private void CreateHingeJoint(SCNPhysicsBody source,
SCNVector3 sourceAxis,
SCNVector3 sourceAnchor,
SCNPhysicsBody dest,
SCNVector3 destAxis,
SCNVector3 destAnchor)
{
var joint = SCNPhysicsHingeJoint.Create(source, sourceAxis, sourceAnchor, dest, destAxis, destAnchor);
this.joints.Add(joint);
}
private void PresentHinge(PresentationViewController presentationViewController)
{
var count = 10.0f;
var material = SCNMaterial.Create();
material.Diffuse.Contents = NSColor.White;
material.Specular.Contents = NSColor.White;
material.LocksAmbientWithDiffuse = true;
var cubeWidth = 10.0f / count;
var cubeHeight = 0.2f;
var cubeLength = 5.0f;
var offset = 0;
var height = 5 + count * cubeWidth;
SCNNode oldModel = null;
for (int i = 0; i < count; ++i)
{
var model = SCNNode.Create();
var worldtr = GroundNode.ConvertTransformToNode(SCNMatrix4.CreateTranslation(-offset + cubeWidth * i, height, 5), null);
model.Transform = worldtr;
model.Geometry = SCNBox.Create(cubeWidth, cubeHeight, cubeLength, 0);
model.Geometry.FirstMaterial = material;
var body = SCNPhysicsBody.CreateDynamicBody();
body.Restitution = 0.6f;
model.PhysicsBody = body;
((SCNView)presentationViewController.View).Scene.RootNode.AddChildNode(model);
var joint = SCNPhysicsHingeJoint.Create(model.PhysicsBody, new SCNVector3(0, 0, 1), new SCNVector3(-cubeWidth * 0.5f, 0, 0), (oldModel != null ? oldModel.PhysicsBody : null), new SCNVector3(0, 0, 1), new SCNVector3(cubeWidth * 0.5f, 0, 0));
((SCNView)presentationViewController.View).Scene.PhysicsWorld.AddBehavior(joint);
Hinges.Add(model);
oldModel = model;
}
}