public override void TouchesBegan(NSSet touches, UIEvent evt)
{
var forcePower = 10;
base.TouchesBegan(touches, evt);
var pointOfView = this.SceneView.PointOfView;
var transform = pointOfView.Transform;
var location = new SCNVector3(transform.M41, transform.M42, transform.M43);
var orientation = new SCNVector3(-transform.M31, -transform.M32, -transform.M33);
var position = location + orientation;
var pokeball = new SCNNode()
{
Geometry = SCNSphere.Create(0.15f),
};
pokeball.Geometry.FirstMaterial.Diffuse.ContentImage = UIImage.FromBundle("pokeball");
pokeball.Position = position;
pokeball.PhysicsBody = SCNPhysicsBody.CreateDynamicBody();
pokeball.PhysicsBody.PhysicsShape = SCNPhysicsShape.Create(pokeball);
pokeball.PhysicsBody.ContactTestBitMask = (int)BitMaskCategory.Pokemon;
pokeball.PhysicsBody.CategoryBitMask = (int)BitMaskCategory.Pokeball;
pokeball.PhysicsBody.ApplyForce(new SCNVector3(orientation.X * forcePower, orientation.Y * forcePower, orientation.Z * forcePower), true);
SceneView.Scene.RootNode.AddChildNode(pokeball);
}
public SCNNode GetBox()
{
if (_prefab != null)
{
return(_prefab.Clone());
}
var g = new SCNBox {
Height = .066f, Width = .066f, Length = .066f
};
g.FirstMaterial.Diffuse.Contents = UIImage.FromFile("xamagon-fill");
var box = new SCNNode {
Geometry = g
};
box.PhysicsBody = SCNPhysicsBody.CreateBody(SCNPhysicsBodyType.Dynamic, SCNPhysicsShape.Create(g, new SCNPhysicsShapeOptions {
ShapeType = SCNPhysicsShapeType.BoundingBox
}));
box.PhysicsBody.ContinuousCollisionDetectionThreshold = g.Width * 2;
_prefab = box;
return(_prefab.Clone());
}
SCNNode CreateBanana()
{
//Create model
if (bananaCollectable == null)
{
bananaCollectable = GameSimulation.LoadNodeWithName("banana", GameSimulation.PathForArtResource("level/banana.dae"));
bananaCollectable.Scale = new SCNVector3(0.5f, 0.5f, 0.5f);
SCNSphere sphereGeometry = SCNSphere.Create(40);
SCNPhysicsShape physicsShape = SCNPhysicsShape.Create(sphereGeometry, new SCNPhysicsShapeOptions());
bananaCollectable.PhysicsBody = SCNPhysicsBody.CreateBody(SCNPhysicsBodyType.Kinematic, physicsShape);
// Only collide with player and ground
bananaCollectable.PhysicsBody.CollisionBitMask = GameCollisionCategory.Player | GameCollisionCategory.Ground;
// Declare self in the banana category
bananaCollectable.PhysicsBody.CategoryBitMask = GameCollisionCategory.Banana;
// Rotate and Hover forever.
bananaCollectable.Rotation = new SCNVector4(0.5f, 1f, 0.5f, -(nfloat)Math.PI / 4);
SCNAction idleHoverGroupAction = SCNAction.Group(new SCNAction[] { BananaIdleAction, HoverAction });
SCNAction repeatForeverAction = SCNAction.RepeatActionForever(idleHoverGroupAction);
bananaCollectable.RunAction(repeatForeverAction);
}
return(bananaCollectable.Clone());
}
public SCNPhysicsBody CreatePlanePhysics(SCNGeometry geometry)
{
var body = SCNPhysicsBody.CreateStaticBody();
body.PhysicsShape = SCNPhysicsShape.Create(geometry, new NSDictionary());
body.Restitution = 0.5f;
body.Friction = 0.5f;
return(body);
}
public PlayerCharacter(SCNNode characterNode) : base(characterNode)
{
CategoryBitMask = NodeCategory.Lava;
velocity = SCNVector3.Zero;
IsWalking = false;
changingDirection = false;
baseWalkSpeed = 0.0167f;
JumpBoost = 0.0f;
WalkSpeed = baseWalkSpeed * 2;
Jumping = false;
groundPlaneHeight = 0.0f;
playerWalkDirection = WalkDirection.Right;
cameraHelper = new SCNNode {
Position = new SCNVector3(1000f, 200f, 0f)
};
AddChildNode(cameraHelper);
CollideSphere = new SCNNode {
Position = new SCNVector3(0f, 80f, 0f)
};
SCNGeometry geo = SCNCapsule.Create(90f, 160f);
SCNPhysicsShape shape2 = SCNPhysicsShape.Create(geo, (NSDictionary)null);
CollideSphere.PhysicsBody = SCNPhysicsBody.CreateBody(SCNPhysicsBodyType.Kinematic, shape2);
CollideSphere.PhysicsBody.CollisionBitMask =
GameCollisionCategory.Banana |
GameCollisionCategory.Coin |
GameCollisionCategory.Coconut |
GameCollisionCategory.Lava;
CollideSphere.PhysicsBody.CategoryBitMask = GameCollisionCategory.Player;
AddChildNode(CollideSphere);
DustPoof = GameSimulation.LoadParticleSystemWithName("dust");
NSString artResourcePath = (NSString)GameSimulation.PathForArtResource("level/effects/effects_transparent.png");
DustPoof.ParticleImage = artResourcePath;
DustWalking = GameSimulation.LoadParticleSystemWithName("dustWalking");
DustWalking.ParticleImage = artResourcePath;
dustWalkingBirthRate = DustWalking.BirthRate;
// Load the animations and store via a lookup table.
SetupIdleAnimation();
SetupRunAnimation();
SetupJumpAnimation();
SetupBoredAnimation();
SetupHitAnimation();
PlayIdle();
}
public SCNPhysicsBody MakePhysicsBody(SCNGeometry geometry)
{
var option = new SCNPhysicsShapeOptions();
option.KeepAsCompound = true;
option.ShapeType = SCNPhysicsShapeType.ConcavePolyhedron;
var shape = SCNPhysicsShape.Create(geometry, option);
return(SCNPhysicsBody.CreateBody(type: SCNPhysicsBodyType.Static, shape));
}
void SetupCollisionNodes(SCNNode node)
{
if (node.Geometry != null)
{
Console.WriteLine(node.Name);
node.PhysicsBody = SCNPhysicsBody.CreateStaticBody();
node.PhysicsBody.CategoryBitMask = (nuint)(int)Bitmask.Collision;
var options = new SCNPhysicsShapeOptions {
ShapeType = SCNPhysicsShapeType.ConcavePolyhedron
};
node.PhysicsBody.PhysicsShape = SCNPhysicsShape.Create(node, options);
// Get grass area to play the right sound steps
if (node.Geometry.FirstMaterial.Name == "grass-area")
{
if (grassArea != null)
{
node.Geometry.FirstMaterial = grassArea;
}
else
{
grassArea = node.Geometry.FirstMaterial;
}
}
// Get the water area
if (node.Geometry.FirstMaterial.Name == "water")
{
waterArea = node.Geometry.FirstMaterial;
}
// Temporary workaround because concave shape created from geometry instead of node fails
SCNNode child = SCNNode.Create();
node.AddChildNode(child);
child.Hidden = true;
child.Geometry = node.Geometry;
node.Geometry = null;
node.Hidden = false;
if (node.Name == "water")
{
node.PhysicsBody.CategoryBitMask = (nuint)(int)Bitmask.Water;
}
}
foreach (SCNNode child in node.ChildNodes)
{
if (!child.Hidden)
{
SetupCollisionNodes(child);
}
}
}
SCNNode CreatePokemonNodeFromFile(string filePath, string nodeName, SCNVector3 vector)
{
var pScene = SCNScene.FromFile(filePath);
var pokemon = pScene.RootNode.FindChildNode(nodeName, true);
pokemon.Position = vector;
pokemon.PhysicsBody = SCNPhysicsBody.CreateStaticBody();
pokemon.PhysicsBody.PhysicsShape = SCNPhysicsShape.Create(pokemon);
pokemon.PhysicsBody.ContactTestBitMask = (int)BitMaskCategory.Pokeball;
pokemon.PhysicsBody.CategoryBitMask = (int)BitMaskCategory.Pokemon;
return(pokemon);
}
public override SCNPhysicsBody CreatePlanePhysics(SCNGeometry geometry)
{
var body = SCNPhysicsBody.CreateStaticBody();
body.PhysicsShape = SCNPhysicsShape.Create(geometry, new SCNPhysicsShapeOptions {
ShapeType = SCNPhysicsShapeType.BoundingBox
});
body.Restitution = 0.5f;
body.Friction = 0.5f;
return(body);
}
void CreateLavaAnimation()
{
var dummyFront = RootNode.FindChildNode("dummy_front", true);
var lavaNodes = new List <SCNNode> ();
foreach (var dummyFrontNode in dummyFront.ChildNodes)
{
foreach (var lavaNode in dummyFrontNode.ChildNodes)
{
if (!string.IsNullOrEmpty(lavaNode.Name) && lavaNode.Name.Contains("lava_0"))
{
lavaNodes.Add(lavaNode);
}
}
}
foreach (SCNNode lava in lavaNodes)
{
var childrenWithGeometry = new List <SCNNode> ();
foreach (var child in lava.ChildNodes)
{
if (child.Geometry != null)
{
childrenWithGeometry.Add(child);
}
}
if (childrenWithGeometry.Count == 0)
{
continue;
}
SCNNode lavaGeometry = childrenWithGeometry [0];
lavaGeometry.PhysicsBody = SCNPhysicsBody.CreateBody(SCNPhysicsBodyType.Static,
SCNPhysicsShape.Create(lavaGeometry.Geometry, new SCNPhysicsShapeOptions {
ShapeType = SCNPhysicsShapeType.ConcavePolyhedron
}));
lavaGeometry.PhysicsBody.CategoryBitMask = GameCollisionCategory.Lava;
lavaGeometry.CategoryBitMask = NodeCategory.Lava;
string shaderCode = "uniform float speed;\n" +
"#pragma body\n" +
"_geometry.texcoords[0] += vec2(sin(_geometry.position.z*0.1 + u_time * 0.1) * 0.1, -1.0* 0.05 * u_time);\n";
lavaGeometry.Geometry.ShaderModifiers = new SCNShaderModifiers {
EntryPointGeometry = shaderCode
};
}
}
private void LoadCharacter()
{
// Load character from external file
var scene = SCNScene.FromFile("art.scnassets/character/max.scn");
this.model = scene.RootNode.FindChildNode("Max_rootNode", true);
this.model.Position = Character.ModelOffset;
/* setup character hierarchy
* character
|_orientationNode
|_model
*/
this.characterNode = new SCNNode {
Name = "character", Position = Character.InitialPosition
};
this.characterOrientation = new SCNNode();
this.characterNode.AddChildNode(this.characterOrientation);
this.characterOrientation.AddChildNode(this.model);
var collider = this.model.FindChildNode("collider", true);
if (collider?.PhysicsBody != null)
{
collider.PhysicsBody.CollisionBitMask = (int)(Bitmask.Enemy | Bitmask.Trigger | Bitmask.Collectable);
}
// Setup collision shape
var min = new SCNVector3();
var max = new SCNVector3();
this.model.GetBoundingBox(ref min, ref max);
nfloat collisionCapsuleRadius = (max.X - min.X) * 0.4f;
nfloat collisionCapsuleHeight = max.Y - min.Y;
var collisionGeometry = SCNCapsule.Create(collisionCapsuleRadius, collisionCapsuleHeight);
this.characterCollisionShape = SCNPhysicsShape.Create(collisionGeometry,
new NSMutableDictionary()
{
{ SCNPhysicsShapeOptionsKeys.CollisionMargin, NSNumber.FromFloat(Character.CollisionMargin) }
});
this.collisionShapeOffsetFromModel = new SCNVector3(0f, (float)collisionCapsuleHeight * 0.51f, 0f);
}
SCNNode MakeBallNode()
{
var sphere = SCNSphere.Create((nfloat)0.05);
var sphereNode = SCNNode.Create();
var material = new SCNMaterial();
sphereNode.Geometry = sphere;
material.Diffuse.Contents = MakeRandomColor();
sphere.FirstMaterial = material;
var shape = SCNPhysicsShape.Create(sphere);
var body = SCNPhysicsBody.CreateBody(SCNPhysicsBodyType.Dynamic, shape);
body.Restitution = (nfloat)0.1;
body.Friction = (nfloat)0.9;
body.Mass = (nfloat)0.1;
sphereNode.PhysicsBody = body;
return(sphereNode);
}
public override void TouchesEnded(NSSet touches, UIEvent evt)
{
base.TouchesEnded(touches, evt);
if (!SessionStarted || PlaneTrackingEnabled)
{
return;
}
var frame = SCNView.Session.CurrentFrame;
if (frame is null)
{
return;
}
using (frame)
{
var hits = frame.HitTest(new CoreGraphics.CGPoint(0.5, 0.5), ARHitTestResultType.ExistingPlaneUsingExtent);
var target = hits.FirstOrDefault(x => x.Anchor as ARPlaneAnchor != null);
if (target == null)
{
return;
}
var wt = target.WorldTransform.ToSCNMatrix4();
var next = Prefabs.Random().Clone();
next.Scale = new SCNVector3(.15f, .15f, .0005f);
next.Position = new SCNVector3(wt.Column3.X, wt.Column3.Y + .5f, wt.Column3.Z);
next.Look(SCNView.PointOfView.WorldPosition);
var body = SCNPhysicsBody.CreateDynamicBody();
body.PhysicsShape = SCNPhysicsShape.Create(next, new NSDictionary());
body.Restitution = 0.5f;
body.Friction = 0.5f;
next.PhysicsBody = body;
SCNView.Scene.RootNode.AddChildNode(next);
}
}
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);
}
void SetupGetCoconutAnimation()
{
SCNAnimationEventHandler pickupEventBlock = (CAAnimation animation, NSObject animatedObject, bool playingBackward) => {
if (coconutInHand != null)
{
coconutInHand.RemoveFromParentNode();
}
coconutInHand = Coconut.CoconutProtoObject;
rightHand.AddChildNode(coconutInHand);
hasCoconut = true;
};
CAAnimation getAnimation = LoadAndCacheAnimation(GameSimulation.PathForArtResource("characters/monkey/monkey_get_coconut"), "monkey_get_coconut-1");
if (getAnimation.AnimationEvents == null)
{
getAnimation.AnimationEvents = new SCNAnimationEvent[] { SCNAnimationEvent.Create(0.4f, pickupEventBlock) }
}
;
getAnimation.RepeatCount = 1;
}
void SetupThrowAnimation()
{
CAAnimation throwAnimation = LoadAndCacheAnimation(GameSimulation.PathForArtResource("characters/monkey/monkey_throw_coconut"), "monkey_throw_coconut-1");
throwAnimation.Speed = 1.5f;
if (throwAnimation.AnimationEvents == null || throwAnimation.AnimationEvents.Length == 0)
{
SCNAnimationEventHandler throwEventBlock = ThrowCoconut;
throwAnimation.AnimationEvents = new SCNAnimationEvent[] { SCNAnimationEvent.Create(0.35f, throwEventBlock) };
}
throwAnimation.RepeatCount = 0;
}
void ThrowCoconut(CAAnimation animation, NSObject animatedObject, bool playingBackward)
{
if (!hasCoconut)
{
return;
}
SCNMatrix4 worldMtx = coconutInHand.PresentationNode.WorldTransform;
coconutInHand.RemoveFromParentNode();
Coconut node = Coconut.CoconutThrowProtoObject;
SCNPhysicsShape coconutPhysicsShape = Coconut.CoconutPhysicsShape;
node.PhysicsBody = SCNPhysicsBody.CreateBody(SCNPhysicsBodyType.Dynamic, coconutPhysicsShape);
node.PhysicsBody.Restitution = 0.9f;
node.PhysicsBody.CollisionBitMask = GameCollisionCategory.Player | GameCollisionCategory.Ground;
node.PhysicsBody.CategoryBitMask = GameCollisionCategory.Coconut;
node.Transform = worldMtx;
GameSimulation.Sim.RootNode.AddChildNode(node);
GameSimulation.Sim.GameLevel.Coconuts.Add(node);
node.PhysicsBody.ApplyForce(new SCNVector3(-200, 500, 300), true);
hasCoconut = false;
isIdle = true;
}
}
public static SCNNode ReplaceCatapultPlaceholder(SCNNode placeholder)
{
var node = SCNNodeExtensions.LoadSCNAsset("catapult");
// somehow setting the world transform doesn't update the Euler angles (180, 0, 180) is decoded
// but need it to be 0, 180, 0
node.Transform = placeholder.Transform;
node.EulerAngles = placeholder.EulerAngles;
// Add physics body to it
node.WorldPosition += new SCNVector3(0f, 0.2f, 0f);
node.PhysicsBody?.ResetTransform();
var baseGeomNode = node.FindChildNode("catapultBase", true);
if (baseGeomNode == null)
{
throw new Exception("No catapultBase");
}
var prongGeomNode = node.FindChildNode("catapultProngs", true);
if (prongGeomNode == null)
{
throw new Exception("No catapultProngs");
}
// shift center of mass of the prong from the bottom
// the 0.55 value is from experimentation
var prongPivotShiftUp = new SCNVector3(0f, 0.55f, 0f);
prongGeomNode.Pivot = SCNMatrix4.CreateTranslation(prongPivotShiftUp);
prongGeomNode.Position += prongPivotShiftUp;
var baseShape = SCNPhysicsShape.Create(baseGeomNode, new SCNPhysicsShapeOptions()
{
ShapeType = SCNPhysicsShapeType.ConvexHull
});
var prongShape = SCNPhysicsShape.Create(prongGeomNode, new SCNPhysicsShapeOptions()
{
ShapeType = SCNPhysicsShapeType.ConvexHull
});
var compoundShape = SCNPhysicsShape.Create(new SCNPhysicsShape[] { baseShape, prongShape },
new SCNMatrix4[] { SCNMatrix4.Identity, SCNMatrix4.Identity });
if (node.PhysicsBody != null)
{
node.PhysicsBody.PhysicsShape = compoundShape;
}
// rename back to placeholder name must happen after gameObject is assigned
// currently placeholders are all Catapult1 to Catapult6, they may be under a teamA, teamB parent
// so stash the placeholder name for later
if (!string.IsNullOrEmpty(placeholder.Name))
{
node.SetValueForKey(new NSString(placeholder.Name), new NSString("nameRestore"));
}
placeholder.ParentNode.ReplaceChildNode(placeholder, node);
node.Name = "catapult";
return(node);
}
public Character()
{
for (int i = 0; i < StepsSoundCount; i++)
{
steps [i, (int)FloorMaterial.Grass] = SCNAudioSource.FromFile(string.Format("game.scnassets/sounds/Step_grass_0{0}.mp3", i));
steps [i, (int)FloorMaterial.Grass].Volume = 0.5f;
steps [i, (int)FloorMaterial.Rock] = SCNAudioSource.FromFile(string.Format("game.scnassets/sounds/Step_rock_0{0}.mp3", i));
if (i < StepsInWaterSoundCount)
{
steps [i, (int)FloorMaterial.Water] = SCNAudioSource.FromFile(string.Format("game.scnassets/sounds/Step_splash_0{0}.mp3", i));
steps [i, (int)FloorMaterial.Water].Load();
}
else
{
steps [i, (int)FloorMaterial.Water] = steps [i % StepsInWaterSoundCount, (int)FloorMaterial.Water];
}
steps [i, (int)FloorMaterial.Rock].Load();
steps [i, (int)FloorMaterial.Grass].Load();
// Load the character.
SCNScene characterScene = SCNScene.FromFile("game.scnassets/panda.scn");
SCNNode characterTopLevelNode = characterScene.RootNode.ChildNodes [0];
Node = SCNNode.Create();
Node.AddChildNode(characterTopLevelNode);
// Configure the "idle" animation to repeat forever
foreach (var childNode in characterTopLevelNode.ChildNodes)
{
foreach (var key in childNode.GetAnimationKeys())
{
CAAnimation animation = childNode.GetAnimation(key);
animation.UsesSceneTimeBase = false;
animation.RepeatCount = float.PositiveInfinity;
childNode.AddAnimation(animation, key);
}
}
// retrieve some particle systems and save their birth rate
fireEmitter = characterTopLevelNode.FindChildNode("fire", true);
fireBirthRate = fireEmitter.ParticleSystems [0].BirthRate;
fireEmitter.ParticleSystems [0].BirthRate = 0;
fireEmitter.Hidden = false;
smokeEmitter = characterTopLevelNode.FindChildNode("smoke", true);
smokeBirthRate = smokeEmitter.ParticleSystems [0].BirthRate;
smokeEmitter.ParticleSystems [0].BirthRate = 0;
smokeEmitter.Hidden = false;
whiteSmokeEmitter = characterTopLevelNode.FindChildNode("whiteSmoke", true);
whiteSmokeBirthRate = whiteSmokeEmitter.ParticleSystems [0].BirthRate;
whiteSmokeEmitter.ParticleSystems [0].BirthRate = 0;
whiteSmokeEmitter.Hidden = false;
SCNVector3 min = SCNVector3.Zero;
SCNVector3 max = SCNVector3.Zero;
Node.GetBoundingBox(ref min, ref max);
float radius = (max.X - min.X) * .4f;
float height = (max.Y - min.Y);
// Create a kinematic with capsule.
SCNNode colliderNode = SCNNode.Create();
colliderNode.Name = "collider";
colliderNode.Position = new SCNVector3(0f, height * .51f, 0f);
colliderNode.PhysicsBody = SCNPhysicsBody.CreateBody(
SCNPhysicsBodyType.Kinematic,
SCNPhysicsShape.Create(SCNCapsule.Create(radius, height))
);
// We want contact notifications with the collectables, enemies and walls.
colliderNode.PhysicsBody.ContactTestBitMask = (nuint)(int)(Bitmask.SuperCollectable | Bitmask.Collectable | Bitmask.Collision | Bitmask.Enemy);
Node.AddChildNode(colliderNode);
walkAnimation = LoadAnimationFromSceneNamed("game.scnassets/walk.scn");
walkAnimation.UsesSceneTimeBase = false;
walkAnimation.FadeInDuration = .3f;
walkAnimation.FadeOutDuration = .3f;
walkAnimation.RepeatCount = float.PositiveInfinity;
walkAnimation.Speed = CharacterSpeedFactor;
// Play foot steps at specific times in the animation
walkAnimation.AnimationEvents = new [] {
SCNAnimationEvent.Create(.1f, (animation, animatedObject, playingBackward) => PlayFootStep()),
SCNAnimationEvent.Create(.6f, (animation, animatedObject, playingBackward) => PlayFootStep())
};
}
}
void SetupPathColliders()
{
// Collect all the nodes that start with path_ under the dummy_front object.
// Set those objects as Physics category ground and create a static concave mesh collider.
// The simulation will use these as the ground to walk on.
SCNNode front = RootNode.FindChildNode("dummy_front", true);
foreach (var fronChild in front.ChildNodes)
{
foreach (var child in fronChild.ChildNodes)
{
if (child.Name.Contains("path_"))
{
//the geometry is attached to the first child node of the node named path
SCNNode path = child.ChildNodes [0];
var options = new SCNPhysicsShapeOptions {
ShapeType = SCNPhysicsShapeType.ConcavePolyhedron
};
path.PhysicsBody = SCNPhysicsBody.CreateBody(SCNPhysicsBodyType.Static, SCNPhysicsShape.Create(path.Geometry, options));
path.PhysicsBody.CategoryBitMask = GameCollisionCategory.Ground;
}
}
}
}
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 void AddCar()
{
SCNNode pointOfView = sceneView.PointOfView;
if (pointOfView == null)
{
return;
}
SCNMatrix4 transform = pointOfView.Transform;
SCNVector3 orientation = new SCNVector3(-transform.M31, -transform.M32, -transform.M33);
SCNVector3 location = new SCNVector3(transform.M41, transform.M42, transform.M43);
SCNVector3 currentPositionOfCamera = orientation + location;
//TODO 4.2 Creando el coche
SCNScene carScene = SCNScene.FromFile("art.scnassets/CarScene.scn");
SCNNode carNode = carScene.RootNode.FindChildNode("frame", false);
SCNNode frontLeftWheel = carNode.FindChildNode("frontLeftParent", false);
SCNPhysicsVehicleWheel v_frontLeftWheel = SCNPhysicsVehicleWheel.Create(frontLeftWheel);
SCNNode frontRightWheel = carNode.FindChildNode("frontRightParent", false);
SCNPhysicsVehicleWheel v_frontRightWheel = SCNPhysicsVehicleWheel.Create(frontRightWheel);
SCNNode rearLeftWheel = carNode.FindChildNode("rearLeftParent", false);
SCNPhysicsVehicleWheel v_rearLeftWheel = SCNPhysicsVehicleWheel.Create(rearLeftWheel);
SCNNode rearRightWheel = carNode.FindChildNode("rearRightParent", false);
SCNPhysicsVehicleWheel v_rearRightWheel = SCNPhysicsVehicleWheel.Create(rearRightWheel);
carNode.Position = currentPositionOfCamera;
SCNPhysicsBody body = SCNPhysicsBody.CreateBody(SCNPhysicsBodyType.Dynamic, SCNPhysicsShape.Create(carNode, keepAsCompound: true));
carNode.PhysicsBody = body;
PhysicsVehicle = SCNPhysicsVehicle.Create(carNode.PhysicsBody, new SCNPhysicsVehicleWheel[] { v_frontLeftWheel, v_frontRightWheel, v_rearLeftWheel, v_rearRightWheel });
sceneView.Scene.PhysicsWorld.AddBehavior(PhysicsVehicle);
sceneView.Scene.RootNode.AddChildNode(carNode);
}
