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Gen8.Genetic.js
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Gen8.Genetic.js
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// 'Evolves'
// Stores it's settings as an array of numbers
var params = [[50,90,5,500,200,200,100]];
var my_xm = 0;
var my_ym = 0;
var scores = {};
var target_food_id = 0;
var current_snake_id = 0;
var high_score = 0;
var best_params = [];
document.getElementById('nick').value = 'Skynet';
var bot_debug = document.createElement("div");
bot_debug.setAttribute('id','botDebug');
var p = document.createElement('p');
p.setAttribute('id','botDebugOutput');
bot_debug.appendChild(p);
document.getElementsByTagName('body')[0].appendChild(bot_debug);
document.getElementById('botDebug').innerHTML = document.getElementById('botDebug').innerHTML +
'<style>#botDebug{position: fixed; left: 8px; top: 10px; width: 300px; height: 100px; color: rgb(255, 255, 255); font-family: Arial, "Helvetica Neue", Helvetica, sans-serif; font-size: 12px; overflow: hidden; opacity: 1; z-index: 7; display: inline; cursor: default; line-height: 150%; transform: translateZ(0px);}</style>'+
'<input type=checkbox id="botMode" checked=checked>';
var tick_speed = params[params.length-1][0];
// How often to turn when in rolly polly mode
var rollyPollySpeed = params[params.length-1][5];
setInterval(function() {
if (snake && snake.id != current_snake_id) {
current_snake_id = snake.id;
apply_mutation();
}
// How often to trigger a rethink
var tick_speed = params[params.length-1][0];
// What angle of things in 'front' of the snake is visible
var vision_angle = params[params.length-1][1];
// How many pieces of food need to be in a map segment to be targeted for 'munching'
var cluster_threshold = params[params.length-1][2];
// Distance to keep between self and other snakes
var avoid_buffer = params[params.length-1][3];
// Distance to start running from other snakes if they get too close
var run_buffer = params[params.length-1][4];
// How much to reduce the resolution of the map when looking for clusters
var cluster_map_resolution = params[params.length-1][6];
var closest_snake_point = null;
var closest_snake = null;
var closest_distance = 5000;
var action = "NONE";
var action_color = "#000";
var my_angle = get_angle(0,0,xm,ym);
for (var ii = 0;ii<snakes.length;ii++) {
var target_snake = snakes[ii];
// Don't run from ourself
if (target_snake.id != snake.id) {
// Color the snake red
target_snake.cv = 2;
for (var aaa = 0;aaa<target_snake.pts.length;aaa++) {
var target_point = target_snake.pts[aaa];
var distance_x = Math.round(target_point.xx - snake.xx);
var distance_y = Math.round(target_point.yy - snake.yy);
var distance = Math.abs(distance_x)+Math.abs(distance_y);
if (distance < closest_distance) {
closest_distance = distance;
closest_snake_point = target_point;
closest_snake = target_snake;
}
}
}
}
var closest_food = null;
var closest_food_distance = 5000;
var map_segments = new Array();
for (var ii = 0;ii<foods.length;ii++) {
var food = foods[ii];
if (food) {
var distance_x = Math.round(food.xx - snake.xx);
var distance_y = Math.round(food.yy - snake.yy);
var distance = Math.abs(distance_x)+Math.abs(distance_y);
var angle = get_angle(snake.xx,snake.yy,food.xx,food.yy);
if (angle <= my_angle+vision_angle/2 && angle >= my_angle-vision_angle/2) {
food.fi = per_color_imgs[2].pr_imgs[10];
if (distance < closest_distance) {
closest_food_distance = distance;
closest_food = food;
}
} else {
food.fi = per_color_imgs[2].pr_imgs[2];
}
var x = Math.round(food.xx/cluster_map_resolution);
var y = Math.round(food.yy/cluster_map_resolution);
if (map_segments[x] == undefined) {
map_segments[x] = new Array();
}
if (map_segments[x][y] == undefined) {
map_segments[x][y] = 0;
} else {
map_segments[x][y]++;
}
}
}
if (document.getElementById('botMode').checked) {
if (closest_distance < avoid_buffer) {
// Run from the snake
action = "AVOIDING";
action_color = "#ff0000";
closest_snake.cv = 7;
set_direction(Math.round(closest_snake_point.xx - snake.xx)*-1,Math.round(closest_snake_point.yy - snake.yy)*-1);
} else {
if (closest_food) {
action = "EATING";
action_color = "#24C342"
set_direction(Math.round(closest_food.xx - snake.xx),Math.round(closest_food.yy - snake.yy));
}
var closest_cluster_distance = 0;
var closest_cluster = {};
// Search for clusters of food
for (var ii = 0; ii<map_segments.length; ii++) {
var column = map_segments[ii];
if (column) {
for (var aa=0; aa<column.length; aa++) {
var row = column[aa];
if (row > cluster_threshold) {
var distance = Math.abs((ii*cluster_map_resolution) - snake.xx) + Math.abs((aa*cluster_map_resolution) - snake.yy);
if (distance > closest_cluster_distance) {
closest_cluster_distance = distance;
closest_cluster.x = ii*cluster_map_resolution;
closest_cluster.y = aa*cluster_map_resolution;
}
}
}
}
}
if (closest_cluster_distance > 10) {
action = "MUNCHING";
action_color = "#2486C3";
set_direction(closest_cluster.x - snake.xx, closest_cluster.y - snake.yy);
var food = foods[0];
food.fi = per_color_imgs[5].pr_imgs[4];
food.xx=closest_cluster.x;
food.yy=closest_cluster.y;
food.id=6666666;
foods.push(food);
}
}
// Head for the middle of the map by default
if (action == "NONE") {
if (snake) {
set_direction(18246 - snake.xx, 23676 - snake.yy);
}
}
}
document.getElementById('botDebugOutput').innerHTML = action+
'<br /> High Score: '+high_score+
'<br />'+JSON.stringify(params[0])+
'';
document.getElementById('botDebug').style.backgroundColor = action_color;
update_high_scores();
},tick_speed);
setInterval(function () {
// Respawn on death
want_play || play_btn.disabled || (want_play = !0, play_btn_click_mtm = Date.now(), play_btn.setEnabled(!1), spinner_shown = nick.disabled = !0, ldmc.style.display = "inline", play_count++, 3 <= play_count && !is_mobile && adsController && (shoa = !0, adsController.initialize(), adsController.requestAds("https://pubads.g.doubleclick.net/gampad/ads?sz=640x480&iu=/136317422/slither-io-game-over&impl=s&gdfp_req=1&env=vp&output=vast&unviewed_position_start=1&url=[referrer_url]&description_url=http%3A%2F%2Fslither.io&correlator=[timestamp]")))
},5000);
function update_high_scores() {
if (!snake) {
return false;
}
var score = Math.floor(15 * (fpsls[snake.sct] + snake.fam / fmlts[snake.sct] - 1) - 5) / 1;
if (score > high_score) {
high_score = score;
best_params = params[params.length-2];
}
if (!scores[snake.id] || score > scores[snake.id]) {
scores[snake.id] = score;
}
}
function set_direction(my_xm,my_ym) {
xm = my_xm;
ym = my_ym;
}
function get_angle(cx, cy, ex, ey) {
var dy = ey - cy;
var dx = ex - cx;
var theta = Math.atan2(dy, dx);
theta *= 180 / Math.PI; // rads to degs, range (-180, 180]
if (theta < 0) {
theta = (theta * -1) + 180; // Turn into 0-360
}
return theta;
}
var rollyPollyMode = false;
function se() {
set_direction(100,100);
}
function sw() {
set_direction(-100,100);
}
function nw() {
set_direction(-100,-100);
}
function ne() {
set_direction(100,-100);
}
se();
setInterval(function(){
if (rollyPollyMode) {
se();
}
},rollyPollySpeed);
setTimeout(function () {
sw();
setInterval(function(){
if (rollyPollyMode) {
sw();
}
},rollyPollySpeed);
},rollyPollySpeed*.25);
setTimeout(function () {
nw();
setInterval(function(){
if (rollyPollyMode) {
nw();
}
},rollyPollySpeed);
},rollyPollySpeed*.5);
setTimeout(function () {
ne();
setInterval(function(){
if (rollyPollyMode) {
ne();
}
},rollyPollySpeed);
},rollyPollySpeed*.75);
function apply_mutation() {
var new_params = params[params.length-1];
for (var ii = 0; ii < new_params.length; ii++) {
// Apply a random percentage change, capped at 25% change of any one attribute at one time.
if (Math.random() > .5) {
new_params[ii] = Math.round((new_params[ii] + (new_params[ii] * Math.random()) * .25)*10)/10;
} else {
new_params[ii] = Math.round((new_params[ii] - (new_params[ii] * Math.random()) * .25)*10)/10;
}
}
params.push(new_params);
}