jeffbailey

@available(iOS 15.0, *)
struct TwinkleView:View {
    
    private func position(in proxy: GeometryProxy, sparkle:Sparkle) -> CGPoint {
        let radius = min(proxy.size.width, proxy.size.height) / 2.0
        let drawnRadius = (radius - 5) * sparkle.position.x
        let angle = Double.pi * 2.0 * sparkle.position.y

        let x = proxy.size.width * 0.5 + drawnRadius * cos(angle)
        let y = proxy.size.height * 0.5 + drawnRadius * sin(angle)

jeffbailey

// Advanced SwiftUI Transitions
// https://swiftui-lab.com
// https://swiftui-lab.com/advanced-transitions

import SwiftUI

struct CrossEffectDemo: View {
    let animationDuration: Double = 2
    let images = ["photo1", "photo2", "photo3", "photo4"]
    @State private var idx = 0