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);
}
void ShowCodeExample(string code, string imageName, string extension)
{
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0;
TextManager.FadeOutText(SlideTextManager.TextType.Code);
if (code != null)
{
var codeNode = TextManager.AddCode(code);
SCNVector3 min, max;
min = new SCNVector3(0, 0, 0);
max = new SCNVector3(0, 0, 0);
codeNode.GetBoundingBox(ref min, ref max);
if (imageName != null)
{
SCNNode imageNode = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Scenes/earth/" + imageName, extension), 4.0f, false);
imageNode.Position = new SCNVector3(max.X + 2.5f, min.Y + 0.2f, 0);
codeNode.AddChildNode(imageNode);
max.X += 4.0f;
}
codeNode.Position = new SCNVector3(6 - (min.X + max.X) / 2, 10 - min.Y, 0);
}
SCNTransaction.Commit();
}
public override void PresentStep(int index, PresentationViewController presentationViewController)
{
switch (index)
{
case 0:
// Set the slide's title and subtile
TextManager.SetTitle("Performance");
TextManager.SetSubtitle("Texturing");
// From now on, every text we add will fade in
TextManager.FadesIn = true;
break;
case 1:
TextManager.AddBulletAtLevel("Avoid unnecessarily large images", 0);
break;
case 2:
TextManager.AddBulletAtLevel("Lock ambient and diffuse", 0);
TextManager.AddCode("#aMaterial.#LocksAmbientWithDiffuse# = true;#");
break;
case 3:
TextManager.AddBulletAtLevel("Use mipmaps", 0);
TextManager.AddCode("#aMaterial.Diffuse.#MipFilter# = #SCNFilterMode.Linear#;#");
break;
}
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
// Set the slide's title and subtitle and add some text
TextManager.SetTitle("Animations");
TextManager.SetSubtitle("Explicit animations");
TextManager.AddCode("#// Create an animation \n"
+ "animation = #CABasicAnimation#.FromKeyPath (\"rotation\"); \n\n"
+ "// Configure the animation \n"
+ "animation.#Duration# = 2.0f; \n"
+ "animation.#To# = NSValue.FromVector (new SCNVector4 (0, 1, 0, NMath.PI * 2)); \n"
+ "animation.#RepeatCount# = float.MaxValue; \n\n"
+ "// Play the animation \n"
+ "aNode.#AddAnimation #(animation, \"myAnimation\");#");
// A simple torus that we will animate to illustrate the code
AnimatedNode = SCNNode.Create();
AnimatedNode.Position = new SCNVector3(9, 5.7f, 16);
// Use an extra node that we can tilt it and cumulate that with the animation
var torusNode = SCNNode.Create();
torusNode.Geometry = SCNTorus.Create(4.0f, 1.5f);
torusNode.Rotation = new SCNVector4(1, 0, 0, -(float)(Math.PI * 0.5f));
torusNode.Geometry.FirstMaterial.Diffuse.Contents = NSColor.Red;
torusNode.Geometry.FirstMaterial.Specular.Contents = NSColor.White;
torusNode.Geometry.FirstMaterial.Reflective.Contents = new NSImage(NSBundle.MainBundle.PathForResource("SharedTextures/envmap", "jpg"));
torusNode.Geometry.FirstMaterial.FresnelExponent = 0.7f;
AnimatedNode.AddChildNode(torusNode);
ContentNode.AddChildNode(AnimatedNode);
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
// Set the slide's title and subtitle and add some text
TextManager.SetTitle("Animations");
TextManager.SetSubtitle("Implicit animations");
TextManager.AddCode("#// Begin a transaction \n"
+ "#SCNTransaction#.Begin (); \n"
+ "#SCNTransaction#.AnimationDuration = 2.0f; \n\n"
+ "// Change properties \n"
+ "aNode.#Opacity# = 1.0f; \n"
+ "aNode.#Rotation# = \n"
+ " new SCNVector4 (0, 1, 0, NMath.PI * 4); \n\n"
+ "// Commit the transaction \n"
+ "SCNTransaction.#Commit ()#;#");
// A simple torus that we will animate to illustrate the code
AnimatedNode = SCNNode.Create();
AnimatedNode.Position = new SCNVector3(10, 7, 0);
// Use an extra node that we can tilt it and cumulate that with the animation
var torusNode = SCNNode.Create();
torusNode.Geometry = SCNTorus.Create(4.0f, 1.5f);
torusNode.Rotation = new SCNVector4(1, 0, 0, -(float)(Math.PI * 0.7f));
torusNode.Geometry.FirstMaterial.Diffuse.Contents = NSColor.Red;
torusNode.Geometry.FirstMaterial.Specular.Contents = NSColor.White;
torusNode.Geometry.FirstMaterial.Reflective.Contents = new NSImage(NSBundle.MainBundle.PathForResource("SharedTextures/envmap", "jpg"));
torusNode.Geometry.FirstMaterial.FresnelExponent = 0.7f;
AnimatedNode.AddChildNode(torusNode);
ContentNode.AddChildNode(AnimatedNode);
}
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 PresentStep(int index, PresentationViewController presentationViewController)
{
switch (index)
{
case 0:
TextManager.SetTitle("Animation Events");
TextManager.AddBulletAtLevel("SCNAnimationEvent", 0);
TextManager.AddBulletAtLevel("Smooth transitions", 0);
TextManager.AddCode("#var anEvent = #SCNAnimationEvent.Create# (0.2, aBlock); \n"
+ "anAnimation.#AnimationEvents# = @[anEvent, anotherEvent];#");
var path = NSBundle.MainBundle.PathForResource("Sounds/bossaggro", "wav");
var soundUrl = NSUrl.FromFilename(path);
var bossaggro = new NSSound(soundUrl, false);
bossaggro.Play();
break;
case 1:
// Trigger the attack animation
HeroSkeletonNode.AddAnimation(Animations [(int)CharacterAnimation.Attack], new NSString("attack"));
break;
case 2:
TextManager.FadeOutText(SlideTextManager.TextType.Code);
TextManager.AddCode("#\n"
+ "\n"
+ "\n\n"
+ "anAnimation.FadeInDuration = #0.0#;\n"
+ "anAnimation.FadeOutDuration = #0.0#;#");
break;
case 3:
case 4:
Animations[(int)CharacterAnimation.Attack].FadeInDuration = 0;
Animations[(int)CharacterAnimation.Attack].FadeOutDuration = 0;
// Trigger the attack animation
HeroSkeletonNode.AddAnimation(Animations [(int)CharacterAnimation.Attack], new NSString("attack"));
break;
case 5:
TextManager.FadeOutText(SlideTextManager.TextType.Code);
TextManager.AddCode("#\n"
+ "\n"
+ "\n\n"
+ "anAnimation.FadeInDuration = #0.3#;\n"
+ "anAnimation.FadeOutDuration = #0.3#;#");
break;
case 6:
case 7:
Animations[(int)CharacterAnimation.Attack].FadeInDuration = 0.3f;
Animations[(int)CharacterAnimation.Attack].FadeOutDuration = 0.3f;
// Trigger the attack animation
HeroSkeletonNode.AddAnimation(Animations [(int)CharacterAnimation.Attack], new NSString("attack"));
break;
}
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
TextManager.SetTitle("Rendering a Scene");
TextManager.AddBulletAtLevel("Assign the scene to the renderer", 0);
TextManager.AddBulletAtLevel("Modifications of the scene graph are automatically reflected", 0);
TextManager.AddCode("#// Assign the scene \nSCNView.#Scene# = aScene;#");
}
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\");#");
}
public override void PresentStep(int index, PresentationViewController presentationViewController)
{
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0;
switch (index)
{
case 0:
// Set the slide's title and subtile and add some text
TextManager.SetTitle("Node Attributes");
TextManager.SetSubtitle("Lights");
TextManager.AddBulletAtLevel("SCNLight", 0);
TextManager.AddBulletAtLevel("Four light types", 0);
TextManager.AddBulletAtLevel("Omni", 1);
TextManager.AddBulletAtLevel("Directional", 1);
TextManager.AddBulletAtLevel("Spot", 1);
TextManager.AddBulletAtLevel("Ambient", 1);
break;
case 1:
// Add some code
var codeExampleNode = TextManager.AddCode("#aNode.#Light# = SCNLight.Create (); \naNode.Light.LightType = SCNLightType.Omni;#");
codeExampleNode.Position = new SCNVector3(14, 11, 1);
// Add a light to the scene
LightNode = SCNNode.Create();
LightNode.Light = SCNLight.Create();
LightNode.Light.LightType = SCNLightType.Omni;
LightNode.Light.Color = NSColor.Black; // initially off
LightNode.Light.SetAttribute(new NSNumber(30), SCNLightAttribute.AttenuationStartKey);
LightNode.Light.SetAttribute(new NSNumber(40), SCNLightAttribute.AttenuationEndKey);
LightNode.Position = new SCNVector3(5, 3.5f, 0);
ContentNode.AddChildNode(LightNode);
// Load two images to help visualize the light (on and off)
LightOffImageNode = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/light-off", "tiff"), 7, false);
LightOnImageNode = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/light-on", "tiff"), 7, false);
LightOnImageNode.Opacity = 0;
LightNode.AddChildNode(LightOnImageNode);
LightNode.AddChildNode(LightOffImageNode);
break;
case 2:
// Switch the light on
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
LightNode.Light.Color = NSColor.FromCalibratedRgba(1, 1, 0.8f, 1);
LightOnImageNode.Opacity = 1.0f;
LightOffImageNode.Opacity = 0.0f;
SCNTransaction.Commit();
break;
}
SCNTransaction.Commit();
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
TextManager.SetTitle("Scene Manipulation");
TextManager.SetSubtitle("Code example");
TextManager.AddCode("#// Move a node to another position. \n"
+ "aNode.#Position# = new SCNVector3 (0, 0, 0); \n"
+ "aNode.#Scale# = new SCNVector3 (2, 2, 2); \n"
+ "aNode.#Rotation# = new SCNVector4 (x, y, z, angle); \n"
+ "aNode.#Opacity# = 0.5f;#");
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
TextManager.SetTitle("Shader Modifiers");
TextManager.AddBulletAtLevel("Inject custom GLSL code", 0);
TextManager.AddBulletAtLevel("Combines with Scene Kit’s shaders", 0);
TextManager.AddBulletAtLevel("Inject at specific stages", 0);
TextManager.AddEmptyLine();
TextManager.AddCode("#aMaterial.#shaderModifiers# = @{ <Entry Point> : <GLSL Code> };#");
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
// Set the slide's title and subtitle and add some code
TextManager.SetTitle("Scriptability");
TextManager.AddBulletAtLevel("Javascript bridge", 0);
TextManager.AddCode("#// setup a JSContext for SceneKit\n"
+ "#SCNJavaScript.ExportModule# (aJSContext);\n\n"
+ "// reference a SceneKit object from JS\n"
+ "aJSContext.#GlobalObject# = aNode;\n\n"
+ "// execute a script\n"
+ "aJSContext.#EvaluateScript# (\"aNode.scale = {x:2, y:2, z:2};\");#");
}
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 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 PresentStep(int index, PresentationViewController presentationViewController)
{
switch (index)
{
case 0:
// Set the slide's title and subtitle and add some text
TextManager.SetTitle("Core Image");
TextManager.SetSubtitle("CI Filters");
TextManager.AddBulletAtLevel("Screen-space effects", 0);
TextManager.AddBulletAtLevel("Applies to a node hierarchy", 0);
TextManager.AddBulletAtLevel("Filter parameters are animatable", 0);
TextManager.AddCode("#aNode.#filters# = @[filter1, filter2];#");
break;
}
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
TextManager.SetTitle("Scene Manipulation");
TextManager.SetSubtitle("Retrieving a node");
TextManager.AddCode("#// Get by name \n"
+ "var aNode = scene.RootNode \n"
+ " .#FindChildNode #(\"aName\", true);#");
sceneGraphDiagramNode = SlideSceneGraph.SharedScenegraphDiagramNode();
SlideSceneGraph.ScenegraphDiagramGoToStep(7);
sceneGraphDiagramNode.Opacity = 0.0f;
sceneGraphDiagramNode.Position = new SCNVector3(1.5f, 8.0f, 0);
ContentNode.AddChildNode(sceneGraphDiagramNode);
}
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 PresentStep(int index, PresentationViewController presentationViewController)
{
switch (index)
{
case 0:
TextManager.SetTitle("Animation Events");
TextManager.AddBulletAtLevel("SCNAnimationEvent", 0);
TextManager.AddCode("#var anEvent = #SCNAnimationEvent.Create# (0.2, aBlock); \n"
+ "anAnimation.#AnimationEvents# = @[anEvent, anotherEvent];#");
// Warm up NSSound by playing an empty sound.
// Otherwise the first sound may take some time to start playing and will be desynchronised.
var path = NSBundle.MainBundle.PathForResource("Sounds/emptySound", "m4a");
var soundUrl = NSUrl.FromFilename(path);
var emptySound = new NSSound(soundUrl, false);
emptySound.Play();
break;
case 1:
case 2:
// Trigger the attack animation
HeroSkeletonNode.AddAnimation(Animations [(int)CharacterAnimation.Attack], new NSString("attack"));
break;
case 3:
// Trigger the walk animation
HeroSkeletonNode.AddAnimation(Animations [(int)CharacterAnimation.Walk], new NSString("walk"));
break;
case 4:
// Trigger the death animation
// Make sure to remove the "idle" animation and prevent the model from intersecting with the floor.
HeroSkeletonNode.RemoveAllAnimations();
HeroSkeletonNode.AddAnimation(Animations [(int)CharacterAnimation.Die], new NSString("death"));
SCNTransaction.Begin();
//TODO heroSkeletonNode.ParentNode.Transform = SCNMatrix4.CreateTranslation (new SCNVector3 (0, 0, 40)); //CATransform3DTranslate(_heroSkeletonNode.parentNode.transform, 0, 0, 40);
SCNTransaction.Commit();
break;
}
}
public override void PresentStep(int index, PresentationViewController presentationViewController)
{
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1.5f;
var cameraNode = presentationViewController.CameraNode;
switch (index)
{
case 0:
break;
case 1:
// Add a code snippet
TextManager.AddCode("#aCamera.#FocalDistance# = 16.0f; \n"
+ "aCamera.#FocalBlurRadius# = 8.0f;#");
break;
case 2:
// Turn on DOF to illustrate the code snippet
cameraNode.Camera.FocalDistance = 16;
cameraNode.Camera.FocalSize = 1.5f;
cameraNode.Camera.Aperture = 0.3f;
cameraNode.Camera.FocalBlurRadius = 8;
break;
case 3:
// Focus far away
cameraNode.Camera.FocalDistance = 35;
cameraNode.Camera.FocalSize = 4;
cameraNode.Camera.Aperture = 0.1f;
// and update the code snippet
TextManager.FadeOutText(SlideTextManager.TextType.Code);
TextManager.AddEmptyLine();
TextManager.AddCode("#aCamera.#FocalDistance# = #35.0f#; \n"
+ "aCamera.#FocalBlurRadius# = 8.0f;#");
break;
}
SCNTransaction.Commit();
}
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 PresentStep(int index, PresentationViewController presentationViewController)
{
switch (index)
{
case 0:
break;
case 1:
TextManager.FlipOutText(SlideTextManager.TextType.Code);
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.AddEmptyLine();
TextManager.AddBulletAtLevel("Javascript code example", 0);
TextManager.AddCode("#\n#//allocate a node#\n"
+ "var aNode = SCNNode.Create ();\n\n"
+ "#//change opacity#\n"
+ "aNode.Opacity = 0.5f;\n\n"
+ "#//remove from parent#\n"
+ "aNode.RemoveFromParentNode ();\n\n"
+ "#//animate implicitly#\n"
+ "SCNTransaction.Begin ();\n"
+ "SCNTransaction.AnimationDuration = 1.0f;\n"
+ "aNode.Scale = new SCNVector3 (2, 2, 2);\n"
+ "SCNTransaction.Commit ();#");
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
TextManager.FlipInText(SlideTextManager.TextType.Code);
break;
case 2:
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.FlipOutText(SlideTextManager.TextType.Code);
TextManager.AddBulletAtLevel("Tools", 0);
TextManager.AddBulletAtLevel("Debugging", 0);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
break;
}
}
public override void PresentStep(int index, PresentationViewController presentationViewController)
{
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.5f;
switch (index)
{
case 0:
TextManager.SetTitle("Materials");
TextManager.SetSubtitle("Code example");
TextManager.AddCode("#// Access the geometry attribute of a node \n"
+ "var geometry = node.#Geometry#; \n\n"
+ "// Create a new \"red\" material \n"
+ "var aMaterial = #SCNMaterial.Create ()#; \n"
+ "aMaterial.#Diffuse#.Contents = NSColor.Red; \n\n"
+ "// Set this material to our geometry \n"
+ "geometry.#FirstMaterial# = aMaterial;#");
TextManager.HighlightCodeChunks(null);
break;
case 1:
TextManager.HighlightCodeChunks(new int[] { 0 });
break;
case 2:
TextManager.HighlightCodeChunks(new int[] { 1, 2 });
break;
case 3:
TextManager.HighlightCodeChunks(new int[] { 3 });
break;
}
SCNTransaction.Commit();
}
public override void PresentStep(int index, PresentationViewController presentationViewController)
{
SCNTransaction.Begin();
switch (index)
{
case 0:
// Set the slide's title and subtitle and add some text
TextManager.SetTitle("Node Attributes");
TextManager.SetSubtitle("Camera");
TextManager.AddBulletAtLevel("Point of view for renderers", 0);
// Start with the "sign" model hidden
var group = ContentNode.FindChildNode("group", true);
group.Scale = new SCNVector3(0, 0, 0);
group.Hidden = true;
break;
case 1:
// Reveal the model (unhide then scale)
group = ContentNode.FindChildNode("group", true);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0;
group.Hidden = false;
SCNTransaction.Commit();
SCNTransaction.AnimationDuration = 1.0f;
group.Scale = new SCNVector3(1, 1, 1);
break;
case 2:
TextManager.AddCode("#aNode.#Camera# = #SCNCamera#.Create (); \naView.#PointOfView# = aNode;#");
break;
case 3:
// Switch to camera1
SCNTransaction.AnimationDuration = 2.0f;
((SCNView)presentationViewController.View).PointOfView = ContentNode.FindChildNode("camera1", true);
break;
case 4:
// Switch to camera2
SCNTransaction.AnimationDuration = 2.0f;
((SCNView)presentationViewController.View).PointOfView = ContentNode.FindChildNode("camera2", true);
break;
case 5:
// On completion add some code
SCNTransaction.SetCompletionBlock(() => {
TextManager.FadesIn = true;
TextManager.AddEmptyLine();
TextManager.AddCode("#aNode.#Camera#.XFov = angleInDegrees;#");
});
// Switch back to the default camera
SCNTransaction.AnimationDuration = 1.0f;
((SCNView)presentationViewController.View).PointOfView = presentationViewController.CameraNode;
break;
case 6:
// Switch to camera 3
SCNTransaction.AnimationDuration = 1.0f;
var target = ContentNode.FindChildNode("camera3", true);
// Don't let the default transition animate the FOV (we will animate the FOV separately)
var wantedFOV = target.Camera.XFov;
target.Camera.XFov = ((SCNView)presentationViewController.View).PointOfView.Camera.XFov;
// Animate point of view with an ease-in/ease-out function
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1.0f;
SCNTransaction.AnimationTimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseInEaseOut);
((SCNView)presentationViewController.View).PointOfView = target;
SCNTransaction.Commit();
// Animate the FOV with the default timing function (for a better looking transition)
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1.0f;
((SCNView)presentationViewController.View).PointOfView.Camera.XFov = wantedFOV;
SCNTransaction.Commit();
break;
case 7:
// Switch to camera 4
var cameraNode = ContentNode.FindChildNode("camera4", true);
// Don't let the default transition animate the FOV (we will animate the FOV separately)
wantedFOV = cameraNode.Camera.XFov;
cameraNode.Camera.XFov = ((SCNView)presentationViewController.View).PointOfView.Camera.XFov;
// Animate point of view with the default timing function
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1.0f;
((SCNView)presentationViewController.View).PointOfView = cameraNode;
SCNTransaction.Commit();
// Animate the FOV with an ease-in/ease-out function
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1.0f;
SCNTransaction.AnimationTimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseInEaseOut);
((SCNView)presentationViewController.View).PointOfView.Camera.XFov = wantedFOV;
SCNTransaction.Commit();
break;
case 8:
// Quickly switch back to the default camera
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.75f;
((SCNView)presentationViewController.View).PointOfView = presentationViewController.CameraNode;
SCNTransaction.Commit();
break;
}
SCNTransaction.Commit();
}
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("Constraints");
TextManager.SetSubtitle("SCNConstraint");
TextManager.AddBulletAtLevel("Applied sequentially at render time", 0);
TextManager.AddBulletAtLevel("Only affect presentation values", 0);
TextManager.AddCode("#aNode.#Constraints# = new SCNConstraint[] { aConstraint, anotherConstraint, ... };#");
// Tweak the near clipping plane of the spot light to get a precise shadow map
presentationViewController.SpotLight.Light.SetAttribute(new NSNumber(10), SCNLightAttribute.ShadowNearClippingKey);
break;
case 1:
// Remove previous text
TextManager.FlipOutText(SlideTextManager.TextType.Subtitle);
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.FlipOutText(SlideTextManager.TextType.Code);
// Add new text
TextManager.SetSubtitle("SCNLookAtConstraint");
TextManager.AddBulletAtLevel("Makes a node to look at another node", 0);
TextManager.AddCode("#nodeA.Constraints = new SCNConstraint[] { #SCNLookAtConstraint.Create# (nodeB) };#");
TextManager.FlipInText(SlideTextManager.TextType.Subtitle);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
TextManager.FlipInText(SlideTextManager.TextType.Code);
break;
case 2:
// Setup the scene
SetupLookAtScene();
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
// Dim the text and move back a little bit
TextManager.TextNode.Opacity = 0.5f;
presentationViewController.CameraHandle.Position = presentationViewController.CameraNode.ConvertPositionToNode(new SCNVector3(0, 0, 5.0f), presentationViewController.CameraHandle.ParentNode);
SCNTransaction.Commit();
break;
case 3:
// Add constraints to the arrows
var container = ContentNode.FindChildNode("arrowContainer", true);
// "Look at" constraint
var constraint = SCNLookAtConstraint.Create(BallNode);
var i = 0;
foreach (var arrow in container.ChildNodes)
{
var delayInSeconds = 0.1 * i++;
var popTime = new DispatchTime(DispatchTime.Now, (long)(delayInSeconds * Utils.NSEC_PER_SEC));
DispatchQueue.MainQueue.DispatchAfter(popTime, () => {
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
// Animate to the result of applying the constraint
((SCNNode)arrow.ChildNodes [0]).Rotation = new SCNVector4(0, 1, 0, (float)(Math.PI / 2));
arrow.Constraints = new SCNConstraint[] { constraint };
SCNTransaction.Commit();
});
}
break;
case 4:
// Create a keyframe animation to move the ball
var animation = CAKeyFrameAnimation.FromKeyPath("position");
animation.KeyTimes = new NSNumber[] {
0.0f,
(1.0f / 8.0f),
(2.0f / 8.0f),
(3.0f / 8.0f),
(4.0f / 8.0f),
(5.0f / 8.0f),
(6.0f / 8.0f),
(7.0f / 8.0f),
1.0f
};
animation.Values = new NSObject[] {
NSValue.FromVector(new SCNVector3(0, 0.0f, 0)),
NSValue.FromVector(new SCNVector3(20.0f, 0.0f, 20.0f)),
NSValue.FromVector(new SCNVector3(40.0f, 0.0f, 0)),
NSValue.FromVector(new SCNVector3(20.0f, 0.0f, -20.0f)),
NSValue.FromVector(new SCNVector3(0, 0.0f, 0)),
NSValue.FromVector(new SCNVector3(-20.0f, 0.0f, 20.0f)),
NSValue.FromVector(new SCNVector3(-40.0f, 0.0f, 0)),
NSValue.FromVector(new SCNVector3(-20.0f, 0.0f, -20.0f)),
NSValue.FromVector(new SCNVector3(0, 0.0f, 0))
};
animation.CalculationMode = CAAnimation.AnimationCubicPaced; // smooth the movement between keyframes
animation.RepeatCount = float.MaxValue;
animation.Duration = 10.0f;
animation.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.Linear);
BallNode.AddAnimation(animation, new NSString("ballNodeAnimation"));
// Rotate the ball to give the illusion of a rolling ball
// We need two animations to do that:
// - one rotation to orient the ball in the right direction
// - one rotation to spin the ball
animation = CAKeyFrameAnimation.FromKeyPath("rotation");
animation.KeyTimes = new NSNumber[] {
0.0f,
(0.7f / 8.0f),
(1.0f / 8.0f),
(2.0f / 8.0f),
(3.0f / 8.0f),
(3.3f / 8.0f),
(4.7f / 8.0f),
(5.0f / 8.0f),
(6.0f / 8.0f),
(7.0f / 8.0f),
(7.3f / 8.0f),
1.0f
};
animation.Values = new NSObject[] {
NSValue.FromVector(new SCNVector4(0, 1, 0, (float)(Math.PI / 4))),
NSValue.FromVector(new SCNVector4(0, 1, 0, (float)(Math.PI / 4))),
NSValue.FromVector(new SCNVector4(0, 1, 0, (float)(Math.PI / 2))),
NSValue.FromVector(new SCNVector4(0, 1, 0, (float)(Math.PI))),
NSValue.FromVector(new SCNVector4(0, 1, 0, (float)(Math.PI + Math.PI / 2))),
NSValue.FromVector(new SCNVector4(0, 1, 0, (float)(Math.PI * 2 - Math.PI / 4))),
NSValue.FromVector(new SCNVector4(0, 1, 0, (float)(Math.PI * 2 - Math.PI / 4))),
NSValue.FromVector(new SCNVector4(0, 1, 0, (float)(Math.PI * 2 - Math.PI / 2))),
NSValue.FromVector(new SCNVector4(0, 1, 0, (float)(Math.PI))),
NSValue.FromVector(new SCNVector4(0, 1, 0, (float)(Math.PI - Math.PI / 2))),
NSValue.FromVector(new SCNVector4(0, 1, 0, (float)(Math.PI / 4))),
NSValue.FromVector(new SCNVector4(0, 1, 0, (float)(Math.PI / 4)))
};
animation.RepeatCount = float.MaxValue;
animation.Duration = 10.0f;
animation.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.Linear);
BallNode.AddAnimation(animation, new NSString("ballNodeAnimation2"));
var rotationAnimation = CABasicAnimation.FromKeyPath("rotation");
rotationAnimation.Duration = 1.0f;
rotationAnimation.RepeatCount = float.MaxValue;
rotationAnimation.To = NSValue.FromVector(new SCNVector4(1, 0, 0, (float)(Math.PI * 2)));
BallNode.ChildNodes [1].AddAnimation(rotationAnimation, new NSString("ballNodeRotation"));
break;
case 5:
// Add a constraint to the camera
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
constraint = SCNLookAtConstraint.Create(BallNode);
presentationViewController.CameraNode.Constraints = new SCNConstraint[] { constraint };
SCNTransaction.Commit();
break;
case 6:
// Add a constraint to the light
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
var cameraTarget = ContentNode.FindChildNode("cameraTarget", true);
constraint = SCNLookAtConstraint.Create(cameraTarget);
presentationViewController.SpotLight.Constraints = new SCNConstraint[] { constraint };
SCNTransaction.Commit();
break;
}
}
public override void PresentStep(int switchIndex, PresentationViewController presentationViewController)
{
switch (switchIndex)
{
case 0:
// Set the slide's title and subtitle and add some text
TextManager.SetTitle("Core Image");
TextManager.SetSubtitle("CI Filters");
TextManager.AddBulletAtLevel("Screen-space effects", 0);
TextManager.AddBulletAtLevel("Applies to a node hierarchy", 0);
TextManager.AddBulletAtLevel("Filter parameters are animatable", 0);
TextManager.AddCode("#aNode.#Filters# = new CIFilter[] { filter1, filter2 };#");
break;
case 1:
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1.0f;
// Dim the text and move back a little
TextManager.TextNode.Opacity = 0.0f;
presentationViewController.CameraHandle.Position = presentationViewController.CameraNode.ConvertPositionToNode(new SCNVector3(0, 0, 5.0f), presentationViewController.CameraHandle.ParentNode);
SCNTransaction.Commit();
// Reveal the grid
GroupNode.Opacity = 1;
break;
case 2:
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
// Highlight an item
HighlightContact(13, presentationViewController);
SCNTransaction.Commit();
break;
case 3:
var index = 13;
var subStep = 0;
// Successively select items
for (var i = 0; i < 5; ++i)
{
var popTime = new DispatchTime(DispatchTime.Now, (long)(i * 0.2 * Utils.NSEC_PER_SEC));
DispatchQueue.MainQueue.DispatchAfter(popTime, () => {
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.2f;
UnhighlightContact(index);
if (subStep++ == 3)
{
index += ColumnCount;
}
else
{
index++;
}
HighlightContact(index, presentationViewController);
SCNTransaction.Commit();
});
}
break;
case 4:
// BLUR+DESATURATE in the background, GLOW in the foreground
// Here we will change the node hierarchy in order to group all the nodes in the background under a single node.
// This way we can use a single Core Image filter and apply it on the whole grid, and have another CI filter for the node in the foreground.
var selectionParent = HeroNode.ParentNode;
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0;
// Stop the animations of the selected node
HeroNode.Transform = HeroNode.PresentationNode.Transform; // set the current rotation to the current presentation value
HeroNode.RemoveAllAnimations();
// Re-parent the node by preserving its world tranform
var wantedWorldTransform = selectionParent.WorldTransform;
GroupNode.ParentNode.AddChildNode(selectionParent);
selectionParent.Transform = selectionParent.ParentNode.ConvertTransformFromNode(wantedWorldTransform, null);
SCNTransaction.Commit();
// Add CIFilters
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
// A negative 'centerX' value means no scaling.
//TODO HeroNode.Filters [0].SetValueForKey (new NSNumber (-1), new NSString ("centerX"));
// Move the selection to the foreground
selectionParent.Rotation = new SCNVector4(0, 1, 0, 0);
HeroNode.Transform = ContentNode.ConvertTransformToNode(SCNMatrix4.CreateTranslation(0, Altitude, 29), selectionParent);
HeroNode.Scale = new SCNVector3(1, 1, 1);
HeroNode.Rotation = new SCNVector4(1, 0, 0, -(float)(Math.PI / 4) * 0.25f);
// Upon completion, rotate the selection forever
SCNTransaction.SetCompletionBlock(() => {
var animation = CABasicAnimation.FromKeyPath("rotation");
animation.Duration = 4.0f;
animation.From = NSValue.FromVector(new SCNVector4(0, 1, 0, 0));
animation.To = NSValue.FromVector(new SCNVector4(0, 1, 0, NMath.PI * 2));
animation.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseInEaseOut);
animation.RepeatCount = float.MaxValue;
HeroNode.ChildNodes [0].AddAnimation(animation, new NSString("heroNodeAnimation"));
});
// Add the filters
var blurFilter = CIFilter.FromName("CIGaussianBlur");
blurFilter.SetDefaults();
blurFilter.Name = "blur";
blurFilter.SetValueForKey(new NSNumber(0), CIFilterInputKey.Radius);
var desaturateFilter = CIFilter.FromName("CIColorControls");
desaturateFilter.SetDefaults();
desaturateFilter.Name = "desaturate";
GroupNode.Filters = new CIFilter[] { blurFilter, desaturateFilter };
SCNTransaction.Commit();
// Increate the blur radius and desaturate progressively
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 2;
GroupNode.SetValueForKey(new NSNumber(10), new NSString("filters.blur.inputRadius"));
GroupNode.SetValueForKey(new NSNumber(0.1), new NSString("filters.desaturate.inputSaturation"));
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 PresentStep(int index, PresentationViewController presentationViewController)
{
switch (index)
{
case 0:
// Hide everything (in case the user went backward)
for (var i = 1; i < 4; i++)
{
var teapot = GroundNode.FindChildNode("Teapot" + i, true);
teapot.Opacity = 0.0f;
}
break;
case 1:
// Move the camera and adjust the clipping plane
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 3;
presentationViewController.CameraNode.Position = new SCNVector3(0, 0, 200);
presentationViewController.CameraNode.Camera.ZFar = 500.0f;
SCNTransaction.Commit();
break;
case 2:
// Revert to original position
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
presentationViewController.CameraNode.Position = new SCNVector3(0, 0, 0);
presentationViewController.CameraNode.Camera.ZFar = 100.0f;
SCNTransaction.Commit();
break;
case 3:
var numberNodes = new SCNNode[] { AddNumberNode("64k", -17),
AddNumberNode("6k", -9),
AddNumberNode("3k", -1),
AddNumberNode("1k", 6.5f),
AddNumberNode("256", 14) };
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
// Move the camera and the text
presentationViewController.CameraHandle.Position = new SCNVector3(presentationViewController.CameraHandle.Position.X, presentationViewController.CameraHandle.Position.Y + 6, presentationViewController.CameraHandle.Position.Z);
TextManager.TextNode.Position = new SCNVector3(TextManager.TextNode.Position.X, TextManager.TextNode.Position.Y + 6, TextManager.TextNode.Position.Z);
// Show the remaining resolutions
for (var i = 0; i < 5; i++)
{
var numberNode = numberNodes [i];
numberNode.Position = new SCNVector3(numberNode.Position.X, 7, -5);
var teapot = GroundNode.FindChildNode("Teapot" + i, true);
teapot.Opacity = 1.0f;
teapot.Rotation = new SCNVector4(0, 0, 1, (float)(Math.PI / 4));
teapot.Position = new SCNVector3((i - 2) * 8, 5, teapot.Position.Z);
}
SCNTransaction.Commit();
break;
case 4:
presentationViewController.ShowsNewInSceneKitBadge(true);
// Remove the numbers
RemoveNumberNodes();
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
// Add some text and code
TextManager.SetSubtitle("SCNLevelOfDetail");
TextManager.AddCode("#var lod1 = SCNLevelOfDetail.#CreateWithWorldSpaceDistance# (aGeometry, aDistance); \n"
+ "geometry.#LevelsOfDetail# = new SCNLevelOfDetail { lod1, lod2, ..., lodn };#");
// Animation the merge
for (int i = 0; i < 5; i++)
{
var teapot = GroundNode.FindChildNode("Teapot" + i, true);
teapot.Opacity = i == 0 ? 1.0f : 0.0f;
teapot.Rotation = new SCNVector4(0, 0, 1, 0);
teapot.Position = new SCNVector3(0, -5, teapot.Position.Z);
}
// Move the camera and the text
presentationViewController.CameraHandle.Position = new SCNVector3(presentationViewController.CameraHandle.Position.X, presentationViewController.CameraHandle.Position.Y - 3, presentationViewController.CameraHandle.Position.Z);
TextManager.TextNode.Position = new SCNVector3(TextManager.TextNode.Position.X, TextManager.TextNode.Position.Y - 3, TextManager.TextNode.Position.Z);
SCNTransaction.Commit();
break;
case 5:
presentationViewController.ShowsNewInSceneKitBadge(false);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 3;
// Change the lighting to remove the front light and rise the main light
presentationViewController.UpdateLightingWithIntensities(new float[] { 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.3f });
presentationViewController.RiseMainLight(true);
// Remove some text
TextManager.FadeOutText(SlideTextManager.TextType.Title);
TextManager.FadeOutText(SlideTextManager.TextType.Subtitle);
TextManager.FadeOutText(SlideTextManager.TextType.Code);
SCNTransaction.Commit();
// Retrieve the main teapot
var maintTeapot = GroundNode.FindChildNode("Teapot0", true);
// The distances to use for each LOD
var distances = new float[] { 30, 50, 90, 150 };
// An array of SCNLevelOfDetail instances that we will build
var levelsOfDetail = new SCNLevelOfDetail[4];
for (var i = 1; i < 5; i++)
{
var teapotNode = GroundNode.FindChildNode("Teapot" + i, true);
var teapot = teapotNode.Geometry;
// Unshare the material because we will highlight the different levels of detail with different colors in the next step
teapot.FirstMaterial = (SCNMaterial)teapot.FirstMaterial.Copy();
// Build the SCNLevelOfDetail instance
var levelOfDetail = SCNLevelOfDetail.CreateWithWorldSpaceDistance(teapot, distances [i - 1]);
levelsOfDetail [i - 1] = levelOfDetail;
}
maintTeapot.Geometry.LevelsOfDetail = levelsOfDetail;
// Duplicate and move the teapots
var startTime = CAAnimation.CurrentMediaTime();
var delay = 0.2;
var rowCount = 9;
var columnCount = 12;
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0;
// Change the far clipping plane to be able to see far away
presentationViewController.CameraNode.Camera.ZFar = 1000.0;
for (var j = 0; j < columnCount; j++)
{
for (var i = 0; i < rowCount; i++)
{
// Clone
var clone = maintTeapot.Clone();
maintTeapot.ParentNode.AddChildNode(clone);
// Animate
var animation = CABasicAnimation.FromKeyPath("position");
animation.Additive = true;
animation.Duration = 1.0;
animation.To = NSValue.FromVector(new SCNVector3((i - rowCount / 2.0f) * 12.0f, 5 + (columnCount - j) * 15.0f, 0));
animation.From = NSValue.FromVector(new SCNVector3(0, 0, 0));
animation.BeginTime = startTime + delay; // desynchronize
// Freeze at the end of the animation
animation.RemovedOnCompletion = false;
animation.FillMode = CAFillMode.Forwards;
clone.AddAnimation(animation, new NSString("cloneAnimation"));
// Animate the hidden property to automatically show the node when the position animation starts
animation = CABasicAnimation.FromKeyPath("hidden");
animation.Duration = delay + 0.01;
animation.FillMode = CAFillMode.Both;
animation.From = new NSNumber(1);
animation.To = new NSNumber(0);
clone.AddAnimation(animation, new NSString("cloneAnimation2"));
delay += 0.05;
}
}
SCNTransaction.Commit();
// Animate the camera while we duplicate the nodes
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1.0 + rowCount * columnCount * 0.05;
var position = presentationViewController.CameraHandle.Position;
presentationViewController.CameraHandle.Position = new SCNVector3(position.X, position.Y + 5, position.Z);
presentationViewController.CameraPitch.Rotation = new SCNVector4(1, 0, 0, presentationViewController.CameraPitch.Rotation.W - ((float)(Math.PI / 4) * 0.1f));
SCNTransaction.Commit();
break;
case 6:
// Highlight the levels of detail with colors
var teapotChild = GroundNode.FindChildNode("Teapot0", true);
var colors = new NSColor[] { NSColor.Red, NSColor.Orange, NSColor.Yellow, NSColor.Green };
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
for (var i = 0; i < 4; i++)
{
var levelOfDetail = teapotChild.Geometry.LevelsOfDetail [i];
levelOfDetail.Geometry.FirstMaterial.Multiply.Contents = colors [i];
}
SCNTransaction.Commit();
break;
}
}
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:
break;
case 1:
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.FlipOutText(SlideTextManager.TextType.Code);
TextManager.AddBulletAtLevel("Image", 0);
TextManager.AddBulletAtLevel("Name / Path / URL", 1);
TextManager.AddBulletAtLevel("NSImage / UIImage / NSData", 1);
TextManager.AddBulletAtLevel("SKTexture", 1);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
var code = TextManager.AddCode("#material.diffuse.contents = #@\"slate.jpg\"#;#");
code.Position = new SCNVector3(code.Position.X + 6, code.Position.Y - 6.5f, code.Position.Z);
Material.Diffuse.Contents = new NSImage(NSBundle.MainBundle.PathForResource("SharedTextures/slate", "jpg"));
Material.Normal.Contents = new NSImage(NSBundle.MainBundle.PathForResource("SharedTextures/slate-bump", "png"));
Material.Normal.Intensity = 0;
break;
case 2:
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1.0f;
Material.Normal.Intensity = 5.0f;
Material.Specular.Contents = NSColor.Gray;
SCNTransaction.Commit();
code = TextManager.AddCode("#material.normal.contents = #[SKTexture textureByGeneratingNormalMap]#;#");
code.Position = new SCNVector3(code.Position.X + 2, code.Position.Y - 6.5f, code.Position.Z);
break;
case 3:
TextManager.FadeOutText(SlideTextManager.TextType.Code);
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.AddBulletAtLevel("Live contents", 0);
TextManager.AddBulletAtLevel("CALayer tree", 1);
TextManager.AddBulletAtLevel("SKScene (new)", 1);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1.0f;
Material.Normal.Intensity = 2.0f;
SCNTransaction.Commit();
PlayerLayer1 = ConfigurePlayer(NSBundle.MainBundle.PathForResource("Movies/movie1", "mov"), "material-cube");
break;
case 4:
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.AddEmptyLine();
TextManager.AddBulletAtLevel("Cube map", 0);
TextManager.AddBulletAtLevel("NSArray of 6 items", 1);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
code = TextManager.AddCode("#material.reflective.contents = #@[aright.png, left.png ... front.png]#;#");
code.Position = new SCNVector3(code.Position.X, code.Position.Y - 9.5f, code.Position.Z);
var image = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/cubemap", "png"), 12, false);
image.Position = new SCNVector3(-10, 9, 0);
image.Opacity = 0;
ContentNode.AddChildNode(image);
Object.Geometry = SCNTorus.Create(W * 0.5f, W * 0.2f);
Material = Object.Geometry.FirstMaterial;
Object.Rotation = new SCNVector4(1, 0, 0, (float)Math.PI / 2);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
var right = new NSImage(NSBundle.MainBundle.PathForResource("SharedTextures/right", "tga"));
var left = new NSImage(NSBundle.MainBundle.PathForResource("SharedTextures/left", "tga"));
var top = new NSImage(NSBundle.MainBundle.PathForResource("SharedTextures/top", "tga"));
var bottom = new NSImage(NSBundle.MainBundle.PathForResource("SharedTextures/bottom", "tga"));
var back = new NSImage(NSBundle.MainBundle.PathForResource("SharedTextures/back", "tga"));
var front = new NSImage(NSBundle.MainBundle.PathForResource("SharedTextures/front", "tga"));
var materialContents = new NSMutableArray();
materialContents.AddObjects(new NSObject[] { right, left, top, bottom, back, front });
Material.Reflective.Contents = materialContents;
Material.Diffuse.Contents = NSColor.Red;
image.Opacity = 1.0f;
SCNTransaction.Commit();
break;
}
}