public override void PresentStep (int index, PresentationViewController presentationViewController)
{
switch (index) {
case 0:
// Set the slide's title
// And make the bullets we will add later to fade in
TextManager.SetTitle ("Outline");
TextManager.FadesIn = true;
break;
case 1:
TextManager.AddBulletAtLevel ("Scene graph", 0);
break;
case 2:
TextManager.AddBulletAtLevel ("Build an application with Scene Kit", 0);
break;
case 3:
TextManager.AddBulletAtLevel ("Extending with OpenGL", 0);
break;
case 4:
TextManager.AddBulletAtLevel ("What’s new in OS X 10.9", 0);
break;
case 5:
TextManager.AddBulletAtLevel ("Performance notes", 0);
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)
{
// Set the slide's title
TextManager.SetTitle ("Labs");
// Add two labs
var lab1TitleNode = Utils.SCBoxNode ("Scene Kit Lab", new CGRect (-375, -35, 750, 70), NSColor.FromCalibratedWhite (0.15f, 1.0f), 0.0f, false);
lab1TitleNode.Scale = new SCNVector3 (0.02f, 0.02f, 0.02f);
lab1TitleNode.Position = new SCNVector3 (-2.8f, 30.7f, 10.0f);
lab1TitleNode.Rotation = new SCNVector4 (1, 0, 0, (float)(Math.PI));
lab1TitleNode.Opacity = 0.0f;
var lab2TitleNode = (SCNNode)lab1TitleNode.Copy ();
lab2TitleNode.Position = new SCNVector3 (-2.8f, 29.2f, 10.0f);
ContentNode.AddChildNode (lab1TitleNode);
ContentNode.AddChildNode (lab2TitleNode);
var lab1InfoNode = AddLabInfoNode ("\nGraphics and Games Lab A\nTuesday 4:00PM", 30.7f);
var lab2InfoNode = AddLabInfoNode ("\nGraphics and Games Lab A\nWednesday 9:00AM", 29.2f);
var delayInSeconds = 0.75;
var popTime = new DispatchTime (DispatchTime.Now, (long)(delayInSeconds * Utils.NSEC_PER_SEC));
DispatchQueue.MainQueue.DispatchAfter (popTime, () => {
SCNTransaction.Begin ();
SCNTransaction.AnimationDuration = 1;
lab1TitleNode.Opacity = lab2TitleNode.Opacity = 1.0f;
lab1TitleNode.Rotation = lab2TitleNode.Rotation = new SCNVector4 (1, 0, 0, 0);
lab1InfoNode.Opacity = lab2InfoNode.Opacity = 1.0f;
lab1InfoNode.Rotation = lab2InfoNode.Rotation = new SCNVector4 (0, 1, 0, 0);
SCNTransaction.Commit ();
});
}
public override void WillOrderOut(PresentationViewController presentationViewController)
{
SCNTransaction.Begin();
// Switch the light off
LightNode.Light = null;
SCNTransaction.Commit();
}
public override void DidOrderIn(PresentationViewController presentationViewController)
{
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1.0f;
sceneGraphDiagramNode.Opacity = 1.0f;
SCNTransaction.Commit();
}
public override void WillOrderOut (PresentationViewController presentationViewController)
{
SCNTransaction.Begin ();
// Switch the light off
LightNode.Light = null;
SCNTransaction.Commit ();
}
public override void SetupSlide (PresentationViewController presentationViewController)
{
TextManager.SetTitle ("Creating a Scene");
TextManager.AddBulletAtLevel ("Creating programmatically", 0);
TextManager.AddBulletAtLevel ("Loading a scene from a file", 0);
}
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.Cyan;
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("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.Cyan;
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)
{
TextManager.SetTitle("Creating a Scene");
TextManager.AddBulletAtLevel("Creating programmatically", 0);
TextManager.AddBulletAtLevel("Loading a scene from a file", 0);
}
public override void SetupSlide (PresentationViewController presentationViewController)
{
// Create the font and the materials that will be shared among the features in the word cloud
Font = NSFont.FromFontName ("Myriad Set BoldItalic", 50) != null ? NSFont.FromFontName ("Myriad Set BoldItalic", 50) : NSFont.FromFontName ("Avenir Heavy Oblique", 50);
var frontAndBackMaterial = SCNMaterial.Create ();
var sideMaterial = SCNMaterial.Create ();
sideMaterial.Diffuse.Contents = NSColor.DarkGray;
Materials = new SCNMaterial[] { frontAndBackMaterial, sideMaterial, frontAndBackMaterial };
// Add different features to the word cloud
PlaceFeature ("Export to DAE", new CGPoint (10, -8), 0);
PlaceFeature ("OpenGL Core Profile", new CGPoint (-16, -7), 0.05f);
PlaceFeature ("Warmup", new CGPoint (-12, -10), 0.1f);
PlaceFeature ("Constraints", new CGPoint (-10, 6), 0.15f);
PlaceFeature ("Custom projection", new CGPoint (4, 9), 0.2f);
PlaceFeature ("Skinning", new CGPoint (-4, 8), 0.25f);
PlaceFeature ("Morphing", new CGPoint (-3, -8), 0.3f);
PlaceFeature ("Performance Statistics", new CGPoint (-1, 6), 0.35f);
PlaceFeature ("CIFilters", new CGPoint (1, 5), 0.85f);
PlaceFeature ("GLKit Math", new CGPoint (3, -10), 0.45f);
PlaceFeature ("Depth of Field", new CGPoint (-0.5f, 0), 0.47f);
PlaceFeature ("Animation Events", new CGPoint (5, 3), 0.50f);
PlaceFeature ("Shader Modifiers", new CGPoint (7, 2), 0.95f);
PlaceFeature ("GOBO", new CGPoint (-10, 1), 0.60f);
PlaceFeature ("Ray testing", new CGPoint (-8, 0), 0.65f);
PlaceFeature ("Skybox", new CGPoint (8, -1), 0.7f);
PlaceFeature ("Fresnel", new CGPoint (6, -2), 0.75f);
PlaceFeature ("SCNShape", new CGPoint (-6, -3), 0.8f);
PlaceFeature ("Levels of detail", new CGPoint (-11, 3), 0.9f);
PlaceFeature ("Animation blending", new CGPoint (-2, -5), 1);
}
public override void PresentStep (int index, PresentationViewController presentationViewController)
{
// Animate by default
SCNTransaction.Begin ();
switch (index) {
case 0:
// Disable animations for first step
SCNTransaction.AnimationDuration = 0;
// Initially dim the torus
AnimatedNode.Opacity = 0.25f;
TextManager.HighlightCodeChunks (null);
break;
case 1:
TextManager.HighlightCodeChunks (new int[] { 0, 1 });
break;
case 2:
TextManager.HighlightCodeChunks (new int[] { 2, 3 });
break;
case 3:
TextManager.HighlightCodeChunks (new int[] { 4 });
// Animate implicitly
SCNTransaction.AnimationDuration = 2.0f;
AnimatedNode.Opacity = 1.0f;
AnimatedNode.Rotation = new SCNVector4 (0, 1, 0, (float)(Math.PI * 4));
break;
}
SCNTransaction.Commit ();
}
public override void PresentStep (int index, PresentationViewController presentationViewController)
{
// Set the slide's title
TextManager.SetTitle ("Labs");
// Add two labs
var lab1TitleNode = Utils.SCBoxNode ("Scene Kit Lab", new CGRect (-375, -35, 750, 70), NSColor.FromCalibratedWhite (0.15f, 1.0f), 0.0f, false);
lab1TitleNode.Scale = new SCNVector3 (0.02f, 0.02f, 0.02f);
lab1TitleNode.Position = new SCNVector3 (-2.8f, 30.7f, 10.0f);
lab1TitleNode.Rotation = new SCNVector4 (1, 0, 0, (float)(Math.PI));
lab1TitleNode.Opacity = 0.0f;
var lab2TitleNode = (SCNNode)lab1TitleNode.Copy ();
lab2TitleNode.Position = new SCNVector3 (-2.8f, 29.2f, 10.0f);
ContentNode.AddChildNode (lab1TitleNode);
ContentNode.AddChildNode (lab2TitleNode);
var lab1InfoNode = AddLabInfoNode ("\nGraphics and Games Lab A\nTuesday 4:00PM", 30.7f);
var lab2InfoNode = AddLabInfoNode ("\nGraphics and Games Lab A\nWednesday 9:00AM", 29.2f);
var delayInSeconds = 0.75;
var popTime = new DispatchTime (DispatchTime.Now, (long)(delayInSeconds * Utils.NSEC_PER_SEC));
DispatchQueue.MainQueue.DispatchAfter (popTime, () => {
SCNTransaction.Begin ();
SCNTransaction.AnimationDuration = 1;
lab1TitleNode.Opacity = lab2TitleNode.Opacity = 1.0f;
lab1TitleNode.Rotation = lab2TitleNode.Rotation = new SCNVector4 (1, 0, 0, 0);
lab1InfoNode.Opacity = lab2InfoNode.Opacity = 1.0f;
lab1InfoNode.Rotation = lab2InfoNode.Rotation = new SCNVector4 (0, 1, 0, 0);
SCNTransaction.Commit ();
});
}
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 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)
{
// 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 void GoTo(object sender, EventArgs e)
{
var item = sender as NSMenuItem;
var index = (NSNumber)(item.RepresentedObject);
PresentationViewController.GoToSlide(index.Int32Value);
}
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)
{
// 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 List<SCNNode> ();
foreach (SCNNode child in signNode) {
if (child.Camera != null)
cameraNodes.Add (child);
}
for (var i = 0; i < cameraNodes.Count; i++) {
var cameraNode = cameraNodes [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 WillOrderOut(PresentationViewController presentationViewController)
{
SCNTransaction.Begin();
// Restore the default point of view before leaving this slide
((SCNView)presentationViewController.View).PointOfView = presentationViewController.CameraNode;
SCNTransaction.Commit();
}
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.Cyan;
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)
{
// 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 SetupSlide(PresentationViewController presentationViewController)
{
// Create the font and the materials that will be shared among the features in the word cloud
Font = NSFont.FromFontName("Myriad Set BoldItalic", 50) != null?NSFont.FromFontName("Myriad Set BoldItalic", 50) : NSFont.FromFontName("Avenir Heavy Oblique", 50);
var frontAndBackMaterial = SCNMaterial.Create();
var sideMaterial = SCNMaterial.Create();
sideMaterial.Diffuse.Contents = NSColor.DarkGray;
Materials = new SCNMaterial[] { frontAndBackMaterial, sideMaterial, frontAndBackMaterial };
// Add different features to the word cloud
PlaceFeature("Export to DAE", new CGPoint(10, -8), 0);
PlaceFeature("OpenGL Core Profile", new CGPoint(-16, -7), 0.05f);
PlaceFeature("Warmup", new CGPoint(-12, -10), 0.1f);
PlaceFeature("Constraints", new CGPoint(-10, 6), 0.15f);
PlaceFeature("Custom projection", new CGPoint(4, 9), 0.2f);
PlaceFeature("Skinning", new CGPoint(-4, 8), 0.25f);
PlaceFeature("Morphing", new CGPoint(-3, -8), 0.3f);
PlaceFeature("Performance Statistics", new CGPoint(-1, 6), 0.35f);
PlaceFeature("CIFilters", new CGPoint(1, 5), 0.85f);
PlaceFeature("GLKit Math", new CGPoint(3, -10), 0.45f);
PlaceFeature("Depth of Field", new CGPoint(-0.5f, 0), 0.47f);
PlaceFeature("Animation Events", new CGPoint(5, 3), 0.50f);
PlaceFeature("Shader Modifiers", new CGPoint(7, 2), 0.95f);
PlaceFeature("GOBO", new CGPoint(-10, 1), 0.60f);
PlaceFeature("Ray testing", new CGPoint(-8, 0), 0.65f);
PlaceFeature("Skybox", new CGPoint(8, -1), 0.7f);
PlaceFeature("Fresnel", new CGPoint(6, -2), 0.75f);
PlaceFeature("SCNShape", new CGPoint(-6, -3), 0.8f);
PlaceFeature("Levels of detail", new CGPoint(-11, 3), 0.9f);
PlaceFeature("Animation blending", new CGPoint(-2, -5), 1);
}
public override void PresentStep(int index, PresentationViewController presentationViewController)
{
switch (index)
{
case 0:
// Set the slide's title
// And make the bullets we will add later to fade in
TextManager.SetTitle("Outline");
TextManager.FadesIn = true;
break;
case 1:
TextManager.AddBulletAtLevel("Scene graph", 0);
break;
case 2:
TextManager.AddBulletAtLevel("Build an application with Scene Kit", 0);
break;
case 3:
TextManager.AddBulletAtLevel("Extending with OpenGL", 0);
break;
case 4:
TextManager.AddBulletAtLevel("What’s new in OS X 10.9", 0);
break;
case 5:
TextManager.AddBulletAtLevel("Performance notes", 0);
break;
}
}
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 DidOrderIn (PresentationViewController presentationViewController)
{
SCNTransaction.Begin ();
SCNTransaction.AnimationDuration = 1.0f;
sceneGraphDiagramNode.Opacity = 1.0f;
SCNTransaction.Commit ();
}
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.Cyan;
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:
// 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 WillOrderOut(PresentationViewController presentationViewController)
{
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
presentationViewController.CameraNode.Constraints = null;
presentationViewController.SpotLight.Constraints = null;
SCNTransaction.Commit();
}
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);
}
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);
}
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("Extending Scene Kit with OpenGL");
TextManager.SetSubtitle("Scene delegate rendering");
TextManager.AddBulletAtLevel("Custom GL code, free of constraints", 0);
TextManager.AddBulletAtLevel("Before and/or after scene rendering", 0);
TextManager.AddBulletAtLevel("Works with SCNView, SCNLayer and SCNRenderer", 0);
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
TextManager.SetTitle("Extending Scene Kit with OpenGL");
TextManager.AddBulletAtLevel("Scene delegate rendering", 0);
TextManager.AddBulletAtLevel("Node delegate rendering", 0);
TextManager.AddBulletAtLevel("Material custom program", 0);
TextManager.AddBulletAtLevel("Shader modifiers", 0);
}
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("Scene Manipulation");
TextManager.SetSubtitle("Animating");
TextManager.AddBulletAtLevel("Properties are animatable", 0);
TextManager.AddBulletAtLevel("Implicit and explicit animations", 0);
TextManager.AddBulletAtLevel("Same programming model as Core Animation", 0);
}
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 SetupSlide (PresentationViewController presentationViewController)
{
TextManager.SetTitle ("Extending Scene Kit with OpenGL");
TextManager.SetSubtitle ("Scene delegate rendering");
TextManager.AddBulletAtLevel ("Custom GL code, free of constraints", 0);
TextManager.AddBulletAtLevel ("Before and/or after scene rendering", 0);
TextManager.AddBulletAtLevel ("Works with SCNView, SCNLayer and SCNRenderer", 0);
}
public override void SetupSlide (PresentationViewController presentationViewController)
{
TextManager.SetTitle ("Extending Scene Kit with OpenGL");
TextManager.AddBulletAtLevel ("Scene delegate rendering", 0);
TextManager.AddBulletAtLevel ("Node delegate rendering", 0);
TextManager.AddBulletAtLevel ("Material custom program", 0);
TextManager.AddBulletAtLevel ("Shader modifiers", 0);
}
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 SetupSlide (PresentationViewController presentationViewController)
{
TextManager.SetTitle ("Scene Manipulation");
TextManager.SetSubtitle ("Animating");
TextManager.AddBulletAtLevel ("Properties are animatable", 0);
TextManager.AddBulletAtLevel ("Implicit and explicit animations", 0);
TextManager.AddBulletAtLevel ("Same programming model as Core Animation", 0);
}
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 PresentStep(int index, PresentationViewController presentationViewController)
{
SCNTransaction.Begin();
switch (index)
{
case 0:
// Set the slide's title and subtitle and add some text
TextManager.SetTitle("Skinning");
TextManager.AddBulletAtLevel("Animate characters", 0);
TextManager.AddBulletAtLevel("Deform geometries with a skeleton", 0);
TextManager.AddBulletAtLevel("Joints and bones", 0);
// Animate the character
CharacterNode.AddAnimation(IdleAnimationGroup, new NSString("idleAnimation"));
// The character is hidden. Wait a little longer before showing it
// otherwise it may slow down the transition from the previous slide
var delayInSeconds = 1.5;
var popTime = new DispatchTime(DispatchTime.Now, (long)(delayInSeconds * Utils.NSEC_PER_SEC));
DispatchQueue.MainQueue.DispatchAfter(popTime, () => {
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0;
CharacterNode.Hidden = false;
CharacterNode.Opacity = 0;
SCNTransaction.Commit();
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1.5;
SCNTransaction.AnimationTimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseIn);
CharacterNode.Opacity = 1;
SCNTransaction.Commit();
});
break;
case 1:
SCNTransaction.AnimationDuration = 1.5f;
//TODO SetShowsBones (true);
break;
case 2:
CharacterNode.AddAnimation(AnimationGroup1, new NSString("animation"));
break;
case 3:
SCNTransaction.AnimationDuration = 1.5f;
//TODO SetShowsBones (false);
break;
case 4:
CharacterNode.AddAnimation(AnimationGroup1, new NSString("animation"));
break;
}
SCNTransaction.Commit();
}
public override void PresentStep(int index, PresentationViewController presentationViewController)
{
// Animate by default
SCNTransaction.Begin();
switch (index)
{
case 0:
// Disable animations for first step
SCNTransaction.AnimationDuration = 0;
// Initially dim the torus
AnimatedNode.Opacity = 0.0f;
TextManager.HighlightCodeChunks(null);
break;
case 1:
TextManager.HighlightCodeChunks(new int[] { 0 });
break;
case 2:
TextManager.HighlightCodeChunks(new int[] { 1, 2, 3 });
break;
case 3:
TextManager.HighlightCodeChunks(new int[] { 4, 5 });
break;
case 4:
SCNTransaction.AnimationDuration = 1.0f;
// Show the torus
AnimatedNode.Opacity = 1.0f;
// Animate explicitly
var animation = CABasicAnimation.FromKeyPath("rotation");
animation.Duration = 2.0f;
animation.To = NSValue.FromVector(new SCNVector4(0, 1, 0, (float)(Math.PI * 2)));
animation.RepeatCount = float.MaxValue;
AnimatedNode.AddAnimation(animation, new NSString("myAnimation"));
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
// Dim the text
TextManager.TextNode.Opacity = 0.75f;
presentationViewController.CameraHandle.Position = presentationViewController.CameraHandle.ConvertPositionToNode(new SCNVector3(9, 8, 15), presentationViewController.CameraHandle.ParentNode);
presentationViewController.CameraPitch.Rotation = new SCNVector4(1, 0, 0, -(float)(Math.PI / 10));
SCNTransaction.Commit();
break;
}
SCNTransaction.Commit();
}
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;
case 4:
// Remove the code
TextManager.FadeOutText (SlideTextManager.TextType.Subtitle);
TextManager.FadeOutText (SlideTextManager.TextType.Code);
// Move the camera and adjust tje focal distance
presentationViewController.CameraHandle.Position = presentationViewController.CameraHandle.ConvertPositionToNode (new SCNVector3 (0, -3, -6), presentationViewController.CameraHandle.ParentNode);
cameraNode.Camera.FocalDistance = 27;
// Move the light back a little
presentationViewController.MainLight.Position = presentationViewController.MainLight.ConvertPositionToNode (new SCNVector3 (0, 3, 6), presentationViewController.MainLight.ParentNode);
break;
case 5:
// Focus near
cameraNode.Camera.FocalDistance = 10;
cameraNode.Camera.FocalSize = 1;
cameraNode.Camera.Aperture = 0.3f;
break;
}
SCNTransaction.Commit ();
}
public override void SetupSlide (PresentationViewController presentationViewController)
{
TextManager.SetTitle ("Scene Kit Editor");
TextManager.AddBulletAtLevel ("Built into Xcode", 0);
TextManager.AddBulletAtLevel ("Scene information", 0);
TextManager.AddBulletAtLevel ("Preview final rendering", 0);
TextManager.AddBulletAtLevel ("Scene graph inspection", 0);
TextManager.AddBulletAtLevel ("Adjust lightning and materials", 0);
TextManager.AddBulletAtLevel ("Preview animations and performance", 0);
}
public override void SetupSlide (PresentationViewController presentationViewController)
{
// Set the slide's title and subtitle and add some text
TextManager.SetTitle ("Performance");
TextManager.SetSubtitle ("Lighting");
TextManager.AddBulletAtLevel ("Minimize the number of lights", 0);
TextManager.AddBulletAtLevel ("Prefer static than dynamic shadows", 0);
TextManager.AddBulletAtLevel ("Use material's \"multiply\" property", 0);
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
TextManager.SetTitle("Scene Kit Editor");
TextManager.AddBulletAtLevel("Built into Xcode", 0);
TextManager.AddBulletAtLevel("Scene information", 0);
TextManager.AddBulletAtLevel("Preview final rendering", 0);
TextManager.AddBulletAtLevel("Scene graph inspection", 0);
TextManager.AddBulletAtLevel("Adjust lightning and materials", 0);
TextManager.AddBulletAtLevel("Preview animations and performance", 0);
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
// Set the slide's title and subtitle and add some text
TextManager.SetTitle("Performance");
TextManager.SetSubtitle("Lighting");
TextManager.AddBulletAtLevel("Minimize the number of lights", 0);
TextManager.AddBulletAtLevel("Prefer static than dynamic shadows", 0);
TextManager.AddBulletAtLevel("Use material's \"multiply\" property", 0);
}
public override void SetupSlide (PresentationViewController presentationViewController)
{
var labelNode = Utils.SCLabelNode ("XAMARIN 2014", Utils.LabelSize.Normal, false);
labelNode.Position = new SCNVector3 (-3.6f, 29.5f, 20);
// Reducing the text's flatness makes it smoother, less tesselated
var text = (SCNText)labelNode.Geometry;
text.Flatness = 0.1f;
ContentNode.AddChildNode (labelNode);
}
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("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)
{
// 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 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("Basics");
TextManager.AddBulletAtLevel("Retrieve nodes", 0);
TextManager.AddBulletAtLevel("Move, scale and rotate", 0);
TextManager.AddBulletAtLevel("Animate", 0);
TextManager.AddBulletAtLevel("Change colors and images", 0);
TextManager.AddBulletAtLevel("Change lighting", 0);
TextManager.AddBulletAtLevel("Clone", 0);
}
public override void SetupSlide (PresentationViewController presentationViewController)
{
RedColor = NSColor.FromDeviceRgba (168.0f / 255.0f, 21.0f / 255.0f, 0.0f / 255.0f, 1);
GreenColor = NSColor.FromDeviceRgba (154.0f / 255.0f, 197.0f / 255.0f, 58.0f / 255.0f, 1);
BlueColor = NSColor.FromDeviceRgba (49.0f / 255.0f, 80.0f / 255.0f, 201.0f / 255.0f, 1);
PurpleColor = NSColor.FromDeviceRgba (190.0f / 255.0f, 56.0f / 255.0f, 243.0f / 255.0f, 1);
// Create the diagram but hide it
DiagramNode = CloningDiagramNode ();
DiagramNode.Opacity = 0.0f;
ContentNode.AddChildNode (DiagramNode);
}
public override void SetupSlide (PresentationViewController presentationViewController)
{
TextManager.SetTitle ("Scene Manipulation");
TextManager.SetSubtitle ("Basics");
TextManager.AddBulletAtLevel ("Retrieve nodes", 0);
TextManager.AddBulletAtLevel ("Move, scale and rotate", 0);
TextManager.AddBulletAtLevel ("Animate", 0);
TextManager.AddBulletAtLevel ("Change colors and images", 0);
TextManager.AddBulletAtLevel ("Change lighting", 0);
TextManager.AddBulletAtLevel ("Clone", 0);
}
public void PopulateGoMenu()
{
for (int i = 0; i < PresentationViewController.NumberOfSlides; i++)
{
var slideName = PresentationViewController.ClassOfSlide(i).ToString();
var splitedString = slideName.Split('.');
var title = i + " " + splitedString[1].Substring(5);
var item = new NSMenuItem(title, GoTo);
item.RepresentedObject = new NSNumber(i);
GoMenu.AddItem(item);
}
}
public override void PresentStep (int index, PresentationViewController presentationViewController)
{
TextManager.SetTitle ("Creating a Scene");
TextManager.AddBulletAtLevel ("Creating programmatically", 0);
TextManager.AddBulletAtLevel ("Loading a scene from a file", 0);
var delayInSeconds = 1.0;
var popTime = new DispatchTime (DispatchTime.Now, (long)(delayInSeconds * Utils.NSEC_PER_SEC));
DispatchQueue.MainQueue.DispatchAfter (popTime, () => {
TextManager.HighlightBullet (1);
});
}