void TransformSelected()
{
if (Input.GetMouseButtonDown(0))
{
direction = (selectedObj.targetPos - selectedObj.startPos).normalized;
previousMousePosition = Vector3.zero;
}
if (Input.GetMouseButton(0))
{
Vector3 mousePosition = Input.mousePosition;
if (previousMousePosition != Vector3.zero && mousePosition != Vector3.zero)
{
elementDistence = Vector3.Distance(viewCamera.transform.position, selectedObj.transform.position);
previousMousePosition.z = mousePosition.z = elementDistence;
var dir = viewCamera.ScreenToWorldPoint(mousePosition) - viewCamera.ScreenToWorldPoint(previousMousePosition);
selectedObj.TryMove(Vector3.Project(dir, direction));
}
previousMousePosition = mousePosition;
}
if (Input.GetMouseButtonUp(0))
{
selectedObj.Clamp();
selectedObj = null;
}
}
private bool TrySelectObj()
{
if (viewCamera == null)
{
return(false);
}
ray = viewCamera.ScreenPointToRay(Input.mousePosition);
if (Physics.Raycast(ray, out hit, distence, LayerMask.GetMask(DragItem.layerName)))
{
var obj = hit.collider.GetComponentInParent <DragItem>();
if (obj.Actived)
{
selectedObj = obj;
}
else
{
selectedObj = null;
}
}
return(selectedObj != null);
}