Matt54

import SwiftUI

struct AnimatingMaskedMeshView: View {
    let referenceDate: Date = .now
    
    @State private var mainPosition: CGPoint = .zero
    @State private var positions: [CGPoint] = []
    
    private let blurRadius = 20.0
    private let alphaThreshold = 0.875

stzn

データ競合安全

Swiftの基本的な概念について学び、データ競合のない並行コードを実現する方法を知りましょう。

原文	https://github.com/apple/swift-migration-guide/blob/main/Guide.docc/DataRaceSafety.md
更新日	2024/7/6(翻訳を最後に更新した日付)
ここまで反映	https://github.com/apple/swift-migration-guide/commit/24e31ffc589fefb42f08877878e689eb29b1644b

従来、可変状態(mutable state)は、細心の注意を払い、実行時の同期によって手動で保護する必要がありました。

Koshimizu-Takehito

import SwiftUI

struct ContentView: View {
    @State var trigger = 0
    @State var text = sampeles[0]

    var body: some View {
        VStack(alignment: .leading, spacing: 12) {
            HackerTextEffectView(
                text: text,

amosgyamfi

//
//  SignatureAnimation.swift
//  OpenSwiftUIAnimations
//
//  Created by Amos Gyamfi on 11.5.2024.
//

import SwiftUI

struct SignatureAnimation: View {

Koshimizu-Takehito

import SwiftUI

extension [Color] {
    static func rainbow(hue: Double = 0, count: Int) -> Self {
        (0..<count).map { i in
            var value = hue + Double(i) / Double(count)
            value -= floor(value)
            return Color(hue: value, saturation: 1/4, brightness: 1)
        }
    }

Koshimizu-Takehito

#include <metal_stdlib>
using namespace metal;

namespace JuliaSet {
    /// HSV -> RGB
    half3 hsv2rgb(half3 c) {
        half3 rgb = clamp(abs(fmod(c.x * 6.0 + half3(0.0, 4.0, 2.0), 6.0) - 3.0) - 1.0, 0.0, 1.0);
        return c.z * mix(half3(1.0), rgb, c.y);
    }

Koshimizu-Takehito

import SwiftUI

struct SqureFlowView: View {
    @StateObject private var holder = SquresHolder()

    var body: some View {
        TimelineView(.animation) { timeline in
            Canvas { context, size in
                holder.update(at: timeline.date, in: size)
                for item in holder.squre {

Koshimizu-Takehito

#include <metal_stdlib>
using namespace metal;

namespace SmoothMin2d {
    float smoothMin(float x1, float x2, float k) {
        float h = clamp(0.5 - 0.5 * (x2 - x1) / k, 0.0, 1.0);
        return mix(x1, x2, h) - k * h * (1.0 - h);
    }

    float circleSDF(float2 point, float2 center, float radius) {

sebjvidal

//
//  ViewController.swift
//  Journal-Calendar-Demo
//
//  Created by Seb Vidal on 30/04/2024.
//

import UIKit

class ViewController: UIViewController {

Koshimizu-Takehito

import SwiftUI

struct LoadingView: View {
    @State var theta: Double = 0
    let radius: Double = 60

    var body: some View {
        ZStack {
            ForEach(0..<8) { index in
                let offset = ((2 * .pi) * Double(index)) / 8