scenekit

Is there any way to render different contents for both radius and height sections I am trying to use a cylinder shaped object and rendering image on it using diffuse.contents of SCMaterial instance myCustomMaterial.diffuse.contents = UIImage(named: "image") It renders this image on cylinder, however same image gets rendered on both height and render section. I would like to render a different image on height section than radius section. Is it possible? Use an array of materials. let cylinder = SCNCylinder(radius: 1.0, height: 1.0) let cylinderNode = SCNNode(geometry: cylinder) let fillMurray =

I am trying to manipulate the player node using physicsBody.velocity by adding or subtracting velocity to the axis for different directions. The problem is that I'm having trouble finding the method for applying that to local space or at least applying the velocity in relation to the direction the object is facing. In other words, it works fine if I have not rotated the object's node. If I do it will still add the velocity to the unrotated space. I know there is a way to add velocity to the current SCNVector3, but I cannot figure it out. if isZThrustPositive { if let velocity = self

Swift 3, SceneKit: In my game, I have an SCNSphere node in the center of the screen. The sphere drops by gravity onto an SCNBox node, and a velocity of SCNVector3(0,6,0) is applied to it once it collides with the box. A new box is created and moves forward (z+) towards my camera and towards the sphere as well. The sphere rises, peaks, and then falls back down (by gravity) towards the new box, and when it collides with the new box, a velocity of SCNVector(0,6,0) is applied to it. This process repeats continuously. A sphere that repeatedly bounces on a new approaching box, basically. Instead of

I have several objects in my scene, all of which had the "lighting model" of their material set to be physically based. When I run the app, the view I get looks nothing like the scene editor - it instead looks more like Phong materials. Is there a root node I need to change in order to have it render physically based from the get-go? I'm new to objective-c, so I'm not sure if I need to set the lighting model of the root node to physically based, and if so, how I would access the root node (and furthermore, can the root node even have a lighting model attribute since it itself is not renderable

I'm trying to debug why our SceneKit-based app is using so much memory but Xcode and Instruments / Allocations seem to have very different values for the amount of memory being used. When I look in Xcode I see something like 600 MB but when I transfer the same running session over to Instruments / Allocations, I see a very different number for persistent bytes, like 150 MB . Which one is correct? Why the difference? Are they measuring different things? (Regardless of whether I Transfer an Xcode debug session or start fresh in Instruments, it doesn't seem to make much difference.) The reason