public void CollideWithLava()
{
if (HitByLavaReset == true)
{
return;
}
PlayerCharacter.InRunAnimation = false;
GameSimulation.Sim.PlaySound("ack.caf");
// Blink for a second
SCNAction blinkOffAction = SCNAction.FadeOut(0.15f);
SCNAction blinkOnAction = SCNAction.FadeIn(0.15f);
SCNAction cycle = SCNAction.Sequence(new SCNAction[] { blinkOffAction, blinkOnAction });
SCNAction repeatCycle = SCNAction.RepeatAction(cycle, 17);
HitByLavaReset = true;
PlayerCharacter.RunAction(repeatCycle, () => {
TimeAlongPath = 0;
PlayerCharacter.Position = LocationAlongPath(TimeAlongPath);
PlayerCharacter.Rotation = GetPlayerDirectionFromCurrentPosition();
HitByLavaReset = false;
});
}
public void Hide()
{
if (Math.Abs(Opacity - 1.0) < Double.Epsilon)
{
RunAction(SCNAction.FadeOut(0.5f));
}
}
/// <summary>
/// Hides the border.
/// </summary>
public void HideBorder(double duration = 0.5d)
{
if (this.borderNode.GetAction("hide") == null)
{
this.borderNode.RemoveAction("unhide");
this.borderNode.RunAction(SCNAction.FadeOut(duration), "hide", () =>
{
this.borderNode.Hidden = true;
});
}
}
public void CollideWithCoconut(SCNNode coconut, SCNVector3 contactPoint)
{
// No more collisions. Let it bounce away and fade out.
coconut.PhysicsBody.CollisionBitMask = 0;
coconut.RunAction(SCNAction.Sequence(new SCNAction[] {
SCNAction.Wait(1.0),
SCNAction.FadeOut(1.0),
SCNAction.RemoveFromParentNode()
}), () => {
Coconuts.Remove((Coconut)coconut);
});
// Decrement score
int amountToDrop = Score / 10;
amountToDrop = Math.Max(1, amountToDrop);
amountToDrop = Math.Min(10, amountToDrop);
if (amountToDrop > Score)
{
amountToDrop = Score;
}
Score -= amountToDrop;
// Throw bananas
float spacing = 40f;
for (int x = 0; x < amountToDrop; x++)
{
SCNNode banana = CreateBanana();
RootNode.AddChildNode(banana);
banana.Position = contactPoint;
banana.PhysicsBody.CategoryBitMask = GameCollisionCategory.NoCollide;
banana.PhysicsBody.CollisionBitMask = GameCollisionCategory.Ground;
SCNVector3 endPoint = SCNVector3.Zero;
endPoint.X -= (spacing * x) + spacing;
SCNAction flyoff = SCNAction.MoveBy(endPoint, MathUtils.RandomPercent() * 0.750f);
flyoff.TimingMode = SCNActionTimingMode.EaseInEaseOut;
banana.RunAction(flyoff, () => {
banana.PhysicsBody.CategoryBitMask = GameCollisionCategory.Banana;
banana.PhysicsBody.CollisionBitMask = GameCollisionCategory.Ground | GameCollisionCategory.Player;
});
Bananas.Add(banana);
}
PlayerCharacter.InHitAnimation = true;
}
private void Explosion(SCNVector3 center, List <SCNNode> nodes)
{
foreach (var node in nodes)
{
var position = node.PresentationNode.Position;
var dir = SCNVector3.Subtract(position, center);
var force = (nfloat)25.0f;
var distance = dir.Length;
dir = SCNVector3.Multiply(dir, force / NMath.Max(0.01f, distance));
node.PhysicsBody.ApplyForce(dir, new SCNVector3(RandFloat(-0.2, 0.2), RandFloat(-0.2, 0.2), RandFloat(-0.2, 0.2)), true);
node.RunAction(SCNAction.Sequence(new SCNAction[] {
SCNAction.Wait(2),
SCNAction.FadeOut(0.5f),
SCNAction.RemoveFromParentNode()
}));
}
}
public void Update(CameraInfo cameraInfo)
{
if (this.Delegate == null)
{
throw new Exception("No delegate");
}
// Do not move the lever after it has been activated
if (!(this.InteractionToActivate?.IsActivated ?? false))
{
if (this.activeSwitch != null)
{
// Lever Pulling
var cameraOffset = this.activeSwitch.PullOffset(cameraInfo.Ray.Position - this.startLeverHoldCameraPosition);
var cameraMovedZ = cameraOffset.Z;
var targetEulerX = this.startLeverEulerX + LeverPullZtoLeverEulerRotation * cameraMovedZ;
targetEulerX = DigitExtensions.Clamp(-LeverMaxEulerX, targetEulerX, LeverMaxEulerX);
this.activeSwitch.Angle = targetEulerX;
if (targetEulerX <= -LeverMaxEulerX)
{
// Interaction activation once the switch lever is turned all the way
this.InteractionToActivate?.Activate();
// Fade out the switches
var waitAction = SCNAction.Wait(3f);
var fadeAction = SCNAction.FadeOut(3d);
foreach (var resetSwitch in this.resetSwitches)
{
resetSwitch.Base.RunAction(SCNAction.Sequence(new SCNAction[] { waitAction, fadeAction }));
}
return;
}
else
{
// Inform peers of the movement
var leverId = this.resetSwitches.IndexOf(this.activeSwitch);
if (leverId == -1)
{
throw new Exception("No lever in array");
}
this.Delegate.DispatchActionToServer(new GameActionType {
LeverMove = new LeverMove(leverId, targetEulerX), Type = GameActionType.GActionType.LeverMove
});
}
}
else
{
// Lever spring back
foreach (var lever in this.resetSwitches.Where(lever => lever.Angle < LeverMaxEulerX))
{
lever.Angle = Math.Min(LeverMaxEulerX, lever.Angle + LeverSpringBackSpeed * (float)GameTime.DeltaTime);
}
}
// Highlight lever when nearby, otherwise check if we should hide the highlight
if (this.highlightedSwitch != null)
{
if (!this.highlightedSwitch.ShouldHighlight(cameraInfo.Ray))
{
this.highlightedSwitch.DoHighlight(false, this.SfxCoordinator);
this.highlightedSwitch = null;
}
}
else
{
foreach (var resetSwitch in this.resetSwitches)
{
if (resetSwitch.ShouldHighlight(cameraInfo.Ray))
{
resetSwitch.DoHighlight(true, this.SfxCoordinator);
this.highlightedSwitch = resetSwitch;
}
}
}
}
}
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;
}
}
