public void ChainAnimation(string firstKey, string secondKey, float fadeTime)
{
CAAnimation firstAnim = animationsDict [firstKey];
CAAnimation secondAnim = animationsDict [secondKey];
if (firstAnim == null || secondAnim == null)
{
return;
}
SCNAnimationEventHandler chainEventBlock = (CAAnimation animation, NSObject animatedObject, bool playingBackward) => {
mainSkeleton.AddAnimation(secondAnim, secondKey);
};
if (firstAnim.AnimationEvents == null || firstAnim.AnimationEvents.Length == 0)
{
firstAnim.AnimationEvents = new SCNAnimationEvent[] { SCNAnimationEvent.Create(fadeTime, chainEventBlock) };
}
else
{
var pastEvents = new List <SCNAnimationEvent> (firstAnim.AnimationEvents);
pastEvents.Add(SCNAnimationEvent.Create(fadeTime, chainEventBlock));
firstAnim.AnimationEvents = pastEvents.ToArray();
}
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
// Load the character and add it to the scene
var heroNode = Utils.SCAddChildNode(GroundNode, "heroGroup", "Scenes/hero/hero", 0.0f);
heroNode.Scale = new SCNVector3(0.023f, 0.023f, 0.023f);
heroNode.Position = new SCNVector3(0.0f, 0.0f, 15.0f);
heroNode.Rotation = new SCNVector4(1.0f, 0.0f, 0.0f, -(float)(Math.PI / 2));
GroundNode.AddChildNode(heroNode);
// Convert sceneTime-based animations into systemTime-based animations.
// Animations loaded from DAE files will play according to the `currentTime` property of the scene renderer if this one is playing
// (see the SCNSceneRenderer protocol). Here we don't play a specific DAE so we want the animations to animate as soon as we add
// them to the scene (i.e have them to play according the time of the system when the animation was added).
HeroSkeletonNode = heroNode.FindChildNode("skeleton", true);
foreach (var animationKey in HeroSkeletonNode.GetAnimationKeys())
{
// Find all the animations. Make them system time based and repeat forever.
// And finally replace the old animation.
var animation = HeroSkeletonNode.GetAnimation(animationKey);
animation.UsesSceneTimeBase = false;
animation.RepeatCount = float.MaxValue;
HeroSkeletonNode.AddAnimation(animation, animationKey);
}
// Load other animations so that we will use them later
SetAnimation(CharacterAnimation.Attack, "attackID", "attack");
SetAnimation(CharacterAnimation.Die, "DeathID", "death");
SetAnimation(CharacterAnimation.Walk, "WalkID", "walk");
}
public override void SetupSlide (PresentationViewController presentationViewController)
{
// Load the 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");
}
void SetupCamera()
{
SCNNode pov = GameView.PointOfView;
const float altitude = 1f;
const float distance = 10f;
cameraYHandle = SCNNode.Create();
cameraXHandle = SCNNode.Create();
cameraYHandle.Position = new SCNVector3(0f, altitude, 0f);
cameraYHandle.AddChildNode(cameraXHandle);
GameView.Scene.RootNode.AddChildNode(cameraYHandle);
pov.EulerAngles = new SCNVector3(0f, 0f, 0f);
pov.Position = new SCNVector3(0f, 0f, distance);
cameraYHandle.Rotation = new SCNVector4(0f, 1f, 0f, (float)Math.PI / 2f + (float)Math.PI / 4f * 3f);
cameraXHandle.Rotation = new SCNVector4(1f, 0f, 0f, -(float)Math.PI / 4f * 0.125f);
cameraXHandle.AddChildNode(pov);
// Animate camera on launch and prevent the user from manipulating the camera until the end of the animation
lockCamera = true;
SCNTransaction.Begin();
SCNTransaction.SetCompletionBlock(() => {
lockCamera = false;
});
var cameraYAnimation = CABasicAnimation.FromKeyPath("rotation.w");
cameraYAnimation.From = NSNumber.FromDouble(Math.PI * 2 - cameraYHandle.Rotation.W);
cameraYAnimation.To = NSNumber.FromDouble(0.0);
cameraYAnimation.Additive = true;
cameraYAnimation.BeginTime = CAAnimation.CurrentMediaTime() + 3;
cameraYAnimation.FillMode = CAFillMode.Both;
cameraYAnimation.Duration = 5.0;
cameraYAnimation.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseInEaseOut);
cameraYHandle.AddAnimation(cameraYAnimation, null);
var cameraXAnimation = CABasicAnimation.FromKeyPath("rotation.w");
cameraXAnimation.From = NSNumber.FromDouble(-Math.PI / 2 + cameraXHandle.Rotation.W);
cameraXAnimation.To = NSNumber.FromDouble(0.0);
cameraXAnimation.Additive = true;
cameraXAnimation.FillMode = CAFillMode.Both;
cameraXAnimation.Duration = 5.0;
cameraXAnimation.BeginTime = CAAnimation.CurrentMediaTime() + 3;
cameraXAnimation.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseInEaseOut);
cameraXHandle.AddAnimation(cameraXAnimation, null);
SCNTransaction.Commit();
var lookAtConstraint = SCNLookAtConstraint.Create(Character.Node.FindChildNode("Bip001_Head", true));
lookAtConstraint.InfluenceFactor = 0;
pov.Constraints = new SCNConstraint[] { lookAtConstraint };
}
public void SCNNode_AddAnimation()
{
SCNNode c = new SCNNode();
CABasicAnimation a = CABasicAnimation.FromKeyPath("hidden");
NSString key = new NSString("MyKey");
c.AddAnimation(a, key);
CAPropertyAnimation cur = (CAPropertyAnimation)c.GetAnimation(key);
Assert.IsNotNull(cur);
Assert.AreEqual(cur.KeyPath, "hidden");
c.RemoveAnimation(key);
cur = (CAPropertyAnimation)c.GetAnimation(key);
Assert.IsNull(cur);
}
public override void SetupSlide (PresentationViewController presentationViewController)
{
TextManager.SetTitle ("Extending Scene Kit with OpenGL");
TextManager.SetSubtitle ("Material custom program");
TextManager.AddBulletAtLevel ("Custom GLSL code per material", 0);
TextManager.AddBulletAtLevel ("Overrides Scene Kit’s rendering", 0);
TextManager.AddBulletAtLevel ("Geometry attributes are provided", 0);
TextManager.AddBulletAtLevel ("Transform uniforms are also provided", 0);
// Add a torus and animate it
TorusNode = Utils.SCAddChildNode (GroundNode, "torus", "Scenes/torus/torus", 10);
TorusNode.Position = new SCNVector3 (8, 8, 4);
TorusNode.Name = "object";
var 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 ("torusRotation"));
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
TextManager.SetTitle("Extending Scene Kit with OpenGL");
TextManager.SetSubtitle("Material custom program");
TextManager.AddBulletAtLevel("Custom GLSL code per material", 0);
TextManager.AddBulletAtLevel("Overrides Scene Kit’s rendering", 0);
TextManager.AddBulletAtLevel("Geometry attributes are provided", 0);
TextManager.AddBulletAtLevel("Transform uniforms are also provided", 0);
// Add a torus and animate it
TorusNode = Utils.SCAddChildNode(GroundNode, "torus", "Scenes/torus/torus", 10);
TorusNode.Position = new SCNVector3(8, 8, 4);
TorusNode.Name = "object";
var 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("torusRotation"));
}
void SetupCamera ()
{
SCNNode pov = GameView.PointOfView;
const float altitude = 1f;
const float distance = 10f;
cameraYHandle = SCNNode.Create ();
cameraXHandle = SCNNode.Create ();
cameraYHandle.Position = new SCNVector3 (0f, altitude, 0f);
cameraYHandle.AddChildNode (cameraXHandle);
GameView.Scene.RootNode.AddChildNode (cameraYHandle);
pov.EulerAngles = new SCNVector3 (0f, 0f, 0f);
pov.Position = new SCNVector3 (0f, 0f, distance);
cameraYHandle.Rotation = new SCNVector4 (0f, 1f, 0f, (float)Math.PI / 2f + (float)Math.PI / 4f * 3f);
cameraXHandle.Rotation = new SCNVector4 (1f, 0f, 0f, -(float)Math.PI / 4f * 0.125f);
cameraXHandle.AddChildNode (pov);
// Animate camera on launch and prevent the user from manipulating the camera until the end of the animation
lockCamera = true;
SCNTransaction.Begin ();
SCNTransaction.SetCompletionBlock (() => {
lockCamera = false;
});
var cameraYAnimation = CABasicAnimation.FromKeyPath ("rotation.w");
cameraYAnimation.From = NSNumber.FromDouble (Math.PI * 2 - cameraYHandle.Rotation.W);
cameraYAnimation.To = NSNumber.FromDouble (0.0);
cameraYAnimation.Additive = true;
cameraYAnimation.BeginTime = CAAnimation.CurrentMediaTime () + 3;
cameraYAnimation.FillMode = CAFillMode.Both;
cameraYAnimation.Duration = 5.0;
cameraYAnimation.TimingFunction = CAMediaTimingFunction.FromName (CAMediaTimingFunction.EaseInEaseOut);
cameraYHandle.AddAnimation (cameraYAnimation, null);
var cameraXAnimation = CABasicAnimation.FromKeyPath ("rotation.w");
cameraXAnimation.From = NSNumber.FromDouble (-Math.PI / 2 + cameraXHandle.Rotation.W);
cameraXAnimation.To = NSNumber.FromDouble (0.0);
cameraXAnimation.Additive = true;
cameraXAnimation.FillMode = CAFillMode.Both;
cameraXAnimation.Duration = 5.0;
cameraXAnimation.BeginTime = CAAnimation.CurrentMediaTime () + 3;
cameraXAnimation.TimingFunction = CAMediaTimingFunction.FromName (CAMediaTimingFunction.EaseInEaseOut);
cameraXHandle.AddAnimation (cameraXAnimation, null);
SCNTransaction.Commit ();
var lookAtConstraint = SCNLookAtConstraint.Create (Character.Node.FindChildNode ("Bip001_Head", true));
lookAtConstraint.InfluenceFactor = 0;
pov.Constraints = new SCNConstraint[] { lookAtConstraint };
}
public override void SetupSlide(PresentationViewController presentationViewController)
{
// Set the slide's title and subtile and add some text
TextManager.SetTitle("Node Attributes");
TextManager.SetSubtitle("SCNGeometry");
TextManager.AddBulletAtLevel("Triangles", 0);
TextManager.AddBulletAtLevel("Vertices", 0);
TextManager.AddBulletAtLevel("Normals", 0);
TextManager.AddBulletAtLevel("UVs", 0);
TextManager.AddBulletAtLevel("Materials", 0);
// We create a container for several versions of the teapot model
// - one teapot to show positions and normals
// - one teapot to show texture coordinates
// - one teapot to show materials
var allTeapotsNode = SCNNode.Create();
allTeapotsNode.Rotation = new SCNVector4(1, 0, 0, -(float)(Math.PI / 2));
GroundNode.AddChildNode(allTeapotsNode);
TeapotNodeForPositionsAndNormals = Utils.SCAddChildNode(allTeapotsNode, "TeapotLowRes", "Scenes.scnassets/teapots/teapotLowRes", 17);
TeapotNodeForUVs = Utils.SCAddChildNode(allTeapotsNode, "Teapot", "Scenes.scnassets/teapots/teapot", 17);
TeapotNodeForMaterials = Utils.SCAddChildNode(allTeapotsNode, "teapotMaterials", "Scenes.scnassets/teapots/teapotMaterial", 17);
TeapotNodeForPositionsAndNormals.Position = new SCNVector3(4, 0, 0);
TeapotNodeForUVs.Position = new SCNVector3(4, 0, 0);
TeapotNodeForMaterials.Position = new SCNVector3(4, 0, 0);
foreach (var child in TeapotNodeForMaterials.ChildNodes)
{
foreach (var material in child.Geometry.Materials)
{
material.Multiply.Contents = new NSImage(NSBundle.MainBundle.PathForResource("Scenes.scnassets/teapots/UVs", "png"));
material.Multiply.WrapS = SCNWrapMode.Repeat;
material.Multiply.WrapT = SCNWrapMode.Repeat;
//material.Reflective.Contents = NSColor.White;
//material.Reflective.Intensity = 3.0f;
//material.FresnelExponent = 3.0f;
}
}
// Animate the teapots (rotate forever)
var rotationAnimation = CABasicAnimation.FromKeyPath("rotation");
rotationAnimation.Duration = 40.0f;
rotationAnimation.RepeatCount = float.MaxValue;
rotationAnimation.To = NSValue.FromVector(new SCNVector4(0, 0, 1, (float)(Math.PI * 2)));
TeapotNodeForPositionsAndNormals.AddAnimation(rotationAnimation, new NSString("teapotNodeForPositionsAndNormalsAnimation"));
TeapotNodeForUVs.AddAnimation(rotationAnimation, new NSString("teapotNodeForUVsAnimation"));
TeapotNodeForMaterials.AddAnimation(rotationAnimation, new NSString("teapotNodeForMaterialsAnimation"));
// Load the "explode" shader modifier and add it to the geometry
//var explodeShaderPath = NSBundle.MainBundle.PathForResource ("Shaders/explode", "shader");
//var explodeShaderSource = System.IO.File.ReadAllText (explodeShaderPath);
// TODO TeapotNodeForPositionsAndNormals.Geometry.ShaderModifiers = new SCNShaderModifiers { EntryPointGeometry = explodeShaderSource };
PositionsVisualizationNode = SCNNode.Create();
NormalsVisualizationNode = SCNNode.Create();
// Build nodes that will help visualize the vertices (position and normal)
BuildVisualizationsOfNode(TeapotNodeForPositionsAndNormals, ref PositionsVisualizationNode, ref NormalsVisualizationNode);
NormalsVisualizationNode.CastsShadow = false;
TeapotNodeForMaterials.AddChildNode(PositionsVisualizationNode);
TeapotNodeForMaterials.AddChildNode(NormalsVisualizationNode);
}
public override void SetupSlide (PresentationViewController presentationViewController)
{
// Set the slide's title and subtile and add some text
TextManager.SetTitle ("Node Attributes");
TextManager.SetSubtitle ("Geometry");
TextManager.AddBulletAtLevel ("Triangles", 0);
TextManager.AddBulletAtLevel ("Vertices", 0);
TextManager.AddBulletAtLevel ("Normals", 0);
TextManager.AddBulletAtLevel ("UVs", 0);
TextManager.AddBulletAtLevel ("Materials", 0);
// We create a container for several versions of the teapot model
// - one teapot to show positions and normals
// - one teapot to show texture coordinates
// - one teapot to show materials
var allTeapotsNode = SCNNode.Create ();
allTeapotsNode.Rotation = new SCNVector4 (1, 0, 0, -(float)(Math.PI / 2));
GroundNode.AddChildNode (allTeapotsNode);
TeapotNodeForPositionsAndNormals = Utils.SCAddChildNode (allTeapotsNode, "TeapotLowRes", "Scenes/teapots/teapotLowRes", 17);
TeapotNodeForUVs = Utils.SCAddChildNode (allTeapotsNode, "Teapot", "Scenes/teapots/teapot", 17);
TeapotNodeForMaterials = Utils.SCAddChildNode (allTeapotsNode, "teapotMaterials", "Scenes/teapots/teapotMaterial", 17);
TeapotNodeForPositionsAndNormals.Position = new SCNVector3 (4, 0, 0);
TeapotNodeForUVs.Position = new SCNVector3 (4, 0, 0);
TeapotNodeForMaterials.Position = new SCNVector3 (4, 0, 0);
foreach (var child in TeapotNodeForMaterials.ChildNodes) {
foreach (var material in child.Geometry.Materials) {
material.Normal.Intensity = 0.3f;
material.Reflective.Contents = NSColor.White;
material.Reflective.Intensity = 3.0f;
material.FresnelExponent = 3.0f;
}
}
// Animate the teapots (rotate forever)
var rotationAnimation = CABasicAnimation.FromKeyPath ("rotation");
rotationAnimation.Duration = 40.0f;
rotationAnimation.RepeatCount = float.MaxValue;
rotationAnimation.To = NSValue.FromVector (new SCNVector4 (0, 0, 1, (float)(Math.PI * 2)));
TeapotNodeForPositionsAndNormals.AddAnimation (rotationAnimation, new NSString ("teapotNodeForPositionsAndNormalsAnimation"));
TeapotNodeForUVs.AddAnimation (rotationAnimation, new NSString ("teapotNodeForUVsAnimation"));
TeapotNodeForMaterials.AddAnimation (rotationAnimation, new NSString ("teapotNodeForMaterialsAnimation"));
// Load the "explode" shader modifier and add it to the geometry
var explodeShaderPath = NSBundle.MainBundle.PathForResource ("Shaders/explode", "shader");
var explodeShaderSource = System.IO.File.ReadAllText (explodeShaderPath);
TeapotNodeForPositionsAndNormals.Geometry.ShaderModifiers = new SCNShaderModifiers { EntryPointGeometry = explodeShaderSource };
PositionsVisualizationNode = SCNNode.Create ();
NormalsVisualizationNode = SCNNode.Create ();
// Build nodes that will help visualize the vertices (position and normal)
BuildVisualizationsOfNode (TeapotNodeForPositionsAndNormals, ref PositionsVisualizationNode, ref NormalsVisualizationNode);
TeapotNodeForPositionsAndNormals.AddChildNode (PositionsVisualizationNode);
TeapotNodeForPositionsAndNormals.AddChildNode (NormalsVisualizationNode);
}