void Awake()
{
this.mainCamera = Camera.main;
this.mouseState = MouseStateEnum.DEFAULT;
this.mouseIsHeldDownOneFrame = false;
this.mouseIsReleasedOneFrame = false;
}
void Update()
{
// this Update() must run before anything else.
this.oldMousePos = this.mousePos;
this.mousePos = GetMousePos();
// changes CLICKED to HELD and UNCLICKED to DEFAULT after a new frame begins
switch (this.mouseState)
{
case MouseStateEnum.CLICKED:
this.mouseState = MouseStateEnum.HELD;
break;
case MouseStateEnum.UNCLICKED:
this.dragOffset = Vector3.zero;
this.oldDragOffset = Vector3.zero;
this.clickedPos = Vector3.zero;
this.mouseState = MouseStateEnum.DEFAULT;
break;
}
// detect mouse button down and up to set CLICKED and UNCLICKED
if (Input.GetMouseButtonDown(0))
{
this.mouseState = MouseStateEnum.CLICKED;
}
else if (Input.GetMouseButtonUp(0))
{
this.mouseState = MouseStateEnum.UNCLICKED;
}
switch (this.mouseState)
{
case MouseStateEnum.DEFAULT:
break;
case MouseStateEnum.CLICKED:
// runs once for one frame before mouseState changes to HELD
print("GameManger - clicked: " + this.mousePos);
this.clickedPos = this.mousePos;
OnClickDown();
break;
case MouseStateEnum.HELD:
this.oldDragOffset = this.dragOffset;
this.dragOffset = this.mousePos - this.clickedPos;
OnHoldUpdate();
break;
case MouseStateEnum.UNCLICKED:
// runs once for one frame before mouseState changes to DEFAULT
print("GameManger - unclicked: " + this.mousePos + " offset: " + this.dragOffset);
OnUnclick();
break;
}
}
void Update()
{
this.isCursorOverUI = EventSystem.current.IsPointerOverGameObject();
if (this.mouseIsHeldDownOneFrame)
{
this.mouseIsHeldDownOneFrame = false;
this.mouseState = MouseStateEnum.HELD;
}
if (this.mouseIsReleasedOneFrame)
{
this.mouseIsReleasedOneFrame = false;
this.mouseState = MouseStateEnum.DEFAULT;
}
// this Update() must run before anything else.
this.oldMousePos = this.mousePos;
this.oldMousePosV2 = this.mousePosV2;
this.mousePos = GetMousePos();
this.mousePosV2 = Util.V3ToV2I(this.mousePos);
switch (this.mouseState)
{
case MouseStateEnum.DEFAULT:
break;
case MouseStateEnum.CLICKED:
// runs once for one frame before mouseState changes to HELD
this.clickedPos = this.mousePos;
this.clickedPosV2 = Util.V3ToV2I(this.clickedPos);
// OnClickDown();
this.mouseIsHeldDownOneFrame = true;
break;
case MouseStateEnum.HELD:
// runs PER FRAME while mouse is held down
this.oldDragOffset = this.dragOffset;
this.dragOffset = this.mousePos - this.clickedPos;
this.dragOffsetV2 = this.mousePosV2 - this.clickedPosV2;
break;
case MouseStateEnum.RELEASED:
// runs once for one frame before mouseState changes to DEFAULT
this.dragOffset = Vector3.zero;
this.oldDragOffset = Vector3.zero;
this.clickedPos = Vector3.zero;
this.mouseIsReleasedOneFrame = true;
break;
default:
throw new ArgumentOutOfRangeException();
}
}