// Update is called once per frame
private void LateUpdate()
{
float scroll = Input.GetAxis("Mouse ScrollWheel");
if (scroll > 0)
{
currentItem = objectHolder.GetNextObject();
}
if (scroll < 0)
{
currentItem = objectHolder.GetPreviousObject();
}
if (Input.GetKeyDown(KeyCode.T))
{
snapAmount += snapDif;
}
if (Input.GetKeyDown(KeyCode.G))
{
snapAmount -= snapDif;
}
snapAmount = Mathf.Max(snapAmount, snapDif);
if (Input.GetKeyDown(KeyCode.R))
{
snapToGrid = !snapToGrid;
}
RaycastHit hit;
if (DoRaycastFromCamera(out hit))
{
Vector3 pos = hit.point;
if (snapToGrid)
{
pos = SnapToGrid(pos, snapAmount);
}
ShowVisual(objectHolder.GetCurrentVisual(), pos, transform.rotation);
if (Input.GetMouseButtonDown(0))
{
if (currentItem != null)
{
Command command = new PlaceObjectCommand(currentItem, pos, transform.rotation);
command.Execute();
commandIndex++;
commandList.Insert(commandIndex, command);
}
}
}
//Undo
if (Input.GetMouseButtonDown(1))
{
if (commandIndex >= 0)
{
commandList[commandIndex].Undo();
commandIndex--;
}
}
//Redo
if (Input.GetMouseButtonDown(2))
{
if (commandIndex < commandList.Count - 1)
{
commandIndex++;
commandList[commandIndex].Execute();
}
}
}