void Update()
{
// Check for selection click
if (mouseControl.LeftClick())
{
RaycastHit2D hit = Physics2D.Raycast(mouseControl.LeftMousePositionWhenDown(), Vector2.zero);
// Check for hit object
if (hit.transform != null)
{
GameObject hitObject = hit.transform.gameObject;
// Check for selectable object
SelectableObject selectableObject = hitObject.GetComponent <SelectableObject>();
if (selectableObject != null)
{
DeselectCurrent();
selectedObject = selectableObject;
selectedObject.Select();
}
// Check for sound player to make noise
SoundPlayer soundPlayer = hitObject.GetComponent <SoundPlayer>();
if (soundPlayer != null)
{
soundPlayer.PlayAudio();
}
}
else
{
// Deselect if nothing hit
DeselectCurrent();
}
}
// Check for target click
if (mouseControl.RightClick() && selectedObject != null)
{
RaycastHit2D hit = Physics2D.Raycast(mouseControl.RightMousePositionWhenDown(), Vector2.zero);
// Check for hit object
if (hit.transform != null)
{
transitionManager.SetTransition(selectedObject.gameObject, hit.transform.gameObject);
}
else
{
// Set next target to nothing
transitionManager.SetTransition(selectedObject.gameObject, null);
}
}
// Check for deletion
if (Input.GetKeyDown(KeyCode.Delete) && selectedObject != null)
{
Destroy(selectedObject.gameObject);
transitionManager.DeleteTransitionsForGameObject(selectedObject.gameObject);
selectedObject = null;
}
// Check if holding mouse over object
if (mouseControl.LeftHeld() && draggingObjects.Count == 0)
{
RaycastHit2D hit = Physics2D.Raycast(mouseControl.LeftMousePositionWhenDown(), Vector2.zero);
// Check for hitting selectable object
if (hit.transform != null && hit.transform.gameObject.GetComponent <SelectableObject>() != null)
{
draggingObjects.Add(hit.transform.gameObject.GetComponent <SelectableObject>());
}
else // Multiple selection
{
multiSelect = true;
if (multiSelectIcon == null)
{
multiSelectIcon = Instantiate(multiSelectIconPrefab);
}
}
}
// Draw box for multi select
if (multiSelect)
{
Vector3 corner1 = mouseControl.LeftMousePositionWhenDown();
Vector3 corner2 = mouseControl.MousePosition();
Vector2 center = (corner1 + corner2) / 2;
Vector2 size = new Vector2(Mathf.Abs(corner1.x - corner2.x), Mathf.Abs(corner1.y - corner2.y));
multiSelectIcon.transform.position = center;
multiSelectIcon.transform.localScale = new Vector3(size.x, size.y);
// Check for end of multi select
if (!mouseControl.LeftHeld())
{
multiSelect = false;
RaycastHit2D[] hitObjects = Physics2D.BoxCastAll(center, size, 0, Vector2.zero);
foreach (RaycastHit2D hitObject in hitObjects)
{
SelectableObject selectableObject = hitObject.transform.gameObject.GetComponent <SelectableObject>();
if (selectableObject != null)
{
draggingObjects.Add(selectableObject);
}
}
}
}
// Check for no longer dragging object
if (!mouseControl.LeftHeld() && draggingObjects.Count != 0)
{
foreach (SelectableObject draggingObject in draggingObjects)
{
transitionManager.UpdateTransitions(draggingObject.gameObject);
}
lastMousePos = Vector3.back; // Equiv to null
// Clear dragging object if only one
if (draggingObjects.Count == 1)
{
DeselectCurrent();
}
}
// Drag objects around
if (draggingObjects.Count != 0 && mouseControl.LeftHeld())
{
Vector3 mousePos = mouseControl.MousePosition();
mousePos.z = 0;
if (lastMousePos == Vector3.back)
{
lastMousePos = mouseControl.LeftMousePositionWhenDown();
}
foreach (SelectableObject draggingObject in draggingObjects)
{
draggingObject.transform.position += (mousePos - lastMousePos);
}
// Lag warning: Remove if game too laggy
foreach (SelectableObject draggingObject in draggingObjects)
{
transitionManager.UpdateTransitions(draggingObject.gameObject);
}
if (multiSelectIcon != null)
{
multiSelectIcon.transform.position += (mousePos - lastMousePos);
}
lastMousePos = mousePos;
}
}