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 + 0.7f * (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);
// Trace-effect using particles
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)), //collapse
new DelayTime(2f)); //a delay to leave the trace effect
//remove the missile from the scene.
bulletNode.Remove();
}
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);
bulletModelNode.SetScale(2f);
bulletModelNode.Rotate(new Quaternion(45, 0, 0), TransformSpace.Local);
bulletNode.SetScale(RandomHelper.NextRandom(0.15f, 0.2f));
// Trace-effect using particles
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);
//remove the missile from the scene.
bulletNode.Remove();
}
public override FiniteTimeAction Reverse ()
{
BezierConfig r;
r.EndPosition = -BezierConfig.EndPosition;
r.ControlPoint1 = BezierConfig.ControlPoint2 + -BezierConfig.EndPosition;
r.ControlPoint2 = BezierConfig.ControlPoint1 + -BezierConfig.EndPosition;
var action = new BezierBy (Duration, r);
return action;
}
public BezierToState(BezierBy action, Node target)
: base(action, target)
{
var config = BezierConfig;
config.ControlPoint1 -= StartPosition;
config.ControlPoint2 -= StartPosition;
config.EndPosition -= StartPosition;
BezierConfig = config;
}
public BezierToState (BezierBy action, Node target)
: base (action, target)
{
var config = BezierConfig;
config.ControlPoint1 -= StartPosition;
config.ControlPoint2 -= StartPosition;
config.EndPosition -= StartPosition;
BezierConfig = config;
}
public override FiniteTimeAction Reverse()
{
BezierConfig r;
r.EndPosition = -BezierConfig.EndPosition;
r.ControlPoint1 = BezierConfig.ControlPoint2 + -BezierConfig.EndPosition;
r.ControlPoint2 = BezierConfig.ControlPoint1 + -BezierConfig.EndPosition;
var action = new BezierBy(Duration, r);
return(action);
}
public BezierByState (BezierBy action, Node target)
: base (action, target)
{
BezierConfig = action.BezierConfig;
PreviousPosition = StartPosition = target.Position;
}
public BezierByState(BezierBy action, Node target)
: base(action, target)
{
BezierConfig = action.BezierConfig;
PreviousPosition = StartPosition = target.Position;
}