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                const frame = new Frame("fit", 1024, 768, "lightblue", "#333");
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
		let physics = new Physics();
		new Triangle(120,700,-1,green)
				.reg(70,350) // let the apple roll a bit on the grass
				.pos(0,0,null,true) // bottom left corner
				.addPhysics(false); // static	- won't move but things hit it	
		const trunk = new Rectangle(70,300,brown)
				.centerReg() // all physics items should be centerReg()
				.loc(125, 540) // used .place() to locate
				.addPhysics(false); // static
		new Circle(70/2,brown).sca(1,.3).centerReg(trunk).mov(0,150)
		new Circle(300, green)
				.loc(123, 136)
				.addPhysics(false, 80); // static and contract physics circle
		const apple = new Circle(30, red)
				.loc(250,200,stage,1) // above grass below tree
				.addPhysics(); // default dynamic - can move	
		new Rectangle(4,8,dark).center(apple).pos(null,-4); // stem
		physics.drag(); // static will not drag
		// frame.on("resize", ()=>{
		// 	physics.debug();
		// });

    stage.update(); // this is needed to show any changes
    // FOOTER
    // call remote script to make ZIM Foundation for Creative Coding icon

}); // end of ready