/*
* Setup
*/
void Awake()
{
_renderer = GetComponent <InventoryRenderer>();
if (_renderer == null)
{
throw new NullReferenceException("Could not find a renderer. This is not allowed!");
}
}
/*
* Returns the offset between dragged item and the grid
*/
private Vector2 GetDraggedItemOffset(InventoryRenderer renderer, IInventoryItem item)
{
var scale = new Vector2(
Screen.width / _canvasRect.sizeDelta.x,
Screen.height / _canvasRect.sizeDelta.y
);
var gx = -(item.width * renderer.cellSize.x / 2f) + (renderer.cellSize.x / 2);
var gy = -(item.height * renderer.cellSize.y / 2f) + (renderer.cellSize.y / 2);
return(new Vector2(gx, gy) * scale);
}
/*
* Setup
*/
void Awake()
{
_renderer = GetComponent <InventoryRenderer>();
if (_renderer == null)
{
throw new NullReferenceException("Could not find a renderer. This is not allowed!");
}
// Find the canvas
var canvases = GetComponentsInParent <Canvas>();
if (canvases.Length == 0)
{
throw new NullReferenceException("Could not find a canvas.");
}
_canvas = canvases[canvases.Length - 1];
}