public virtual void DidBeginContact(SCNPhysicsWorld world, SCNPhysicsContact contact)
{
if (CurrentGameState == GameState.InGame)
{
// Player to banana, large banana, or coconut
if (contact.NodeA == GameLevel.PlayerCharacter.CollideSphere)
{
PlayerCollideWithContact(contact.NodeB, contact.ContactPoint);
return;
}
else if (contact.NodeB == GameLevel.PlayerCharacter.CollideSphere)
{
PlayerCollideWithContact(contact.NodeA, contact.ContactPoint);
return;
}
// Coconut to anything but the player.
if ((contact.NodeB.CategoryBitMask == GameCollisionCategory.Coconut))
{
HandleCollideForCoconut((Coconut)contact.NodeB);
}
else if ((contact.NodeA.CategoryBitMask == GameCollisionCategory.Coconut))
{
HandleCollideForCoconut((Coconut)contact.NodeA);
}
}
}
public override void DidBeginContact(SCNPhysicsWorld world, SCNPhysicsContact contact)
{
var nodeA = contact.NodeA;
var nodeB = contact.NodeB;
SCNNode target = null;
if (nodeA.PhysicsBody.CategoryBitMask == (int)BitMaskCategory.Pokemon)
{
target = nodeA;
}
else if (nodeB.PhysicsBody.CategoryBitMask == (int)BitMaskCategory.Pokemon)
{
target = nodeB;
}
if (target != null && !animatedNodes.Contains(target))
{
var targetScale = target.Scale;
animatedNodes.Add(target);
target.RunAction(SCNAction.Sequence(new SCNAction[] {
SCNAction.ScaleTo(0, 1.0f),
SCNAction.ScaleTo(targetScale.X, 2.0f),
}), () => {
animatedNodes.Remove(target);
});
}
}
public void DidBeginContactAll(SCNPhysicsContact contact)
{
[email protected]();
foreach (var projectile in this.projectiles)
{
projectile.DidBeginContact(contact);
}
[email protected]();
}
public virtual void DidUpdateContact(SCNPhysicsWorld world, SCNPhysicsContact contact)
{
if (contact.NodeA?.PhysicsBody.CategoryBitMask == (nuint)(int)Bitmask.Collision)
{
CharacterNodeHitWallWithContact(contact.NodeB, contact);
}
if (contact.NodeB?.PhysicsBody.CategoryBitMask == (nuint)(int)Bitmask.Collision)
{
CharacterNodeHitWallWithContact(contact.NodeA, contact);
}
}
public virtual void DidBeginContact(SCNPhysicsWorld world, SCNPhysicsContact contact)
{
if (contact.NodeA.PhysicsBody.CategoryBitMask == (nuint)(int)Bitmask.Collision)
{
CharacterNodeHitWallWithContact(contact.NodeB, contact);
}
if (contact.NodeB.PhysicsBody.CategoryBitMask == (nuint)(int)Bitmask.Collision)
{
CharacterNodeHitWallWithContact(contact.NodeA, contact);
}
if (contact.NodeA.PhysicsBody.CategoryBitMask == (nuint)(int)Bitmask.Collectable)
{
CollectPearl(contact.NodeA);
}
if (contact.NodeB.PhysicsBody.CategoryBitMask == (nuint)(int)Bitmask.Collectable)
{
CollectPearl(contact.NodeB);
}
if (contact.NodeA.PhysicsBody.CategoryBitMask == (nuint)(int)Bitmask.SuperCollectable)
{
CollectFlower(contact.NodeA);
}
if (contact.NodeB.PhysicsBody.CategoryBitMask == (nuint)(int)Bitmask.SuperCollectable)
{
CollectFlower(contact.NodeB);
}
if (contact.NodeA.PhysicsBody.CategoryBitMask == (nuint)(int)Bitmask.Enemy)
{
WasHit();
}
if (contact.NodeB.PhysicsBody.CategoryBitMask == (nuint)(int)Bitmask.Enemy)
{
WasHit();
}
}
void CharacterNodeHitWallWithContact(SCNNode capsule, SCNPhysicsContact contact)
{
if (capsule.ParentNode != Character.Node)
{
return;
}
if (maxPenetrationDistance > contact.PenetrationDistance)
{
return;
}
maxPenetrationDistance = contact.PenetrationDistance;
var charPosition = Character.Node.Position;
SCNVector3 n = contact.ContactNormal;
SCNVector3.Multiply(ref n, (float)contact.PenetrationDistance, out n);
n.Y = 0;
SCNVector3.Add(ref charPosition, ref n, out replacementPosition);
positionNeedsAdjustment = true;
}
private Tuple <SCNVector3, SCNVector3> HandleSlidingAtContact(SCNPhysicsContact closestContact, SCNVector3 start, SCNVector3 velocity)
{
var originalDistance = velocity.Length;
var colliderPositionAtContact = start + (float)closestContact.SweepTestFraction * velocity;
// Compute the sliding plane.
var slidePlaneNormal = new SCNVector3(closestContact.ContactNormal);
var slidePlaneOrigin = new SCNVector3(closestContact.ContactPoint);
var centerOffset = slidePlaneOrigin - colliderPositionAtContact;
// Compute destination relative to the point of contact.
var destinationPoint = slidePlaneOrigin + velocity;
// We now project the destination point onto the sliding plane.
var distPlane = SCNVector3.Dot(slidePlaneOrigin, slidePlaneNormal);
// Project on plane.
var t = Utils.PlaneIntersect(slidePlaneNormal, distPlane, destinationPoint, slidePlaneNormal);
var normalizedVelocity = velocity * (1f / originalDistance);
var angle = SCNVector3.Dot(slidePlaneNormal, normalizedVelocity);
var frictionCoeff = 0.3f;
if (Math.Abs(angle) < 0.9f)
{
t += (float)10E-3;
frictionCoeff = 1.0f;
}
var newDestinationPoint = (destinationPoint + t * slidePlaneNormal) - centerOffset;
// Advance start position to nearest point without collision.
var computedVelocity = frictionCoeff * (float)(1f - closestContact.SweepTestFraction) * originalDistance * SCNVector3.Normalize(newDestinationPoint - start);
return(new Tuple <SCNVector3, SCNVector3>(computedVelocity, colliderPositionAtContact));
}
void CharacterNodeHitWallWithContact (SCNNode capsule, SCNPhysicsContact contact)
{
if (capsule.ParentNode != Character.Node)
return;
if (maxPenetrationDistance > contact.PenetrationDistance)
return;
maxPenetrationDistance = contact.PenetrationDistance;
var charPosition = Character.Node.Position;
SCNVector3 n = contact.ContactNormal;
SCNVector3.Multiply (ref n, (float)contact.PenetrationDistance, out n);
n.Y = 0;
SCNVector3.Add (ref charPosition, ref n, out replacementPosition);
positionNeedsAdjustment = true;
}
public virtual void DidUpdateContact (SCNPhysicsWorld world, SCNPhysicsContact contact)
{
if (contact.NodeA?.PhysicsBody.CategoryBitMask == (nuint)(int)Bitmask.Collision)
CharacterNodeHitWallWithContact (contact.NodeB, contact);
if (contact.NodeB?.PhysicsBody.CategoryBitMask == (nuint)(int)Bitmask.Collision)
CharacterNodeHitWallWithContact (contact.NodeA, contact);
}
public virtual void DidBeginContact (SCNPhysicsWorld world, SCNPhysicsContact contact)
{
if (contact.NodeA.PhysicsBody.CategoryBitMask == (nuint)(int)Bitmask.Collision)
CharacterNodeHitWallWithContact (contact.NodeB, contact);
if (contact.NodeB.PhysicsBody.CategoryBitMask == (nuint)(int)Bitmask.Collision)
CharacterNodeHitWallWithContact (contact.NodeA, contact);
if (contact.NodeA.PhysicsBody.CategoryBitMask == (nuint)(int)Bitmask.Collectable)
CollectPearl (contact.NodeA);
if (contact.NodeB.PhysicsBody.CategoryBitMask == (nuint)(int)Bitmask.Collectable)
CollectPearl (contact.NodeB);
if (contact.NodeA.PhysicsBody.CategoryBitMask == (nuint)(int)Bitmask.SuperCollectable)
CollectFlower (contact.NodeA);
if (contact.NodeB.PhysicsBody.CategoryBitMask == (nuint)(int)Bitmask.SuperCollectable)
CollectFlower (contact.NodeB);
if (contact.NodeA.PhysicsBody.CategoryBitMask == (nuint)(int)Bitmask.Enemy)
WasHit ();
if (contact.NodeB.PhysicsBody.CategoryBitMask == (nuint)(int)Bitmask.Enemy)
WasHit ();
}
public void DidBeginContact(SCNPhysicsContact contact)
{
}
public void DidBeginContact (SCNPhysicsWorld world, SCNPhysicsContact contact)
{
SCNNode ball;
if (contact.NodeA.PhysicsBody.Type == SCNPhysicsBodyType.Dynamic) {
ball = contact.NodeA;
} else {
ball = contact.NodeB;
}
if (ball != null) {
DispatchQueue.MainQueue.DispatchAsync (ball.RemoveFromParentNode);
var plokCopy = (SCNParticleSystem)Plok.Copy ();
plokCopy.ParticleImage = Plok.ParticleImage; // to workaround an bug in seed #1
plokCopy.ParticleColor = (SKColor)ball.Geometry.FirstMaterial.Diffuse.Contents;
Scene.AddParticleSystem (plokCopy, SCNMatrix4.CreateTranslation (contact.ContactPoint.X, contact.ContactPoint.Y, contact.ContactPoint.Z));
//compute texture coordinate
var pointA = new SCNVector3 (contact.ContactPoint.X, contact.ContactPoint.Y, contact.ContactPoint.Z + 20);
var pointB = new SCNVector3 (contact.ContactPoint.X, contact.ContactPoint.Y, contact.ContactPoint.Z - 20);
var hitTestOptions = new SCNHitTestOptions (NSDictionary.FromObjectAndKey (Torus, SCNHitTest.RootNodeKey));
var results = SceneView.Scene.RootNode.HitTest (pointA, pointB, hitTestOptions);
if (results.Length > 0) {
var hit = results [0];
AddPaint (hit.GetTextureCoordinatesWithMappingChannel (0), plokCopy.ParticleColor);
}
}
}
public virtual void DidBeginContact (SCNPhysicsWorld world, SCNPhysicsContact contact)
{
if (CurrentGameState == GameState.InGame) {
// Player to banana, large banana, or coconut
if (contact.NodeA == GameLevel.PlayerCharacter.CollideSphere) {
PlayerCollideWithContact (contact.NodeB, contact.ContactPoint);
return;
} else if (contact.NodeB == GameLevel.PlayerCharacter.CollideSphere) {
PlayerCollideWithContact (contact.NodeA, contact.ContactPoint);
return;
}
// Coconut to anything but the player.
if ((contact.NodeB.CategoryBitMask == GameCollisionCategory.Coconut)) {
HandleCollideForCoconut ((Coconut)contact.NodeB);
} else if ((contact.NodeA.CategoryBitMask == GameCollisionCategory.Coconut)) {
HandleCollideForCoconut ((Coconut)contact.NodeA);
}
}
}
