public override void HandleInput()
{
if (InputManager.IsMouseButtonPressed(MouseButton.Left))
{
if (InputManager.IsMouseButtonTriggered(MouseButton.Left))
{
lastMouseDown = InputManager.MousePosition;
}
if (world.CanDrag)
{
Vector2 delta = InputManager.LastMousePosition.ToVector() -
InputManager.MousePosition.ToVector();
world.Camera.Move(-delta);
}
}
else if (InputManager.IsMouseButtonClicked(MouseButton.Left))
{
var current = InputManager.MousePosition.ToVector();
float distance = Vector2.Distance(current,
lastMouseDown.ToVector());
if (distance <= clickDistanceThreshold)
{
world.OnClick(current - world.Camera.RawPosition);
}
}
if (InputManager.IsKeyTriggered(Keys.B))
{
ScreenManager.AddScreen(new BuildingListScreen(world));
}
var mouse = InputManager.MousePosition.ToVector() - world.Camera.RawPosition;
var selection = world.GetNodePosition(mouse);
if (InputManager.IsMouseButtonTriggered(MouseButton.Right))
{
if (new Rectangle(0, 0, MarsWorld.Size.X, MarsWorld.Size.Y).Contains(selection))
{
var type = InputManager.IsKeyPressed(Keys.LeftShift) ?
Enemy.Tank : Enemy.Basic;
for (int i = 0; i < 25; i++)
{
var offset = new Vector2(random.Next(250), random.Next(250));
world.AddEnemy(type, mouse - new Vector2(10) + offset);
}
}
}
if (InputManager.IsKeyTriggered(Keys.OemTilde))
{
MarsWorld.Debug = !MarsWorld.Debug;
}
}
/// <summary>
/// Gets the the position of the nearest node (in node units)
/// </summary>
/// <returns></returns>
public virtual Point GetNearestNode()
{
var node = world.GetNodePosition(position);
// clamp values inside the world
node.X = (int)MathHelper.Clamp(node.X, 0, MarsWorld.Size.X - 1);
node.Y = (int)MathHelper.Clamp(node.Y, 0, MarsWorld.Size.Y - 1);
return(node);
}