public override void SetupSlide(PresentationViewController presentationViewController)
{
TextManager.SetTitle("Fog");
TextManager.SetSubtitle("SCNScene");
TextManager.AddEmptyLine();
TextManager.AddCode("// set some fog\n\naScene.#fogColor# = aColor;\n\naScene.#fogStartDistance# = 50;\n\naScene.#fogEndDistance# = 100;#");
//add palm trees
var palmTree = Utils.SCAddChildNode(GroundNode, "PalmTree", "Scenes.scnassets/palmTree/palm_tree", 15);
palmTree.Rotation = new SCNVector4(1, 0, 0, -(float)(Math.PI / 2));
palmTree.Position = new SCNVector3(4, -1, 0);
palmTree = palmTree.Clone();
GroundNode.AddChildNode(palmTree);
palmTree.Position = new SCNVector3(0, -1, 7);
palmTree = palmTree.Clone();
GroundNode.AddChildNode(palmTree);
palmTree.Position = new SCNVector3(8, -1, 13);
palmTree = palmTree.Clone();
GroundNode.AddChildNode(palmTree);
palmTree.Position = new SCNVector3(13, -1, -7);
palmTree = palmTree.Clone();
GroundNode.AddChildNode(palmTree);
palmTree.Position = new SCNVector3(-13, -1, -14);
palmTree = palmTree.Clone();
GroundNode.AddChildNode(palmTree);
palmTree.Position = new SCNVector3(3, -1, -14);
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
// Create a node to own the "sign" model, make it to be close to the camera, rotate by 90 degree because it's oriented with z as the up axis
var intermediateNode = SCNNode.Create();
intermediateNode.Position = new SCNVector3(0, 0, 7);
intermediateNode.Rotation = new SCNVector4(1, 0, 0, -(float)(Math.PI / 2));
GroundNode.AddChildNode(intermediateNode);
// Load the "sign" model
var signNode = Utils.SCAddChildNode(intermediateNode, "sign", "Scenes/intersection/intersection", 30);
signNode.Position = new SCNVector3(4, -2, 0.05f);
// Re-parent every node that holds a camera otherwise they would inherit the scale from the "sign" model.
// This is not a problem except that the scale affects the zRange of cameras and so it would be harder to get the transition from one camera to another right
var cameraNodes = new NSMutableArray();
foreach (SCNNode child in signNode)
{
if (child.Camera != null)
{
cameraNodes.Add(child);
}
}
for (nuint i = 0; i < cameraNodes.Count; i++)
{
var cameraNode = new SCNNode(cameraNodes.ValueAt((uint)i));
var previousWorldTransform = cameraNode.WorldTransform;
intermediateNode.AddChildNode(cameraNode); // re-parent
cameraNode.Transform = intermediateNode.ConvertTransformFromNode(previousWorldTransform, null);
cameraNode.Scale = new SCNVector3(1, 1, 1);
}
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
// Load the character and add it to the scene
var heroNode = Utils.SCAddChildNode(GroundNode, "heroGroup", "Scenes/hero/hero", 0.0f);
heroNode.Scale = new SCNVector3(0.023f, 0.023f, 0.023f);
heroNode.Position = new SCNVector3(0.0f, 0.0f, 15.0f);
heroNode.Rotation = new SCNVector4(1.0f, 0.0f, 0.0f, -(float)(Math.PI / 2));
GroundNode.AddChildNode(heroNode);
// Convert sceneTime-based animations into systemTime-based animations.
// Animations loaded from DAE files will play according to the `currentTime` property of the scene renderer if this one is playing
// (see the SCNSceneRenderer protocol). Here we don't play a specific DAE so we want the animations to animate as soon as we add
// them to the scene (i.e have them to play according the time of the system when the animation was added).
HeroSkeletonNode = heroNode.FindChildNode("skeleton", true);
foreach (var animationKey in HeroSkeletonNode.GetAnimationKeys())
{
// Find all the animations. Make them system time based and repeat forever.
// And finally replace the old animation.
var animation = HeroSkeletonNode.GetAnimation(animationKey);
animation.UsesSceneTimeBase = false;
animation.RepeatCount = float.MaxValue;
HeroSkeletonNode.AddAnimation(animation, animationKey);
}
// Load other animations so that we will use them later
SetAnimation(CharacterAnimation.Attack, "attackID", "attack");
SetAnimation(CharacterAnimation.Die, "DeathID", "death");
SetAnimation(CharacterAnimation.Walk, "WalkID", "walk");
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
// Load the scene
var intermediateNode = SCNNode.Create();
intermediateNode.Position = new SCNVector3(6, 9, 0);
intermediateNode.Scale = new SCNVector3(1.4f, 1, 1);
GroundNode.AddChildNode(intermediateNode);
MapNode = Utils.SCAddChildNode(intermediateNode, "Map", "Scenes/map/foldingMap", 25);
MapNode.Position = new SCNVector3(0, 0, 0);
MapNode.Opacity = 0.0f;
// Use a bunch of shader modifiers to simulate ambient occlusion when the map is folded
var geomFile = NSBundle.MainBundle.PathForResource("Shaders/mapGeometry", "shader");
var fragFile = NSBundle.MainBundle.PathForResource("Shaders/mapFragment", "shader");
var lightFile = NSBundle.MainBundle.PathForResource("Shaders/mapLighting", "shader");
var geometryModifier = File.ReadAllText(geomFile);
var fragmentModifier = File.ReadAllText(fragFile);
var lightingModifier = File.ReadAllText(lightFile);
MapNode.Geometry.ShaderModifiers = new SCNShaderModifiers {
EntryPointGeometry = geometryModifier,
EntryPointFragment = fragmentModifier,
EntryPointLightingModel = lightingModifier
};
}
public override void PresentStep(int index, PresentationViewController presentationViewController)
{
switch (index)
{
case 0:
// Set the slide's title and subtitle and add some text.
TextManager.SetTitle("Performance");
TextManager.SetSubtitle("Flattening");
TextManager.AddBulletAtLevel("Flatten node tree into single node", 0);
TextManager.AddBulletAtLevel("Minimize draw calls", 0);
TextManager.AddCode("#// Flatten node hierarchy \n"
+ "var flattenedNode = aNode.#FlattenedClone# ();#");
break;
case 1:
// Discard the text and show a 2D image.
// Animate the image's position when it appears.
TextManager.FlipOutText(SlideTextManager.TextType.Code);
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
var imageNode = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/flattening", "png"), 20, false);
imageNode.Position = new SCNVector3(0, 4.8f, 16);
GroundNode.AddChildNode(imageNode);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
imageNode.Position = new SCNVector3(0, 4.8f, 8);
SCNTransaction.Commit();
break;
}
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
// Add some text
TextManager.SetTitle("Loading a 3D Scene");
TextManager.SetSubtitle("DAE Documents");
NodesToDim = new List <SCNNode> ();
TextManager.AddBulletAtLevel("Geometries", 0);
TextManager.AddBulletAtLevel("Animations", 0);
NodesToDim.Add(TextManager.AddBulletAtLevel("Textures", 0));
NodesToDim.Add(TextManager.AddBulletAtLevel("Lighting", 0));
NodesToDim.Add(TextManager.AddBulletAtLevel("Cameras", 0));
NodesToDim.Add(TextManager.AddBulletAtLevel("Skinning", 0));
NodesToDim.Add(TextManager.AddBulletAtLevel("Morphing", 0));
// And an image resting on the ground
DaeIcon = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/dae file icon", "png"), 10, false);
DaeIcon.Position = new SCNVector3(6, 4.5f, 1);
GroundNode.AddChildNode(DaeIcon);
AbcIcon = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/abc file icon", "png"), 10, false);
AbcIcon.Position = new SCNVector3(6, 4.5f, 30);
GroundNode.AddChildNode(AbcIcon);
}
private void PresentTextNode()
{
TextNode = SplittedStylizedText("I❤︎SceneKit");
TextNode.Scale = new SCNVector3(0.017f, 0.0187f, 0.017f);
TextNode.Opacity = 0.0f;
TextNode.Position = new SCNVector3(-14, 0, 0);
GroundNode.AddChildNode(TextNode);
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
TextManager.SetTitle("Per-Frame Updates");
TextManager.SetSubtitle("Game Loop");
var gameLoop = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/gameLoop", "png"), 17, false);
gameLoop.Position = new SCNVector3(0, 6, 10);
GroundNode.AddChildNode(gameLoop);
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
TextManager.SetTitle("Related Sessions");
// load the "related.png" image and show it mapped on a plane
var relatedImage = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/related", "png"), 35, false);
relatedImage.Position = new SCNVector3(0, 10, 0);
relatedImage.CastsShadow = false;
GroundNode.AddChildNode(relatedImage);
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
TextManager.SetTitle("Shadows");
TextManager.AddBulletAtLevel("Static", 0);
TextManager.AddBulletAtLevel("Dynamic", 0);
TextManager.AddBulletAtLevel("Projected", 0);
var sceneryHolder = SCNNode.Create();
sceneryHolder.Name = "scenery";
sceneryHolder.Position = new SCNVector3(5, -19, 12);
GroundNode.AddChildNode(sceneryHolder);
//add scenery
var scenery = Utils.SCAddChildNode(sceneryHolder, "scenery", "Scenes.scnassets/banana/level", 130);
scenery.Position = new SCNVector3(-291.374969f, 1.065581f, -30.519293f);
scenery.Scale = new SCNVector3(0.044634f, 0.044634f, 0.044634f);
scenery.Rotation = new SCNVector4(1, 0, 0, -NMath.PI / 2);
PalmTree = Utils.SCAddChildNode(GroundNode, "PalmTree", "Scenes.scnassets/palmTree/palm_tree", 15);
PalmTree.Position = new SCNVector3(3, -1, 7);
PalmTree.Rotation = new SCNVector4(1, 0, 0, -NMath.PI / 2);
foreach (var child in PalmTree.ChildNodes)
{
child.CastsShadow = false;
}
//add a static shadow
var shadowPlane = SCNNode.FromGeometry(SCNPlane.Create(15, 15));
shadowPlane.EulerAngles = new SCNVector3(-NMath.PI / 2, (float)(Math.PI / 4) * 0.5f, 0);
shadowPlane.Position = new SCNVector3(0.5f, 0.1f, 2);
shadowPlane.Geometry.FirstMaterial.Diffuse.Contents = new NSImage(NSBundle.MainBundle.PathForResource("Images/staticShadow", "tiff"));
GroundNode.AddChildNode(shadowPlane);
StaticShadowNode = shadowPlane;
StaticShadowNode.Opacity = 0;
var character = Utils.SCAddChildNode(GroundNode, "explorer", "Scenes.scnassets/explorer/explorer_skinned", 9);
var animScene = SCNScene.FromFile("Scenes.scnassets/explorer/idle");
var animatedNode = animScene.RootNode.FindChildNode("Bip001_Pelvis", true);
character.AddAnimation(animatedNode.GetAnimation(animatedNode.GetAnimationKeys() [0]), new NSString("idle"));
character.EulerAngles = new SCNVector3(0, NMath.PI / 2, NMath.PI / 2);
character.Position = new SCNVector3(20, 0, 7);
Character = character;
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
// Set the slide's title and subtitle and add some text
TextManager.SetTitle("Scene Graph");
TextManager.SetSubtitle("Scene");
TextManager.AddBulletAtLevel("SCNScene", 0);
TextManager.AddBulletAtLevel("Starting point", 0);
// Setup the diagram
var diagramNode = SlideSceneGraph.SharedScenegraphDiagramNode();
GroundNode.AddChildNode(diagramNode);
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
TextManager.SetTitle("Loading a DAE");
TextManager.SetSubtitle("Sample code");
TextManager.AddCode("#// Load a DAE"
+ "\n"
+ "var scene = SCNScene.#FromFile# (\"yourPath\");#");
var image = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/daeAsResource", "png"), 9, false);
image.Position = new SCNVector3(0, 3.2f, 7);
GroundNode.AddChildNode(image);
}
public override void DidOrderIn(PresentationViewController presentationViewController)
{
// Bring up a screenshot of the editor
var editorScreenshotNode = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/editor", "png"), 14, true);
editorScreenshotNode.Position = new SCNVector3(17, 4.1f, 5);
editorScreenshotNode.Rotation = new SCNVector4(0, 1, 0, -(float)(Math.PI / 1.5f));
GroundNode.AddChildNode(editorScreenshotNode);
// Animate it (rotate and move)
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
editorScreenshotNode.Position = new SCNVector3(7.5f, 4.1f, 5);
editorScreenshotNode.Rotation = new SCNVector4(0, 1, 0, -(float)(Math.PI / 6.0f));
SCNTransaction.Commit();
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
TextManager.SetTitle("SpriteKit Overlays");
TextManager.AddBulletAtLevel("Game score, gauges, time, menus...", 0);
TextManager.AddBulletAtLevel("Event handling", 0);
var node = TextManager.AddCode("#scnView.#overlaySKScene# = aSKScene;#");
node.Position = new SCNVector3(9, 0, 0);
var gameLoop = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/overlays", "png"), 10, false);
gameLoop.Position = new SCNVector3(0, 2.9f, 13);
GroundNode.AddChildNode(gameLoop);
}
public override void DidOrderIn (PresentationViewController presentationViewController)
{
// Bring up a screenshot of the editor
var editorScreenshotNode = Utils.SCPlaneNode (NSBundle.MainBundle.PathForResource ("Images/particleEditor", "png"), 14, true);
editorScreenshotNode.Geometry.FirstMaterial.Diffuse.MipFilter = SCNFilterMode.Linear;
editorScreenshotNode.Position = new SCNVector3 (17, 3.8f, 5);
editorScreenshotNode.Rotation = new SCNVector4 (0, 1, 0, -(float)Math.PI / 1.5f);
GroundNode.AddChildNode (editorScreenshotNode);
// Animate it (rotate and move)
SCNTransaction.Begin ();
SCNTransaction.AnimationDuration = 1;
editorScreenshotNode.Position = new SCNVector3 (7, 3.8f, 5);
editorScreenshotNode.Rotation = new SCNVector4 (0, 1, 0, -(float)Math.PI / 7);
SCNTransaction.Commit ();
}
private SCNNode AddNumberNode(string numberString, float x)
{
var numberNode = Utils.SCLabelNode(numberString, Utils.LabelSize.Large, true);
numberNode.Geometry.FirstMaterial.Diffuse.Contents = NSColor.Orange;
numberNode.Geometry.FirstMaterial.Ambient.Contents = NSColor.Orange;
numberNode.Position = new SCNVector3(x, 50, 0);
numberNode.Name = "number";
var text = (SCNText)numberNode.Geometry;
text.ExtrusionDepth = 5;
GroundNode.AddChildNode(numberNode);
return(numberNode);
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
// Add some text
TextManager.SetTitle("Working with DAE Files");
TextManager.SetSubtitle("DAE Files on OS X");
// DAE icon
var daeIconNode = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/dae file icon", "png"), 5, false);
daeIconNode.Position = new SCNVector3(0, 2.3f, 0);
GroundNode.AddChildNode(daeIconNode);
// Preview icon and text
var previewIconNode = Utils.SCPlaneNodeWithImage(Utils.SCImageFromApplication("Preview"), 3, false);
previewIconNode.Position = new SCNVector3(-5, 1.3f, 11);
GroundNode.AddChildNode(previewIconNode);
var previewTextNode = Utils.SCLabelNode("Preview", Utils.LabelSize.Small, false);
previewTextNode.Position = new SCNVector3(-5.5f, 0, 13);
GroundNode.AddChildNode(previewTextNode);
// Quicklook icon and text
var qlIconNode = Utils.SCPlaneNodeWithImage(Utils.SCImageFromApplication("Finder"), 3, false);
qlIconNode.Position = new SCNVector3(0, 1.3f, 11);
GroundNode.AddChildNode(qlIconNode);
var qlTextNode = Utils.SCLabelNode("QuickLook", Utils.LabelSize.Small, false);
qlTextNode.Position = new SCNVector3(-1.11f, 0, 13);
GroundNode.AddChildNode(qlTextNode);
// Xcode icon and text
var xcodeIconNode = Utils.SCPlaneNodeWithImage(Utils.SCImageFromApplication("Xcode"), 3, false);
xcodeIconNode.Position = new SCNVector3(5, 1.3f, 11);
GroundNode.AddChildNode(xcodeIconNode);
var xcodeTextNode = Utils.SCLabelNode("Xcode", Utils.LabelSize.Small, false);
xcodeTextNode.Position = new SCNVector3(3.8f, 0, 13);
GroundNode.AddChildNode(xcodeTextNode);
}
public override void PresentStep(int index, PresentationViewController presentationViewController)
{
switch (index)
{
case 0:
// Set the slide's title and subtitle and add some text
TextManager.SetTitle("Materials");
TextManager.SetSubtitle("CALayer as texture");
TextManager.AddCode("#// Map a layer tree on a 3D object. \n"
+ "aNode.Geometry.FirstMaterial.Diffuse.#Contents# = #aLayerTree#;#");
// Add the model
var intermediateNode = SCNNode.Create();
intermediateNode.Position = new SCNVector3(0, 3.9f, 8);
intermediateNode.Rotation = new SCNVector4(1, 0, 0, -(float)(Math.PI / 2));
GroundNode.AddChildNode(intermediateNode);
Utils.SCAddChildNode(intermediateNode, "frames", "Scenes/frames/frames", 8);
presentationViewController.NarrowSpotlight(true);
break;
case 1:
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
// Change the point of view to "frameCamera" (a camera defined in the "frames" scene)
var frameCamera = ContentNode.FindChildNode("frameCamera", true);
((SCNView)presentationViewController.View).PointOfView = frameCamera;
// The "frames" scene contains animations, update the end time of our main scene and start to play the animations
((SCNView)presentationViewController.View).Scene.SetAttribute(new NSNumber(7.33f), SCNScene.EndTimeAttributeKey);
((SCNView)presentationViewController.View).CurrentTime = 0;
((SCNView)presentationViewController.View).Playing = true;
((SCNView)presentationViewController.View).Loops = true;
PlayerLayer1 = ConfigurePlayer(NSBundle.MainBundle.PathForResource("Movies/movie1", "mov"), "PhotoFrame-Vertical");
PlayerLayer2 = ConfigurePlayer(NSBundle.MainBundle.PathForResource("Movies/movie2", "mov"), "PhotoFrame-Horizontal");
SCNTransaction.Commit();
break;
}
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
// Create a node to own the "sign" model, make it to be close to the camera, rotate by 90 degree because it's oriented with z as the up axis
var intermediateNode = SCNNode.Create();
intermediateNode.Position = new SCNVector3(0, 0, 7);
intermediateNode.Rotation = new SCNVector4(1, 0, 0, -(float)(Math.PI / 2));
GroundNode.AddChildNode(intermediateNode);
// Load the "sign" model
var signNode = Utils.SCAddChildNode(intermediateNode, "sign", "Scenes.scnassets/intersection/intersection", 10);
signNode.Position = new SCNVector3(4, 0, 0.05f);
// Re-parent every node that holds a camera otherwise they would inherit the scale from the "sign" model.
// This is not a problem except that the scale affects the zRange of cameras and so it would be harder to get the transition from one camera to another right
var cameraNodes = new List <SCNNode> ();
foreach (SCNNode child in signNode)
{
if (child.Camera != null)
{
cameraNodes.Add(child);
}
}
foreach (var cameraNode in cameraNodes)
{
var previousWorldTransform = cameraNode.WorldTransform;
intermediateNode.AddChildNode(cameraNode); // re-parent
cameraNode.Transform = intermediateNode.ConvertTransformFromNode(previousWorldTransform, null);
cameraNode.Scale = new SCNVector3(1, 1, 1);
}
// Set the slide's title and subtitle and add some text
TextManager.SetTitle("Node Attributes");
TextManager.SetSubtitle("SCNCamera");
TextManager.AddBulletAtLevel("Point of view for renderers", 0);
TextManager.AddCode("#aNode.#Camera# = #SCNCamera#.Create (); \naView.#PointOfView# = aNode;#");
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
// Create a node for Earth and another node to display clouds
// Use the 'pivot' property to tilt Earth because we don't want to see the north pole.
EarthNode = SCNNode.Create();
EarthNode.Pivot = SCNMatrix4.CreateFromAxisAngle(new SCNVector3(1, 0, 0), (float)(Math.PI * 0.1f));
EarthNode.Position = new SCNVector3(6, 7.2f, -2);
EarthNode.Geometry = SCNSphere.Create(7.2f);
CloudsNode = SCNNode.Create();
CloudsNode.Geometry = SCNSphere.Create(7.9f);
GroundNode.AddChildNode(EarthNode);
EarthNode.AddChildNode(CloudsNode);
// Initially hide everything
EarthNode.Opacity = 0.0f;
CloudsNode.Opacity = 0.0f;
EarthNode.Geometry.FirstMaterial.Ambient.Intensity = 0;
EarthNode.Geometry.FirstMaterial.Normal.Intensity = 0;
EarthNode.Geometry.FirstMaterial.Reflective.Intensity = 0;
EarthNode.Geometry.FirstMaterial.Emission.Intensity = 0;
// Use a shader modifier to display an environment map independently of the lighting model used
EarthNode.Geometry.ShaderModifiers = new SCNShaderModifiers {
EntryPointFragment = " _output.color.rgb -= _surface.reflective.rgb * _lightingContribution.diffuse;"
+ "_output.color.rgb += _surface.reflective.rgb;"
};
// Add animations
var rotationAnimation = CABasicAnimation.FromKeyPath("rotation");
rotationAnimation.Duration = 40.0f;
rotationAnimation.RepeatCount = float.MaxValue;
rotationAnimation.To = NSValue.FromVector(new SCNVector4(0, 1, 0, (float)(Math.PI * 2)));
EarthNode.AddAnimation(rotationAnimation, new NSString("earthNodeAnimation"));
rotationAnimation.Duration = 100.0f;
CloudsNode.AddAnimation(rotationAnimation, new NSString("cloudsNodeAnimation"));
}
private void PresentWalls(PresentationViewController presentationViewController)
{
//add spheres and container
var height = 2;
var width = 1;
var count = 3;
var margin = 2;
var totalWidth = count * (margin + width);
var blockMesh = CreateBlockMesh(new SCNVector3(width, height, width));
for (int i = 0; i < count; i++)
{
//create a static block
var wall = SCNNode.Create();
wall.Position = new SCNVector3((i - (count / 2)) * (width + margin), -height / 2, totalWidth / 2);
wall.Geometry = blockMesh;
wall.Name = "container-wall";
wall.PhysicsBody = SCNPhysicsBody.CreateStaticBody();
GroundNode.AddChildNode(wall);
wall.RunAction(SCNAction.MoveBy(new SCNVector3(0, height, 0), 0.5f));
//one more
wall = (SCNNode)wall.Copy();
wall.Position = new SCNVector3((i - (count / 2)) * (width + margin), -height / 2, -totalWidth / 2);
GroundNode.AddChildNode(wall);
// one more
wall = (SCNNode)wall.Copy();
wall.Position = new SCNVector3(totalWidth / 2, -height / 2, (i - (count / 2)) * (width + margin));
GroundNode.AddChildNode(wall);
//one more
wall = (SCNNode)wall.Copy();
wall.Position = new SCNVector3(-totalWidth / 2, -height / 2, (i - (count / 2)) * (width + margin));
GroundNode.AddChildNode(wall);
}
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
// Load the character and add it to the scene
var heroNode = Utils.SCAddChildNode(GroundNode, "bossGroup", "Scenes.scnassets/boss/boss", 0.0f);
heroNode.Scale = new SCNVector3(0.015f, 0.015f, 0.015f);
heroNode.Position = new SCNVector3(3.0f, 0.0f, 15.0f);
heroNode.Rotation = new SCNVector4(1.0f, 0.0f, 0.0f, -(float)(Math.PI / 2));
GroundNode.AddChildNode(heroNode);
// Convert sceneTime-based animations into systemTime-based animations.
// Animations loaded from DAE files will play according to the `currentTime` property of the scene renderer if this one is playing
// (see the SCNSceneRenderer protocol). Here we don't play a specific DAE so we want the animations to animate as soon as we add
// them to the scene (i.e have them to play according the time of the system when the animation was added).
HeroSkeletonNode = heroNode.FindChildNode("skeleton", true);
// Load other animations so that we will use them later
SetAnimation(CharacterAnimation.Attack, "attackID", "boss_attack");
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
TextManager.SetTitle("Levels of Detail");
((SCNView)presentationViewController.View).AllowsCameraControl = true;
var intermediateNode = SCNNode.Create();
intermediateNode.Rotation = new SCNVector4(1, 0, 0, -(float)(Math.PI / 2));
GroundNode.AddChildNode(intermediateNode);
// Load two resolutions
AddTeapot(0, -5, intermediateNode); // high res
AddTeapot(4, +5, intermediateNode); // low res
// Load the other resolutions but hide them
for (var i = 1; i < 4; i++)
{
var teapotNode = AddTeapot(i, 5, intermediateNode);
teapotNode.Opacity = 0.0f;
}
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
// Using a scene source allows us to retrieve the animations using their identifier
var path = NSBundle.MainBundle.PathForResource("Scenes/skinning/skinning", "dae");
var sceneURL = NSUrl.FromFilename(path);
var sceneSource = SCNSceneSource.FromUrl(sceneURL, (NSDictionary)null);
// Place the character in the scene
var error = new NSError();
var scene = sceneSource.SceneWithOption((SCNSceneLoadingOptions)null, out error);
CharacterNode = scene.RootNode.FindChildNode("avatar_attach", true);
CharacterNode.Scale = new SCNVector3(0.004f, 0.004f, 0.004f);
CharacterNode.Position = new SCNVector3(5, 0, 12);
CharacterNode.Rotation = new SCNVector4(0, 1, 0, -(float)(Math.PI / 8));
CharacterNode.Hidden = true;
GroundNode.AddChildNode(CharacterNode);
SkeletonNode = CharacterNode.FindChildNode("skeleton", true);
// Prepare the other resources
//TODO LoadGhostEffect ();
ExtractAnimation(sceneSource);
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
// Slide's title and subtitle
TextManager.SetTitle("Assets Catalog");
TextManager.SetSubtitle(".scnassets folders");
TextManager.AddBulletAtLevel("Manage your assets", 0);
TextManager.AddBulletAtLevel("Add DAE files and referenced textures", 0);
TextManager.AddBulletAtLevel("Optimized at build time", 0);
TextManager.AddBulletAtLevel("Compilation options", 0);
TextManager.AddBulletAtLevel("Geometry interleaving", 1);
TextManager.AddBulletAtLevel("PVRTC, Up axis", 1);
var intermediateNode = SCNNode.Create();
intermediateNode.Position = new SCNVector3(0, 0, 7);
GroundNode.AddChildNode(intermediateNode);
// Load the "folder" model
var folder = Utils.SCAddChildNode(intermediateNode, "folder", "Scenes.scnassets/assetCatalog/assetCatalog", 8);
folder.Position = new SCNVector3(5, 0, 2);
folder.Rotation = new SCNVector4(0, 1, 0, -(float)(Math.PI / 4) * 0.9f);
}
public override void PresentStep(int index, PresentationViewController presentationViewController)
{
switch (index)
{
case 0:
break;
case 1:
// Set the slide's subtitle and display the primitves
TextManager.SetSubtitle("Built-in parametric primitives");
PresentPrimitives();
break;
case 2:
// Hide the carousel and illustrate SCNText
TextManager.FlipOutText(SlideTextManager.TextType.Subtitle);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.5f;
SCNTransaction.SetCompletionBlock(() => {
CarouselNode.RemoveFromParentNode();
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
PresentTextNode();
TextNode.Opacity = 1.0f;
SCNTransaction.Commit();
});
CarouselNode.Opacity = 0.0f;
SCNTransaction.Commit();
TextManager.SetSubtitle("Built-in 3D text");
TextManager.AddBulletAtLevel("SCNText", 0);
TextManager.FlipInText(SlideTextManager.TextType.Subtitle);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
break;
case 3:
// Hide the 3D text and introduce SCNShape
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.5f;
SCNTransaction.SetCompletionBlock(() => {
if (TextNode != null)
{
TextNode.RemoveFromParentNode();
}
presentationViewController.ShowsNewInSceneKitBadge(true);
TextManager.FlipOutText(SlideTextManager.TextType.Subtitle);
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.SetSubtitle("3D Shapes");
TextManager.AddBulletAtLevel("SCNShape", 0);
TextManager.AddBulletAtLevel("Initializes with a NSBezierPath", 0);
TextManager.AddBulletAtLevel("Extrusion and chamfer", 0);
TextManager.AddCode("#aNode.Geometry = SCNShape.#Create# (aBezierPath, 10);#");
TextManager.FlipInText(SlideTextManager.TextType.Subtitle);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
TextManager.FlipInText(SlideTextManager.TextType.Code);
});
if (TextNode != null)
{
TextNode.Opacity = 0.0f;
}
SCNTransaction.Commit();
break;
case 4:
TextManager.FadeOutText(SlideTextManager.TextType.Bullet);
TextManager.FadeOutText(SlideTextManager.TextType.Code);
// Illustrate SCNShape, show the floor ouline
Level2Node = Level2();
Level2OutlineNode = Level2Outline();
Level2Node.Position = Level2OutlineNode.Position = new SCNVector3(-11, 0, -5);
Level2Node.Rotation = Level2OutlineNode.Rotation = new SCNVector4(1, 0, 0, -(float)(Math.PI / 2));
Level2Node.Opacity = Level2OutlineNode.Opacity = 0.0f;
Level2Node.Scale = new SCNVector3(0.03f, 0.03f, 0);
Level2OutlineNode.Scale = new SCNVector3(0.03f, 0.03f, 0.05f);
GroundNode.AddChildNode(Level2OutlineNode);
GroundNode.AddChildNode(Level2Node);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
Level2OutlineNode.Opacity = 1.0f;
SCNTransaction.Commit();
break;
case 5:
presentationViewController.ShowsNewInSceneKitBadge(false);
// Show the extruded floor
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
Level2Node.Opacity = 1.0f;
Level2Node.Scale = new SCNVector3(0.03f, 0.03f, 0.05f);
SCNTransaction.SetCompletionBlock(() => {
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1.5f;
// move the camera a little higher
presentationViewController.CameraNode.Position = new SCNVector3(0, 7, -3);
presentationViewController.CameraPitch.Rotation = new SCNVector4(1, 0, 0, -(float)(Math.PI / 4) * 0.7f);
SCNTransaction.Commit();
});
SCNTransaction.Commit();
break;
case 6:
TextManager.FadeOutText(SlideTextManager.TextType.Subtitle);
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
// Example of a custom geometry (Möbius strip)
TextManager.SetSubtitle("Custom geometry");
TextManager.AddBulletAtLevel("Custom vertices, normals and texture coordinates", 0);
TextManager.AddBulletAtLevel("SCNGeometry", 0);
TextManager.FlipInText(SlideTextManager.TextType.Subtitle);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
// move the camera back to its previous position
presentationViewController.CameraNode.Position = new SCNVector3(0, 0, 0);
presentationViewController.CameraPitch.Rotation = new SCNVector4(1, 0, 0, Pitch * (float)(Math.PI / 180.0));
Level2Node.Opacity = 0.0f;
Level2OutlineNode.Opacity = 0.0f;
SCNTransaction.Commit();
break;
}
}
public override void PresentStep(int index, PresentationViewController presentationViewController)
{
switch (index)
{
case 0:
TextManager.SetSubtitle("Built-in parametric primitives");
break;
case 1:
PresentPrimitives();
break;
case 2:
// Hide the carousel and illustrate SCNText
TextManager.FlipOutText(SlideTextManager.TextType.Subtitle);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1.0f;
SCNTransaction.SetCompletionBlock(() => {
if (CarouselNode != null)
{
CarouselNode.RemoveFromParentNode();
}
});
PresentTextNode();
TextNode.Opacity = 1.0f;
if (CarouselNode != null)
{
CarouselNode.Position = new SCNVector3(0, CarouselNode.Position.Y, -50);
CarouselNode.Opacity = 0.0f;
}
SCNTransaction.Commit();
TextManager.SetSubtitle("Built-in 3D text");
TextManager.AddBulletAtLevel("SCNText", 0);
TextManager.FlipInText(SlideTextManager.TextType.Subtitle);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
break;
case 3:
//Show bezier path
var star = StarPath(3, 6);
var shape = SCNShape.Create(star, 1);
shape.ChamferRadius = 0.2f;
shape.ChamferProfile = OutlineChamferProfilePath();
shape.ChamferMode = SCNChamferMode.Front;
// that way only the outline of the model will be visible
var outlineMaterial = SCNMaterial.Create();
outlineMaterial.Ambient.Contents = outlineMaterial.Diffuse.Contents = outlineMaterial.Specular.Contents = NSColor.Black;
outlineMaterial.Emission.Contents = NSColor.White;
outlineMaterial.DoubleSided = true;
var tranparentMaterial = SCNMaterial.Create();
tranparentMaterial.Transparency = 0.0f;
shape.Materials = new SCNMaterial[] {
tranparentMaterial,
tranparentMaterial,
tranparentMaterial,
outlineMaterial,
outlineMaterial
};
StarOutline = SCNNode.Create();
StarOutline.Geometry = shape;
StarOutline.Position = new SCNVector3(0, 5, 30);
StarOutline.RunAction(SCNAction.RepeatActionForever(SCNAction.RotateBy(0, (float)Math.PI * 2, 0, 10.0)));
GroundNode.AddChildNode(StarOutline);
// Hide the 3D text and introduce SCNShape
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
SCNTransaction.SetCompletionBlock(() => {
TextNode.RemoveFromParentNode();
});
TextManager.FlipOutText(SlideTextManager.TextType.Subtitle);
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.SetSubtitle("3D Shapes");
TextManager.AddBulletAtLevel("SCNShape", 0);
TextManager.FlipInText(SlideTextManager.TextType.Subtitle);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
TextManager.FlipInText(SlideTextManager.TextType.Code);
StarOutline.Position = new SCNVector3(0, 5, 0);
TextNode.Position = new SCNVector3(TextNode.Position.X, TextNode.Position.Y, -30);
SCNTransaction.Commit();
break;
case 4:
star = StarPath(3, 6);
shape = SCNShape.Create(star, 0);
shape.ChamferRadius = 0.1f;
StarNode = SCNNode.Create();
StarNode.Geometry = shape;
var material = SCNMaterial.Create();
material.Reflective.Contents = new NSImage(NSBundle.MainBundle.PathForResource("SharedTextures/color_envmap", "png"));
material.Diffuse.Contents = NSColor.Black;
StarNode.Geometry.Materials = new SCNMaterial[] { material };
StarNode.Position = new SCNVector3(0, 5, 0);
StarNode.Pivot = SCNMatrix4.CreateTranslation(0, 0, -0.5f);
StarOutline.ParentNode.AddChildNode(StarNode);
StarNode.EulerAngles = StarOutline.EulerAngles;
StarNode.RunAction(SCNAction.RepeatActionForever(SCNAction.RotateBy(0, (float)Math.PI * 2, 0, 10.0)));
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1.0f;
SCNTransaction.SetCompletionBlock(() => {
StarOutline.RemoveFromParentNode();
});
shape.ExtrusionDepth = 1;
StarOutline.Opacity = 0.0f;
SCNTransaction.Commit();
break;
case 5:
//OpenSubdiv
TextManager.FlipOutText(SlideTextManager.TextType.Subtitle);
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.SetSubtitle("Subdivisions");
TextManager.AddBulletAtLevel("OpenSubdiv", 0);
TextManager.AddCode("#aGeometry.#SubdivisionLevel# = anInteger;#");
TextManager.FlipInText(SlideTextManager.TextType.Subtitle);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
TextManager.FlipInText(SlideTextManager.TextType.Code);
//add boxes
var boxesNode = SCNNode.Create();
var level0 = Utils.SCAddChildNode(boxesNode, "rccarBody_LP", "Scenes.scnassets/car/car_lowpoly", 10);
level0.Position = new SCNVector3(-6, level0.Position.Y, 0);
var label = Utils.SCBoxNode("0", new CGRect(0, 0, 40, 40), NSColor.Orange, 20.0f, true);
label.Position = new SCNVector3(0, -35, 10);
label.Scale = new SCNVector3(0.3f, 0.3f, 0.001f);
level0.AddChildNode(label);
boxesNode.Position = new SCNVector3(0, 0, 30);
var level1 = level0.Clone();
/*foreach (var child in level1.ChildNodes) {
* if (child.Name != "engine_LP") {
* child.Geometry = (SCNGeometry)child.Geometry.Copy ();
* child.Geometry.SubdivisionLevel = 3;
* }
* }*/
level1.Position = new SCNVector3(6, level1.Position.Y, 0);
boxesNode.AddChildNode(level1);
label = Utils.SCBoxNode("2", new CGRect(0, 0, 40, 40), NSColor.Orange, 20.0f, true);
label.Position = new SCNVector3(0, -35, 10);
label.Scale = new SCNVector3(0.3f, 0.3f, 0.001f);
level1.AddChildNode(label);
level0.RunAction(SCNAction.RepeatActionForever(SCNAction.RotateBy((float)Math.PI * 2, new SCNVector3(0, 1, 0), 45.0)));
level1.RunAction(SCNAction.RepeatActionForever(SCNAction.RotateBy((float)Math.PI * 2, new SCNVector3(0, 1, 0), 45.0)));
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
SCNTransaction.SetCompletionBlock(() => {
StarNode.RemoveFromParentNode();
});
// move the camera back to its previous position
presentationViewController.CameraNode.Position = new SCNVector3(0, 0, 0);
presentationViewController.CameraPitch.Rotation = new SCNVector4(1, 0, 0, Pitch * (float)Math.PI / 180.0f);
StarNode.Position = new SCNVector3(StarNode.Position.X, StarNode.Position.Y, StarNode.Position.Z - 30);
StarOutline.Position = new SCNVector3(StarOutline.Position.X, StarOutline.Position.Y, StarOutline.Position.Z - 30);
GroundNode.AddChildNode(boxesNode);
//move boxes in
boxesNode.Position = new SCNVector3(0, 0, 3.5f);
SCNTransaction.Commit();
break;
}
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
TextManager.SetTitle("Constraints");
TextManager.SetSubtitle("SCNIKConstraint");
TextManager.AddBulletAtLevel("Inverse Kinematics", 0);
TextManager.AddBulletAtLevel("Node chain", 0);
TextManager.AddBulletAtLevel("Target", 0);
//load the hero
Hero = Utils.SCAddChildNode(GroundNode, "heroGroup", "Scenes.scnassets/hero/hero", 12);
Hero.Position = new SCNVector3(0, 0, 5);
Hero.Rotation = new SCNVector4(1, 0, 0, -(nfloat)Math.PI / 2);
//hide the sword
var sword = Hero.FindChildNode("sword", true);
sword.Hidden = true;
//load attack animation
var path = NSBundle.MainBundle.PathForResource("Scenes.scnassets/hero/attack", "dae");
var source = SCNSceneSource.FromUrl(NSUrl.FromFilename(path), (NSDictionary)null);
Attack = (CAAnimation)source.GetEntryWithIdentifier("attackID", new Class("CAAnimation"));
Attack.RepeatCount = 0;
Attack.FadeInDuration = 0.1f;
Attack.FadeOutDuration = 0.3f;
Attack.Speed = 0.75f;
Attack.AnimationEvents = new SCNAnimationEvent[] { SCNAnimationEvent.Create(0.55f, (CAAnimation animation, NSObject animatedObject, bool playingBackward) => {
if (IkActive)
{
DestroyTarget();
}
}) };
AnimationDuration = Attack.Duration;
//setup IK
var hand = Hero.FindChildNode("Bip01_R_Hand", true);
var clavicle = Hero.FindChildNode("Bip01_R_Clavicle", true);
var head = Hero.FindChildNode("Bip01_Head", true);
Ik = SCNIKConstraint.Create(clavicle);
hand.Constraints = new SCNConstraint[] { Ik };
Ik.InfluenceFactor = 0.0f;
//add target
Target = SCNNode.Create();
Target.Position = new SCNVector3(-4, 7, 10);
Target.Opacity = 0;
Target.Geometry = SCNPlane.Create(2, 2);
Target.Geometry.FirstMaterial.Diffuse.Contents = new NSImage(NSBundle.MainBundle.PathForResource("Images/target", "png"));
GroundNode.AddChildNode(Target);
//look at
LookAt = SCNLookAtConstraint.Create(Target);
LookAt.InfluenceFactor = 0;
head.Constraints = new SCNConstraint[] { LookAt };
((SCNView)presentationViewController.View).WeakSceneRendererDelegate = this;
}
private void BuildImageGrid()
{
// Create a root node for the grid
GroupNode = SCNNode.Create();
// Retrieve the template node to replicate
var scene = SCNScene.FromFile("Contacts/contact");
var templateNode = scene.RootNode.FindChildNode("people", true);
for (int k = 0, j = 0; j < RowCount; j++)
{
for (var i = 0; i < ColumnCount; i++, k++)
{
// Hierarchy : __groupNode > container > node
var container = SCNNode.Create();
var node = templateNode.Clone();
node.Name = "contact" + k;
GroupNode.AddChildNode(container);
container.AddChildNode(node);
if (k == 28)
{
HeroNode = node;
}
// Curved layout
var angle = 0.12f * ((ColumnCount - 1) / 2.0f - i);
var x = NMath.Cos(angle + (float)(Math.PI / 2)) * 500.0f;
var z = NMath.Sin(angle + (float)(Math.PI / 2)) * 500.0f;
container.Position = new SCNVector3(x, j * 60, -z + 400);
container.Rotation = new SCNVector4(0, 1, 0, angle);
// We want a different image on each elemement and to do that we need to
// unshare the geometry first and then unshare the material
var geometryNode = node.ChildNodes [0];
geometryNode.Geometry = (SCNGeometry)geometryNode.Geometry.Copy();
var materialCopy = (SCNMaterial)geometryNode.Geometry.Materials [1].Copy();
materialCopy.Diffuse.Contents = new NSImage(NSBundle.MainBundle.PathForResource("Contacts/contact" + (k % ContactImageCount), "jpg"));
geometryNode.Geometry.ReplaceMaterial(1, materialCopy);
// Animate (rotate forever)
var animation = CAKeyFrameAnimation.GetFromKeyPath("rotation");
animation.Duration = 4.0f;
animation.KeyTimes = new NSNumber[] { 0.0f, 0.3f, 1.0f };
animation.Values = new NSObject[] { NSValue.FromVector(new SCNVector4(0, 1, 0, 0)),
NSValue.FromVector(new SCNVector4(0, 1, 0, (float)(Math.PI * 2))),
NSValue.FromVector(new SCNVector4(0, 1, 0, (float)(Math.PI * 2))) };
var tf = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseInEaseOut);
animation.TimingFunctions = new CAMediaTimingFunction[] { tf, tf, tf };
animation.RepeatCount = float.MaxValue;
animation.BeginTime = CAAnimation.CurrentMediaTime() + 1.0f + j * 0.1f + i * 0.05f; // desynchronize the animations
node.AddAnimation(animation, new NSString("animation"));
}
}
// Add the group to the scene
GroupNode.Scale = new SCNVector3(0.03f, 0.03f, 0.03f);
GroupNode.Position = new SCNVector3(0, Altitude - 2.8f, 18);
GroupNode.Opacity = 0.0f;
GroundNode.AddChildNode(GroupNode);
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
// Set the slide's title and subtile and add some text
TextManager.SetTitle("Node Attributes");
TextManager.SetSubtitle("SCNGeometry");
TextManager.AddBulletAtLevel("Triangles", 0);
TextManager.AddBulletAtLevel("Vertices", 0);
TextManager.AddBulletAtLevel("Normals", 0);
TextManager.AddBulletAtLevel("UVs", 0);
TextManager.AddBulletAtLevel("Materials", 0);
// We create a container for several versions of the teapot model
// - one teapot to show positions and normals
// - one teapot to show texture coordinates
// - one teapot to show materials
var allTeapotsNode = SCNNode.Create();
allTeapotsNode.Rotation = new SCNVector4(1, 0, 0, -(float)(Math.PI / 2));
GroundNode.AddChildNode(allTeapotsNode);
TeapotNodeForPositionsAndNormals = Utils.SCAddChildNode(allTeapotsNode, "TeapotLowRes", "Scenes.scnassets/teapots/teapotLowRes", 17);
TeapotNodeForUVs = Utils.SCAddChildNode(allTeapotsNode, "Teapot", "Scenes.scnassets/teapots/teapot", 17);
TeapotNodeForMaterials = Utils.SCAddChildNode(allTeapotsNode, "teapotMaterials", "Scenes.scnassets/teapots/teapotMaterial", 17);
TeapotNodeForPositionsAndNormals.Position = new SCNVector3(4, 0, 0);
TeapotNodeForUVs.Position = new SCNVector3(4, 0, 0);
TeapotNodeForMaterials.Position = new SCNVector3(4, 0, 0);
foreach (var child in TeapotNodeForMaterials.ChildNodes)
{
foreach (var material in child.Geometry.Materials)
{
material.Multiply.Contents = new NSImage(NSBundle.MainBundle.PathForResource("Scenes.scnassets/teapots/UVs", "png"));
material.Multiply.WrapS = SCNWrapMode.Repeat;
material.Multiply.WrapT = SCNWrapMode.Repeat;
//material.Reflective.Contents = NSColor.White;
//material.Reflective.Intensity = 3.0f;
//material.FresnelExponent = 3.0f;
}
}
// Animate the teapots (rotate forever)
var rotationAnimation = CABasicAnimation.FromKeyPath("rotation");
rotationAnimation.Duration = 40.0f;
rotationAnimation.RepeatCount = float.MaxValue;
rotationAnimation.To = NSValue.FromVector(new SCNVector4(0, 0, 1, (float)(Math.PI * 2)));
TeapotNodeForPositionsAndNormals.AddAnimation(rotationAnimation, new NSString("teapotNodeForPositionsAndNormalsAnimation"));
TeapotNodeForUVs.AddAnimation(rotationAnimation, new NSString("teapotNodeForUVsAnimation"));
TeapotNodeForMaterials.AddAnimation(rotationAnimation, new NSString("teapotNodeForMaterialsAnimation"));
// Load the "explode" shader modifier and add it to the geometry
//var explodeShaderPath = NSBundle.MainBundle.PathForResource ("Shaders/explode", "shader");
//var explodeShaderSource = System.IO.File.ReadAllText (explodeShaderPath);
// TODO TeapotNodeForPositionsAndNormals.Geometry.ShaderModifiers = new SCNShaderModifiers { EntryPointGeometry = explodeShaderSource };
PositionsVisualizationNode = SCNNode.Create();
NormalsVisualizationNode = SCNNode.Create();
// Build nodes that will help visualize the vertices (position and normal)
BuildVisualizationsOfNode(TeapotNodeForPositionsAndNormals, ref PositionsVisualizationNode, ref NormalsVisualizationNode);
NormalsVisualizationNode.CastsShadow = false;
TeapotNodeForMaterials.AddChildNode(PositionsVisualizationNode);
TeapotNodeForMaterials.AddChildNode(NormalsVisualizationNode);
}
