private void OnSceneGui(SceneView sv)
{
DrawControls();
tileMap = FindObjectOfType <QuadTileMap>();
_selectionTile.gameObject.SetActive(editMode != LevelEditMode.None);
Event e = Event.current;
// Convert mouse position to world position by finding point where y = 0.
Ray ray = HandleUtility.GUIPointToWorldRay(e.mousePosition);
Vector3 pos = ray.origin - (ray.origin.y / ray.direction.y) * ray.direction;
Vector3 snappedPosition = QuadTileMap.GetPositionClosestTo(pos);
_selectionTile.transform.position = snappedPosition;
_selectionTile.UpdateHeight(height);
ModeChanged();
int controlId = GUIUtility.GetControlID(FocusType.Passive);
if (e.GetTypeForControl(controlId) == EventType.ScrollWheel && e.control)
{
if (e.delta.y > 0)
{
DecreaseHeight();
}
else if (e.delta.y < 0)
{
IncreaseHeight();
}
e.Use();
}
if (e.GetTypeForControl(controlId) == EventType.KeyDown && e.control)
{
switch (e.keyCode)
{
case NON_KEY:
editMode = LevelEditMode.None;
break;
case ADD_KEY:
editMode = LevelEditMode.Add;
break;
case REM_KEY:
editMode = LevelEditMode.Delete;
break;
}
e.Use();
Repaint();
}
if (e.GetTypeForControl(controlId) == EventType.MouseDown)
{
if (e.button == 0)
{
switch (editMode)
{
case LevelEditMode.Add:
tileMap.AddTile(snappedPosition, brush, height);
break;
case LevelEditMode.Delete:
tileMap.DeleteTile(snappedPosition);
break;
case LevelEditMode.None:
return;
}
}
}
lastSnappedPosition = snappedPosition;
}
