private void DestroyTarget()
{
Target.Opacity = 0;
var ps = SCNParticleSystem.Create("explosion", "Particles");
Target.AddParticleSystem(ps);
}
public MovingEntity()
: base(NSUrl.FromString(
NSBundle.MainBundle.BundleUrl.AbsoluteString + $"Models.scnassets/rc_car.dae"
))
{
_greyMaterial = new SCNMaterial();
_greyMaterial.Diffuse.Contents = UIImage.FromFile("Models.scnassets/rc_car_grey_texture.png");
_colorMaterial = new SCNMaterial();
_colorMaterial.Diffuse.Contents = UIImage.FromFile("Models.scnassets/rc_car_texture.png");
_exhaust = SCNParticleSystem.Create("Exhaust", "Models.scnassets");
_configuredBirthRate = _exhaust.BirthRate;
_exhaust.BirthRate = 0;
_exhaust.ParticleSize = _modelScale;
}
SCNNode CreateTorchNode()
{
SCNGeometry geometry = SCNBox.Create(20f, 100f, 20f, 0f);
geometry.FirstMaterial.Diffuse.Contents = AppKit.NSColor.Brown;
var template = new SCNNode {
Geometry = geometry
};
var particleEmitter = new SCNNode {
Position = new SCNVector3(0f, 50f, 0f)
};
SCNParticleSystem fire = GameSimulation.LoadParticleSystemWithName("torch", "spark");
particleEmitter.AddParticleSystem(fire);
particleEmitter.Light = TorchLight;
template.AddChildNode(particleEmitter);
return(template);
}
private void LoadParticles()
{
var particleScene = SCNScene.FromFile("art.scnassets/character/jump_dust.scn");
var particleNode = particleScene.RootNode.FindChildNode("particle", true);
this.jumpDustParticle = particleNode.ParticleSystems.FirstOrDefault();
particleScene = SCNScene.FromFile("art.scnassets/particles/burn.scn");
var burnParticleNode = particleScene.RootNode.FindChildNode("particles", true);
var particleEmitter = new SCNNode();
this.characterOrientation.AddChildNode(particleEmitter);
this.fireEmitter = burnParticleNode.FindChildNode("fire", true).ParticleSystems[0];
this.fireEmitterBirthRate = fireEmitter.BirthRate;
this.fireEmitter.BirthRate = 0f;
this.smokeEmitter = burnParticleNode.FindChildNode("smoke", true).ParticleSystems[0];
this.smokeEmitterBirthRate = smokeEmitter.BirthRate;
this.smokeEmitter.BirthRate = 0f;
this.whiteSmokeEmitter = burnParticleNode.FindChildNode("whiteSmoke", true).ParticleSystems[0];
this.whiteSmokeEmitterBirthRate = whiteSmokeEmitter.BirthRate;
this.whiteSmokeEmitter.BirthRate = 0f;
particleScene = SCNScene.FromFile("art.scnassets/particles/particles_spin.scn");
this.spinParticle = (particleScene.RootNode.FindChildNode("particles_spin", true)?.ParticleSystems?.FirstOrDefault());
this.spinCircleParticle = (particleScene.RootNode.FindChildNode("particles_spin_circle", true)?.ParticleSystems?.FirstOrDefault());
particleEmitter.Position = new SCNVector3(0f, 0.05f, 0f);
particleEmitter.AddParticleSystem(this.fireEmitter);
particleEmitter.AddParticleSystem(this.smokeEmitter);
particleEmitter.AddParticleSystem(this.whiteSmokeEmitter);
this.spinParticleAttach = this.model.FindChildNode("particles_spin_circle", true);
}
SCNNode CreateLargeBanana()
{
//Create model
if (largeBananaCollectable == null)
{
var node = GameSimulation.LoadNodeWithName("banana", GameSimulation.PathForArtResource("level/banana.dae"));
float scaleMode = 0.5f * 10 / 4;
node.Scale = new SCNVector3(scaleMode, scaleMode, scaleMode);
SCNSphere sphereGeometry = SCNSphere.Create(100);
SCNPhysicsShape physicsShape = SCNPhysicsShape.Create(sphereGeometry, new SCNPhysicsShapeOptions());
node.PhysicsBody = SCNPhysicsBody.CreateBody(SCNPhysicsBodyType.Kinematic, physicsShape);
// Only collide with player and ground
node.PhysicsBody.CollisionBitMask = GameCollisionCategory.Player | GameCollisionCategory.Ground;
// Declare self in the banana category
node.PhysicsBody.CategoryBitMask = GameCollisionCategory.Coin;
// Rotate forever.
SCNAction rotateCoin = SCNAction.RotateBy(0f, 8f, 0f, 2f);
SCNAction repeat = SCNAction.RepeatActionForever(rotateCoin);
node.Rotation = new SCNVector4(0f, 1f, 0f, (nfloat)Math.PI / 2);
node.RunAction(repeat);
largeBananaCollectable = node;
}
SCNNode nodeSparkle = largeBananaCollectable.Clone();
SCNParticleSystem newSystem = GameSimulation.LoadParticleSystemWithName("sparkle");
nodeSparkle.AddParticleSystem(newSystem);
return(nodeSparkle);
}
public override void AwakeFromNib ()
{
GameView = (GameView)View;
// Create a new scene.
SCNScene scene = SCNScene.FromFile ("game.scnassets/level.scn");
// Set the scene to the view and loops for the animation of the bamboos
GameView.Scene = scene;
GameView.Playing = true;
GameView.Loops = true;
Character = new Character ();
SetupCamera ();
SetupSounds ();
SetupMusic ();
// setup particles
collectParticles = SCNParticleSystem.Create ("collect.scnp", "game.scnassets");
collectParticles.ParticleImage = PathForArtResource ("textures/glow01.png");
collectParticles.Loops = false;
confetti = SCNParticleSystem.Create ("confetti.scnp", "game.scnassets");
confetti.ParticleImage = PathForArtResource ("textures/confetti.png");
// Add the character to the scene.
scene.RootNode.AddChildNode (Character.Node);
// Place it
SCNNode sp = scene.RootNode.FindChildNode ("startingPoint", true);
Character.Node.Transform = sp.Transform;
// Setup physics masks and physics shape
SCNNode[] collisionNodes = scene.RootNode.FindNodes ((SCNNode node, out bool stop) => {
bool? collidable = node.Name?.Contains ("collision");
stop = false;
return collidable.HasValue && collidable.Value;
});
foreach (SCNNode node in collisionNodes) {
node.Hidden = false;
SetupCollisionNodes (node);
}
// Setup physics masks and physics shape
flames = scene.RootNode.FindNodes ((SCNNode node, out bool stop) => {
stop = false;
if (node.Name == "flame") {
node.PhysicsBody.CategoryBitMask = (nuint)(int)Bitmask.Enemy;
return true;
}
return false;
});
enemies = scene.RootNode.FindNodes ((SCNNode node, out bool stop) => {
stop = false;
return node.Name == "enemy";
});
// Setup delegates
GameView.Scene.PhysicsWorld.ContactDelegate = this;
GameView.SceneRendererDelegate = this;
// setup view overlays
GameView.Setup ();
SetupAutomaticCameraPositions ();
}
private SCNNode SetupVehicle(SCNScene scene)
{
var carScene = SCNScene.FromFile("rc_car", ResourceManager.ResourceFolder, (NSDictionary)null);
var chassisNode = carScene.RootNode.FindChildNode("rccarBody", false);
chassisNode.Position = new SCNVector3(0f, 10f, 30f);
chassisNode.Rotation = new SCNVector4(0f, 1f, 0f, (float)Math.PI);
var body = SCNPhysicsBody.CreateDynamicBody();
body.AllowsResting = false;
body.Mass = 80f;
body.Restitution = 0.1f;
body.Friction = 0.5f;
body.RollingFriction = 0f;
chassisNode.PhysicsBody = body;
var frontCameraNode = SCNNode.Create();
frontCameraNode.Position = new SCNVector3(0f, 3.5f, 2.5f);
frontCameraNode.Rotation = new SCNVector4(0f, 1f, 0f, (float)Math.PI);
frontCameraNode.Camera = SCNCamera.Create();
frontCameraNode.Camera.XFov = 75f;
frontCameraNode.Camera.ZFar = 500f;
chassisNode.AddChildNode(frontCameraNode);
scene.RootNode.AddChildNode(chassisNode);
var pipeNode = chassisNode.FindChildNode("pipe", true);
reactor = SCNParticleSystem.Create("reactor", ResourceManager.ResourceFolder);
reactor.ParticleImage = ResourceManager.GetResourcePath("spark.png");
reactorDefaultBirthRate = reactor.BirthRate;
reactor.BirthRate = 0;
pipeNode.AddParticleSystem(reactor);
SCNNode wheel0Node = chassisNode.FindChildNode("wheelLocator_FL", true);
SCNNode wheel1Node = chassisNode.FindChildNode("wheelLocator_FR", true);
SCNNode wheel2Node = chassisNode.FindChildNode("wheelLocator_RL", true);
SCNNode wheel3Node = chassisNode.FindChildNode("wheelLocator_RR", true);
var wheel0 = SCNPhysicsVehicleWheel.Create(wheel0Node);
var wheel1 = SCNPhysicsVehicleWheel.Create(wheel1Node);
var wheel2 = SCNPhysicsVehicleWheel.Create(wheel2Node);
var wheel3 = SCNPhysicsVehicleWheel.Create(wheel3Node);
var min = SCNVector3.Zero;
var max = SCNVector3.Zero;
wheel0Node.GetBoundingBox(ref min, ref max);
float wheelHalfWidth = 0.5f * (max.X - min.X);
wheel0.ConnectionPosition = SCNVector3.Add(wheel0Node.ConvertPositionToNode(SCNVector3.Zero, chassisNode), new SCNVector3(wheelHalfWidth, 0f, 0f));
wheel1.ConnectionPosition = SCNVector3.Subtract(wheel1Node.ConvertPositionToNode(SCNVector3.Zero, chassisNode), new SCNVector3(wheelHalfWidth, 0f, 0f));
wheel2.ConnectionPosition = SCNVector3.Add(wheel2Node.ConvertPositionToNode(SCNVector3.Zero, chassisNode), new SCNVector3(wheelHalfWidth, 0f, 0f));
wheel3.ConnectionPosition = SCNVector3.Subtract(wheel3Node.ConvertPositionToNode(SCNVector3.Zero, chassisNode), new SCNVector3(wheelHalfWidth, 0f, 0f));
var vehicle = SCNPhysicsVehicle.Create(chassisNode.PhysicsBody,
new SCNPhysicsVehicleWheel[] { wheel0, wheel1, wheel2, wheel3 });
scene.PhysicsWorld.AddBehavior(vehicle);
this.vehicle = vehicle;
return(chassisNode);
}
private void AddTrainToScene(SCNScene scene, SCNVector3 position)
{
var max = SCNVector3.Zero;
var min = SCNVector3.Zero;
var trainScene = SCNScene.FromFile("train_flat", ResourceManager.ResourceFolder, (NSDictionary)null);
foreach (var node in trainScene.RootNode.ChildNodes)
{
if (node.Geometry != null)
{
node.Position = new SCNVector3(
node.Position.X + position.X,
node.Position.Y + position.Y,
node.Position.Z + position.Z
);
max = SCNVector3.Zero;
min = SCNVector3.Zero;
node.GetBoundingBox(ref min, ref max);
var body = SCNPhysicsBody.CreateDynamicBody();
var boxShape = new SCNBox {
Width = max.X - min.X,
Height = max.Y - min.Y,
Length = max.Z - min.Z,
ChamferRadius = 0f
};
body.PhysicsShape = SCNPhysicsShape.Create(boxShape, (NSDictionary)null);
node.Pivot = SCNMatrix4.CreateTranslation(0f, -min.Y, 0f);
node.PhysicsBody = body;
scene.RootNode.AddChildNode(node);
}
}
var smokeHandle = scene.RootNode.FindChildNode("Smoke", true);
var smokeParticleSystem = SCNParticleSystem.Create("smoke", ResourceManager.ResourceFolder);
smokeParticleSystem.ParticleImage = ResourceManager.GetResourcePath("smoke.png");
smokeHandle.AddParticleSystem(smokeParticleSystem);
var engineCar = scene.RootNode.FindChildNode("EngineCar", false);
var wagon1 = scene.RootNode.FindChildNode("Wagon1", false);
var wagon2 = scene.RootNode.FindChildNode("Wagon2", false);
max = SCNVector3.Zero;
min = SCNVector3.Zero;
engineCar.GetBoundingBox(ref min, ref max);
var wmax = SCNVector3.Zero;
var wmin = SCNVector3.Zero;
wagon1.GetBoundingBox(ref wmin, ref wmax);
var anchorA = new SCNVector3(max.X, min.Y, 0f);
var anchorB = new SCNVector3(wmin.X, wmin.Y, 0f);
var joint = SCNPhysicsBallSocketJoint.Create(engineCar.PhysicsBody, anchorA, wagon1.PhysicsBody, anchorB);
scene.PhysicsWorld.AddBehavior(joint);
joint = SCNPhysicsBallSocketJoint.Create(wagon1.PhysicsBody,
new SCNVector3(wmax.X + 0.1f, wmin.Y, 0f),
wagon2.PhysicsBody,
new SCNVector3(wmin.X - 0.1f, wmin.Y, 0f)
);
scene.PhysicsWorld.AddBehavior(joint);
}
private SCNNode SetupVehicle (SCNScene scene)
{
var carScene = SCNScene.FromFile ("rc_car", ResourceManager.ResourceFolder, (NSDictionary)null);
var chassisNode = carScene.RootNode.FindChildNode ("rccarBody", false);
chassisNode.Position = new SCNVector3 (0f, 10f, 30f);
chassisNode.Rotation = new SCNVector4 (0f, 1f, 0f, (float)Math.PI);
var body = SCNPhysicsBody.CreateDynamicBody ();
body.AllowsResting = false;
body.Mass = 80f;
body.Restitution = 0.1f;
body.Friction = 0.5f;
body.RollingFriction = 0f;
chassisNode.PhysicsBody = body;
var frontCameraNode = SCNNode.Create ();
frontCameraNode.Position = new SCNVector3 (0f, 3.5f, 2.5f);
frontCameraNode.Rotation = new SCNVector4 (0f, 1f, 0f, (float)Math.PI);
frontCameraNode.Camera = SCNCamera.Create ();
frontCameraNode.Camera.XFov = 75f;
frontCameraNode.Camera.ZFar = 500f;
chassisNode.AddChildNode (frontCameraNode);
scene.RootNode.AddChildNode (chassisNode);
var pipeNode = chassisNode.FindChildNode ("pipe", true);
reactor = SCNParticleSystem.Create ("reactor", ResourceManager.ResourceFolder);
reactor.ParticleImage = ResourceManager.GetResourcePath ("spark.png");
reactorDefaultBirthRate = reactor.BirthRate;
reactor.BirthRate = 0;
pipeNode.AddParticleSystem (reactor);
SCNNode wheel0Node = chassisNode.FindChildNode ("wheelLocator_FL", true);
SCNNode wheel1Node = chassisNode.FindChildNode ("wheelLocator_FR", true);
SCNNode wheel2Node = chassisNode.FindChildNode ("wheelLocator_RL", true);
SCNNode wheel3Node = chassisNode.FindChildNode ("wheelLocator_RR", true);
var wheel0 = SCNPhysicsVehicleWheel.Create (wheel0Node);
var wheel1 = SCNPhysicsVehicleWheel.Create (wheel1Node);
var wheel2 = SCNPhysicsVehicleWheel.Create (wheel2Node);
var wheel3 = SCNPhysicsVehicleWheel.Create (wheel3Node);
var min = SCNVector3.Zero;
var max = SCNVector3.Zero;
wheel0Node.GetBoundingBox (ref min, ref max);
float wheelHalfWidth = 0.5f * (max.X - min.X);
wheel0.ConnectionPosition = SCNVector3.Add (wheel0Node.ConvertPositionToNode (SCNVector3.Zero, chassisNode), new SCNVector3 (wheelHalfWidth, 0f, 0f));
wheel1.ConnectionPosition = SCNVector3.Subtract (wheel1Node.ConvertPositionToNode (SCNVector3.Zero, chassisNode), new SCNVector3 (wheelHalfWidth, 0f, 0f));
wheel2.ConnectionPosition = SCNVector3.Add (wheel2Node.ConvertPositionToNode (SCNVector3.Zero, chassisNode), new SCNVector3 (wheelHalfWidth, 0f, 0f));
wheel3.ConnectionPosition = SCNVector3.Subtract (wheel3Node.ConvertPositionToNode (SCNVector3.Zero, chassisNode), new SCNVector3 (wheelHalfWidth, 0f, 0f));
var vehicle = SCNPhysicsVehicle.Create (chassisNode.PhysicsBody,
new SCNPhysicsVehicleWheel[] { wheel0, wheel1, wheel2, wheel3 });
scene.PhysicsWorld.AddBehavior (vehicle);
this.vehicle = vehicle;
return chassisNode;
}
public override void PresentStep(int index, PresentationViewController presentationViewController)
{
switch (index)
{
case (int)ParticleSteps.Fire:
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.AddEmptyLine();
TextManager.AddBulletAtLevel("Particle Image", 0);
TextManager.AddBulletAtLevel("Color over life duration", 0);
TextManager.AddBulletAtLevel("Size over life duration", 0);
TextManager.AddBulletAtLevel("Several blend modes", 0);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
var hole = SCNNode.Create();
hole.Geometry = SCNTube.Create(1.7f, 1.9f, 1.5f);
hole.Position = new SCNVector3(0, 0, HOLE_Z);
hole.Scale = new SCNVector3(1, 0, 1);
GroundNode.AddChildNode(hole);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.5f;
hole.Scale = new SCNVector3(1, 1, 1);
SCNTransaction.Commit();
var ps = SCNParticleSystem.Create("fire", "Particles");
hole.AddParticleSystem(ps);
Hole = hole;
break;
case (int)ParticleSteps.FireScreen:
ps = Hole.ParticleSystems [0];
ps.BlendMode = SCNParticleBlendMode.Screen;
break;
case (int)ParticleSteps.Local:
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.AddBulletAtLevel("Local vs Global", 0);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
Hole.RemoveAllParticleSystems();
Hole2 = Hole.Clone();
Hole2.Geometry = (SCNGeometry)Hole.Geometry.Copy();
Hole2.Position = new SCNVector3(0, -2, HOLE_Z - 4);
GroundNode.AddChildNode(Hole2);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.5;
Hole2.Position = new SCNVector3(0, 0, HOLE_Z - 4);
SCNTransaction.Commit();
ps = SCNParticleSystem.Create("reactor", "Particles");
ps.ParticleColorVariation = new SCNVector4(0, 0, 0.5f, 0);
Hole.AddParticleSystem(ps);
var localPs = (SCNParticleSystem)ps.Copy();
localPs.ParticleImage = ps.ParticleImage;
localPs.Local = true;
Hole2.AddParticleSystem(localPs);
var animation = CABasicAnimation.FromKeyPath("position");
animation.From = NSValue.FromVector(new SCNVector3(7, 0, HOLE_Z));
animation.To = NSValue.FromVector(new SCNVector3(-7, 0, HOLE_Z));
animation.BeginTime = CAAnimation.CurrentMediaTime() + 0.75;
animation.Duration = 8;
animation.AutoReverses = true;
animation.RepeatCount = float.MaxValue;
animation.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseInEaseOut);
animation.TimeOffset = animation.Duration / 2;
Hole.AddAnimation(animation, new NSString("animateHole"));
animation = CABasicAnimation.FromKeyPath("position");
animation.From = NSValue.FromVector(new SCNVector3(-7, 0, HOLE_Z - 4));
animation.To = NSValue.FromVector(new SCNVector3(7, 0, HOLE_Z - 4));
animation.BeginTime = CAAnimation.CurrentMediaTime() + 0.75;
animation.Duration = 8;
animation.AutoReverses = true;
animation.RepeatCount = float.MaxValue;
animation.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseInEaseOut);
animation.TimeOffset = animation.Duration / 2;
Hole2.AddAnimation(animation, new NSString("animateHole"));
break;
case (int)ParticleSteps.Gravity:
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.AddBulletAtLevel("Affected by gravity", 0);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
Hole2.RemoveAllParticleSystems();
Hole2.RunAction(SCNAction.Sequence(new SCNAction[] {
SCNAction.ScaleTo(0, 0.5),
SCNAction.RemoveFromParentNode()
}));
Hole.RemoveAllParticleSystems();
Hole.RemoveAnimation(new NSString("animateHole"), 0.5f);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.5;
var tube = (SCNTube)Hole.Geometry;
tube.InnerRadius = 0.3f;
tube.OuterRadius = 0.4f;
tube.Height = 1.0f;
SCNTransaction.Commit();
ps = SCNParticleSystem.Create("sparks", "Particles");
Hole.RemoveAllParticleSystems();
Hole.AddParticleSystem(ps);
foreach (var child in ((SCNView)presentationViewController.View).Scene.RootNode.ChildNodes)
{
if (child.Geometry != null)
{
if (child.Geometry.GetType() == typeof(SCNFloor))
{
FloorNode = child;
}
}
}
/*FloorNode = ((SCNView)presentationViewController.View).Scene.RootNode.FindNodes ((SCNNode child, out bool stop) => {
* stop = false;
* if (child.Geometry != null)
* stop = (child.Geometry.GetType () == typeof(SCNFloor));
* return stop;
* });*/
/*FloorNode = [presentationViewController.view.scene.rootNode childNodesPassingTest:^BOOL(SCNNode *child, BOOL *stop) {
* return [child.geometry isKindOfClass:[SCNFloor class]];
* }][0];*/
ps.ColliderNodes = new SCNNode[] { FloorNode };
break;
case (int)ParticleSteps.Collider:
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.AddBulletAtLevel("Affected by colliders", 0);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
var boxNode = SCNNode.Create();
boxNode.Geometry = SCNBox.Create(5, 0.2f, 5, 0);
boxNode.Position = new SCNVector3(0, 7, HOLE_Z);
boxNode.Geometry.FirstMaterial.Emission.Contents = NSColor.DarkGray;
GroundNode.AddChildNode(boxNode);
ps = Hole.ParticleSystems [0];
ps.ColliderNodes = new SCNNode[] { FloorNode, boxNode };
animation = CABasicAnimation.FromKeyPath("eulerAngles");
animation.From = NSValue.FromVector(new SCNVector3(0, 0, NMath.PI / 4 * 1.7f));
animation.To = NSValue.FromVector(new SCNVector3(0, 0, -NMath.PI / 4 * 1.7f));
animation.BeginTime = CAAnimation.CurrentMediaTime() + 0.5;
animation.Duration = 2;
animation.AutoReverses = true;
animation.RepeatCount = float.MaxValue;
animation.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseInEaseOut);
animation.TimeOffset = animation.Duration / 2;
boxNode.AddAnimation(animation, new NSString("animateHole"));
BoxNode = boxNode;
break;
case (int)ParticleSteps.Fields:
Hole.RemoveAllParticleSystems();
Hole.RunAction(SCNAction.Sequence(new SCNAction[] {
SCNAction.ScaleTo(0, 0.75),
SCNAction.RemoveFromParentNode()
}));
BoxNode.RunAction(SCNAction.Sequence(new SCNAction[] {
SCNAction.MoveBy(0, 15, 0, 1.0),
SCNAction.RemoveFromParentNode()
}));
var particleHolder = SCNNode.Create();
particleHolder.Position = new SCNVector3(0, 20, HOLE_Z);
GroundNode.AddChildNode(particleHolder);
ParticleHolder = particleHolder;
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.AddBulletAtLevel("Affected by physics fields", 0);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
ps = SCNParticleSystem.Create("snow", "Particles");
ps.AffectedByPhysicsFields = true;
ParticleHolder.AddParticleSystem(ps);
Snow = ps;
//physics field
var field = SCNPhysicsField.CreateTurbulenceField(50, 1);
field.HalfExtent = new SCNVector3(20, 20, 20);
field.Strength = 4.0f;
var fieldOwner = SCNNode.Create();
fieldOwner.Position = new SCNVector3(0, 5, HOLE_Z);
GroundNode.AddChildNode(fieldOwner);
fieldOwner.PhysicsField = field;
FieldOwner = fieldOwner;
ps.ColliderNodes = new SCNNode[] { FloorNode };
break;
case (int)ParticleSteps.FieldsVortex:
VortexFieldOwner = SCNNode.Create();
VortexFieldOwner.Position = new SCNVector3(0, 5, HOLE_Z);
GroundNode.AddChildNode(VortexFieldOwner);
//tornado
var worldOrigin = new SCNVector3(FieldOwner.WorldTransform.M41, FieldOwner.WorldTransform.M42, FieldOwner.WorldTransform.M43);
var worldAxis = new SCNVector3(0, 1, 0);
var vortex = SCNPhysicsField.CustomField((SCNVector3 position, SCNVector3 velocity, float mass, float charge, double timeInSeconds) => {
var l = new SCNVector3();
l.X = worldOrigin.X - position.X;
l.Z = worldOrigin.Z - position.Z;
SCNVector3 t = Cross(worldAxis, l);
var d2 = (l.X * l.X + l.Z * l.Z);
var vs = (nfloat)(VS / Math.Sqrt(d2));
var fy = (nfloat)(1.0 - (Math.Min(1.0, (position.Y / 15.0))));
return(new SCNVector3(t.X * vs + l.X * (nfloat)VW * fy, 0, t.Z * vs + l.Z * (nfloat)VW * fy));
});
vortex.HalfExtent = new SCNVector3(100, 100, 100);
VortexFieldOwner.PhysicsField = vortex;
break;
case (int)ParticleSteps.SubSystems:
FieldOwner.RemoveFromParentNode();
ParticleHolder.RemoveAllParticleSystems();
Snow.DampingFactor = -1;
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.AddBulletAtLevel("Sub-particle system on collision", 0);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
ps = SCNParticleSystem.Create("rain", "Particles");
var pss = SCNParticleSystem.Create("plok", "Particles");
pss.IdleDuration = 0;
pss.Loops = false;
ps.SystemSpawnedOnCollision = pss;
ParticleHolder.AddParticleSystem(ps);
ps.ColliderNodes = new SCNNode[] { FloorNode };
break;
case (int)ParticleSteps.Confetti:
ParticleHolder.RemoveAllParticleSystems();
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.AddBulletAtLevel("Custom blocks", 0);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
ps = SCNParticleSystem.Create();
ps.EmitterShape = SCNBox.Create(20, 9, 5, 0);
ps.BirthRate = 100;
ps.ParticleLifeSpan = 10;
ps.ParticleLifeSpanVariation = 0;
ps.SpreadingAngle = 20;
ps.ParticleSize = 0.25f;
ps.ParticleVelocity = 10;
ps.ParticleVelocityVariation = 19;
ps.BirthDirection = SCNParticleBirthDirection.Constant;
ps.EmittingDirection = new SCNVector3(0, -1, 0);
ps.BirthLocation = SCNParticleBirthLocation.Volume;
ps.ParticleImage = new NSImage(NSBundle.MainBundle.PathForResource("Particles/confetti", "png"));
ps.LightingEnabled = true;
ps.OrientationMode = SCNParticleOrientationMode.Free;
ps.SortingMode = SCNParticleSortingMode.Distance;
ps.ParticleAngleVariation = 180;
ps.ParticleAngularVelocity = 200;
ps.ParticleAngularVelocityVariation = 400;
ps.ParticleColor = NSColor.Green;
ps.ParticleColorVariation = new SCNVector4(0.2f, 0.1f, 0.1f, 0);
ps.ParticleBounce = 0;
ps.ParticleFriction = 0.6f;
ps.ColliderNodes = new SCNNode[] { FloorNode };
ps.BlendMode = SCNParticleBlendMode.Alpha;
var floatAnimation = CAKeyFrameAnimation.FromKeyPath("");
floatAnimation.Values = new NSNumber[] { 1, 1, 0 };
floatAnimation.KeyTimes = new NSNumber[] { 0, 0.9f, 1 };
floatAnimation.Duration = 1.0f;
floatAnimation.Additive = false;
//ps.PropertyControllers = @{ SCNParticlePropertyOpacity: [SCNParticlePropertyController controllerWithAnimation:floatAnimation] };
//ps.HandleEvent (SCNParticleEvent.Birth,
/*[ps handleEvent:SCNParticleEventBirth forProperties:@[SCNParticlePropertyColor] withBlock:^(void **data, size_t *dataStride, uint32_t *indices , NSInteger count) {
*
* for (int i = 0; i < count; ++i) {
* var col = (float *)((char *)data[0] + dataStride[0] * i);
* if (rand() & 0x1) { // swith green for red
* col[0] = col[1];
* col[1] = 0;
* }
*
* }
* }];*/
/*[ps handleEvent:SCNParticleEventCollision forProperties:@[SCNParticlePropertyAngle, SCNParticlePropertyRotationAxis, SCNParticlePropertyAngularVelocity, SCNParticlePropertyVelocity, SCNParticlePropertyContactNormal] withBlock:^(void **data, size_t *dataStride, uint32_t *indices , NSInteger count) {
*
* for (NSInteger i = 0; i < count; ++i) {
* // fix orientation
* float *angle = (float *)((char *)data[0] + dataStride[0] * indices[i]);
* float *axis = (float *)((char *)data[1] + dataStride[1] * indices[i]);
*
* float *colNrm = (float *)((char *)data[4] + dataStride[4] * indices[i]);
* SCNVector3 collisionNormal = {colNrm[0], colNrm[1], colNrm[2]};
* SCNVector3 cp = SCNVector3CrossProduct(collisionNormal, SCNVector3Make(0, 0, 1));
* CGFloat cpLen = SCNVector3Length(cp);
* angle[0] = asin(cpLen);
*
* axis[0] = cp.x / cpLen;
* axis[1] = cp.y / cpLen;
* axis[2] = cp.z / cpLen;
*
* // kill angular rotation
* float *angVel = (float *)((char *)data[2] + dataStride[2] * indices[i]);
* angVel[0] = 0;
*
* if (colNrm[1] > 0.4) {
* float *vel = (float *)((char *)data[3] + dataStride[3] * indices[i]);
* vel[0] = 0;
* vel[1] = 0;
* vel[2] = 0;
* }
* }
* }];*/
ParticleHolder.AddParticleSystem(ps);
break;
case (int)ParticleSteps.EmitterCube:
ParticleHolder.RemoveAllParticleSystems();
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.AddBulletAtLevel("Emitter shape", 0);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
ParticleHolder.RemoveFromParentNode();
ps = SCNParticleSystem.Create("emitters", "Particles");
ps.Local = true;
ParticleHolder.AddParticleSystem(ps);
var node = SCNNode.Create();
node.Position = new SCNVector3(3, 6, HOLE_Z);
node.RunAction(SCNAction.RepeatActionForever(SCNAction.RotateBy(NMath.PI * 2, new SCNVector3(0.3f, 1, 0), 8)));
GroundNode.AddChildNode(node);
Bokeh = ps;
node.AddParticleSystem(ps);
break;
case (int)ParticleSteps.EmitterSphere:
Bokeh.EmitterShape = SCNSphere.Create(5);
break;
case (int)ParticleSteps.EmitterTorus:
Bokeh.EmitterShape = SCNTorus.Create(5, 1);
break;
}
}
//present particle slide
void ShowParticlesSlide ()
{
//restore defaults
((SCNView)View).Scene.PhysicsWorld.Gravity = new SCNVector3 (0, -9.8f, 0);
//add truck
var fireTruckScene = SCNScene.FromFile ("assets.scnassets/models/firetruck");
var fireTruck = fireTruckScene.RootNode.FindChildNode ("firetruck", true);
var emitter = fireTruck.FindChildNode ("emitter", true);
Handle = fireTruck.FindChildNode ("handle", true);
fireTruck.Position = new SCNVector3 (120, 10, 0);
fireTruck.Scale = new SCNVector3 (0.2f, 0.2f, 0.2f);
fireTruck.Rotation = new SCNVector4 (0, 1, 0, (float)Math.PI / 2);
Scene.RootNode.AddChildNode (fireTruck);
//add fire container
var fireContainerScene = SCNScene.FromFile ("assets.scnassets/models/bac");
FireContainer = fireContainerScene.RootNode.FindChildNode ("box", true);
FireContainer.Scale = new SCNVector3 (0.5f, 0.25f, 0.25f);
Scene.RootNode.AddChildNode (FireContainer);
//preload it to avoid frame drop
//(SCNView)this.View prepareObject:_scene shouldAbortBlock:nil];
FireTruck = fireTruck;
//collider
var colliderNode = SCNNode.Create ();
colliderNode.Geometry = SCNBox.Create (50, 2, 25, 0);
#if __IOS__
colliderNode.Geometry.FirstMaterial.Diffuse.Contents = new UIImage ("assets.scnassets/models/train_wood.jpg");
#else
colliderNode.Geometry.FirstMaterial.Diffuse.Contents = new NSImage (NSBundle.MainBundle.PathForResource ("assets.scnassets/textures/train_wood", "jpg"));
#endif
colliderNode.Position = new SCNVector3 (60, 260, 5);
Scene.RootNode.AddChildNode (colliderNode);
var moveIn = SCNAction.MoveBy (0, -215, 0, 1.0);
moveIn.TimingMode = SCNActionTimingMode.EaseOut;
colliderNode.RunAction (SCNAction.Sequence (new [] { SCNAction.Wait (2), moveIn }));
var animation = CABasicAnimation.FromKeyPath ("eulerAngles");
animation.From = NSValue.FromVector (new SCNVector3 (0, 0, 0));
animation.To = NSValue.FromVector (new SCNVector3 (0, 0, 2 * (float)Math.PI));
animation.BeginTime = CAAnimation.CurrentMediaTime () + 0.5f;
animation.Duration = 2;
animation.RepeatCount = float.MaxValue;
colliderNode.AddAnimation (animation, null);
Collider = colliderNode;
SCNParticleSystem ps;
//add fire
var fireHolder = SCNNode.Create ();
Emitter = fireHolder;
fireHolder.Position = new SCNVector3 (0, 0, 0);
ps = SCNParticleSystem.Create ("fire.scnp", "assets.scnassets/particles/");
ps.ParticleImage = new NSString ("assets.scnassets/textures/fire.png");
Smoke = SCNParticleSystem.Create ("smoke.scnp", "assets.scnassets/particles/");
Smoke.ParticleImage = new NSString ("assets.scnassets/textures/smoke.png");
Smoke.BirthRate = 0;
fireHolder.AddParticleSystem (ps);
var smokeEmitter = SCNNode.Create ();
smokeEmitter.Position = new SCNVector3 (0, 0, 0.5f);
smokeEmitter.AddParticleSystem (Smoke);
fireHolder.AddChildNode (smokeEmitter);
Scene.RootNode.AddChildNode (fireHolder);
Fire = ps;
//add water
ps = SCNParticleSystem.Create ("sparks.scnp", "assets.scnassets/particles/");
ps.ParticleImage = new NSString ("assets.scnassets/textures/spark.png");
ps.BirthRate = 0;
ps.SpeedFactor = 3.0f;
ps.ColliderNodes = new [] { FloorNode, colliderNode };
emitter.AddParticleSystem (ps);
var tr = SCNAction.MoveBy (new SCNVector3 (60, 0, 0), 1);
tr.TimingMode = SCNActionTimingMode.EaseInEaseOut;
}
//present spritekit integration slide
void ShowSpriteKitSlide ()
{
//place camera
SCNTransaction.Begin ();
SCNTransaction.AnimationDuration = 2;
CameraHandle.Position = new SCNVector3 (CameraHandle.Position.X + 200, 60, 0);
SCNTransaction.Commit ();
//load plok particles
Plok = SCNParticleSystem.Create ("plok.scnp", "assets.scnassets/particles");
//create a spinning object
Torus = SCNNode.Create ();
Torus.Position = new SCNVector3 (CameraHandle.Position.X, 60, 10);
Torus.Geometry = SCNTorus.Create (W / 2, W / 6);
Torus.PhysicsBody = SCNPhysicsBody.CreateStaticBody ();
Torus.Opacity = 0.0f;
var material = Torus.Geometry.FirstMaterial;
material.Specular.Contents = SKColorHelper.FromCommonWhiteAlpha (0.5f, 1);
material.Shininess = 2.0f;
#if __IOS__
material.Normal.Contents = new UIImage ("images/wood-normal.png");
#else
material.Normal.Contents = new NSImage (NSBundle.MainBundle.PathForResource ("images/wood-normal", "png"));
#endif
Scene.RootNode.AddChildNode (Torus);
Torus.RunAction (SCNAction.RepeatActionForever (SCNAction.RotateBy (NMath.PI * 2, new SCNVector3 (0.4f, 1, 0), 8)));
//preload it to avoid frame drop
//[(SCNView*)self.view prepareObject:_scene shouldAbortBlock:nil];
Scene.PhysicsWorld.WeakContactDelegate = this;
//setup material
var skScene = SKScene.FromSize (new CGSize (SPRITE_SIZE, SPRITE_SIZE));
skScene.BackgroundColor = SKColor.White;
material.Diffuse.Contents = skScene;
SCNTransaction.Begin ();
SCNTransaction.AnimationDuration = 1;
SCNTransaction.SetCompletionBlock (StartLaunchingColors);
Torus.Opacity = 1.0f;
SCNTransaction.Commit ();
}
public override void PresentStep (int index, PresentationViewController presentationViewController)
{
switch (index) {
case (int)ParticleSteps.Fire:
TextManager.FlipOutText (SlideTextManager.TextType.Bullet);
TextManager.AddEmptyLine ();
TextManager.AddBulletAtLevel ("Particle Image", 0);
TextManager.AddBulletAtLevel ("Color over life duration", 0);
TextManager.AddBulletAtLevel ("Size over life duration", 0);
TextManager.AddBulletAtLevel ("Several blend modes", 0);
TextManager.FlipInText (SlideTextManager.TextType.Bullet);
var hole = SCNNode.Create ();
hole.Geometry = SCNTube.Create (1.7f, 1.9f, 1.5f);
hole.Position = new SCNVector3 (0, 0, HOLE_Z);
hole.Scale = new SCNVector3 (1, 0, 1);
GroundNode.AddChildNode (hole);
SCNTransaction.Begin ();
SCNTransaction.AnimationDuration = 0.5f;
hole.Scale = new SCNVector3 (1, 1, 1);
SCNTransaction.Commit ();
var ps = SCNParticleSystem.Create ("fire", "Particles");
hole.AddParticleSystem (ps);
Hole = hole;
break;
case (int)ParticleSteps.FireScreen:
ps = Hole.ParticleSystems [0];
ps.BlendMode = SCNParticleBlendMode.Screen;
break;
case (int)ParticleSteps.Local:
TextManager.FlipOutText (SlideTextManager.TextType.Bullet);
TextManager.AddBulletAtLevel ("Local vs Global", 0);
TextManager.FlipInText (SlideTextManager.TextType.Bullet);
Hole.RemoveAllParticleSystems ();
Hole2 = Hole.Clone ();
Hole2.Geometry = (SCNGeometry)Hole.Geometry.Copy ();
Hole2.Position = new SCNVector3 (0, -2, HOLE_Z - 4);
GroundNode.AddChildNode (Hole2);
SCNTransaction.Begin ();
SCNTransaction.AnimationDuration = 0.5;
Hole2.Position = new SCNVector3 (0, 0, HOLE_Z - 4);
SCNTransaction.Commit ();
ps = SCNParticleSystem.Create ("reactor", "Particles");
ps.ParticleColorVariation = new SCNVector4 (0, 0, 0.5f, 0);
Hole.AddParticleSystem (ps);
var localPs = (SCNParticleSystem)ps.Copy ();
localPs.ParticleImage = ps.ParticleImage;
localPs.Local = true;
Hole2.AddParticleSystem (localPs);
var animation = CABasicAnimation.FromKeyPath ("position");
animation.From = NSValue.FromVector (new SCNVector3 (7, 0, HOLE_Z));
animation.To = NSValue.FromVector (new SCNVector3 (-7, 0, HOLE_Z));
animation.BeginTime = CAAnimation.CurrentMediaTime () + 0.75;
animation.Duration = 8;
animation.AutoReverses = true;
animation.RepeatCount = float.MaxValue;
animation.TimingFunction = CAMediaTimingFunction.FromName (CAMediaTimingFunction.EaseInEaseOut);
animation.TimeOffset = animation.Duration / 2;
Hole.AddAnimation (animation, new NSString ("animateHole"));
animation = CABasicAnimation.FromKeyPath ("position");
animation.From = NSValue.FromVector (new SCNVector3 (-7, 0, HOLE_Z - 4));
animation.To = NSValue.FromVector (new SCNVector3 (7, 0, HOLE_Z - 4));
animation.BeginTime = CAAnimation.CurrentMediaTime () + 0.75;
animation.Duration = 8;
animation.AutoReverses = true;
animation.RepeatCount = float.MaxValue;
animation.TimingFunction = CAMediaTimingFunction.FromName (CAMediaTimingFunction.EaseInEaseOut);
animation.TimeOffset = animation.Duration / 2;
Hole2.AddAnimation (animation, new NSString ("animateHole"));
break;
case (int)ParticleSteps.Gravity:
TextManager.FlipOutText (SlideTextManager.TextType.Bullet);
TextManager.AddBulletAtLevel ("Affected by gravity", 0);
TextManager.FlipInText (SlideTextManager.TextType.Bullet);
Hole2.RemoveAllParticleSystems ();
Hole2.RunAction (SCNAction.Sequence (new SCNAction[] {
SCNAction.ScaleTo (0, 0.5),
SCNAction.RemoveFromParentNode ()
}));
Hole.RemoveAllParticleSystems ();
Hole.RemoveAnimation (new NSString ("animateHole"), 0.5f);
SCNTransaction.Begin ();
SCNTransaction.AnimationDuration = 0.5;
var tube = (SCNTube)Hole.Geometry;
tube.InnerRadius = 0.3f;
tube.OuterRadius = 0.4f;
tube.Height = 1.0f;
SCNTransaction.Commit ();
ps = SCNParticleSystem.Create ("sparks", "Particles");
Hole.RemoveAllParticleSystems ();
Hole.AddParticleSystem (ps);
foreach (var child in ((SCNView)presentationViewController.View).Scene.RootNode.ChildNodes) {
if (child.Geometry != null) {
if (child.Geometry.GetType () == typeof(SCNFloor))
FloorNode = child;
}
}
/*FloorNode = ((SCNView)presentationViewController.View).Scene.RootNode.FindNodes ((SCNNode child, out bool stop) => {
stop = false;
if (child.Geometry != null)
stop = (child.Geometry.GetType () == typeof(SCNFloor));
return stop;
});*/
/*FloorNode = [presentationViewController.view.scene.rootNode childNodesPassingTest:^BOOL(SCNNode *child, BOOL *stop) {
return [child.geometry isKindOfClass:[SCNFloor class]];
}][0];*/
ps.ColliderNodes = new SCNNode[] { FloorNode };
break;
case (int)ParticleSteps.Collider:
TextManager.FlipOutText (SlideTextManager.TextType.Bullet);
TextManager.AddBulletAtLevel ("Affected by colliders", 0);
TextManager.FlipInText (SlideTextManager.TextType.Bullet);
var boxNode = SCNNode.Create ();
boxNode.Geometry = SCNBox.Create (5, 0.2f, 5, 0);
boxNode.Position = new SCNVector3 (0, 7, HOLE_Z);
boxNode.Geometry.FirstMaterial.Emission.Contents = NSColor.DarkGray;
GroundNode.AddChildNode (boxNode);
ps = Hole.ParticleSystems [0];
ps.ColliderNodes = new SCNNode[] { FloorNode, boxNode };
animation = CABasicAnimation.FromKeyPath ("eulerAngles");
animation.From = NSValue.FromVector (new SCNVector3 (0, 0, NMath.PI / 4 * 1.7f));
animation.To = NSValue.FromVector (new SCNVector3 (0, 0, -NMath.PI / 4 * 1.7f));
animation.BeginTime = CAAnimation.CurrentMediaTime () + 0.5;
animation.Duration = 2;
animation.AutoReverses = true;
animation.RepeatCount = float.MaxValue;
animation.TimingFunction = CAMediaTimingFunction.FromName (CAMediaTimingFunction.EaseInEaseOut);
animation.TimeOffset = animation.Duration / 2;
boxNode.AddAnimation (animation, new NSString ("animateHole"));
BoxNode = boxNode;
break;
case (int)ParticleSteps.Fields:
Hole.RemoveAllParticleSystems ();
Hole.RunAction (SCNAction.Sequence (new SCNAction[] {
SCNAction.ScaleTo (0, 0.75),
SCNAction.RemoveFromParentNode ()
}));
BoxNode.RunAction (SCNAction.Sequence (new SCNAction[] {
SCNAction.MoveBy (0, 15, 0, 1.0),
SCNAction.RemoveFromParentNode ()
}));
var particleHolder = SCNNode.Create ();
particleHolder.Position = new SCNVector3 (0, 20, HOLE_Z);
GroundNode.AddChildNode (particleHolder);
ParticleHolder = particleHolder;
TextManager.FlipOutText (SlideTextManager.TextType.Bullet);
TextManager.AddBulletAtLevel ("Affected by physics fields", 0);
TextManager.FlipInText (SlideTextManager.TextType.Bullet);
ps = SCNParticleSystem.Create ("snow", "Particles");
ps.AffectedByPhysicsFields = true;
ParticleHolder.AddParticleSystem (ps);
Snow = ps;
//physics field
var field = SCNPhysicsField.CreateTurbulenceField (50, 1);
field.HalfExtent = new SCNVector3 (20, 20, 20);
field.Strength = 4.0f;
var fieldOwner = SCNNode.Create ();
fieldOwner.Position = new SCNVector3 (0, 5, HOLE_Z);
GroundNode.AddChildNode (fieldOwner);
fieldOwner.PhysicsField = field;
FieldOwner = fieldOwner;
ps.ColliderNodes = new SCNNode[] { FloorNode };
break;
case (int)ParticleSteps.FieldsVortex:
VortexFieldOwner = SCNNode.Create ();
VortexFieldOwner.Position = new SCNVector3 (0, 5, HOLE_Z);
GroundNode.AddChildNode (VortexFieldOwner);
//tornado
var worldOrigin = new SCNVector3 (FieldOwner.WorldTransform.M41, FieldOwner.WorldTransform.M42, FieldOwner.WorldTransform.M43);
var worldAxis = new SCNVector3 (0, 1, 0);
var vortex = SCNPhysicsField.CustomField ((SCNVector3 position, SCNVector3 velocity, float mass, float charge, double timeInSeconds) => {
var l = new SCNVector3 ();
l.X = worldOrigin.X - position.X;
l.Z = worldOrigin.Z - position.Z;
SCNVector3 t = Cross (worldAxis, l);
var d2 = (l.X * l.X + l.Z * l.Z);
var vs = (nfloat)(VS / Math.Sqrt (d2));
var fy = (nfloat)(1.0 - (Math.Min (1.0, (position.Y / 15.0))));
return new SCNVector3 (t.X * vs + l.X * (nfloat)VW * fy, 0, t.Z * vs + l.Z * (nfloat)VW * fy);
});
vortex.HalfExtent = new SCNVector3 (100, 100, 100);
VortexFieldOwner.PhysicsField = vortex;
break;
case (int)ParticleSteps.SubSystems:
FieldOwner.RemoveFromParentNode ();
ParticleHolder.RemoveAllParticleSystems ();
Snow.DampingFactor = -1;
TextManager.FlipOutText (SlideTextManager.TextType.Bullet);
TextManager.AddBulletAtLevel ("Sub-particle system on collision", 0);
TextManager.FlipInText (SlideTextManager.TextType.Bullet);
ps = SCNParticleSystem.Create ("rain", "Particles");
var pss = SCNParticleSystem.Create ("plok", "Particles");
pss.IdleDuration = 0;
pss.Loops = false;
ps.SystemSpawnedOnCollision = pss;
ParticleHolder.AddParticleSystem (ps);
ps.ColliderNodes = new SCNNode[] { FloorNode };
break;
case (int)ParticleSteps.Confetti:
ParticleHolder.RemoveAllParticleSystems ();
TextManager.FlipOutText (SlideTextManager.TextType.Bullet);
TextManager.AddBulletAtLevel ("Custom blocks", 0);
TextManager.FlipInText (SlideTextManager.TextType.Bullet);
ps = SCNParticleSystem.Create ();
ps.EmitterShape = SCNBox.Create (20, 9, 5, 0);
ps.BirthRate = 100;
ps.ParticleLifeSpan = 10;
ps.ParticleLifeSpanVariation = 0;
ps.SpreadingAngle = 20;
ps.ParticleSize = 0.25f;
ps.ParticleVelocity = 10;
ps.ParticleVelocityVariation = 19;
ps.BirthDirection = SCNParticleBirthDirection.Constant;
ps.EmittingDirection = new SCNVector3 (0, -1, 0);
ps.BirthLocation = SCNParticleBirthLocation.Volume;
ps.ParticleImage = new NSImage (NSBundle.MainBundle.PathForResource ("Particles/confetti", "png"));
ps.LightingEnabled = true;
ps.OrientationMode = SCNParticleOrientationMode.Free;
ps.SortingMode = SCNParticleSortingMode.Distance;
ps.ParticleAngleVariation = 180;
ps.ParticleAngularVelocity = 200;
ps.ParticleAngularVelocityVariation = 400;
ps.ParticleColor = NSColor.Green;
ps.ParticleColorVariation = new SCNVector4 (0.2f, 0.1f, 0.1f, 0);
ps.ParticleBounce = 0;
ps.ParticleFriction = 0.6f;
ps.ColliderNodes = new SCNNode[] { FloorNode };
ps.BlendMode = SCNParticleBlendMode.Alpha;
var floatAnimation = CAKeyFrameAnimation.FromKeyPath ("");
floatAnimation.Values = new NSNumber[] { 1, 1, 0 };
floatAnimation.KeyTimes = new NSNumber[] { 0, 0.9f, 1 };
floatAnimation.Duration = 1.0f;
floatAnimation.Additive = false;
//ps.PropertyControllers = @{ SCNParticlePropertyOpacity: [SCNParticlePropertyController controllerWithAnimation:floatAnimation] };
//ps.HandleEvent (SCNParticleEvent.Birth,
/*[ps handleEvent:SCNParticleEventBirth forProperties:@[SCNParticlePropertyColor] withBlock:^(void **data, size_t *dataStride, uint32_t *indices , NSInteger count) {
for (int i = 0; i < count; ++i) {
var col = (float *)((char *)data[0] + dataStride[0] * i);
if (rand() & 0x1) { // swith green for red
col[0] = col[1];
col[1] = 0;
}
}
}];*/
/*[ps handleEvent:SCNParticleEventCollision forProperties:@[SCNParticlePropertyAngle, SCNParticlePropertyRotationAxis, SCNParticlePropertyAngularVelocity, SCNParticlePropertyVelocity, SCNParticlePropertyContactNormal] withBlock:^(void **data, size_t *dataStride, uint32_t *indices , NSInteger count) {
for (NSInteger i = 0; i < count; ++i) {
// fix orientation
float *angle = (float *)((char *)data[0] + dataStride[0] * indices[i]);
float *axis = (float *)((char *)data[1] + dataStride[1] * indices[i]);
float *colNrm = (float *)((char *)data[4] + dataStride[4] * indices[i]);
SCNVector3 collisionNormal = {colNrm[0], colNrm[1], colNrm[2]};
SCNVector3 cp = SCNVector3CrossProduct(collisionNormal, SCNVector3Make(0, 0, 1));
CGFloat cpLen = SCNVector3Length(cp);
angle[0] = asin(cpLen);
axis[0] = cp.x / cpLen;
axis[1] = cp.y / cpLen;
axis[2] = cp.z / cpLen;
// kill angular rotation
float *angVel = (float *)((char *)data[2] + dataStride[2] * indices[i]);
angVel[0] = 0;
if (colNrm[1] > 0.4) {
float *vel = (float *)((char *)data[3] + dataStride[3] * indices[i]);
vel[0] = 0;
vel[1] = 0;
vel[2] = 0;
}
}
}];*/
ParticleHolder.AddParticleSystem (ps);
break;
case (int)ParticleSteps.EmitterCube:
ParticleHolder.RemoveAllParticleSystems ();
TextManager.FlipOutText (SlideTextManager.TextType.Bullet);
TextManager.AddBulletAtLevel ("Emitter shape", 0);
TextManager.FlipInText (SlideTextManager.TextType.Bullet);
ParticleHolder.RemoveFromParentNode ();
ps = SCNParticleSystem.Create ("emitters", "Particles");
ps.Local = true;
ParticleHolder.AddParticleSystem (ps);
var node = SCNNode.Create ();
node.Position = new SCNVector3 (3, 6, HOLE_Z);
node.RunAction (SCNAction.RepeatActionForever (SCNAction.RotateBy (NMath.PI * 2, new SCNVector3 (0.3f, 1, 0), 8)));
GroundNode.AddChildNode (node);
Bokeh = ps;
node.AddParticleSystem (ps);
break;
case (int)ParticleSteps.EmitterSphere:
Bokeh.EmitterShape = SCNSphere.Create (5);
break;
case (int)ParticleSteps.EmitterTorus:
Bokeh.EmitterShape = SCNTorus.Create (5, 1);
break;
}
}
public override void AwakeFromNib()
{
GameView = (GameView)View;
// Create a new scene.
SCNScene scene = SCNScene.FromFile("game.scnassets/level.scn");
// Set the scene to the view and loops for the animation of the bamboos
GameView.Scene = scene;
GameView.Playing = true;
GameView.Loops = true;
Character = new Character();
SetupCamera();
SetupSounds();
SetupMusic();
// setup particles
collectParticles = SCNParticleSystem.Create("collect.scnp", "game.scnassets");
collectParticles.ParticleImage = PathForArtResource("textures/glow01.png");
collectParticles.Loops = false;
confetti = SCNParticleSystem.Create("confetti.scnp", "game.scnassets");
confetti.ParticleImage = PathForArtResource("textures/confetti.png");
// Add the character to the scene.
scene.RootNode.AddChildNode(Character.Node);
// Place it
SCNNode sp = scene.RootNode.FindChildNode("startingPoint", true);
Character.Node.Transform = sp.Transform;
// Setup physics masks and physics shape
SCNNode[] collisionNodes = scene.RootNode.FindNodes((SCNNode node, out bool stop) => {
bool?collidable = node.Name?.Contains("collision");
stop = false;
return(collidable.HasValue && collidable.Value);
});
foreach (SCNNode node in collisionNodes)
{
node.Hidden = false;
SetupCollisionNodes(node);
}
// Setup physics masks and physics shape
flames = scene.RootNode.FindNodes((SCNNode node, out bool stop) => {
stop = false;
if (node.Name == "flame")
{
node.PhysicsBody.CategoryBitMask = (nuint)(int)Bitmask.Enemy;
return(true);
}
return(false);
});
enemies = scene.RootNode.FindNodes((SCNNode node, out bool stop) => {
stop = false;
return(node.Name == "enemy");
});
// Setup delegates
GameView.Scene.PhysicsWorld.ContactDelegate = this;
GameView.SceneRendererDelegate = this;
// setup view overlays
GameView.Setup();
SetupAutomaticCameraPositions();
}
