/// <summary>
/// The Update game loop. It is essentially just an Update(gameTime) call that's inside of a while(true) loop. This is where the game physics and non-rendering things that happen over time should be.
/// </summary>
/// <param name="gameTime"></param>
protected override void Update(GameTime gameTime)
{
//this came premade in the project, but it works, though I hardly ever use it.
if (Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
//I don't really like the XNA GameTime stuff so instead I made a Time class that functions similarly to the Time class in Unity.
//This just adds the time since the last update in milliseconds to the Time.gameTime clock.
Time.gameTime += gameTime.ElapsedGameTime.Milliseconds;
//Call the worlds update method with the camera reference and the gametime parameters. The reference for the cam is necessary because
//I don't want to make the camera a publicly available thing, but do want to control it inside of the update loops.
world.Update(gameTime);
base.Update(gameTime);
}
/// <summary>
/// Go through all the ships and let them update.
/// </summary>
public void Update(GameTime gameTime)
{
Mouse.GetState();
//Keyboard.GetState();
//Zoom logic
if (Keyboard.WasKeyTyped(Keys.Z))
{
if (Keyboard.IsKeyPressed(Keys.LeftShift))
{
Vector2 oldSize = GameCamera.GetCameraBounds() - GameCamera.Position;
GameCamera.Zoom *= 1.5f;
Vector2 newSize = GameCamera.GetCameraBounds() - GameCamera.Position;
GameCamera.Position += (oldSize - newSize) / 2;
}
else
{
if (GameCamera.Zoom > GameCamera.MaxZoom)
{
Vector2 oldSize = GameCamera.GetCameraBounds() - GameCamera.Position;
GameCamera.Zoom /= 1.5f;
Vector2 newSize = GameCamera.GetCameraBounds() - GameCamera.Position;
//Debug.Log(oldSize - newSize);
GameCamera.Position += (oldSize - newSize) / 2;
}
}
Debug.Log("Camera zoom: " + GameCamera.Zoom);
}
//Camera drag movement.
if (Mouse.MouseButtonDown(Mouse.MouseButton.Left))
{
mouseRightFlag = true;
mouseRightClickedPosition = GameCamera.Position + Mouse.GetState().Position.ToVector2() / GameCamera.Zoom;
Debug.Log("Mouse Clicked Position: " + mouseRightClickedPosition);
}
if (Mouse.IsButtonPressed(Mouse.MouseButton.Left))
{
if (mouseRightFlag)
{
GameCamera.Position = (mouseRightClickedPosition - Mouse.GetState().Position.ToVector2() / GameCamera.Zoom);
}
}
if (Mouse.MouseButtonUp(Mouse.MouseButton.Left))
{
//Debug.Log("Mouse Released Position: " + Mouse.GetState().Position.ToVector2());
mouseRightFlag = false;
GameCamera.Position = (mouseRightClickedPosition - Mouse.GetState().Position.ToVector2() / GameCamera.Zoom);
}
foreach (Ship ship in ships)
{
ship.Update(gameTime);
}
//Debug.Log(cam.Position);
}
