/// <summary>
/// 当鼠标按下时触发(其实就是初始化_vec3Offset值，需要注意的是一切的位置坐标都是为了得到这个差值)
/// </summary>
private void onMouseDown()
{
//获取鼠标相对于摄像头的点击位置
Vector3 mousePos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
Vector2 mousePos2D = new Vector2(mousePos.x, mousePos.y);
hitRC = Physics2D.Raycast(mousePos2D, Vector2.zero);
if (hitRC.collider != null && hitRC.transform.GetComponent <JigsawContainerCpt>() != null)
{
Collider2D jigsawCollider = hitRC.collider;
Transform jigsawTransform = jigsawCollider.transform;
//让被选中的物体停止移动
Rigidbody2D baseRB = jigsawTransform.GetComponent <Rigidbody2D>();
baseRB.velocity = Vector3.zero;
baseRB.constraints = RigidbodyConstraints2D.FreezeAll;
baseRB.constraints = RigidbodyConstraints2D.None;
//在鼠标按下时，鼠标和物体在控件坐标在空间上的位置差
jigsawContainerCpt = jigsawTransform.GetComponent <JigsawContainerCpt>();
if (jigsawContainerCpt != null)
{
isSelect = true;
vec3Offset = jigsawTransform.position - new Vector3(mousePos.x, mousePos.y);
jigsawContainerCpt.setIsSelect(true);
}
}
}
/// <summary>
/// 鼠标抬起时
/// </summary>
private void onMouseUp()
{
isSelect = false;
if (jigsawContainerCpt != null)
{
jigsawContainerCpt.setIsSelect(false);
}
}
