ScreenHalf GetPointScreenHalf(Vector2 position)
{
Vector2 screenCenter = new Vector2(Screen.width, Screen.height) / 2.0f;
float a = Vector2.SignedAngle(Vector2.up, screenCenter - position);
if (a > 0 && a <= 180)
{
dragScreenHalf = ScreenHalf.Right;
}
else if (a > -180 && a <= 0)
{
dragScreenHalf = ScreenHalf.Left;
}
else
{
dragScreenHalf = ScreenHalf.None;
}
return(dragScreenHalf);
}
void GetMouseInput()
{
/*
* Mouse Down
*/
if (Input.GetMouseButtonDown(0))
{
// Reset drag variables
ResetInputVars();
// Get drag screen half
dragScreenHalf = GetPointScreenHalf(Input.mousePosition);
}
/*
* Mouse Drag
*/
isMouseDown = Input.GetMouseButton(0);
if (isMouseDown)
{
// Only add to drag once the mouse has moved
if (hasDragged)
{
drag += (Vector2)Input.mousePosition - previousMousePosition;
}
previousMousePosition = Input.mousePosition;
hasDragged = true;
UpdateControllables();
}
/*
* Mouse Up
*/
if (Input.GetMouseButtonUp(0))
{
// TODO: release event
}
}
