void WasHit()
{
if (isInvincible)
{
return;
}
isInvincible = true;
Character.Hit();
Character.Node.RunAction(SCNAction.Sequence(new [] {
SCNAction.PlayAudioSource(hitSound, false),
SCNAction.RepeatAction(SCNAction.Sequence(new [] {
SCNAction.FadeOpacityTo(.01f, 0.1),
SCNAction.FadeOpacityTo(1f, 0.1)
}), 7),
SCNAction.Run(_ => isInvincible = false)
}));
}
void StartGame()
{
if (!gameNodes.HasValue)
{
throw new InvalidProgramException("Nodes not set");
}
var startSequence = SCNAction.Sequence(new SCNAction [] {
// Wait for 1 second.
SCNAction.Wait(1),
SCNAction.Group(new SCNAction[] {
SCNAction.FadeIn(0.3),
// Start the game.
SCNAction.Run(node => {
if (!gameNodes.HasValue)
{
return;
}
var gNodes = gameNodes.Value;
var rnd = new Random();
// Compute a random orientation for the object3D.
var theta = (float)(Math.PI * rnd.NextDouble());
var phi = (float)(Math.Acos(2 * rnd.NextDouble() - 1) / NMath.PI);
var axis = new Vector3 {
X = (float)(Math.Cos(theta) * Math.Sin(phi)),
Y = (float)(Math.Sin(theta) * Math.Sin(phi)),
Z = (float)Math.Cos(theta)
};
var angle = (float)(2 * Math.PI * rnd.NextDouble());
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.3;
SCNTransaction.SetCompletionBlock(() => gameStarted = true);
gNodes.ObjectMaterial.Transparency = 1;
gNodes.Object.Transform = SCNMatrix4.CreateFromAxisAngle(axis, angle);
SCNTransaction.Commit();
})
})
});
gameNodes.Value.Object.RunAction(startSequence);
// Load and set the background image.
var backgroundImage = UIImage.FromBundle("art.scnassets/background.png");
sceneInterface.Scene.Background.Contents = backgroundImage;
// Hide particles, set camera projection to orthographic.
particleRemovalTimer?.Invalidate();
gameNodes.Value.CongratulationsLabel.RemoveFromParent();
gameNodes.Value.Confetti.Hidden = true;
gameNodes.Value.Camera.UsesOrthographicProjection = true;
// Reset the countdown.
countdown = 30;
gameNodes.Value.CountdownLabel.Text = countdown.ToString();
gameNodes.Value.CountdownLabel.FontColor = GameColors.DefaultFont;
gameNodes.Value.CountdownLabel.Position = new CGPoint(ContentFrame.Width / 2, ContentFrame.Height - 30);
textUpdateTimer?.Invalidate();
textUpdateTimer = NSTimer.CreateRepeatingScheduledTimer(1, UpdateText);
}
