Matt54

import Foundation
import ModelIO
import simd

nonisolated func loadMeshWithModelIO(from url: URL) throws -> TriangleMesh {
    let asset = MDLAsset(url: url)
    
    guard asset.count > 0 else {
        throw NSError(domain: "ModelIO", code: 1, userInfo: [NSLocalizedDescriptionKey: "No objects found in file"])
    }

Matt54

import Foundation

enum EasingCurve {
    case linear
    case easeIn(Float)
    case easeOut(Float)
    case easeInOut(Float)

    func apply(_ t: Float) -> Float {
        let t = max(0, min(1, t))

Matt54

import Metal
import RealityKit
import SwiftUI

#Preview { ExtrudedTextLowLevelMeshView() }
struct ExtrudedTextLowLevelMeshView: View {
    @State var lowLevelMesh: LowLevelMesh?
    @State var originalVerticesBuffer: MTLBuffer?
    @State var timer: Timer?

Matt54

import Foundation

enum EasingCurve {
    case linear
    case easeIn(Float)
    case easeOut(Float)
    case easeInOut(Float)

    func apply(_ t: Float) -> Float {
        let t = max(0, min(1, t))

Matt54

#ifndef MarchingCubesColorBlobParams_h
#define MarchingCubesColorBlobParams_h
#include <simd/simd.h>

typedef struct {
    simd_float3 center;
    float       radius;
    simd_float3 color;
    float _pad;
    

Matt54

#ifndef MarchingCubesBlobParams_h
#define MarchingCubesBlobParams_h

#include <simd/simd.h>

typedef struct {
    simd_float3 center;
    float       radius;
} Sphere;

Matt54

#ifndef HeightMapParams_h
#define HeightMapParams_h

struct HeightMapParams {
    simd_float2 size;
    simd_uint2 dimensions;
};

#endif /* HeightMapParams_h */

Matt54

#include <metal_stdlib>
using namespace metal;

struct VertexData {
    float3 position;
    float3 normal;
    float2 uv;
};

struct MorphingSphereParams {

Matt54

import RealityKit
import SwiftUI

struct BubbleRealityView: View {
    @State private var currentEntity: Entity?
    @State private var morphFactor: Float = 0.0
    @State private var frameDuration: TimeInterval = 0.0
    @State private var lastUpdateTime = CACurrentMediaTime()
    
    static let animationFrameDuration: TimeInterval = 1.0 / 120.0

samsonjs

import AVFoundation

/**
  * AVAssetExportSession is initialized with an AVComposition, and that composition and all of its constituent
  * components are not sendable. Because `composition` is isolated to the main actor here, the call to the
  * non-isolated method `export(to:as:)` sends it across an isolation region and that is unsafe.
  */
@MainActor
class UnsafeMovieExporter {
    let composition = AVMutableComposition()