private void PresentPrimitives(PresentationViewController presentationViewController)
{
var count = 100;
var spread = 0.0f;
// create a cube with a sphere shape
for (int i = 0; i < count; ++i)
{
var model = SCNNode.Create();
model.Position = GroundNode.ConvertPositionToNode(new SCNVector3(RandFloat(-1, 1), RandFloat(30, 50), RandFloat(-1, 1)), null);
model.EulerAngles = new SCNVector3(RandFloat(0, NMath.PI * 2), RandFloat(0, NMath.PI * 2), RandFloat(0, NMath.PI * 2));
var size = new SCNVector3(RandFloat(1.0, 1.5), RandFloat(1.0, 1.5), RandFloat(1.0, 1.5));
var random = new Random((int)DateTime.Now.Ticks);
int geometryIndex = random.Next(0, 7);
switch (geometryIndex)
{
case 0: // Box
model.Geometry = SCNBox.Create(size.X, size.Y, size.Z, 0);
break;
case 1: // Pyramid
model.Geometry = SCNPyramid.Create(size.X, size.Y, size.Z);
break;
case 2: // Sphere
model.Geometry = SCNSphere.Create(size.X);
break;
case 3: // Cylinder
model.Geometry = SCNCylinder.Create(size.X, size.Y);
break;
case 4: // Tube
model.Geometry = SCNTube.Create(size.X, size.X + size.Z, size.Y);
break;
case 5: // Capsule
model.Geometry = SCNCapsule.Create(size.X, size.Y + 2 * size.X);
break;
case 6: // Torus
model.Geometry = SCNTorus.Create(size.X, NMath.Min(size.X, size.Y) / 2);
break;
default:
break;
}
model.Geometry.FirstMaterial.Multiply.Contents = new NSImage(NSBundle.MainBundle.PathForResource("SharedTextures/texture", "png"));
model.PhysicsBody = SCNPhysicsBody.CreateDynamicBody();
model.PhysicsBody.Velocity = new SCNVector3(RandFloat(-spread, spread), -10, RandFloat(-spread, spread));
model.PhysicsBody.AngularVelocity = new SCNVector4(RandFloat(-1, 1), RandFloat(-1, 1), RandFloat(-1, 1), RandFloat(-3, 3));
Shapes.Add(model);
((SCNView)presentationViewController.View).Scene.RootNode.AddChildNode(model);
}
}
private SCNGeometry Cylinder(double width, double height)
{
var cylinderGeometry = SCNCylinder.Create((nfloat)width / 2, (nfloat)height);
var gradYellowMat = Utilities.Material(UIImage.FromBundle("yellowimage"));
var clearMaterial = Utilities.Material(UIColor.Clear);
cylinderGeometry.Materials = new[] { gradYellowMat, clearMaterial, clearMaterial };
return(cylinderGeometry);
}
private SCNGeometry Cylinder(float height, float?width = null, UIColor colorArg = null)
{
var radius = width == null ? (float)lineThickness / 2 : width.Value / 2;
var clr = colorArg ?? this.color;
var cylinderGeometry = SCNCylinder.Create(radius, height);
cylinderGeometry.Materials = new[] { Utilities.Material(clr) };
return(cylinderGeometry);
}
private void AddCylinder()
{
SCNNode cylinderNode = new SCNNode();
cylinderNode.Geometry = SCNCylinder.Create(0.05f / 2, 0.05f);
cylinderNode.Geometry.FirstMaterial.Diffuse.Contents = UIColor.SystemPurpleColor; //Color del objeto
cylinderNode.Geometry.FirstMaterial.Specular.Contents = UIColor.White; //Color del reflejo
cylinderNode.Position = new SCNVector3(0.1f, 0.1f, 0);
sceneView.Scene.RootNode.AddChildNode(cylinderNode);
}
SCNGeometry CreateGeometry(float radius, float height, UIColor color)
{
SCNMaterial material = new SCNMaterial();
material.Diffuse.Contents = color;
SCNCylinder geometry = SCNCylinder.Create(radius, height);
geometry.Materials = new[] { material };
return(geometry);
}
private SCNNode CreateTransparentTrackNode()
{
var transparentTrackNode = new SCNNode();
var geometryLength = new SCNCylinder()
{
Height = _fieldLength, Radius = LINE_RADIUS
};
var geometryWidth = new SCNCylinder()
{
Height = _fieldWidth, Radius = LINE_RADIUS
};
var lengthNode1 = new SCNNode();
lengthNode1.Geometry = geometryLength;
lengthNode1.Geometry.Materials.First().Diffuse.Contents = TRANSPARENTTRACK_COLOR;
lengthNode1.EulerAngles = new SCNVector3(-1 * (float)Math.PI / 2, (float)Math.PI / 2, 0);
lengthNode1.Position = new SCNVector3(0f, 0f, _fieldWidth / 2);
transparentTrackNode.AddChildNode(lengthNode1);
var lengthNode2 = new SCNNode();
lengthNode2.Geometry = geometryLength;
lengthNode2.Geometry.Materials.First().Diffuse.Contents = TRANSPARENTTRACK_COLOR;
lengthNode2.EulerAngles = new SCNVector3(-1 * (float)Math.PI / 2, (float)Math.PI / 2, 0);
lengthNode2.Position = new SCNVector3(0f, 0f, -1f * _fieldWidth / 2);
transparentTrackNode.AddChildNode(lengthNode2);
var widthNode1 = new SCNNode();
widthNode1.Geometry = geometryWidth;
widthNode1.Geometry.Materials.First().Diffuse.Contents = TRANSPARENTTRACK_COLOR;
widthNode1.EulerAngles = new SCNVector3(-1 * (float)Math.PI / 2, 0, 0);
widthNode1.Position = new SCNVector3(_fieldLength / 2, 0f, 0);
transparentTrackNode.AddChildNode(widthNode1);
var widthNode2 = new SCNNode();
widthNode2.Geometry = geometryWidth;
widthNode2.Geometry.Materials.First().Diffuse.Contents = TRANSPARENTTRACK_COLOR;
widthNode2.EulerAngles = new SCNVector3(-1 * (float)Math.PI / 2, 0, 0);
widthNode2.Position = new SCNVector3(-1 * _fieldLength / 2, 0f, 0);
transparentTrackNode.AddChildNode(widthNode2);
return(transparentTrackNode);
}
// 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)
{
// 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();
}