void MouseUpdate()
{
if (Input.GetMouseButtonDown(0))
{
//first frame where left mouse button is clicked
MouseDown(ref mouseSelection);
}
else if (Input.GetMouseButton(0))
{
//subseqpent frames where left mouse button is still held down
MouseDrag(ref mouseSelection);
//check if mouse over city
var overCity = FindOverCity();
if (overCity != null) //mouse dragged over city while dragging something
{
if (selectedCity == overCity)
{
return;
}
selectedCity = overCity;
Debug.Log("2Collided with: " + selectedCity.name);
var sr = selectedCity.GetComponent <SpriteRenderer>();
if (pawns.CanMoveToCity(mouseSelection, selectedCity) == true)
{
sr.color = new Color(.1f, 1f, .1f, 1f); //bright green
}
else
{
sr.color = new Color(1f, .1f, .1f, 1f); //bright red
}
}
else
{
//pawn not collided with city anymore
DeselectCity();
}
}
else //if (Input.GetMouseButtonUp(0))
{
if (mouseSelection != null && selectedCity != null &&
pawns.CanMoveToCity(mouseSelection, selectedCity) == true)
{
pawns.MoveToCity(mouseSelection, selectedCity);
}
DeselectCity(); //mouse up when over a city
//clean up
Cursor.visible = true;
firstClicked = true;
mouseSelection = null;
}
}