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sketch.js
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sketch.js
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// Daniel Shiffman
// http://codingtra.in
// http://patreon.com/codingtrain
// Neuro-Evolution Flappy Bird
// Part 1: https://youtu.be/c6y21FkaUqw
// Part 2: https://youtu.be/tRA6tqgJBc
// Part 3: https://youtu.be/3lvj9jvERvs
// Part 4: https://youtu.be/HrvNpbnjEG8
// Part 5: https://youtu.be/U9wiMM3BqLU
const TOTAL = 100;
var numAreas = 25;
var numGens = 100;
var xw = 10;
var yw = 10;
var birds = [];
var counter = 0;
var slider;
var species_slider;
var allAreas = [];
var nextAllAreas = [];
var allAreas0 = [];
var scl = 15;
var losses = [];
var highScore;
var generation = 0;
function keyPressed() {
/*
if (key === 'S') {
var bird = birds[0];
saveJSON(bird.brain, 'bird.json');
}
*/
}
function setup() {
slider = createSlider(1, 10, 1);
species_slider = createSlider(0, TOTAL-1, 1);
/*
//Example of what a game area looks like
//each pixel is a cell represented by a value and a type
var gameArea0 = [[[0,0],[0,0],[0,0],[0,0],[0,0],[0,0],[0,0]],
[[0,0], [0,2],[0,0],[0,0],[0,0],[0,2], [0,0]],
[[0,0], [0,0],[0,0],[0,1],[0,0],[0,0], [0,0]],
[[0,0], [0,2],[0,0],[0,2],[0,0],[0,2], [0,0]],
[[0,0], [0,0],[1,0],[0,1],[0,0],[0,0], [0,0]],
[[0,0], [0,2],[0,0],[0,0],[0,0],[0,2], [0,0]],
[[0,0],[0,0],[0,0],[0,0],[0,0],[0,0],[0,0]]];
*/
genMaps();
createCanvas(scl*500, 5*scl*20);
pixelDensity(1);
for (var i = 0; i < TOTAL; i++) {
birds[i] = new Bird();
losses.push([]);
birds[i].scores = [];
for(var j = 0; j < allAreas.length; j++)
{
losses.push(false);
birds[i].scores.push(0.0);
}
}
}
function genMaps()
{
for(var g = 0; g < numAreas; g++)
{
var gameArea0 = []
var gameAreas = []
for(var x = 0; x < xw; x++)
{
gameArea0.push([]);
for(var y = 0; y < yw; y++)
{
var r = random();
var d = sqrt(x*x + y*y);
if(r < 0.35 && d > 3)
{
gameArea0[x].push([0, 1]);
}
else if(r < 0.1 && d > 3)
{
gameArea0[x].push([0,2]);
}
else
{
gameArea0[x].push([0,0]);
}
}
}
gameArea0[1][1] = [0.2,0];
gameArea0[2][2] = [0.3,0];
for (var i = 0; i < TOTAL; i++) {
gameAreas.push(gameArea0);
}
allAreas.push(_.cloneDeep(gameAreas));
}
//allAreas0 = _.cloneDeep(allAreas);
nextAllAreas = _.cloneDeep(allAreas);
}
function draw() {
highScore = 0;
var highScoreIndex = 0;
for (let n = 0; n < slider.value(); n++) {
counter++;
for (let i = 0; i < birds.length; i++) {
var score = 0;
for(var j = 0; j < allAreas.length; j++)
{
if(!losses[i][j]) {
losses[i][j] = birds[i].think(nextAllAreas[j][i],allAreas[j][i],j);
allAreas[j][i] = _.cloneDeep(nextAllAreas[j][i]);
}
score += birds[i].scores[j];
}
birds[i].score = score;
if(score > highScore)
{
highScore = score;
highScoreIndex = i;
}
}
if (counter === 20) {
//allAreas = allAreas0;
generation++;
console.log("gen: ",generation);
if(generation < numGens)
{
counter = 0;
console.log("highscore: ",highScore);
allAreas = [];
genMaps();
nextGeneration();
}
if(generation === numGens)
{
birds = [birds[highScoreIndex]];
numAreas = 1;
xw = 100;
yw = 100;
genMaps();
}
}
}
show(highScoreIndex);
//show(species_slider.value());
//print(frameCount)
}
function show(i)
{
resetMatrix();
scale(scl);
background(0);
//text(highScore, 10, 10, 70, 80);
var yx = 0;
for(var a = 0; a < allAreas.length; a++)
{
translate((generation < numGens)*500/(2*scl),0);
for(var x = 0; x < allAreas[a][i].length; x++)
{
for(var y = 0; y < allAreas[a][i][x].length; y++)
{
if(allAreas[a][i][x][y][1] == 0){
stroke(255*allAreas[a][i][x][y][0]);
}
else if(allAreas[a][i][x][y][1] == 1)
{
stroke(255,0,0);
}
else
{
stroke(40,255,40);
}
rect(x,y,1,1);
}
}
if((a+1)%5 == 0 && (generation < numGens))
{
resetMatrix();
scale(scl);
translate(0,yx*500/(2*scl));
yx++;
}
}
}
// function keyPressed() {
// if (key == ' ') {
// bird.up();
// //console.log("SPACE");
// }
// }