Animate MeshGradient in SwiftUI

AnimationMeshGradient.swift

TimelineView(.animation) { timeline in
    let x = (sin(timeline.date.timeIntervalSince1970) + 1) / 2
    MeshGradient(
        width: 3,
        height: 3,
        points: [
            [0.0, 0.0], [0.5, 0.0], [1.0, 0.0],
            [0.0, 0.5], [Float(x), 0.5], [1.0, 0.5],
            [0.0, 1.0], [0.5, 1.0], [1.0, 1.0]
        ], colors: [
            .red, .red, .red,
            .black, .red, .black,
            .black, .red, .black
        ])
    .edgesIgnoringSafeArea(.all)
}