public async Task ShowStartMenu(bool gameOver)
{
var cache = Application.ResourceCache;
bigAircraft = Node.CreateChild();
var model = bigAircraft.CreateComponent <StaticModel>();
if (gameOver)
{
model.Model = cache.GetModel(Assets.Models.Enemy1);
model.SetMaterial(cache.GetMaterial(Assets.Materials.Enemy1).Clone(""));
bigAircraft.SetScale(0.3f);
bigAircraft.Rotate(new Quaternion(180, 90, 20), TransformSpace.Local);
}
else
{
model.Model = cache.GetModel(Assets.Models.Player);
model.SetMaterial(cache.GetMaterial(Assets.Materials.Player).Clone(""));
bigAircraft.SetScale(1f);
bigAircraft.Rotate(new Quaternion(0, 40, -50), TransformSpace.Local);
}
bigAircraft.Position = new Vector3(10, 2, 10);
bigAircraft.RunActions(new RepeatForever(new Sequence(new RotateBy(1f, 0f, 0f, 5f), new RotateBy(1f, 0f, 0f, -5f))));
//TODO: rotor should be defined in the model + animation
rotor = bigAircraft.CreateChild();
var rotorModel = rotor.CreateComponent <Box>();
rotorModel.Color = Color.White;
rotor.Scale = new Vector3(0.1f, 1.5f, 0.1f);
rotor.Position = new Vector3(0, 0, -1.3f);
var rotorAction = new RepeatForever(new RotateBy(1f, 0, 0, 360f * 6)); //RPM
rotor.RunActions(rotorAction);
menuLight = bigAircraft.CreateChild();
menuLight.Position = new Vector3(-3, 6, 2);
menuLight.AddComponent(new Light {
LightType = LightType.Point, Brightness = 0.3f
});
await bigAircraft.RunActionsAsync(new EaseIn(new MoveBy(1f, new Vector3(-10, -2, -10)), 2));
textBlock = new Text();
textBlock.HorizontalAlignment = HorizontalAlignment.Center;
textBlock.VerticalAlignment = VerticalAlignment.Bottom;
textBlock.Value = gameOver ? "GAME OVER" : "TAP TO START";
textBlock.SetFont(cache.GetFont(Assets.Fonts.Font), Application.Graphics.Width / 15);
Application.UI.Root.AddChild(textBlock);
menuTaskSource = new TaskCompletionSource <bool>();
finished = false;
await menuTaskSource.Task;
}
protected override async void OnUpdate(float timeStep)
{
if (finished)
{
return;
}
var input = Application.Input;
if (input.GetMouseButtonDown(MouseButton.Left) || input.NumTouches > 0)
{
finished = true;
Application.UI.Root.RemoveChild(textBlock, 0);
await bigAircraft.RunActionsAsync(new EaseIn(new MoveBy(1f, new Vector3(-10, -2, -10)), 3));
rotor.RemoveAllActions();
menuTaskSource.TrySetResult(true);
}
}
async void RotateBackground()
{
while (true)
{
// calculate positions using Law of sines
var x = BackgroundScale * (float)Math.Sin(MathHelper.DegreesToRadians(90 - BackgroundRotationX));
var y = BackgroundScale * (float)Math.Sin(MathHelper.DegreesToRadians(BackgroundRotationX)) + FlightHeight;
var moveTo = x + 1f; //a small adjusment to hide that gap between two tiles
var h = (float)Math.Tan(MathHelper.DegreesToRadians(BackgroundRotationX)) * moveTo;
await Task.WhenAll(frontTile.RunActionsAsync(new MoveBy(1 / BackgroundSpeed, new Vector3(0, -moveTo, -h))),
rearTile.RunActionsAsync(new MoveBy(1 / BackgroundSpeed, new Vector3(0, -moveTo, -h))));
//switch tiles
var tmp = frontTile;
frontTile = rearTile;
rearTile = tmp;
rearTile.Position = new Vector3(0, x, y);
}
}