// 

// Jared Donovan 2022

//

// Shows how to trigger an event with a user input. 

// 

​

let seaLevel = 0;

let doSeaLevel = false;

let btnTriggerSeaRise;

​

function setup() {

  createCanvas(400, 400);

  btnTriggerSeaRise = createButton("Sea Rise");

  btnTriggerSeaRise.mousePressed(triggerSeaRise);

}

​

function draw() {

  background(220);

  if (doSeaLevel){

    seaRise();    

  }

  rect(0, height - seaLevel, width, seaLevel);

}

​

function triggerSeaRise(){

  doSeaLevel = true;

}

​

function seaRise(){

  seaLevel += 0.1;

}