realvjy

// Lines
float hash( float n ) {
    return fract(sin(n)*753.5453123);
}

// Slight modification of iq's noise function.
float noise(vector_float2 x )
{
    vector_float2 p = floor(x);
    vector_float2 f = fract(x);

chriseidhof

//
//  Diagrams.swift
//  DiagramsSample
//
//  Created by Chris Eidhof on 16.12.19.
//  Copyright © 2019 objc.io. All rights reserved.
//

import SwiftUI

chriseidhof

import SwiftUI

struct SizeKey: PreferenceKey {
    static func reduce(value: inout CGSize?, nextValue: () -> CGSize?) {
        value = value ?? nextValue()
    }
}
struct ContentView: View {
    @State var width: CGFloat? = nil
    var body: some View {

morganwilde

        CATransform3D transformation = CATransform3DIdentity;
        // x line
        transformation.m11 = 1; // 20% less wide wall
        transformation.m12 = 0; //-1 / 10.0; // skews left up, right down if >0
        transformation.m13 = 0; // extends sideways for a short time
        transformation.m14 = 0;// // 1 / 5000 = left side towards viewer, right side away from viewer
        // y line
        transformation.m21 = 0; //-1 / 2.0; // skews bottom left, top right if <0
        transformation.m22 = 1; // .8 - 20% less tall
        transformation.m23 = 0; // extends upward for a short time