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                const asset = "pattern.jpg";
const path = "";

const frame = new Frame("fit", 960, 960, "#000", "#333", asset, path);
frame.on("ready", ()=>{ // ES6 Arrow Function - similar to function(){}
    zog("ready from ZIM Frame"); // logs in console (F12 - choose console)

    // often need below - so consider it part of the template
    let stage = frame.stage;
    let stageW = frame.width;
    let stageH = frame.height;

    // REFERENCES for ZIM at
    // see for video and code tutorials
    // see for documentation
    // see for INTRO to ZIM
    // see for INTRO to CODE

    // CODE HERE
		// the backings zoom in and out according to these boundaries
		let backingScale = 1;
		const backingMin = .45;
		const backingMax = 2;
		// the rotation speeds
		const rotationAmount = .05; // holder
		const innerRotationAmount = .15; // triangles
		// the edge length of a triangle in the hexagon
		const length = 200;
		const height = length/2*Math.sqrt(3); // grade 9

    // Hexagon class made with Triangle objects
    class Hexagon extends Container {
        constructor() {
            let angle = 0;
            let lastScale = 1;
            loop(6, i=>{
                let tc = new Container().addTo(this);
                let triangle = new Triangle(length, length, length)
                    .reg(null, 0);
                lastScale *= -1; // mirror adjacent triangles
										.sca(lastScale, 1)
                tc.rotation = angle;
                angle += 60;

    // overall holder
    const holder = new Container().center();

    // container to hold image pattern so we can rotate and scale image inside
    const pattern = new Container();
		const backing = frame.asset("pattern.jpg")
        .loc(0, height/2)

    // make the hexagons with triangles that mask the backings
    const patterns = []; // this will hold all pattern containers made
    const across = Math.ceil(stageW/length);
    const down = Math.ceil(stageH/height)+7; // fudge for rotation
    loop(across, i=>{
        loop(down, j=>{
            new Hexagon().addTo(holder)
                // obviously set the loc as follows:
                .loc(i*length*3+j%2*length*1.5, j*height);
    // write this code based on numbers in your dream
    holder.reg(holder.width/2-length*1.5, holder.height/2-height*2);

    // make backgrounds zoom in and out
    // and rotate and also rotate the overall holder
    let zoom = true;
        if (zoom) {
            backingScale *= 1.002;
            if (backingScale > backingMax) {
                zoom = false;
                backingScale = backingMax;
        } else {
            backingScale *= .998;
            if (backingScale < backingMin) {
                zoom = true;
                backingScale = backingMin;
        loop(patterns, pattern=>{
            let backing = pattern.getChildAt(0).sca(backingScale);
            backing.rotation += innerRotationAmount;
        holder.rotation += rotationAmount;

}); // end of ready