public override void DidOrderIn(PresentationViewController presentationViewController)
{
var banana = Utils.SCAddChildNode(ContentNode, "banana", "Scenes.scnassets/banana/banana", 5);
banana.Rotation = new SCNVector4(1, 0, 0, -(float)(Math.PI / 2));
banana.RunAction(SCNAction.RepeatActionForever(SCNAction.RotateBy(0, NMath.PI * 2, 0, 1.5f)));
banana.Position = new SCNVector3(2.5f, 5, 10);
var gaussianBlurFilter = new CIGaussianBlur()
{
Radius = 10
};
gaussianBlurFilter.SetDefaults();
banana.Filters = new CIFilter[] { gaussianBlurFilter };
banana = (SCNNode)banana.Copy();
ContentNode.AddChildNode(banana);
banana.Position = new SCNVector3(6, 5, 10);
var pixellateFilter = new CIPixellate();
pixellateFilter.SetDefaults();
banana.Filters = new CIFilter[] { pixellateFilter };
banana = (SCNNode)banana.Copy();
ContentNode.AddChildNode(banana);
banana.Position = new SCNVector3(9.5f, 5, 10);
var filter = CIFilter.FromName("CIEdgeWork");
filter.SetDefaults();
banana.Filters = new CIFilter[] { filter };
}
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 Slide()
{
ContentNode = SCNNode.Create();
GroundNode = SCNNode.Create();
ContentNode.AddChildNode(GroundNode);
TextManager = new SlideTextManager();
ContentNode.AddChildNode(TextManager.TextNode);
// Default parameters
LightIntensities = new float[] { 1.0f };
MainLightPosition = new SCNVector3(0, 3, -13);
EnableShadows = false;
FloorImageName = null;
FloorImageExtension = null;
FloorReflectivity = 0.25f;
FloorFalloff = 3.0f;
TransitionDuration = 1.0f;
TransitionOffsetX = 0.0f;
TransitionOffsetZ = 0.0f;
TransitionRotation = 0.0f;
Altitude = 5.0f;
Pitch = 0.0f;
IsNewIn10_9 = false;
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
// Set the slide's title and subtitle and add some text
TextManager.SetTitle("Materials");
TextManager.SetSubtitle("Property contents");
TextManager.AddBulletAtLevel("Color", 0);
TextManager.AddBulletAtLevel("CGColorRef / NSColor / UIColor", 0);
var node = SCNNode.Create();
node.Name = "material-cube";
node.Geometry = SCNBox.Create(W, W, W, W * 0.02f);
Material = node.Geometry.FirstMaterial;
Material.Diffuse.Contents = NSColor.Red;
Object = node;
node.Position = new SCNVector3(8, 11, 0);
ContentNode.AddChildNode(node);
node.RunAction(SCNAction.RepeatActionForever(SCNAction.RotateBy((float)Math.PI * 2, new SCNVector3(0.4f, 1, 0), 4)));
MaterialLayerSlideReference = this;
}
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 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);
}
private void AddBox(string title, CGRect frame, int level, NSColor color)
{
var node = Utils.SCBoxNode(title, frame, color, 2.0f, true);
node.Scale = new SCNVector3(0.02f, 0.02f, 0.02f);
node.Position = new SCNVector3(-5, 1.5f * level, 10);
ContentNode.AddChildNode(node);
}
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)
{
// Set the slide's title
TextManager.SetTitle("Labs");
var relatedImage = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/labs", "png"), 35, false);
relatedImage.Position = new SCNVector3(0, 30, 0);
relatedImage.CastsShadow = false;
ContentNode.AddChildNode(relatedImage);
}
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);
}
private void AddBox(string title, CGRect frame, int level, NSColor color)
{
var node = Utils.SCBoxNode(title, frame, color, 2.0f, true);
node.Pivot = SCNMatrix4.CreateTranslation(0, frame.Size.Height / 2, 0);
node.Scale = new SCNVector3(0.02f, 0.02f, 0.02f);
node.Position = new SCNVector3(-5, (0.02f * frame.Size.Height / 2) + (1.5f * level), 10.0f);
node.Rotation = new SCNVector4(1, 0, 0, (float)(Math.PI / 2));
node.Opacity = 0.0f;
ContentNode.AddChildNode(node);
Boxes.Add(node);
}
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)
{
// Add some text
TextManager.SetTitle("Renderers");
TextManager.SetSubtitle("View creation in Interface Builder");
TextManager.AddBulletAtLevel("Drag an SCNView from the library", 0);
// And an image
var imageNode = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/renderers/Interface Builder", "png"), 8.3f, false);
imageNode.Position = new SCNVector3(0.0f, 3.2f, 11.0f);
ContentNode.AddChildNode(imageNode);
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
TextManager.SetTitle("Renderers");
// Add labels
var node = Utils.SCLabelNode("SCNView", Utils.LabelSize.Normal, true);
node.Position = new SCNVector3(-14, 7, 0);
ContentNode.AddChildNode(node);
node = Utils.SCLabelNode("SCNLayer", Utils.LabelSize.Normal, true);
node.Position = new SCNVector3(-2.2f, 7, 0);
ContentNode.AddChildNode(node);
node = Utils.SCLabelNode("SCNRenderer", Utils.LabelSize.Normal, true);
node.Position = new SCNVector3(9.5f, 7, 0);
ContentNode.AddChildNode(node);
// Add images - SCNView
var box = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/renderers/renderer-window", "png"), 8, true);
box.Position = new SCNVector3(-10, 3, 5);
ContentNode.AddChildNode(box);
box = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/renderers/teapot", "tiff"), 6, true);
box.Position = new SCNVector3(-10, 3, 5.1f);
ContentNode.AddChildNode(box);
// Add images - SCNLayer
box = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/renderers/renderer-layer", "png"), 7.4f, true);
box.Position = new SCNVector3(0, 3.5f, 5);
box.Rotation = new SCNVector4(0, 0, 1, (float)(Math.PI / 20));
ContentNode.AddChildNode(box);
box = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/renderers/teapot", "tiff"), 6, true);
box.Position = new SCNVector3(0, 3.5f, 5.1f);
box.Rotation = new SCNVector4(0, 0, 1, (float)(Math.PI / 20));
ContentNode.AddChildNode(box);
// Add images - SCNRenderer
box = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/renderers/renderer-framebuffer", "png"), 8, true);
box.Position = new SCNVector3(10, 3.2f, 5);
ContentNode.AddChildNode(box);
box = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/renderers/teapot", "tiff"), 6, true);
box.Position = new SCNVector3(10, 3, 5.1f);
ContentNode.AddChildNode(box);
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
TextManager.SetTitle("Depth of Field");
TextManager.SetSubtitle("SCNCamera");
// Create a node that will contain the chess board
var intermediateNode = SCNNode.Create();
intermediateNode.Scale = new SCNVector3(35.0f, 35.0f, 35.0f);
intermediateNode.Position = new SCNVector3(0, 2.1f, 20);
intermediateNode.Rotation = new SCNVector4(1, 0, 0, -(float)(Math.PI / 2));
ContentNode.AddChildNode(intermediateNode);
// Load the chess model and add to "intermediateNode"
Utils.SCAddChildNode(intermediateNode, "Line01", "Scenes.scnassets/chess/chess", 1);
}
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);
}
private SCNNode AddLabInfoNode(string title, float yPosition)
{
var labInfoNode = Utils.SCBoxNode (title, new CGRect (0, 0, 293.33f, 93.33f), NSColor.FromDeviceRgba (31 / 255, 31 / 255, 31 / 255, 1), 0.0f, false);
labInfoNode.Scale = new SCNVector3 (0.015f, 0.015f, 0.015f);
labInfoNode.Pivot = SCNMatrix4.CreateTranslation (new SCNVector3 (145.33f, 46.66f, 5));
labInfoNode.Position = new SCNVector3 (6.9f, yPosition, 10.0f);
labInfoNode.Rotation = new SCNVector4 (0, 1, 0, (float)(Math.PI));
labInfoNode.Opacity = 0.0f;
var colorBox = Utils.SCBoxNode (null, new CGRect (293.33f, 0, 40, 93.33f), NSColor.FromDeviceRgba (1, 214 / 255, 37 / 255, 1), 0.0f, false);
colorBox.Geometry.FirstMaterial.LightingModelName = SCNLightingModel.Constant;
ContentNode.AddChildNode (labInfoNode);
labInfoNode.AddChildNode (colorBox);
return labInfoNode;
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
TextManager.SetTitle("Materials");
TextManager.AddBulletAtLevel("Determines the appearance of the geometry", 0);
TextManager.AddBulletAtLevel("SCNMaterial", 0);
TextManager.AddBulletAtLevel("Material properties", 0);
TextManager.AddBulletAtLevel("SCNMaterialProperty", 1);
TextManager.AddBulletAtLevel("Contents is a color or an image", 1);
// Prepare the diagram but hide it for now
SceneGraphDiagramNode = SlideSceneGraph.SharedScenegraphDiagramNode();
SlideSceneGraph.ScenegraphDiagramGoToStep(0);
SceneGraphDiagramNode.Position = new SCNVector3(3.0f, 8.0f, 0);
SceneGraphDiagramNode.Opacity = 0.0f;
ContentNode.AddChildNode(SceneGraphDiagramNode);
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
// Add some text
TextManager.SetTitle("Displaying the Scene");
TextManager.SetSubtitle("Game Template");
TextManager.AddBulletAtLevel("Start with the Xcode game template", 0);
TextManager.AddBulletAtLevel("Or drag an SCNView from the library", 0);
// And an image
var imageNode = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/renderers/Interface Builder", "png"), 8.3f, false);
imageNode.Position = new SCNVector3(-4.0f, 3.2f, 11.0f);
ContentNode.AddChildNode(imageNode);
imageNode = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/game_big", "png"), 7, false);
imageNode.Position = new SCNVector3(5.0f, 3.5f, 11.0f);
imageNode.Geometry.FirstMaterial.Diffuse.MagnificationFilter = SCNFilterMode.Nearest;
ContentNode.AddChildNode(imageNode);
}
private void PlaceFeature(string message, CGPoint p, float offset)
{
// Create and configure a node with a text geometry, and add it to the scene
var text = SCNText.Create(message, 5);
text.Font = Font;
text.Flatness = 0.4f;
text.Materials = Materials;
var textNode = SCNNode.Create();
textNode.Geometry = text;
textNode.Position = new SCNVector3(p.X, p.Y + Altitude, 0);
textNode.Scale = new SCNVector3(0.02f, 0.02f, 0.02f);
ContentNode.AddChildNode(textNode);
// Animation the node's position and opacity
var positionAnimation = CABasicAnimation.FromKeyPath("position.z");
positionAnimation.From = NSNumber.FromInt16(-10);
positionAnimation.To = NSNumber.FromInt16(14);
positionAnimation.Duration = 7.0f;
positionAnimation.TimeOffset = -offset * positionAnimation.Duration;
positionAnimation.RepeatCount = float.MaxValue;
textNode.AddAnimation(positionAnimation, new NSString("positionAnimation"));
var opacityAnimation = CAKeyFrameAnimation.FromKeyPath("opacity");
opacityAnimation.KeyTimes = new NSNumber[] { 0.0f, 0.2f, 0.9f, 1.0f };
opacityAnimation.Values = new NSNumber[] { 0.0f, 1.0f, 1.0f, 0.0f };
opacityAnimation.Duration = positionAnimation.Duration;
opacityAnimation.TimeOffset = positionAnimation.TimeOffset;
opacityAnimation.RepeatCount = float.MaxValue;
textNode.AddAnimation(opacityAnimation, new NSString("opacityAnimation"));
}
public override void PresentStep(int index, PresentationViewController presentationViewController)
{
// Animate by default
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0;
switch (index)
{
case 0:
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
break;
case 1:
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.AddEmptyLine();
TextManager.AddCode("#// Rotate forever\n"
+ "[aNode #runAction:#\n"
+ " [SCNAction repeatActionForever:\n"
+ " [SCNAction rotateByX:0 y:M_PI*2 z:0 duration:5.0]]];#");
TextManager.FlipInText(SlideTextManager.TextType.Code);
break;
case 2:
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.FlipOutText(SlideTextManager.TextType.Code);
TextManager.AddBulletAtLevel("Move", 0);
TextManager.AddBulletAtLevel("Rotate", 0);
TextManager.AddBulletAtLevel("Scale", 0);
TextManager.AddBulletAtLevel("Opacity", 0);
TextManager.AddBulletAtLevel("Remove", 0);
TextManager.AddBulletAtLevel("Wait", 0);
TextManager.AddBulletAtLevel("Custom block", 0);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
break;
case 3:
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.AddEmptyLine();
TextManager.AddBulletAtLevel("Directly targets the render tree", 0);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
break;
case 4:
TextManager.AddBulletAtLevel("node.position / node.presentationNode.position", 0);
//labels
var label1 = TextManager.AddTextAtLevel("Action", 0);
label1.Position = new SCNVector3(-15, 3, 0);
var label2 = TextManager.AddTextAtLevel("Animation", 0);
label2.Position = new SCNVector3(-15, -2, 0);
//animation
var animNode = SCNNode.Create();
var cubeSize = 4.0f;
animNode.Position = new SCNVector3(-5, cubeSize / 2, 0);
var cube = SCNBox.Create(cubeSize, cubeSize, cubeSize, 0.05f * cubeSize);
cube.FirstMaterial.Diffuse.Contents = new NSImage(NSBundle.MainBundle.PathForResource("SharedTextures/texture", "png"));
cube.FirstMaterial.Diffuse.MipFilter = SCNFilterMode.Linear;
cube.FirstMaterial.Diffuse.WrapS = SCNWrapMode.Repeat;
cube.FirstMaterial.Diffuse.WrapT = SCNWrapMode.Repeat;
animNode.Geometry = cube;
ContentNode.AddChildNode(animNode);
SCNTransaction.Begin();
SCNNode animPosIndicator = null;
SCNAnimationEvent startEvt = SCNAnimationEvent.Create(0, (CAAnimation animation, NSObject animatedObject, bool playingBackward) => {
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0;
animPosIndicator.Position = new SCNVector3(10, animPosIndicator.Position.Y, animPosIndicator.Position.Z);
SCNTransaction.Commit();
});
SCNAnimationEvent endEvt = SCNAnimationEvent.Create(1, (CAAnimation animation, NSObject animatedObject, bool playingBackward) => {
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0;
animPosIndicator.Position = new SCNVector3(-5, animPosIndicator.Position.Y, animPosIndicator.Position.Z);
SCNTransaction.Commit();
});
var anim = CABasicAnimation.FromKeyPath("position.x");
anim.Duration = 3;
anim.From = new NSNumber(0.0);
anim.To = new NSNumber(15.0);
anim.Additive = true;
anim.AutoReverses = true;
anim.AnimationEvents = new SCNAnimationEvent[] { startEvt, endEvt };
anim.RepeatCount = float.MaxValue;
animNode.AddAnimation(anim, new NSString("cubeAnimation"));
//action
var actionNode = SCNNode.Create();
actionNode.Position = new SCNVector3(-5, cubeSize * 1.5f + 1, 0);
actionNode.Geometry = cube;
ContentNode.AddChildNode(actionNode);
var mv = SCNAction.MoveBy(15, 0, 0, 3);
actionNode.RunAction(SCNAction.RepeatActionForever(SCNAction.Sequence(new SCNAction[] {
mv,
mv.ReversedAction()
})));
//position indicator
var positionIndicator = SCNNode.Create();
positionIndicator.Geometry = SCNCylinder.Create(0.5f, 0.01f);
positionIndicator.Geometry.FirstMaterial.Diffuse.Contents = NSColor.Red;
positionIndicator.Geometry.FirstMaterial.LightingModelName = SCNLightingModel.Constant;
positionIndicator.EulerAngles = new SCNVector3(NMath.PI / 2, 0, 0);
positionIndicator.Position = new SCNVector3(0, 0, cubeSize * 0.5f);
actionNode.AddChildNode(positionIndicator);
//anim pos indicator
animPosIndicator = positionIndicator.Clone();
animPosIndicator.Position = new SCNVector3(5, cubeSize / 2, cubeSize * 0.5f);
ContentNode.AddChildNode(animPosIndicator);
SCNTransaction.Commit();
break;
}
SCNTransaction.Commit();
}
public override void PresentStep(int index, PresentationViewController presentationViewController)
{
//animate by default
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
switch (index)
{
case 0:
SCNTransaction.AnimationDuration = 0;
// Set the slide's title and subtitle and add some text
TextManager.SetTitle("Morphing");
TextManager.AddBulletAtLevel("Linear morph between multiple targets", 0);
// Initial state, no ambient occlusion
// This also shows how uniforms from shader modifiers can be set using KVC
MapNode.Geometry.SetValueForKey(new NSNumber(0), new NSString("ambientOcclusionYFactor"));
break;
case 1:
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
// Reveal the map and show the gauges
MapNode.Opacity = 1.0f;
GaugeAProgressNode = SCNNode.Create();
GaugeBProgressNode = SCNNode.Create();
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0;
GaugeANode = Utils.SCGaugeNode("Target A", ref GaugeAProgressNode);
GaugeANode.Position = new SCNVector3(-10.5f, 15, -5);
ContentNode.AddChildNode(GaugeANode);
GaugeBNode = Utils.SCGaugeNode("Target B", ref GaugeBProgressNode);
GaugeBNode.Position = new SCNVector3(-10.5f, 13, -5);
ContentNode.AddChildNode(GaugeBNode);
SCNTransaction.Commit();
break;
case 2:
// Morph and update the gauges
GaugeAProgressNode.Scale = new SCNVector3(1, 1, 1);
MapNode.Morpher.SetWeight(0.65f, 0);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
GaugeAProgressNode.Opacity = 1.0f;
SCNTransaction.Commit();
var shadowPlane = MapNode.ChildNodes [0];
shadowPlane.Scale = new SCNVector3(0.35f, 1, 1);
MapNode.ParentNode.Rotation = new SCNVector4(1, 0, 0, -(float)(Math.PI / 4) * 0.75f);
break;
case 3:
// Morph and update the gauges
GaugeAProgressNode.Scale = new SCNVector3(1, 0.01f, 1);
MapNode.Morpher.SetWeight(0, 0);
shadowPlane = MapNode.ChildNodes [0];
shadowPlane.Scale = new SCNVector3(1, 1, 1);
MapNode.ParentNode.Rotation = new SCNVector4(1, 0, 0, 0);
SCNTransaction.SetCompletionBlock(() => {
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.5f;
GaugeAProgressNode.Opacity = 0.0f;
SCNTransaction.Commit();
});
break;
case 4:
// Morph and update the gauges
GaugeBProgressNode.Scale = new SCNVector3(1, 1, 1);
MapNode.Morpher.SetWeight(0.4f, 1);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.1f;
GaugeBProgressNode.Opacity = 1.0f;
SCNTransaction.Commit();
shadowPlane = MapNode.ChildNodes [0];
shadowPlane.Scale = new SCNVector3(1, 0.6f, 1);
MapNode.ParentNode.Rotation = new SCNVector4(0, 1, 0, -(float)(Math.PI / 4) * 0.5f);
break;
case 5:
// Morph and update the gauges
GaugeBProgressNode.Scale = new SCNVector3(1, 0.01f, 1);
MapNode.Morpher.SetWeight(0, 1);
shadowPlane = MapNode.ChildNodes [0];
shadowPlane.Scale = new SCNVector3(1, 1, 1);
MapNode.ParentNode.Rotation = new SCNVector4(0, 1, 0, 0);
SCNTransaction.SetCompletionBlock(() => {
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.5f;
GaugeBProgressNode.Opacity = 0.0f;
SCNTransaction.Commit();
});
break;
case 6:
// Morph and update the gauges
GaugeAProgressNode.Scale = new SCNVector3(1, 1, 1);
GaugeBProgressNode.Scale = new SCNVector3(1, 1, 1);
MapNode.Morpher.SetWeight(0.65f, 0);
MapNode.Morpher.SetWeight(0.30f, 1);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.1f;
GaugeAProgressNode.Opacity = 1.0f;
GaugeBProgressNode.Opacity = 1.0f;
SCNTransaction.Commit();
shadowPlane = MapNode.ChildNodes [0];
shadowPlane.Scale = new SCNVector3(0.4f, 0.7f, 1);
shadowPlane.Opacity = 0.2f;
MapNode.Geometry.SetValueForKey(new NSNumber(0.35f), new NSString("ambientOcclusionYFactor"));
MapNode.Position = new SCNVector3(0, 0, 5);
MapNode.ParentNode.Rotation = new SCNVector4(0, 1, 0, -(float)(Math.PI / 4) * 0.5f);
MapNode.Rotation = new SCNVector4(1, 0, 0, -(float)(Math.PI / 4) * 0.75f);
break;
case 7:
SCNTransaction.AnimationDuration = 0.5f;
// Hide everything and update the text
MapNode.Opacity = 0;
GaugeANode.Opacity = 0.0f;
GaugeBNode.Opacity = 0.0f;
TextManager.SetSubtitle("SCNMorpher");
TextManager.AddBulletAtLevel("Topology must match", 0);
TextManager.AddBulletAtLevel("Can be loaded from DAEs", 0);
TextManager.AddBulletAtLevel("Can be created programmatically", 0);
break;
}
SCNTransaction.Commit();
}
public override void PresentStep(int index, PresentationViewController presentationViewController)
{
switch (index)
{
case 0:
// Set the slide's title and subtitle
TextManager.SetTitle("Scene Graph");
TextManager.SetSubtitle("Summary");
break;
case 1:
// A node that will help visualize the position of the stars
WireframeBoxNode = SCNNode.Create();
WireframeBoxNode.Rotation = new SCNVector4(0, 1, 0, (float)(Math.PI / 4));
WireframeBoxNode.Geometry = SCNBox.Create(1, 1, 1, 0);
WireframeBoxNode.Geometry.FirstMaterial.Diffuse.Contents = new NSImage(NSBundle.MainBundle.PathForResource("SharedTextures/box_wireframe", "png"));
WireframeBoxNode.Geometry.FirstMaterial.LightingModelName = SCNLightingModel.Constant; // no lighting
WireframeBoxNode.Geometry.FirstMaterial.DoubleSided = true; // double sided
// Sun
SunNode = SCNNode.Create();
SunNode.Position = new SCNVector3(0, 30, 0);
ContentNode.AddChildNode(SunNode);
SunNode.AddChildNode((SCNNode)WireframeBoxNode.Copy());
// Earth-rotation (center of rotation of the Earth around the Sun)
var earthRotationNode = SCNNode.Create();
SunNode.AddChildNode(earthRotationNode);
// Earth-group (will contain the Earth, and the Moon)
EarthGroupNode = SCNNode.Create();
EarthGroupNode.Position = new SCNVector3(15, 0, 0);
earthRotationNode.AddChildNode(EarthGroupNode);
// Earth
EarthNode = (SCNNode)WireframeBoxNode.Copy();
EarthNode.Position = new SCNVector3(0, 0, 0);
EarthGroupNode.AddChildNode(EarthNode);
// Rotate the Earth around the Sun
var animation = CABasicAnimation.FromKeyPath("rotation");
animation.Duration = 10.0f;
animation.To = NSValue.FromVector(new SCNVector4(0, 1, 0, (float)(Math.PI * 2)));
animation.RepeatCount = float.MaxValue;
earthRotationNode.AddAnimation(animation, new NSString("earth rotation around sun"));
// Rotate the Earth
animation = CABasicAnimation.FromKeyPath("rotation");
animation.Duration = 1.0f;
animation.From = NSValue.FromVector(new SCNVector4(0, 1, 0, 0));
animation.To = NSValue.FromVector(new SCNVector4(0, 1, 0, (float)(Math.PI * 2)));
animation.RepeatCount = float.MaxValue;
EarthNode.AddAnimation(animation, new NSString("earth rotation"));
break;
case 2:
// Moon-rotation (center of rotation of the Moon around the Earth)
var moonRotationNode = SCNNode.Create();
EarthGroupNode.AddChildNode(moonRotationNode);
// Moon
MoonNode = (SCNNode)WireframeBoxNode.Copy();
MoonNode.Position = new SCNVector3(5, 0, 0);
moonRotationNode.AddChildNode(MoonNode);
// Rotate the moon around the Earth
animation = CABasicAnimation.FromKeyPath("rotation");
animation.Duration = 1.5f;
animation.To = NSValue.FromVector(new SCNVector4(0, 1, 0, (float)(Math.PI * 2)));
animation.RepeatCount = float.MaxValue;
moonRotationNode.AddAnimation(animation, new NSString("moon rotation around earth"));
// Rotate the moon
animation = CABasicAnimation.FromKeyPath("rotation");
animation.Duration = 1.5f;
animation.To = NSValue.FromVector(new SCNVector4(0, 1, 0, (float)(Math.PI * 2)));
animation.RepeatCount = float.MaxValue;
MoonNode.AddAnimation(animation, new NSString("moon rotation"));
break;
case 3:
// Add geometries (spheres) to represent the stars
SunNode.Geometry = SCNSphere.Create(2.5f);
EarthNode.Geometry = SCNSphere.Create(1.5f);
MoonNode.Geometry = SCNSphere.Create(0.75f);
// Add a textured plane to represent Earth's orbit
var earthOrbit = SCNNode.Create();
earthOrbit.Opacity = 0.4f;
earthOrbit.Geometry = SCNPlane.Create(31, 31);
earthOrbit.Geometry.FirstMaterial.Diffuse.Contents = new NSImage(NSBundle.MainBundle.PathForResource("Scenes/earth/orbit", "png"));
earthOrbit.Geometry.FirstMaterial.Diffuse.MipFilter = SCNFilterMode.Linear;
earthOrbit.Rotation = new SCNVector4(1, 0, 0, -(float)(Math.PI / 2));
earthOrbit.Geometry.FirstMaterial.LightingModelName = SCNLightingModel.Constant; // no lighting
SunNode.AddChildNode(earthOrbit);
break;
case 4:
// Add a halo to the Sun (a simple textured plane that does not write to depth)
SunHaloNode = SCNNode.Create();
SunHaloNode.Geometry = SCNPlane.Create(30, 30);
SunHaloNode.Rotation = new SCNVector4(1, 0, 0, Pitch * (float)(Math.PI / 180.0f));
SunHaloNode.Geometry.FirstMaterial.Diffuse.Contents = new NSImage(NSBundle.MainBundle.PathForResource("Scenes/earth/sun-halo", "png"));
SunHaloNode.Geometry.FirstMaterial.LightingModelName = SCNLightingModel.Constant; // no lighting
SunHaloNode.Geometry.FirstMaterial.WritesToDepthBuffer = false; // do not write to depth
SunHaloNode.Opacity = 0.2f;
SunNode.AddChildNode(SunHaloNode);
// Add materials to the stars
EarthNode.Geometry.FirstMaterial.Diffuse.Contents = new NSImage(NSBundle.MainBundle.PathForResource("Scenes/earth/earth-diffuse-mini", "jpg"));
EarthNode.Geometry.FirstMaterial.Emission.Contents = new NSImage(NSBundle.MainBundle.PathForResource("Scenes/earth/earth-emissive-mini", "jpg"));
EarthNode.Geometry.FirstMaterial.Specular.Contents = new NSImage(NSBundle.MainBundle.PathForResource("Scenes/earth/earth-specular-mini", "jpg"));
MoonNode.Geometry.FirstMaterial.Diffuse.Contents = new NSImage(NSBundle.MainBundle.PathForResource("Scenes/earth/moon", "jpg"));
SunNode.Geometry.FirstMaterial.Multiply.Contents = new NSImage(NSBundle.MainBundle.PathForResource("Scenes/earth/sun", "jpg"));
SunNode.Geometry.FirstMaterial.Diffuse.Contents = new NSImage(NSBundle.MainBundle.PathForResource("Scenes/earth/sun", "jpg"));
SunNode.Geometry.FirstMaterial.Multiply.Intensity = 0.5f;
SunNode.Geometry.FirstMaterial.LightingModelName = SCNLightingModel.Constant;
SunNode.Geometry.FirstMaterial.Multiply.WrapS =
SunNode.Geometry.FirstMaterial.Diffuse.WrapS =
SunNode.Geometry.FirstMaterial.Multiply.WrapT =
SunNode.Geometry.FirstMaterial.Diffuse.WrapT = SCNWrapMode.Repeat;
EarthNode.Geometry.FirstMaterial.LocksAmbientWithDiffuse =
MoonNode.Geometry.FirstMaterial.LocksAmbientWithDiffuse =
SunNode.Geometry.FirstMaterial.LocksAmbientWithDiffuse = true;
EarthNode.Geometry.FirstMaterial.Shininess = 0.1f;
EarthNode.Geometry.FirstMaterial.Specular.Intensity = 0.5f;
MoonNode.Geometry.FirstMaterial.Specular.Contents = NSColor.Gray;
// Achieve a lava effect by animating textures
animation = CABasicAnimation.FromKeyPath("contentsTransform");
animation.Duration = 10.0f;
var animationTransform1 = CATransform3D.MakeTranslation(0, 0, 0);
animationTransform1 = animationTransform1.Concat(CATransform3D.MakeScale(3, 3, 3));
var animationTransform2 = CATransform3D.MakeTranslation(1, 0, 0);
animationTransform2 = animationTransform1.Concat(CATransform3D.MakeScale(3, 3, 3));
animation.From = NSValue.FromCATransform3D(animationTransform1);
animation.To = NSValue.FromCATransform3D(animationTransform2);
animation.RepeatCount = float.MaxValue;
SunNode.Geometry.FirstMaterial.Diffuse.AddAnimation(animation, new NSString("sun-texture"));
animation = CABasicAnimation.FromKeyPath("contentsTransform");
animation.Duration = 30.0f;
animationTransform1 = CATransform3D.MakeTranslation(0, 0, 0);
animationTransform1 = animationTransform1.Concat(CATransform3D.MakeScale(5, 5, 5));
animationTransform2 = CATransform3D.MakeTranslation(1, 0, 0);
animationTransform2 = animationTransform1.Concat(CATransform3D.MakeScale(5, 5, 5));
animation.From = NSValue.FromCATransform3D(animationTransform1);
animation.To = NSValue.FromCATransform3D(animationTransform2);
animation.RepeatCount = float.MaxValue;
SunNode.Geometry.FirstMaterial.Multiply.AddAnimation(animation, new NSString("sun-texture2"));
break;
case 5:
// We will turn off all the lights in the scene and add a new light
// to give the impression that the Sun lights the scene
var lightNode = SCNNode.Create();
lightNode.Light = SCNLight.Create();
lightNode.Light.Color = NSColor.Black; // initially switched off
lightNode.Light.LightType = SCNLightType.Omni;
SunNode.AddChildNode(lightNode);
// Configure attenuation distances because we don't want to light the floor
lightNode.Light.SetAttribute(new NSNumber(20), SCNLightAttribute.AttenuationEndKey);
lightNode.Light.SetAttribute(new NSNumber(19.5), SCNLightAttribute.AttenuationStartKey);
// Animation
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
lightNode.Light.Color = NSColor.White; // switch on
presentationViewController.UpdateLightingWithIntensities(new float[] { 0.0f }); //switch off all the other lights
SunHaloNode.Opacity = 0.5f; // make the halo stronger
SCNTransaction.Commit();
break;
}
}
public override void PresentStep(int index, PresentationViewController presentationViewController)
{
SCNTransaction.Begin();
switch (index)
{
case 1:
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.SetSubtitle("API");
TextManager.AddEmptyLine();
TextManager.AddCode("#aMaterial.#ShaderModifiers# = new SCNShaderModifiers {\n"
+ " <Entry Point> = <GLSL Code>\n"
+ "};#");
TextManager.FlipInText(SlideTextManager.TextType.Code);
TextManager.FlipInText(SlideTextManager.TextType.Subtitle);
break;
case 2:
TextManager.FlipOutText(SlideTextManager.TextType.Code);
TextManager.AddEmptyLine();
TextManager.AddCode("#aMaterial.#ShaderModifiers# = new SCNShaderModifiers { \n"
+ " EntryCGPointragment = \n"
+ " new Vector3 (1.0f) - #output#.Color.GetRgb () \n"
+ "};#");
TextManager.FlipInText(SlideTextManager.TextType.Code);
break;
case 3:
TextManager.FlipOutText(SlideTextManager.TextType.Code);
TextManager.FlipOutText(SlideTextManager.TextType.Subtitle);
TextManager.SetSubtitle("Entry points");
TextManager.AddBulletAtLevel("Geometry", 0);
TextManager.AddBulletAtLevel("Surface", 0);
TextManager.AddBulletAtLevel("Lighting", 0);
TextManager.AddBulletAtLevel("Fragment", 0);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
TextManager.FlipInText(SlideTextManager.TextType.Subtitle);
break;
case 4:
SCNTransaction.AnimationDuration = 1;
TextManager.HighlightBullet(0);
// Create a (very) tesselated plane
var plane = SCNPlane.Create(10, 10);
plane.WidthSegmentCount = 200;
plane.HeightSegmentCount = 200;
// Setup the material (same as the floor)
plane.FirstMaterial.Diffuse.WrapS = SCNWrapMode.Mirror;
plane.FirstMaterial.Diffuse.WrapT = SCNWrapMode.Mirror;
plane.FirstMaterial.Diffuse.Contents = new NSImage("/Library/Desktop Pictures/Circles.jpg");
plane.FirstMaterial.Diffuse.ContentsTransform = SCNMatrix4.CreateFromAxisAngle(new SCNVector3(0, 0, 1), NMath.PI / 4);
plane.FirstMaterial.Specular.Contents = NSColor.White;
plane.FirstMaterial.Reflective.Contents = new NSImage(NSBundle.MainBundle.PathForResource("SharedTextures/envmap", "jpg"));
plane.FirstMaterial.Reflective.Intensity = 0.0f;
// Create a node to hold that plane
PlaneNode = SCNNode.Create();
PlaneNode.Position = new SCNVector3(0, 0.1f, 0);
PlaneNode.Rotation = new SCNVector4(1, 0, 0, -(float)(Math.PI / 2));
PlaneNode.Scale = new SCNVector3(5, 5, 1);
PlaneNode.Geometry = plane;
ContentNode.AddChildNode(PlaneNode);
// Attach the "wave" shader modifier, and set an initial intensity value of 0
var shaderFile = NSBundle.MainBundle.PathForResource("Shaders/wave", "shader");
var geometryModifier = File.ReadAllText(shaderFile);
PlaneNode.Geometry.ShaderModifiers = new SCNShaderModifiers {
EntryPointGeometry = geometryModifier
};
PlaneNode.Geometry.SetValueForKey(new NSNumber(0.0f), new NSString("intensity"));
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0;
// Show the pseudo code for the deformation
var textNode = TextManager.AddCode("#float len = #geometry#.Position.Xy.Length;\n"
+ "aMaterial.ShaderModifiers = new SCNShaderModifiers { \n"
+ " #EntryPointGeometry# = geometry.Position.Y \n"
+ "};#");
textNode.Position = new SCNVector3(8.5f, 7, 0);
SCNTransaction.Commit();
break;
case 5:
// Progressively increase the intensity
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 2;
PlaneNode.Geometry.SetValueForKey(new NSNumber(1.0f), new NSString("intensity"));
PlaneNode.Geometry.FirstMaterial.Reflective.Intensity = 0.3f;
SCNTransaction.Commit();
// Redraw forever
((SCNView)presentationViewController.View).Playing = true;
((SCNView)presentationViewController.View).Loops = true;
break;
case 6:
SCNTransaction.AnimationDuration = 1;
TextManager.FadeOutText(SlideTextManager.TextType.Code);
// Hide the plane used for the previous modifier
PlaneNode.Geometry.SetValueForKey(new NSNumber(0.0f), new NSString("intensity"));
PlaneNode.Geometry.FirstMaterial.Reflective.Intensity = 0.0f;
PlaneNode.Opacity = 0.0f;
// Create a sphere to illustrate the "car paint" modifier
var sphere = SCNSphere.Create(6);
sphere.SegmentCount = 100;
sphere.FirstMaterial.Diffuse.Contents = new NSImage(NSBundle.MainBundle.PathForResource("SharedTextures/noise", "png"));
sphere.FirstMaterial.Diffuse.WrapS = SCNWrapMode.Repeat;
sphere.FirstMaterial.Diffuse.WrapT = SCNWrapMode.Repeat;
sphere.FirstMaterial.Reflective.Contents = new NSImage(NSBundle.MainBundle.PathForResource("SharedTextures/envmap3", "jpg"));
sphere.FirstMaterial.FresnelExponent = 1.3f;
SphereNode = SCNNode.FromGeometry(sphere);
SphereNode.Position = new SCNVector3(5, 6, 0);
GroundNode.AddChildNode(SphereNode);
// Attach the "car paint" shader modifier
shaderFile = NSBundle.MainBundle.PathForResource("Shaders/carPaint", "shader");
var surfaceModifier = File.ReadAllText(shaderFile);
sphere.FirstMaterial.ShaderModifiers = new SCNShaderModifiers {
EntryPointSurface = surfaceModifier
};
var rotationAnimation = CABasicAnimation.FromKeyPath("rotation");
rotationAnimation.Duration = 15.0f;
rotationAnimation.RepeatCount = float.MaxValue;
rotationAnimation.By = NSValue.FromVector(new SCNVector4(0, 1, 0, -(float)(Math.PI * 2)));
SphereNode.AddAnimation(rotationAnimation, new NSString("sphereNodeAnimation"));
TextManager.HighlightBullet(1);
break;
case 7:
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1.5f;
SCNTransaction.AnimationTimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseInEaseOut);
// Move the camera closer
presentationViewController.CameraNode.Position = new SCNVector3(5, -0.5f, -17);
SCNTransaction.Commit();
break;
case 8:
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1.0f;
SCNTransaction.AnimationTimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseInEaseOut);
// Move back
presentationViewController.CameraNode.Position = new SCNVector3(0, 0, 0);
SCNTransaction.Commit();
break;
case 9:
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1.0f;
// Hide the sphere used for the previous modifier
SphereNode.Opacity = 0.0f;
SphereNode.Position = new SCNVector3(6, 4, -8);
SCNTransaction.Commit();
SCNTransaction.AnimationDuration = 0;
TextManager.HighlightBullet(2);
// Load the model, animate
var intermediateNode = SCNNode.Create();
intermediateNode.Position = new SCNVector3(4, 0.1f, 10);
TorusNode = Utils.SCAddChildNode(intermediateNode, "torus", "Scenes/torus/torus", 11);
rotationAnimation = CABasicAnimation.FromKeyPath("rotation");
rotationAnimation.Duration = 10.0f;
rotationAnimation.RepeatCount = float.MaxValue;
rotationAnimation.To = NSValue.FromVector(new SCNVector4(0, 1, 0, (float)(Math.PI * 2)));
TorusNode.AddAnimation(rotationAnimation, new NSString("torusNodeAnimation"));
GroundNode.AddChildNode(intermediateNode);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1.0f;
intermediateNode.Position = new SCNVector3(4, 0.1f, 0);
SCNTransaction.Commit();
break;
case 10:
// Attach the shader modifier
shaderFile = NSBundle.MainBundle.PathForResource("Shaders/toon", "shader");
var lightingModifier = File.ReadAllText(shaderFile);
TorusNode.Geometry.ShaderModifiers = new SCNShaderModifiers {
EntryPointLightingModel = lightingModifier
};
break;
case 11:
SCNTransaction.AnimationDuration = 1.0f;
// Hide the torus used for the previous modifier
TorusNode.Position = new SCNVector3(TorusNode.Position.X, TorusNode.Position.Y, TorusNode.Position.Z - 10);
TorusNode.Opacity = 0.0f;
// Load the model, animate
intermediateNode = SCNNode.Create();
intermediateNode.Position = new SCNVector3(4, -2.6f, 14);
intermediateNode.Scale = new SCNVector3(70, 70, 70);
XRayNode = Utils.SCAddChildNode(intermediateNode, "node", "Scenes/bunny", 12);
XRayNode.Position = new SCNVector3(0, 0, 0);
XRayNode.Opacity = 0.0f;
GroundNode.AddChildNode(intermediateNode);
rotationAnimation = CABasicAnimation.FromKeyPath("rotation");
rotationAnimation.Duration = 10.0f;
rotationAnimation.RepeatCount = float.MaxValue;
rotationAnimation.From = NSValue.FromVector(new SCNVector4(0, 1, 0, 0));
rotationAnimation.To = NSValue.FromVector(new SCNVector4(0, 1, 0, (float)(Math.PI * 2)));
intermediateNode.AddAnimation(rotationAnimation, new NSString("bunnyNodeAnimation"));
TextManager.HighlightBullet(3);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1.0f;
XRayNode.Opacity = 1.0f;
intermediateNode.Position = new SCNVector3(4, -2.6f, -2);
SCNTransaction.Commit();
break;
case 12:
// Attach the "x ray" modifier
shaderFile = NSBundle.MainBundle.PathForResource("Shaders/xRay", "shader");
var fragmentModifier = File.ReadAllText(shaderFile);
XRayNode.Geometry.ShaderModifiers = new SCNShaderModifiers {
EntryPointFragment = fragmentModifier
};
XRayNode.Geometry.FirstMaterial.ReadsFromDepthBuffer = false;
break;
case 13:
// Highlight everything
TextManager.HighlightBullet(-1);
// Hide the node used for the previous modifier
XRayNode.Opacity = 0.0f;
XRayNode.ParentNode.Position = new SCNVector3(4, -2.6f, -5);
// Create the model
sphere = SCNSphere.Create(5);
sphere.SegmentCount = 150; // tesselate a lot
VirusNode = SCNNode.FromGeometry(sphere);
VirusNode.Position = new SCNVector3(3, 6, 0);
VirusNode.Rotation = new SCNVector4(1, 0, 0, Pitch * (float)(Math.PI / 180.0f));
GroundNode.AddChildNode(VirusNode);
// Set the shader modifiers
var geomFile = NSBundle.MainBundle.PathForResource("Shaders/sm_geom", "shader");
var surfFile = NSBundle.MainBundle.PathForResource("Shaders/sm_surf", "shader");
var lightFile = NSBundle.MainBundle.PathForResource("Shaders/sm_light", "shader");
var fragFile = NSBundle.MainBundle.PathForResource("Shaders/sm_frag", "shader");
geometryModifier = File.ReadAllText(geomFile);
surfaceModifier = File.ReadAllText(surfFile);
lightingModifier = File.ReadAllText(lightFile);
fragmentModifier = File.ReadAllText(fragFile);
VirusNode.Geometry.FirstMaterial.ShaderModifiers = new SCNShaderModifiers {
EntryPointGeometry = geometryModifier,
EntryPointSurface = surfaceModifier,
EntryPointLightingModel = lightingModifier,
EntryPointFragment = fragmentModifier
};
break;
case 14:
SCNTransaction.AnimationDuration = 1.0f;
// Hide the node used for the previous modifier
VirusNode.Opacity = 0.0f;
VirusNode.Position = new SCNVector3(3, 6, -10);
// Change the text
TextManager.FadeOutText(SlideTextManager.TextType.Code);
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.FlipOutText(SlideTextManager.TextType.Subtitle);
TextManager.SetSubtitle("SCNShadable");
TextManager.AddBulletAtLevel("Protocol adopted by SCNMaterial and SCNGeometry", 0);
TextManager.AddBulletAtLevel("Shaders parameters are animatable", 0);
TextManager.AddBulletAtLevel("Texture samplers are bound to a SCNMaterialProperty", 0);
TextManager.AddCode("#var aProperty = SCNMaterialProperty.#Create# (anImage);\n"
+ "aMaterial.#SetValueForKey# (aProperty, #new NSString# (\"aSampler\"));#");
TextManager.FlipInText(SlideTextManager.TextType.Subtitle);
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
TextManager.FlipInText(SlideTextManager.TextType.Code);
break;
}
SCNTransaction.Commit();
}
public override void PresentStep(int index, PresentationViewController presentationViewController)
{
SCNTransaction.Begin();
switch (index)
{
case 1:
TextManager.FlipOutText(SlideTextManager.TextType.Code);
TextManager.FlipOutText(SlideTextManager.TextType.Subtitle);
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.SetSubtitle("Entry points");
var textNode = Utils.SCLabelNode("Geometry", Utils.LabelSize.Normal, false);
textNode.Position = new SCNVector3(-13.5f, 9, 0);
ContentNode.AddChildNode(textNode);
textNode = Utils.SCLabelNode("Surface", Utils.LabelSize.Normal, false);
textNode.Position = new SCNVector3(-5.3f, 9, 0);
ContentNode.AddChildNode(textNode);
textNode = Utils.SCLabelNode("Lighting", Utils.LabelSize.Normal, false);
textNode.Position = new SCNVector3(2, 9, 0);
ContentNode.AddChildNode(textNode);
textNode = Utils.SCLabelNode("Fragment", Utils.LabelSize.Normal, false);
textNode.Position = new SCNVector3(9.5f, 9, 0);
ContentNode.AddChildNode(textNode);
TextManager.FlipInText(SlideTextManager.TextType.Subtitle);
//add spheres
var sphere = SCNSphere.Create(3);
sphere.FirstMaterial.Diffuse.Contents = NSColor.Red;
sphere.FirstMaterial.Specular.Contents = NSColor.White;
sphere.FirstMaterial.Specular.Intensity = 1.0f;
sphere.FirstMaterial.Shininess = 0.1f;
sphere.FirstMaterial.Reflective.Contents = new NSImage(NSBundle.MainBundle.PathForResource("SharedTextures/envmap", "jpg"));
sphere.FirstMaterial.FresnelExponent = 2;
//GEOMETRY
var node = SCNNode.Create();
node.Geometry = (SCNGeometry)sphere.Copy();
node.Position = new SCNVector3(-12, 3, 0);
node.Geometry.ShaderModifiers = new SCNShaderModifiers {
EntryPointGeometry = "// Waves Modifier\n"
+ "uniform float Amplitude = 0.2;\n"
+ "uniform float Frequency = 5.0;\n"
+ "vec2 nrm = _geometry.position.xz;\n"
+ "float len = length(nrm)+0.0001; // for robustness\n"
+ "nrm /= len;\n"
+ "float a = len + Amplitude*sin(Frequency * _geometry.position.y + u_time * 10.0);\n"
+ "_geometry.position.xz = nrm * a;\n"
};
GroundNode.AddChildNode(node);
// SURFACE
node = SCNNode.Create();
node.Geometry = (SCNGeometry)sphere.Copy();
node.Position = new SCNVector3(-4, 3, 0);
var surfaceModifier = File.ReadAllText(NSBundle.MainBundle.PathForResource("Shaders/sm_surf", "shader"));
node.Rotation = new SCNVector4(1, 0, 0, -NMath.PI / 4);
node.Geometry.FirstMaterial = (SCNMaterial)node.Geometry.FirstMaterial.Copy();
node.Geometry.FirstMaterial.LightingModelName = SCNLightingModel.Lambert;
node.Geometry.ShaderModifiers = new SCNShaderModifiers {
EntryPointSurface = surfaceModifier
};
GroundNode.AddChildNode(node);
// LIGHTING
node = SCNNode.Create();
node.Geometry = (SCNGeometry)sphere.Copy();
node.Position = new SCNVector3(4, 3, 0);
var lightingModifier = File.ReadAllText(NSBundle.MainBundle.PathForResource("Shaders/sm_light", "shader"));
node.Geometry.ShaderModifiers = new SCNShaderModifiers {
EntryPointLightingModel = lightingModifier
};
GroundNode.AddChildNode(node);
// FRAGMENT
node = SCNNode.Create();
node.Geometry = (SCNGeometry)sphere.Copy();
node.Position = new SCNVector3(12, 3, 0);
node.Geometry.FirstMaterial = (SCNMaterial)node.Geometry.FirstMaterial.Copy();
node.Geometry.FirstMaterial.Diffuse.Contents = NSColor.Green;
var fragmentModifier = File.ReadAllText(NSBundle.MainBundle.PathForResource("Shaders/sm_frag", "shader"));
node.Geometry.ShaderModifiers = new SCNShaderModifiers {
EntryPointFragment = fragmentModifier
};
GroundNode.AddChildNode(node);
//redraw forever
((SCNView)presentationViewController.View).Playing = true;
((SCNView)presentationViewController.View).Loops = true;
break;
}
SCNTransaction.Commit();
}
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;
}
}
private void SetupLookAtScene()
{
var intermediateNode = SCNNode.Create();
intermediateNode.Scale = new SCNVector3(0.5f, 0.5f, 0.5f);
intermediateNode.Position = new SCNVector3(0, 0, 10);
ContentNode.AddChildNode(intermediateNode);
var ballMaterial = SCNMaterial.Create();
ballMaterial.Diffuse.Contents = new NSImage(NSBundle.MainBundle.PathForResource("Scenes.scnassets/pool/pool_8", "png"));
ballMaterial.Specular.Contents = NSColor.White;
ballMaterial.Shininess = 0.9f; // shinny
ballMaterial.Reflective.Contents = new NSImage(NSBundle.MainBundle.PathForResource("SharedTextures/color_envmap", "png"));
ballMaterial.Reflective.Intensity = 0.5f;
// Node hierarchy for the ball :
// _ballNode
// |__ cameraTarget : the target for the "look at" constraint
// |__ ballRotationNode : will rotate to animate the rolling ball
// |__ ballPivotNode : will own the geometry and will be rotated so that the "8" faces the camera at the beginning
BallNode = SCNNode.Create();
BallNode.Rotation = new SCNVector4(0, 1, 0, (float)(Math.PI / 4));
intermediateNode.AddChildNode(BallNode);
var cameraTarget = SCNNode.Create();
cameraTarget.Name = "cameraTarget";
cameraTarget.Position = new SCNVector3(0, 6, 0);
BallNode.AddChildNode(cameraTarget);
var ballRotationNode = SCNNode.Create();
ballRotationNode.Position = new SCNVector3(0, 4, 0);
BallNode.AddChildNode(ballRotationNode);
var ballPivotNode = SCNNode.Create();
ballPivotNode.Geometry = SCNSphere.Create(4.0f);
ballPivotNode.Geometry.FirstMaterial = ballMaterial;
ballPivotNode.Rotation = new SCNVector4(0, 1, 0, (float)(Math.PI / 2));
ballRotationNode.AddChildNode(ballPivotNode);
var arrowMaterial = SCNMaterial.Create();
arrowMaterial.Diffuse.Contents = NSColor.White;
arrowMaterial.Reflective.Contents = new NSImage(NSBundle.MainBundle.PathForResource("SharedTextures/chrome", "jpg"));
var arrowContainer = SCNNode.Create();
arrowContainer.Name = "arrowContainer";
intermediateNode.AddChildNode(arrowContainer);
var arrowPath = Utils.SCArrowBezierPath(new CGSize(6, 2), new CGSize(3, 5), 0.5f, false);
// Create the arrows
for (var i = 0; i < 11; i++)
{
var arrowNode = SCNNode.Create();
arrowNode.Position = new SCNVector3(NMath.Cos(NMath.PI * i / 10.0f) * 20.0f, 3 + 18.5f * NMath.Sin(NMath.PI * i / 10.0f), 0);
var arrowGeometry = SCNShape.Create(arrowPath, 1);
arrowGeometry.ChamferRadius = 0.2f;
var arrowSubNode = SCNNode.Create();
arrowSubNode.Geometry = arrowGeometry;
arrowSubNode.Geometry.FirstMaterial = arrowMaterial;
arrowSubNode.Pivot = SCNMatrix4.CreateTranslation(new SCNVector3(0, 2.5f, 0)); // place the pivot (center of rotation) at the middle of the arrow
arrowSubNode.Rotation = new SCNVector4(0, 0, 1, (float)(Math.PI / 2));
arrowNode.AddChildNode(arrowSubNode);
arrowContainer.AddChildNode(arrowNode);
}
}
public override void PresentStep(int index, PresentationViewController presentationViewController)
{
switch (index)
{
case 0:
// Set the slide's title and subtile and add some code
TextManager.SetTitle("Performance");
TextManager.SetSubtitle("Statistics");
TextManager.AddCode("#// Show statistics \n"
+ "aSCNView.#ShowsStatistics# = true;");
break;
case 1:
// Place a screenshot in the scene and animate it
WindowNode = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/statistics/statistics", "png"), 20, true);
ContentNode.AddChildNode(WindowNode);
WindowNode.Opacity = 0.0f;
WindowNode.Position = new SCNVector3(20, 5.2f, 9);
WindowNode.Rotation = new SCNVector4(0, 1, 0, -(float)(Math.PI / 4));
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
WindowNode.Opacity = 1.0f;
WindowNode.Position = new SCNVector3(0, 5.2f, 7);
WindowNode.Rotation = new SCNVector4(0, 1, 0, 0);
SCNTransaction.Commit();
// The screenshot contains transparent areas so we need to make sure it is rendered
// after the text (which also sets its rendering order)
WindowNode.RenderingOrder = 2;
break;
case 2:
FpsNode = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/statistics/statistics-fps", "png"), 7, false);
WindowNode.AddChildNode(FpsNode);
FpsNode.Scale = new SCNVector3(0.75f, 0.75f, 0.75f);
FpsNode.Opacity = 0.0f;
FpsNode.Position = new SCNVector3(-6, -3, 0.5f);
FpsNode.RenderingOrder = 4;
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.5f;
FpsNode.Scale = new SCNVector3(1.0f, 1.0f, 1.0f);
FpsNode.Opacity = 1.0f;
SCNTransaction.Commit();
break;
case 3:
ButtonNode = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/statistics/statistics-button", "png"), 4, false);
WindowNode.AddChildNode(ButtonNode);
ButtonNode.Scale = new SCNVector3(0.75f, 0.75f, 0.75f);
ButtonNode.Opacity = 0.0f;
ButtonNode.Position = new SCNVector3(-7.5f, -2.75f, 0.5f);
ButtonNode.RenderingOrder = 5;
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.5f;
FpsNode.Opacity = 0.0f;
ButtonNode.Scale = new SCNVector3(1.0f, 1.0f, 1.0f);
ButtonNode.Opacity = 1.0f;
SCNTransaction.Commit();
break;
case 4:
PanelNode = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/statistics/control-panel", "png"), 10, false);
WindowNode.AddChildNode(PanelNode);
PanelNode.Scale = new SCNVector3(0.75f, 0.75f, 0.75f);
PanelNode.Opacity = 0.0f;
PanelNode.Position = new SCNVector3(3.5f, -0.5f, 1.5f);
PanelNode.RenderingOrder = 6;
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.5f;
PanelNode.Scale = new SCNVector3(1.0f, 1.0f, 1.0f);
PanelNode.Opacity = 1.0f;
SCNTransaction.Commit();
break;
case 5:
var detailsNode = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/statistics/statistics-detail", "png"), 9, false);
WindowNode.AddChildNode(detailsNode);
detailsNode.Scale = new SCNVector3(0.75f, 0.75f, 0.75f);
detailsNode.Opacity = 0.0f;
detailsNode.Position = new SCNVector3(5, -2.75f, 1.5f);
detailsNode.RenderingOrder = 7;
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.5f;
PanelNode.Opacity = 0.0f;
ButtonNode.Opacity = 0.0f;
detailsNode.Scale = new SCNVector3(1.0f, 1.0f, 1.0f);
detailsNode.Opacity = 1.0f;
SCNTransaction.Commit();
break;
}
}
// Create a carousel of 3D primitives
private void PresentPrimitives()
{
// Create the carousel node. It will host all the primitives as child nodes.
CarouselNode = SCNNode.Create();
CarouselNode.Position = new SCNVector3(0, 0.1f, -5);
CarouselNode.Scale = new SCNVector3(0, 0, 0); // start infinitely small
ContentNode.AddChildNode(CarouselNode);
// Animate the scale to achieve a "grow" effect
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 1;
CarouselNode.Scale = new SCNVector3(1, 1, 1);
SCNTransaction.Commit();
// Rotate the carousel forever
var rotationAnimation = CABasicAnimation.FromKeyPath("rotation");
rotationAnimation.Duration = 40.0f;
rotationAnimation.RepeatCount = float.MaxValue;
rotationAnimation.To = NSValue.FromVector(new SCNVector4(0, 1, 0, (float)Math.PI * 2));
CarouselNode.AddAnimation(rotationAnimation, new NSString("rotationAnimation"));
// A material shared by all the primitives
var sharedMaterial = SCNMaterial.Create();
sharedMaterial.Reflective.Contents = new NSImage(NSBundle.MainBundle.PathForResource("SharedTextures/envmap", "jpg"));
sharedMaterial.Reflective.Intensity = 0.2f;
sharedMaterial.DoubleSided = true;
PrimitiveIndex = 0;
// SCNBox
var box = SCNBox.Create(5.0f, 5.0f, 5.0f, 5.0f * 0.05f);
box.WidthSegmentCount = 4;
box.HeightSegmentCount = 4;
box.LengthSegmentCount = 4;
box.ChamferSegmentCount = 4;
AddPrimitive(box, 5.0f / 2, rotationAnimation, sharedMaterial);
// SCNPyramid
var pyramid = SCNPyramid.Create(5.0f * 0.8f, 5.0f, 5.0f * 0.8f);
pyramid.WidthSegmentCount = 4;
pyramid.HeightSegmentCount = 10;
pyramid.LengthSegmentCount = 4;
AddPrimitive(pyramid, 0, rotationAnimation, sharedMaterial);
// SCNCone
var cone = SCNCone.Create(0, 5.0f / 2, 5.0f);
cone.RadialSegmentCount = 20;
cone.HeightSegmentCount = 4;
AddPrimitive(cone, 5.0f / 2, rotationAnimation, sharedMaterial);
// SCNTube
var tube = SCNTube.Create(5.0f * 0.25f, 5.0f * 0.5f, 5.0f);
tube.HeightSegmentCount = 5;
tube.RadialSegmentCount = 40;
AddPrimitive(tube, 5.0f / 2, rotationAnimation, sharedMaterial);
// SCNCapsule
var capsule = SCNCapsule.Create(5.0f * 0.4f, 5.0f * 1.4f);
capsule.HeightSegmentCount = 5;
capsule.RadialSegmentCount = 20;
AddPrimitive(capsule, 5.0f * 0.7f, rotationAnimation, sharedMaterial);
// SCNCylinder
var cylinder = SCNCylinder.Create(5.0f * 0.5f, 5.0f);
cylinder.HeightSegmentCount = 5;
cylinder.RadialSegmentCount = 40;
AddPrimitive(cylinder, 5.0f / 2, rotationAnimation, sharedMaterial);
// SCNSphere
var sphere = SCNSphere.Create(5.0f * 0.5f);
sphere.SegmentCount = 20;
AddPrimitive(sphere, 5.0f / 2, rotationAnimation, sharedMaterial);
// SCNTorus
var torus = SCNTorus.Create(5.0f * 0.5f, 5.0f * 0.25f);
torus.RingSegmentCount = 40;
torus.PipeSegmentCount = 20;
AddPrimitive(torus, 5.0f / 4, rotationAnimation, sharedMaterial);
// SCNPlane
var plane = SCNPlane.Create(5.0f, 5.0f);
plane.WidthSegmentCount = 5;
plane.HeightSegmentCount = 5;
plane.CornerRadius = 5.0f * 0.1f;
AddPrimitive(plane, 5.0f / 2, rotationAnimation, sharedMaterial);
}
public override void PresentStep(int index, PresentationViewController presentationViewController)
{
switch (index)
{
case (int)TechniqueSteps.Intro:
break;
case (int)TechniqueSteps.Code:
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
PlistGroup.RemoveFromParentNode();
TextManager.AddEmptyLine();
TextManager.AddCode("#// Load a technique\nSCNTechnique *technique = [SCNTechnique #techniqueWithDictionary#:aDictionary];\n\n\n"
+ "// Chain techniques\ntechnique = [SCNTechnique #techniqueBySequencingTechniques#:@[t1, t2 ...];\n\n\n\t\t\t\t\t"
+ "// Set a technique\naSCNView.#technique# = technique;#");
TextManager.FlipInText(SlideTextManager.TextType.Bullet);
TextManager.FlipInText(SlideTextManager.TextType.Code);
break;
case (int)TechniqueSteps.Files:
Pass2.RemoveFromParentNode();
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
TextManager.AddBulletAtLevel("Load from Plist", 0);
TextManager.FlipInText(SlideTextManager.TextType.Code);
PlistGroup = SCNNode.Create();
ContentNode.AddChildNode(PlistGroup);
//add plist icon
var node = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/technique/plist", "png"), 8, true);
node.Position = new SCNVector3(0, 3.7f, 10);
PlistGroup.AddChildNode(node);
//add plist icon
node = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/technique/vsh", "png"), 3, true);
for (var i = 0; i < 5; i++)
{
node = node.Clone();
node.Position = new SCNVector3(6, 1.4f, 10 - i);
PlistGroup.AddChildNode(node);
}
node = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/technique/fsh", "png"), 3, true);
for (var i = 0; i < 5; i++)
{
node = node.Clone();
node.Position = new SCNVector3(9, 1.4f, 10 - i);
PlistGroup.AddChildNode(node);
}
break;
case (int)TechniqueSteps.Plist:
//add plist icon
node = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/technique/technique", "png"), 9, true);
node.Position = new SCNVector3(0, 3.5f, 10.1f);
node.Opacity = 0.0f;
PlistGroup.AddChildNode(node);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.75f;
node.Position = new SCNVector3(0, 3.5f, 11);
node.Opacity = 1.0f;
SCNTransaction.Commit();
break;
case (int)TechniqueSteps.Pass1:
TextManager.FlipOutText(SlideTextManager.TextType.Bullet);
node = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/technique/pass1", "png"), 15, true);
node.Position = new SCNVector3(0, 3.5f, 10.1f);
node.Opacity = 0.0f;
ContentNode.AddChildNode(node);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.75f;
node.Position = new SCNVector3(0, 3.5f, 11);
node.Opacity = 1.0f;
SCNTransaction.Commit();
Pass1 = node;
break;
case (int)TechniqueSteps.Passes3:
Pass1.RemoveFromParentNode();
Pass2 = SCNNode.Create();
Pass2.Opacity = 0.0f;
Pass2.Position = new SCNVector3(0, 3.5f, 6);
node = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/technique/pass2", "png"), 8, true);
node.Position = new SCNVector3(-8, 0, 0);
Pass2.AddChildNode(node);
node = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/technique/pass3", "png"), 8, true);
node.Position = new SCNVector3(0, 0, 0);
Pass2.AddChildNode(node);
node = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/technique/pass4", "png"), 8, true);
node.Position = new SCNVector3(8, 0, 0);
Pass2.AddChildNode(node);
ContentNode.AddChildNode(Pass2);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.75f;
Pass2.Position = new SCNVector3(0, 3.5f, 9);
Pass2.Opacity = 1.0f;
SCNTransaction.Commit();
break;
case (int)TechniqueSteps.Passes3Connected:
TextManager.AddEmptyLine();
TextManager.AddBulletAtLevel("Connect pass inputs / outputs", 0);
node = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/technique/link", "png"), 8.75f, true);
node.Position = new SCNVector3(0.01f, -2, 0);
node.Opacity = 0.0f;
Pass2.AddChildNode(node);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.75f;
var n = Pass2.ChildNodes [0];
n.Position = new SCNVector3(-7.5f, -0.015f, 0);
n = Pass2.ChildNodes [2];
n.Position = new SCNVector3(7.5f, 0.02f, 0);
node.Opacity = 1.0f;
SCNTransaction.Commit();
break;
case (int)TechniqueSteps.Sample:
TextManager.FlipOutText(SlideTextManager.TextType.Code);
TextManager.FlipOutText(SlideTextManager.TextType.Subtitle);
TextManager.SetSubtitle("Example: simple depth of field");
TextManager.FlipInText(SlideTextManager.TextType.Code);
Pass3 = SCNNode.Create();
node = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/technique/pass5", "png"), 15, true);
node.Position = new SCNVector3(-3, 5, 10.1f);
node.Opacity = 0.0f;
Pass3.AddChildNode(node);
var t0 = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/technique/technique0", "png"), 4, false);
t0.Position = new SCNVector3(-8.5f, 1.5f, 10.1f);
t0.Opacity = 0.0f;
Pass3.AddChildNode(t0);
var t1 = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/technique/technique1", "png"), 4, false);
t1.Position = new SCNVector3(-3.6f, 1.5f, 10.1f);
t1.Opacity = 0.0f;
Pass3.AddChildNode(t1);
var t2 = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/technique/technique2", "png"), 4, false);
t2.Position = new SCNVector3(1.4f, 1.5f, 10.1f);
t2.Opacity = 0.0f;
Pass3.AddChildNode(t2);
var t3 = Utils.SCPlaneNode(NSBundle.MainBundle.PathForResource("Images/technique/technique3", "png"), 8, false);
t3.Position = new SCNVector3(8, 5, 10.1f);
t3.Opacity = 0.0f;
Pass3.AddChildNode(t3);
ContentNode.AddChildNode(Pass3);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.75f;
node.Opacity = 1.0f;
t0.Opacity = 1.0f;
t1.Opacity = 1.0f;
t2.Opacity = 1.0f;
t3.Opacity = 1.0f;
SCNTransaction.Commit();
break;
}
}