggerStay2D：" + this.transform.name + "-" + other.gameObject.name);
//以下产生具体的吸附效果，需要根据吸附情况的不同进行相应计算和重写
tempVector = windowParent.localPosition;
y = windowCollider.localPosition.y;
tempVector.y = 0f;
windowParent.localPosition = tempVector + new Vector3(0, y - 100, 0);
}
}
/*情况D，竖放窗体碰撞竖放窗体*/
if (windowParent.GetComponent <RectTransform>().pivot == new Vector2(0, 0) && windowCollider.GetComponent <RectTransform>().pivot == new Vector2(0, 0))
{
if (dragTrue.absorbFlag == true && dragTrue.allowMove == false && windowParent.gameObject == PositionControl.currentWindow)
{
Debug.Log("OnTriggerStay2D：" + this.transform.name + "-" + other.gameObject.name);
//保y，改x
tempVector = windowParent.localPosition;
x = windowCollider.localPosition.x;
tempVector.x = 0f;
windowParent.localPosition = tempVector + new Vector3(x - dragFalse.itemLen, 0, 0);
}
}
}
/*情况B，竖放窗体碰撞横放窗体*/
if (other.gameObject.name == "Col_3")
{
if (windowParent.GetComponent <RectTransform>().pivot == new Vector2(0, 0) && windowCollider.GetComponent <RectTransform>().pivot == new Vector2(0, 1))
{
if (dragTrue.absorbFlag == true && dragTrue.allowMove == false && windowParent.gameObject == PositionControl.currentWindow)
{
Debug.Log("OnTriggerStay2D：" + this.transform.name + "-" + other.gameObject.name);
//保y，改x
tempVector = windowParent.localPosition;
x = windowCollider.localPosition.x;
tempVector.x = 0f;
windowParent.localPosition = tempVector + new Vector3(x - dragFalse.itemLen, 0, 0);
}
}
}
/*情况C，横放窗体碰撞竖放窗体*/
if (other.gameObject.name == "Col_4")
{
if (windowParent.GetComponent <RectTransform>().pivot == new Vector2(0, 1) && windowCollider.GetComponent <RectTransform>().pivot == new Vector2(0, 0))
{
if (dragTrue.absorbFlag == true && dragTrue.allowMove == false && windowParent.gameObject == PositionControl.currentWindow)
{
Debug.Log("OnTriggerStay2D：" + this.transform.name + "-" + other.gameObject.name);
//保x，改y
tempVector = windowParent.localPosition;
y = windowCollider.localPosition.y;
tempVector.y = 0f;
windowParent.localPosition = tempVector + new Vector3(0, y - dragFalse.itemWidth, 0);
}
}
}
// if (other.gameObject.name == "Col_2")
//{
// if (windowParent.GetComponent<RectTransform>().pivot == new Vector2(0, 0) && windowCollider.GetComponent<RectTransform>().pivot == new Vector2(0, 0))
// {
// if (dragTrue.absorbFlag == true && dragTrue.allowMove == false && windowParent.gameObject == PositionControl.currentWindow)
// {
// //保y，改x
// tempVector = windowParent.localPosition;
// x = windowCollider.localPosition.x;
// tempVector.x = 0f;
// windowParent.localPosition = tempVector + new Vector3(x - dragFalse.itemLen, 0, 0);
// }
// }
//}
}
