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 void PresentBalls(PresentationViewController presentationViewController) { var count = 150; for (int i = 0; i < count; ++i) { var worldPos = GroundNode.ConvertPositionToNode(new SCNVector3(RandFloat(-5, 5), RandFloat(25, 30), RandFloat(-5, 5)), null); var ball = CreatePoolBall(worldPos); ((SCNView)presentationViewController.View).Scene.RootNode.AddChildNode(ball); Balls.Add(ball); } }
private void PresentDices(PresentationViewController presentationViewController) { var count = 200; var spread = 6; // drop rigid bodies cubes var intervalTime = 5.0 / count; var remainingCount = count; Timer = NSTimer.CreateRepeatingTimer(intervalTime, delegate(NSTimer obj) { if (Step > 4) { Timer.Invalidate(); return; } SCNTransaction.Begin(); var worldPos = GroundNode.ConvertPositionToNode(new SCNVector3(0, 30, 0), null); var dice = CreateBlock(worldPos, new SCNVector3(1.5f, 1.5f, 1.5f)); //add to scene ((SCNView)presentationViewController.View).Scene.RootNode.AddChildNode(dice); dice.PhysicsBody.Velocity = new SCNVector3(RandFloat(-spread, spread), -10, RandFloat(-spread, spread)); dice.PhysicsBody.AngularVelocity = new SCNVector4(RandFloat(-1, 1), RandFloat(-1, 1), RandFloat(-1, 1), RandFloat(-3, 3)); SCNTransaction.Commit(); Dices.Add(dice); // ensure we stop firing if (--remainingCount < 0) { Timer.Invalidate(); } }); NSRunLoop.Current.AddTimer(Timer, NSRunLoopMode.Default); }
private void PresentMeshes(PresentationViewController presentationViewController) { // add meshes var container = SCNNode.Create(); var black = Utils.SCAddChildNode(container, "teapot", "Scenes.scnassets/lod/midResTeapot.dae", 5); int count = 100; for (int i = 0; i < count; ++i) { var worldPos = GroundNode.ConvertPositionToNode(new SCNVector3(RandFloat(-1, 1), RandFloat(30, 50), RandFloat(-1, 1)), null); var node = (SCNNode)black.Copy(); node.Position = worldPos; node.PhysicsBody = SCNPhysicsBody.CreateDynamicBody(); node.PhysicsBody.Friction = 0.5f; ((SCNView)presentationViewController.View).Scene.RootNode.AddChildNode(node); Meshes.Add(node); } }
private void MoveTarget(int step) { SCNTransaction.Begin(); SCNTransaction.AnimationDuration = 0.75f; switch (step) { case 0: Ik.TargetPosition = GroundNode.ConvertPositionToNode(new SCNVector3(-70, 2, 50), null); break; case 1: Target.Position = new SCNVector3(-1, 4, 10); Ik.TargetPosition = GroundNode.ConvertPositionToNode(new SCNVector3(-30, -50, 50), null); break; case 2: Target.Position = new SCNVector3(-5, 5, 10); Ik.TargetPosition = GroundNode.ConvertPositionToNode(new SCNVector3(-70, 2, 50), null); break; } Target.Opacity = 1; SCNTransaction.Commit(); }
public override void PresentStep(int index, PresentationViewController presentationViewController) { Step = index; switch (index) { case 0: break; case 1: TextManager.FlipOutText(SlideTextManager.TextType.Bullet); TextManager.SetSubtitle("SCNPhysicsBody"); TextManager.FlipInText(SlideTextManager.TextType.Subtitle); TextManager.AddBulletAtLevel("Dynamic Bodies", 0); // Add some code TextManager.AddCode("#// Make a node dynamic\n" + "aNode.#physicsBody# = [SCNPhysicsBody #dynamicBody#];#"); TextManager.FlipInText(SlideTextManager.TextType.Bullet); TextManager.FlipInText(SlideTextManager.TextType.Code); break; case 2: //add a cube var worldPos = GroundNode.ConvertPositionToNode(new SCNVector3(0, 12, 2), null); var dice = CreateBlock(worldPos, new SCNVector3(1.5f, 1.5f, 1.5f)); dice.PhysicsBody = null; //wait! dice.Rotation = new SCNVector4(0, 0, 1, (float)(Math.PI / 4) * 0.5f); dice.Scale = new SCNVector3(0.001f, 0.001f, 0.001f); ((SCNView)presentationViewController.View).Scene.RootNode.AddChildNode(dice); SCNTransaction.Begin(); SCNTransaction.AnimationDuration = 0.75f; dice.Scale = new SCNVector3(2, 2, 2); SCNTransaction.Commit(); Dices.Add(dice); break; case 3: foreach (var node in Dices) { node.PhysicsBody = SCNPhysicsBody.CreateDynamicBody(); } break; case 4: PresentDices(presentationViewController); break; case 5: TextManager.FlipOutText(SlideTextManager.TextType.Bullet); TextManager.FlipOutText(SlideTextManager.TextType.Code); TextManager.AddBulletAtLevel("Manipulate with forces", 0); // Add some code TextManager.AddCode("#// Apply an impulse\n" + "[aNode.physicsBody #applyForce:#aVector3 #atPosition:#aVector3 #impulse:#YES];#"); TextManager.FlipInText(SlideTextManager.TextType.Bullet); TextManager.FlipInText(SlideTextManager.TextType.Code); break; case 6: // remove dices var center = new SCNVector3(0, -5, 20); center = GroundNode.ConvertPositionToNode(center, null); Explosion(center, Dices); var popTime = new DispatchTime(DispatchTime.Now, (long)(1 * Utils.NSEC_PER_SEC)); DispatchQueue.MainQueue.DispatchAfter(popTime, () => { TextManager.FlipOutText(SlideTextManager.TextType.Code); TextManager.FlipOutText(SlideTextManager.TextType.Bullet); TextManager.AddBulletAtLevel("Static Bodies", 0); TextManager.AddCode("#// Make a node static\n" + "aNode.#physicsBody# = [SCNPhysicsBody #staticBody#];#"); TextManager.FlipInText(SlideTextManager.TextType.Bullet); TextManager.FlipInText(SlideTextManager.TextType.Code); }); break; case 7: PresentWalls(presentationViewController); break; case 8: PresentBalls(presentationViewController); break; case 9: //remove walls var walls = new List <SCNNode> (); GroundNode.EnumerateChildNodes(delegate(SCNNode node, out bool stop) { stop = false; if (node.Name == "container-wall") { node.RunAction(SCNAction.Sequence(new SCNAction [] { SCNAction.MoveBy(new SCNVector3(0, -2, 0), 0.5), SCNAction.RemoveFromParentNode() })); walls.Add(node); } return(stop); }); break; case 10: // remove balls center = new SCNVector3(0, -5, 5); center = GroundNode.ConvertPositionToNode(center, null); Explosion(center, Balls); popTime = new DispatchTime(DispatchTime.Now, (long)(0.5 * Utils.NSEC_PER_SEC)); DispatchQueue.MainQueue.DispatchAfter(popTime, () => { TextManager.FlipOutText(SlideTextManager.TextType.Code); TextManager.FlipOutText(SlideTextManager.TextType.Bullet); TextManager.AddBulletAtLevel("Kinematic Bodies", 0); TextManager.AddCode("#// Make a node kinematic\n" + "aNode.#physicsBody# = [SCNPhysicsBody #kinematicBody#];#"); TextManager.FlipInText(SlideTextManager.TextType.Bullet); TextManager.FlipInText(SlideTextManager.TextType.Code); }); break; case 11: var boxNode = SCNNode.Create(); boxNode.Geometry = SCNBox.Create(10, 0.2f, 10, 0); boxNode.Position = new SCNVector3(0, 5, MIDDLE_Z); boxNode.Geometry.FirstMaterial.Emission.Contents = NSColor.DarkGray; boxNode.PhysicsBody = SCNPhysicsBody.CreateKinematicBody(); boxNode.RunAction(SCNAction.RepeatActionForever(SCNAction.RotateBy(0, 0, NMath.PI * 2, 2.0))); GroundNode.AddChildNode(boxNode); KinematicItems.Add(boxNode); var invisibleWall = SCNNode.Create(); invisibleWall.Geometry = SCNBox.Create(4, 40, 10, 0); invisibleWall.Position = new SCNVector3(-7, 0, MIDDLE_Z); invisibleWall.Geometry.FirstMaterial.Transparency = 0; invisibleWall.PhysicsBody = SCNPhysicsBody.CreateStaticBody(); GroundNode.AddChildNode(invisibleWall); KinematicItems.Add(invisibleWall); invisibleWall = (SCNNode)invisibleWall.Copy(); invisibleWall.Position = new SCNVector3(7, 0, MIDDLE_Z); GroundNode.AddChildNode(invisibleWall); KinematicItems.Add(invisibleWall); invisibleWall = (SCNNode)invisibleWall.Copy(); invisibleWall.Geometry = SCNBox.Create(10, 40, 4, 0); invisibleWall.Geometry.FirstMaterial.Transparency = 0; invisibleWall.Position = new SCNVector3(0, 0, MIDDLE_Z - 7); invisibleWall.PhysicsBody = SCNPhysicsBody.CreateStaticBody(); GroundNode.AddChildNode(invisibleWall); KinematicItems.Add(invisibleWall); invisibleWall = (SCNNode)invisibleWall.Copy(); invisibleWall.Position = new SCNVector3(0, 0, MIDDLE_Z + 7); GroundNode.AddChildNode(invisibleWall); KinematicItems.Add(invisibleWall); for (int i = 0; i < 100; i++) { var ball = SCNNode.Create(); worldPos = boxNode.ConvertPositionToNode(new SCNVector3(RandFloat(-4, 4), RandFloat(10, 30), RandFloat(-1, 4)), null); ball.Position = worldPos; ball.Geometry = SCNSphere.Create(0.5f); ball.Geometry.FirstMaterial.Diffuse.Contents = NSColor.Cyan; ball.PhysicsBody = SCNPhysicsBody.CreateDynamicBody(); ((SCNView)presentationViewController.View).Scene.RootNode.AddChildNode(ball); KinematicItems.Add(ball); } break; case 12: TextManager.FlipOutText(SlideTextManager.TextType.Code); TextManager.FlipOutText(SlideTextManager.TextType.Bullet); TextManager.FlipOutText(SlideTextManager.TextType.Subtitle); TextManager.SetSubtitle("SCNPhysicsShape"); TextManager.AddCode("#// Configure the physics shape\n\n" + "aNode.physicsBody.#physicsShape# = \n\t[#SCNPhysicsShape# shapeWithGeometry:aGeometry options:options];#"); TextManager.FlipInText(SlideTextManager.TextType.Bullet); TextManager.FlipInText(SlideTextManager.TextType.Code); KinematicItems[0].RunAction(SCNAction.Sequence(new SCNAction[] { SCNAction.FadeOut(0.5), SCNAction.RemoveFromParentNode() })); for (int i = 1; i < 5; i++) { KinematicItems[i].RemoveFromParentNode(); } KinematicItems = null; break; case 13: //add meshes PresentMeshes(presentationViewController); break; case 14: // remove meshes center = new SCNVector3(0, -5, 20); center = GroundNode.ConvertPositionToNode(center, null); Explosion(center, Meshes); break; case 15: // add shapes PresentPrimitives(presentationViewController); break; case 16: // remove shapes center = new SCNVector3(0, -5, 20); center = GroundNode.ConvertPositionToNode(center, null); Explosion(center, Shapes); popTime = new DispatchTime(DispatchTime.Now, (long)(0.5 * Utils.NSEC_PER_SEC)); DispatchQueue.MainQueue.DispatchAfter(popTime, () => { TextManager.FlipOutText(SlideTextManager.TextType.Code); TextManager.FlipOutText(SlideTextManager.TextType.Bullet); TextManager.FlipOutText(SlideTextManager.TextType.Subtitle); TextManager.SetSubtitle("SCNPhysicsBehavior"); TextManager.AddCode("#// setup a physics behavior\n\n" + "#SCNPhysicsHingeJoint# *joint = [SCNPhysicsHingeJoint\n\n" + "jointWithBodyA:#nodeA.physicsBody# axisA:[...] anchorA:[...]\n\n" + "bodyB:#nodeB.physicsBody# axisB:[...] anchorB:[...]];\n\n\n" + "[scene.#physicsWorld# addBehavior:joint];#"); TextManager.FlipInText(SlideTextManager.TextType.Bullet); TextManager.FlipInText(SlideTextManager.TextType.Subtitle); TextManager.FlipInText(SlideTextManager.TextType.Code); }); break; case 17: //add meshes PresentHinge(presentationViewController); break; case 18: //remove constraints ((SCNView)presentationViewController.View).Scene.PhysicsWorld.RemoveAllBehaviors(); foreach (var node in Hinges) { node.RunAction(SCNAction.Sequence(new SCNAction[] { SCNAction.Wait(3.0), SCNAction.FadeOut(0.5), SCNAction.RemoveFromParentNode() })); } break; case 19: TextManager.FlipOutText(SlideTextManager.TextType.Bullet); TextManager.FlipOutText(SlideTextManager.TextType.Subtitle); TextManager.FlipOutText(SlideTextManager.TextType.Code); TextManager.SetSubtitle("More..."); TextManager.FlipInText(SlideTextManager.TextType.Subtitle); TextManager.AddBulletAtLevel("SCNPhysicsField", 0); TextManager.AddBulletAtLevel("SCNPhysicsVehicle", 0); TextManager.FlipInText(SlideTextManager.TextType.Bullet); TextManager.FlipInText(SlideTextManager.TextType.Code); break; } }
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; } }