protected override async Task OnFire(bool player) { var cache = Application.ResourceCache; var bulletNode = CreateRigidBullet(player); var bulletModelNode = bulletNode.CreateChild(); var model = bulletModelNode.CreateComponent <StaticModel>(); model.Model = cache.GetModel(Assets.Models.Box); model.SetMaterial(Material.FromImage(Assets.Textures.XamarinLogo)); bulletModelNode.SetScale(2f); bulletModelNode.Rotate(new Quaternion(45, 0, 0), TransformSpace.Local); bulletNode.SetScale(RandomHelper.NextRandom(0.15f, 0.2f)); // effetto traccia che usa le particelle var trace = bulletNode.CreateChild(); trace.SetScale(2f); var particleEmitter = trace.CreateComponent <ParticleEmitter2D>(); particleEmitter.Effect = cache.GetParticleEffect2D(Assets.Particles.Explosion); // Route (Bezier) float direction = player ? 1 : -1; var moveMissileAction = new BezierBy(3f, new BezierConfig { ControlPoint1 = new Vector3(0, 3f * direction, 0), ControlPoint2 = new Vector3(RandomHelper.NextRandom(-3f, 3f), 5 * direction, 0), EndPosition = new Vector3(0, 8 * direction, 0),//to launch "to" point }); var bulletRotationTask = bulletModelNode.RunActionsAsync(new RotateBy(3f, 0, 1000, 0)); var bulletMoveTask = bulletNode.RunActionsAsync(new EaseOut(moveMissileAction, 1), new DelayTime(2f)); //a delay to leave the trace effect await Task.WhenAll(bulletRotationTask, bulletMoveTask); // rimuovere il missile dalla scena bulletNode.Remove(); }
private async Task LaunchSingleMissile(bool left, bool player) { var cache = Application.ResourceCache; var carrier = Node; var carrierPos = carrier.Position; var bulletNode = CreateRigidBullet(player); bulletNode.Position = new Vector3(carrierPos.X + 0.4f * (left ? -1 : 1), carrierPos.Y + 0.3f, carrierPos.Z); var bulletModelNode = bulletNode.CreateChild(); bulletModelNode.Scale = new Vector3(1f, 2f, 1f) / 2.5f; bulletNode.SetScale(0.3f); // effetto traccia che usa le particelle bulletNode.CreateComponent <ParticleEmitter2D>().Effect = cache.GetParticleEffect2D(Assets.Particles.MissileTrace); bulletNode.CreateComponent <ParticleEmitter2D>().Effect = cache.GetParticleEffect2D(Assets.Particles.Explosion); // Route (Bezier) float directionY = player ? 1 : -1; float directionX = left ? -1 : 1; var moveMissileAction = new BezierBy(1.0f, new BezierConfig { ControlPoint1 = new Vector3(-directionX, 2f * directionY, 0), ControlPoint2 = new Vector3(RandomHelper.NextRandom(-2, 2) * directionX, 4 * directionY, 0), EndPosition = new Vector3(RandomHelper.NextRandom(-1, 1) * directionX, 12 * directionY, 0), }); await bulletNode.RunActionsAsync(new EaseIn(moveMissileAction, 1), // move new CallFunc(() => bulletNode.SetScale(0f)), // crollare new DelayTime(2f)); // un ritardo per lasciare l'effetto traccia // rimuovere il missile dalla scena bulletNode.Remove(); }