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// Set Global Variables
let values = [];
let w = 20;
// To store the state of each bar
// in order to change the color
let states = [];
function setup() {
// Create Canvas of Size Windows
// Width * Windows Height
createCanvas(800, 400);
// Insert Random values in array
values = new Array(floor(width/w));
for(let i = 0; i < values.length; i++) {
values[i] = int(random(height));
states[i] = -1;
}
// Print Unsorted Array
print("Unsorted Array:" + values);
// Call to bubble sort function
bubbleSort(values, 0, values.length);
// Print Sorted Array
//print("Sorted Array:" + values);
}
// Definition of bubble sort
async function bubbleSort(arr, start, end) {
if(start >= end) {
return;
}
for(var i = 0; i < end-1; i++) {
for(var j = 0; j < end-i-1; j++) {
if(arr[j] >= arr[j+1]) {
states[j] = 1;
// Call to swap function
await swap(arr, j, j+1);
states[j+1] = 0;
}
states[j] = 2;
}
}
return arr;
}
// Definition of draw function
function draw() {
background(51);
for(let i = 0; i < values.length; i++) {
stroke(0);
fill(255);
if(states[i] == 0) {
fill(255, 0, 0);
}
else if (states[i] == 1) {
// Element currently sorting
fill("#58FA82");
}
else {
fill(255);
}
rect(i*w, height - values[i], w, values[i]);
}
}
// Definition of swap function
async function swap(arr, a, b) {
await sleep(20);
let t = arr[a];
arr[a] = arr[b];
arr[b] = t;
}
// Definition of sleep function
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}