private void AddCone()
{
SCNNode coneNode = new SCNNode();
coneNode.Geometry = SCNCone.Create(0.01f, (0.05f / 2), 0.05f * 2);
coneNode.Geometry.FirstMaterial.Diffuse.Contents = UIColor.SystemPinkColor; //Color del objeto
coneNode.Geometry.FirstMaterial.Specular.Contents = UIColor.White; //Color del reflejo
coneNode.Position = new SCNVector3(0, 0, -0.1f);
sceneView.Scene.RootNode.AddChildNode(coneNode);
}
SCNGeometry CreateGeometry(float topRadius, float bottomRadius, float height, UIColor color)
{
SCNMaterial material = new SCNMaterial();
material.Diffuse.Contents = color;
SCNCone geometry = SCNCone.Create(topRadius, bottomRadius, height);
geometry.Materials = new[] { material };
return(geometry);
}
private SCNNode CreateEyeNode()
{
// Create A Node To Represent The Eye
var eyeGeometry = SCNCone.Create(0.005f, 0, 0.2f);
eyeGeometry.RadialSegmentCount = 3;
eyeGeometry.FirstMaterial.Diffuse.Contents = UIColor.Green;
//eyeGeometry.FirstMaterial.Transparency = 0.5f;
// Create A Holder Node & Rotate It So The Gemoetry Points Towards The Device
SCNNode node = SCNNode.FromGeometry(eyeGeometry);
node.EulerAngles = new SCNVector3((float)-Math.PI / 2, node.EulerAngles.Y, node.EulerAngles.Z);
node.Position = new SCNVector3(node.Position.X, node.Position.Y, 0.1f);
SCNNode parentNode = new SCNNode();
parentNode.AddChildNode(node);
return(parentNode);
}
// 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 0:
break;
case 1:
TextManager.HighlightBullet(0);
StaticShadowNode.Opacity = 1;
var node = TextManager.AddCode("#aMaterial.#multiply#.contents = aShadowMap;#");
node.Position = new SCNVector3(node.Position.X, node.Position.Y - 4, node.Position.Z);
foreach (var child in node.ChildNodes)
{
child.RenderingOrder = 1;
foreach (var m in child.Geometry.Materials)
{
m.ReadsFromDepthBuffer = false;
}
}
break;
case 2:
//move the tree
PalmTree.RunAction(SCNAction.RotateBy(0, NMath.PI * 4, 0, 8));
break;
case 3:
TextManager.FadesIn = true;
TextManager.FadeOutText(SlideTextManager.TextType.Code);
TextManager.AddEmptyLine();
node = TextManager.AddCode("#aLight.#castsShadow# = YES;#");
foreach (SCNNode child in node.ChildNodes)
{
child.RenderingOrder = 1;
foreach (SCNMaterial m in child.Geometry.Materials)
{
m.ReadsFromDepthBuffer = false;
m.WritesToDepthBuffer = false;
}
}
node.Position = new SCNVector3(node.Position.X, node.Position.Y - 6, node.Position.Z);
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.75f;
var spot = presentationViewController.SpotLight;
OldSpotShadowColor = spot.Light.ShadowColor;
spot.Light.ShadowColor = NSColor.Black;
spot.Light.ShadowRadius = 3;
var tp = TextManager.TextNode.Position;
var superNode = presentationViewController.CameraNode.ParentNode.ParentNode;
var p0 = GroundNode.ConvertPositionToNode(SCNVector3.Zero, null);
var p1 = GroundNode.ConvertPositionToNode(new SCNVector3(20, 0, 0), null);
var tr = new SCNVector3(p1.X - p0.X, p1.Y - p0.Y, p1.Z - p0.Z);
var p = superNode.Position;
p.X += tr.X;
p.Y += tr.Y;
p.Z += tr.Z;
tp.X += 20;
tp.Y += 0;
tp.Z += 0;
superNode.Position = p;
TextManager.TextNode.Position = tp;
SCNTransaction.Commit();
TextManager.HighlightBullet(1);
break;
case 4:
//move the light
var lightPivot = SCNNode.Create();
lightPivot.Position = Character.Position;
GroundNode.AddChildNode(lightPivot);
spot = presentationViewController.SpotLight;
OldSpotPosition = spot.Position;
OldSpotParent = spot.ParentNode;
OldSpotZNear = spot.Light.ZNear;
spot.Light.ZNear = 20;
spot.Position = lightPivot.ConvertPositionFromNode(spot.Position, spot.ParentNode);
lightPivot.AddChildNode(spot);
//add an object to represent the light
var lightModel = SCNNode.Create();
var lightHandle = SCNNode.Create();
var cone = SCNCone.Create(0, 0.5f, 1);
cone.RadialSegmentCount = 10;
cone.HeightSegmentCount = 5;
lightModel.Geometry = cone;
lightModel.Geometry.FirstMaterial.Emission.Contents = NSColor.Yellow;
lightHandle.Position = new SCNVector3(spot.Position.X * DIST, spot.Position.Y * DIST, spot.Position.Z * DIST);
lightModel.CastsShadow = false;
lightModel.EulerAngles = new SCNVector3(NMath.PI / 2, 0, 0);
lightHandle.AddChildNode(lightModel);
lightHandle.Constraints = new SCNConstraint[] { SCNLookAtConstraint.Create(Character) };
lightPivot.AddChildNode(lightHandle);
LightHandle = lightHandle;
var animation = CABasicAnimation.FromKeyPath("eulerAngles.z");
animation.From = new NSNumber((nfloat)(Math.PI / 4) * 1.7f);
animation.To = new NSNumber((nfloat)(-Math.PI / 4) * 0.3f);
animation.Duration = 4;
animation.AutoReverses = true;
animation.RepeatCount = float.MaxValue;
animation.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseInEaseOut);
animation.TimeOffset = animation.Duration / 2;
lightPivot.AddAnimation(animation, new NSString("lightAnim"));
break;
case 5:
TextManager.FadeOutText(SlideTextManager.TextType.Code);
var text = TextManager.AddCode("#aLight.#shadowMode# =\n#SCNShadowModeModulated#;\naLight.#gobo# = anImage;#");
text.Position = new SCNVector3(text.Position.X, text.Position.Y - 6, text.Position.Z);
text.EnumerateChildNodes((SCNNode child, out bool stop) => {
stop = false;
child.RenderingOrder = 1;
foreach (var m in child.Geometry.Materials)
{
m.ReadsFromDepthBuffer = false;
m.WritesToDepthBuffer = false;
}
return(stop);
});
LightHandle.RemoveFromParentNode();
RestoreSpotPosition(presentationViewController);
TextManager.HighlightBullet(2);
spot = presentationViewController.SpotLight;
spot.Light.CastsShadow = false;
var head = Character.FindChildNode("Bip001_Pelvis", true);
node = SCNNode.Create();
node.Light = SCNLight.Create();
node.Light.LightType = SCNLightType.Spot;
node.Light.SpotOuterAngle = 30;
node.Constraints = new SCNConstraint[] { SCNLookAtConstraint.Create(head) };
node.Position = new SCNVector3(0, 220, 0);
node.Light.ZNear = 10;
node.Light.ZFar = 1000;
node.Light.Gobo.Contents = new NSImage(NSBundle.MainBundle.PathForResource("SharedTextures/blobShadow", "jpg"));
node.Light.Gobo.Intensity = 0.65f;
node.Light.ShadowMode = SCNShadowMode.Modulated;
//exclude character from shadow
node.Light.CategoryBitMask = 0x1;
Character.FindNodes((SCNNode child, out bool stop) => {
stop = false;
child.CategoryBitMask = 0x2;
return(stop);
});
Projector = node;
Character.AddChildNode(node);
break;
}
}