实战需求

SwiftUI 动画特效之代码雨组建电影特性(项目含源码)

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基础知识

• 按时间生成随机字符串

final class MatrixElementViewModel: ObservableObject {
    
    @Published var randomCG = CGSize()
    @Published var randomCharacters = [String]()
    
    let cgRange = CGSize(width: .random(in: -400...400), height: .random(in: -400...400))
    let characters = ["1", "2", "3", "4", "5", "6", "7", "8", "9", "a","b","c","d","e","f","g","h","中","文","代",&