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cawro.js
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(function(){
// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
//
// General Utility Functions
//
// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
function clean(text) { return (''+text).replace( /[<>]/g, '' ) }
function first_div(elm) { return elm.getElementsByTagName('div')[0] }
function zeropad(num) { return (''+num).length > 1 ? ''+num : '0'+num }
function date_out() {
var now = new Date()
, min = now.getMinutes()
, hrs = now.getHours();
return PUBNUB.supplant( '{hours}:{minutes}<sup>{pmam}</sup>', {
hours : zeropad(hrs > 12 ? (hrs - 12) || 1 : hrs || 1),
minutes : zeropad(min),
pmam : hrs > 11 ? 'pm' : 'am'
} );
}
// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
//
// Hashcash Management
//
// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
function car_encode( car_def, zeroes ) {
car_update_validator(car_def);
while (!car_validate( car_def, zeroes )) {
car_update_validator(car_def);
}
return car_def;
}
function car_update_validator(car_def) {
car_def.t = +(new Date());
car_def.validator = ''+(Math.random() * car_def.t);
}
function car_validate( car_def, zeroes ) {
return Math.abs(car_def.t - new Date()) < 30000 &&
car_hash(car_def).slice( 0, 3 ) === (zeroes||"000");
}
function car_hash(car_def) {
return SHA1(JSON.stringify(car_def));
}
// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
//
// Chat
//
// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
(function(){
var pubnub = PUBNUB.init({
subscribe_key : 'demo',
publish_key : 'demo'
});
var input = pubnub.$('chat-input')
, output = pubnub.$('chat-output')
, cname = pubnub.$('chat-name')
, channel = 'gencar-chat';
// RND Name
cname.value = PUBNUB.uuid().slice(-5);
// Send Chat Message
function send() {
if (!input.value) return;
var message = {
name : clean(cname.value),
text : clean(input.value),
time : ''
};
car_encode( message, "000" );
return pubnub.publish({
channel : channel,
message : message,
x : (input.value='')
});
}
// Append Chat Message
function chat(message) {
if (!car_validate( message, "000" )) return;
// Default Name
if (!('name' in message)) message.name = "Robert";
message.name = message.name.slice( 0, 10 );
// Clean Precaution
message.text = clean(message.text);
message.time = date_out();//clean(message.time);
message.name = clean(message.name);
// Don't Show Blank Messages
if (!message.text.replace( /\s/g, '' )) return;
// Ouptut to Screen
output.innerHTML = pubnub.supplant(
"<strong class=chat-time>{time}</strong> "+
"<strong class=chat-name>( {name} )</strong> | "+
"''{text}''<br>", message
) + output.innerHTML.slice( 0, 4000 );
}
// On Connect we can Load History
function connect() {
pubnub.history({
channel : channel,
limit : 10,
callback : function(msgs) {
if (msgs.length > 1)
pubnub.each( msgs[0], chat );
}
})
}
// Receive Chat Message
pubnub.subscribe({
channel : channel,
connect : connect,
callback : chat
});
pubnub.bind( 'keyup', input, function(e) {
(e.keyCode || e.charCode) === 13 && send();
});
})();
(function(){
/* -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
/* PUBNUB Multiplayer Physics Simulation
/* ----------------------------------------------------------------------------
/* http://www.pubnub.com/console?channel=PubNub2&pub=demo&sub=demo
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= */
var multiplayer = PUBNUB.secure({
publish_key : 'demo',
subscribe_key : 'demo',
cipher_key : 'i29ya2VkIGhhcmQgdG8gbWFrZSBzdXJlIHRoYXQgdXNpbm'
});
multiplayer.player = {};
multiplayer.player.channel = document.getElementById("newseed").value;
/* -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
/* Receive Remote Player Data
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= */
connect_world(multiplayer.player.channel);
function connect_world(world_name) {
multiplayer.unsubscribe({ channel : multiplayer.player.channel });
multiplayer.subscribe({
backfill : true,
channel : world_name,
message : function(msg) {
PUBNUB.events.fire( msg.name, msg.data );
}
});
multiplayer.player.channel = world_name;
}
/* -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
/* Send Remote Player Data
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= */
function send( name, data ) {
multiplayer.publish({
channel : multiplayer.player.channel,
message : {
name : name,
data : data
}
});
}
/* -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
/* Receive New Car Addition
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= */
var remotecarsnum = 0;
PUBNUB.events.bind( "champion", function(data) {
if (!car_validate(data)) return;
data.car_def.remoted = true;
data.car_def = cw_cleanCar(data.car_def);
cw_carScores.push(data);
PUBNUB.$("remotecarsnum").innerHTML = ++remotecarsnum;
} );
PUBNUB.init({
subscribe_key : 'sub-c-e1d3b5d4-da33-11e2-8683-02ee2ddab7fe'
}).subscribe({
channel : 'gencaradmin',
message : function(message) {
var admin = PUBNUB.$("adminmsg");
admin.innerHTML = message;
PUBNUB.css( admin, { display : 'block' } );
setTimeout( function() {
//PUBNUB.css( admin, { display : 'none' } );
}, 25000 );
}
});
/* -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
/* Simple Log Function (Because Google Chrome Debugger Crashes)
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= */
function log() {
PUBNUB.$("output").innerHTML += "<br>" + JSON.stringify(
Array.prototype.slice.call(arguments)
);
}
// Global Vars
var ghost;
var timeStep = 1.0 / 60.0;
var doDraw = true;
var cw_paused = false;
var box2dfps = 60;
var screenfps = 60;
var debugbox = document.getElementById("debug");
var canvas = document.getElementById("mainbox");
var ctx = canvas.getContext("2d");
var cameraspeed = 0.05;
var camera_y = 0;
var camera_x = 0;
var camera_target = -1; // which car should we follow? -1 = leader
var minimapcamera = document.getElementById("minimapcamera").style;
var graphcanvas = document.getElementById("graphcanvas");
var graphctx = graphcanvas.getContext("2d");
var graphheight = 200;
var graphwidth = 400;
var minimapcanvas = document.getElementById("minimap");
var minimapctx = minimapcanvas.getContext("2d");
var minimapscale = 3;
var minimapfogdistance = 0;
var fogdistance = document.getElementById("minimapfog").style;
var generationSize = 20;
var cw_remoteCars = [];
var cw_remoteCar_refs = {};
var cw_carGeneration = [];
var cw_carScores = [];
var cw_topScores = [];
var cw_graphTop = [];
var cw_graphElite = [];
var cw_graphAverage = [];
var gen_champions = 2;
var gen_parentality = 0.2;
var gen_mutation = 0.1;
var gen_counter = 0;
var nAttributes = 14; // change this when genome changes
var gravity = new b2Vec2(0.0, -9.81);
var doSleep = true;
var world;
var zoom = window.zoom = 70;
var maxFloorTiles = 200;
var cw_floorTiles = [];
var last_drawn_tile = 0;
var groundPieceWidth = 1.5;
var groundPieceHeight = 0.15;
var chassisMaxAxis = 1.1;
var chassisMinAxis = 0.1;
var wheelMaxRadius = 0.5;
var wheelMinRadius = 0.2;
var wheelMaxDensity = 100;
var wheelMinDensity = 40;
var wheelDensityRange = wheelMaxDensity + wheelMinDensity;
var velocityIndex = 0;
var deathSpeed = 0.1;
var max_car_health = box2dfps * 10;
var car_health = max_car_health;
var motorSpeed = 20;
var swapPoint1 = 0;
var swapPoint2 = 0;
var cw_ghostReplayInterval = null;
var distanceMeter = document.getElementById("distancemeter");
var leaderPosition = {};
leaderPosition.x = 0;
leaderPosition.y = 0;
minimapcamera.width = 12*minimapscale+"px";
minimapcamera.height = 6*minimapscale+"px";
function debug(str, clear) {
if(clear) {
debugbox.innerHTML = "";
}
debugbox.innerHTML += str+"<br />";
}
function showDistance(distance, height) {
distanceMeter.innerHTML = "<strong>Distance: </strong>"+distance+" Meters<br>";
distanceMeter.innerHTML += "<strong>Height: </strong>"+height+" Meters";
//minimarkerdistance.left = Math.round((distance + 5) * minimapscale) + "px";
if(distance > minimapfogdistance) {
fogdistance.width = 800 - Math.round(distance + 15) * minimapscale + "px";
minimapfogdistance = distance;
}
}
/* ========================================================================= */
/* === Car ================================================================= */
var cw_Car = function() {
this.__constructor.apply(this, arguments);
}
cw_Car.prototype.chassis = null;
cw_Car.prototype.wheel1 = null;
cw_Car.prototype.wheel2 = null;
cw_Car.prototype.__constructor = function(car_def) {
this.velocityIndex = 0;
this.health = max_car_health;
this.maxPosition = 0;
this.maxPositiony = 0;
this.minPositiony = 0;
this.frames = 0;
this.car_def = car_def
this.alive = true;
this.is_elite = car_def.is_elite;
this.healthBar = document.getElementById("health"+car_def.index).style;
this.healthBarText = document.getElementById("health"+car_def.index).nextSibling.nextSibling;
this.healthBarText.innerHTML = clean(car_def.index);
this.minimapmarker = document.getElementById("bar"+car_def.index).style;
if (this.is_elite) {
this.healthBar.backgroundColor = "#44c";
document.getElementById("bar"+car_def.index).style.borderLeft = "1px solid #44c";
document.getElementById("bar"+car_def.index).innerHTML = clean(car_def.index);
} else {
this.healthBar.backgroundColor = "#c44";
document.getElementById("bar"+car_def.index).style.borderLeft = "1px solid #c44";
document.getElementById("bar"+car_def.index).innerHTML = clean(car_def.index);
}
// Healthbar BG Color
if (car_def.uuid) {
this.healthBar.backgroundColor = "#"+car_def.uuid;
document.getElementById("health"+car_def.index).innerHTML =
clean(car_def.uuid).slice(0,6) + (car_def.remoted?" - Remote":" - Your") +
(car_def.is_elite ? " Champion" : " Car");
}
this.chassis = cw_createChassis(car_def.vertex_list);
this.wheel1 = cw_createWheel(car_def.wheel_radius1, car_def.wheel_density1);
this.wheel2 = cw_createWheel(car_def.wheel_radius2, car_def.wheel_density2);
var carmass = this.chassis.GetMass() + this.wheel1.GetMass() + this.wheel2.GetMass();
var torque1 = carmass * -gravity.y / car_def.wheel_radius1;
var torque2 = carmass * -gravity.y / car_def.wheel_radius2;
var joint_def = new b2RevoluteJointDef();
var randvertex = this.chassis.vertex_list[car_def.wheel_vertex1];
joint_def.localAnchorA.Set(randvertex.x, randvertex.y);
joint_def.localAnchorB.Set(0, 0);
joint_def.maxMotorTorque = torque1;
joint_def.motorSpeed = -motorSpeed;
joint_def.enableMotor = true;
joint_def.bodyA = this.chassis;
joint_def.bodyB = this.wheel1;
var joint = world.CreateJoint(joint_def);
randvertex = this.chassis.vertex_list[car_def.wheel_vertex2];
joint_def.localAnchorA.Set(randvertex.x, randvertex.y);
joint_def.localAnchorB.Set(0, 0);
joint_def.maxMotorTorque = torque2;
joint_def.motorSpeed = -motorSpeed;
joint_def.enableMotor = true;
joint_def.bodyA = this.chassis;
joint_def.bodyB = this.wheel2;
var joint = world.CreateJoint(joint_def);
this.replay = ghost_create_replay();
ghost_add_replay_frame(this.replay, this);
}
cw_Car.prototype.getPosition = function() {
return this.chassis.GetPosition();
}
cw_Car.prototype.draw = function() {
drawObject(this.chassis);
drawObject(this.wheel1);
drawObject(this.wheel2);
}
cw_Car.prototype.kill = function() {
var avgspeed = (this.maxPosition / this.frames) * box2dfps;
var position = this.maxPosition;
var score = position + avgspeed;
ghost_compare_to_replay(this.replay, ghost, score);
cw_carScores.push({ car_def:this.car_def, v:score, s: avgspeed, x:position, y:this.maxPositiony, y2:this.minPositiony });
world.DestroyBody(this.chassis);
world.DestroyBody(this.wheel1);
world.DestroyBody(this.wheel2);
this.alive = false;
}
cw_Car.prototype.checkDeath = function() {
// check health
var position = this.getPosition();
if(position.y > this.maxPositiony) {
this.maxPositiony = position.y;
}
if(position .y < this.minPositiony) {
this.minPositiony = position.y;
}
if(position.x > this.maxPosition + 0.02) {
this.health = max_car_health;
this.maxPosition = position.x;
} else {
if(position.x > this.maxPosition) {
this.maxPosition = position.x;
}
if(Math.abs(this.chassis.GetLinearVelocity().x) < 0.001) {
this.health -= 5;
}
this.health--;
if(this.health <= 0) {
this.healthBarText.innerHTML = "☠";
this.healthBar.width = "0";
return true;
}
}
}
function cw_createChassisPart(body, vertex1, vertex2) {
var vertex_list = [];
vertex_list.push(vertex1);
vertex_list.push(vertex2);
vertex_list.push(b2Vec2.Make(0,0));
var fix_def = new b2FixtureDef();
fix_def.shape = new b2PolygonShape();
fix_def.density = 80;
fix_def.friction = 10;
fix_def.restitution = 0.2;
fix_def.filter.groupIndex = -1;
fix_def.shape.SetAsArray(vertex_list,3);
body.CreateFixture(fix_def);
}
function cw_createChassis(vertex_list) {
var body_def = new b2BodyDef();
body_def.type = b2Body.b2_dynamicBody;
body_def.position.Set(0.0, 4.0);
var body = world.CreateBody(body_def);
cw_createChassisPart(body, vertex_list[0],vertex_list[1]);
cw_createChassisPart(body, vertex_list[1],vertex_list[2]);
cw_createChassisPart(body, vertex_list[2],vertex_list[3]);
cw_createChassisPart(body, vertex_list[3],vertex_list[4]);
cw_createChassisPart(body, vertex_list[4],vertex_list[5]);
cw_createChassisPart(body, vertex_list[5],vertex_list[6]);
cw_createChassisPart(body, vertex_list[6],vertex_list[7]);
cw_createChassisPart(body, vertex_list[7],vertex_list[0]);
body.vertex_list = vertex_list;
return body;
}
function cw_createWheel(radius, density) {
var body_def = new b2BodyDef();
body_def.type = b2Body.b2_dynamicBody;
body_def.position.Set(0, 0);
var body = world.CreateBody(body_def);
var fix_def = new b2FixtureDef();
fix_def.shape = new b2CircleShape(radius);
fix_def.density = density;
fix_def.friction = 1;
fix_def.restitution = 0.2;
fix_def.filter.groupIndex = -1;
body.CreateFixture(fix_def);
return body;
}
function cw_cleanCar(car_def) {
if (car_def.wheel_radius1 > wheelMaxRadius)
car_def.wheel_radius1 = wheelMaxRadius;
if (car_def.wheel_radius1 < wheelMinRadius)
car_def.wheel_radius1 = wheelMinRadius;
if (car_def.wheel_radius2 > wheelMaxRadius)
car_def.wheel_radius2 = wheelMaxRadius;
if (car_def.wheel_radius2 < wheelMinRadius)
car_def.wheel_radius2 = wheelMinRadius;
if (car_def.wheel_density1 > wheelMaxDensity)
car_def.wheel_density1 = wheelMaxDensity;
if (car_def.wheel_density1 < wheelMinDensity)
car_def.wheel_density1 = wheelMinDensity;
if (car_def.wheel_density2 > wheelMaxDensity)
car_def.wheel_density2 = wheelMaxDensity;
if (car_def.wheel_density2 < wheelMinDensity)
car_def.wheel_density2 = wheelMinDensity;
car_def.wheel_vertex1 = Math.round(car_def.wheel_vertex1) % 8;
car_def.wheel_vertex2 = Math.round(car_def.wheel_vertex2) % 8;
return car_def;
}
function cw_createRandomCar(i) {
var car_def = {};
car_def.wheel_radius1 = sharernd()*wheelMaxRadius+wheelMinRadius;
car_def.wheel_radius2 = sharernd()*wheelMaxRadius+wheelMinRadius;
car_def.wheel_density1 = sharernd()*wheelMaxDensity+wheelMinDensity;
car_def.wheel_density2 = sharernd()*wheelMaxDensity+wheelMinDensity;
car_def.vertex_list = [];
car_def.vertex_list.push(new b2Vec2(sharernd()*chassisMaxAxis + chassisMinAxis,0));
car_def.vertex_list.push(new b2Vec2(sharernd()*chassisMaxAxis + chassisMinAxis,sharernd()*chassisMaxAxis + chassisMinAxis));
car_def.vertex_list.push(new b2Vec2(0,sharernd()*chassisMaxAxis + chassisMinAxis));
car_def.vertex_list.push(new b2Vec2(-sharernd()*chassisMaxAxis - chassisMinAxis,sharernd()*chassisMaxAxis + chassisMinAxis));
car_def.vertex_list.push(new b2Vec2(-sharernd()*chassisMaxAxis - chassisMinAxis,0));
car_def.vertex_list.push(new b2Vec2(-sharernd()*chassisMaxAxis - chassisMinAxis,-sharernd()*chassisMaxAxis - chassisMinAxis));
car_def.vertex_list.push(new b2Vec2(0,-sharernd()*chassisMaxAxis - chassisMinAxis));
car_def.vertex_list.push(new b2Vec2(sharernd()*chassisMaxAxis + chassisMinAxis,-sharernd()*chassisMaxAxis - chassisMinAxis));
car_def.wheel_vertex1 = Math.floor(sharernd()*8) % 8;
car_def.wheel_vertex2 = Math.floor(sharernd()*8) % 8;
car_def.uuid = PUBNUB.uuid().slice(-6);
return car_def;
}
/* -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Shared Random Function Which is Transmitted via PubNub
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= */
function sharernd_capture() {
}
function sharernd() {
var rnd = Math.random();
return rnd;
}
function sharernd_send() {
}
/* === END Car ============================================================= */
/* ========================================================================= */
/* ========================================================================= */
/* ==== Floor ============================================================== */
function cw_createFloor() {
var last_tile = null;
var tile_position = new b2Vec2(-5,0);
cw_floorTiles = [];
Math.seedrandom(floorseed);
for(var k = 0; k < maxFloorTiles; k++) {
last_tile = cw_createFloorTile(tile_position, (Math.random()*3 - 1.5) * 1.5*k/maxFloorTiles);
cw_floorTiles.push(last_tile);
last_fixture = last_tile.GetFixtureList();
last_world_coords = last_tile.GetWorldPoint(last_fixture.GetShape().m_vertices[3]);
tile_position = last_world_coords;
}
}
function cw_createFloorTile(position, angle) {
body_def = new b2BodyDef();
body_def.position.Set(position.x, position.y);
var body = world.CreateBody(body_def);
fix_def = new b2FixtureDef();
fix_def.shape = new b2PolygonShape();
fix_def.friction = 0.5;
var coords = [];
coords.push(new b2Vec2(0,0));
coords.push(new b2Vec2(0,-groundPieceHeight));
coords.push(new b2Vec2(groundPieceWidth,-groundPieceHeight));
coords.push(new b2Vec2(groundPieceWidth,0));
var center = new b2Vec2(0,0);
var newcoords = cw_rotateFloorTile(coords, center, angle);
fix_def.shape.SetAsArray(newcoords);
body.CreateFixture(fix_def);
return body;
}
function cw_rotateFloorTile(coords, center, angle) {
var newcoords = [];
for (var k = 0; k < coords.length; k++) {
nc = {};
nc.x = Math.cos(angle)*(coords[k].x - center.x) - Math.sin(angle)*(coords[k].y - center.y) + center.x;
nc.y = Math.sin(angle)*(coords[k].x - center.x) + Math.cos(angle)*(coords[k].y - center.y) + center.y;
newcoords.push(nc);
}
return newcoords;
}
/* ==== END Floor ========================================================== */
/* ========================================================================= */
/* ========================================================================= */
/* ==== Generation ========================================================= */
function cw_generationZero() {
// YOUR CAR
var car_def = cw_createRandomCar(0);
car_def.index = 0;
cw_carGeneration.push(car_def);
// COMPETITOR CARS
for (var k = 1; k < generationSize; k++) {
var car_def = cw_createRandomCar();
car_def.index = k;
cw_carGeneration.push(car_def);
}
gen_counter = 0;
cw_deadCars = 0;
leaderPosition = {};
leaderPosition.x = 0;
leaderPosition.y = 0;
cw_materializeGeneration();
document.getElementById("generation").innerHTML =
"<strong>Generations: </strong>0";
document.getElementById("population").innerHTML =
"<strong>Cars Alive: </strong>"+generationSize;
ghost = ghost_create_ghost();
}
function cw_materializeGeneration() {
cw_carArray = [];
for(var k = 0; k < generationSize; k++) {
cw_carArray.push(new cw_Car(cw_carGeneration[k]));
}
}
function cw_nextGeneration() {
var newGeneration = [];
var newborn;
cw_getChampions();
cw_topScores.push({i:gen_counter,v:cw_carScores[0].v,x:cw_carScores[0].x,y:cw_carScores[0].y,y2:cw_carScores[0].y2});
plot_graphs();
for(var k = 0; k < gen_champions; k++) {
cw_carScores[k].car_def.is_elite = true;
cw_carScores[k].car_def.index = k;
// Only transmit #1 Top
if (!k) {
car_encode(cw_carScores[k]);
send( "champion", cw_carScores[k] );
}
newGeneration.push(cw_cleanCar(cw_carScores[k].car_def));
}
for (k = gen_champions; k < generationSize; k++) {
var parent1 = cw_getParents();
var parent2 = parent1;
while(parent2 == parent1) {
parent2 = cw_getParents();
}
newborn = cw_makeChild(cw_carGeneration[parent1],cw_carGeneration[parent2]);
newborn = cw_mutate(newborn);
newborn.is_elite = false;
newborn.uuid = cw_carGeneration[parent1].uuid.slice(-3) + PUBNUB.uuid().slice(-3);
newborn.index = k;
newGeneration.push(newborn);
}
cw_carScores = [];
cw_carGeneration = newGeneration;
gen_counter++;
cw_materializeGeneration();
cw_deadCars = 0;
leaderPosition = {};
leaderPosition.x = 0;
leaderPosition.y = 0;
document.getElementById("generation").innerHTML =
"<strong>Generations: </strong>"+gen_counter;
document.getElementById("cars").innerHTML = "";
document.getElementById("population").innerHTML =
"<strong>Cars Alive: <strong>"+generationSize;
}
function cw_getChampions() {
var ret = [];
cw_carScores.sort(function(a,b) {if(a.v > b.v) {return -1} else {return 1}});
for(var k = 0; k < generationSize; k++) {
ret.push(cw_carScores[k].i);
}
return ret;
}
function cw_getParents() {
var parentIndex = -1;
for(var k = 0; k < generationSize; k++) {
if(Math.random() <= gen_parentality) {
parentIndex = k;
break;
}
}
if(parentIndex == -1) {
parentIndex = Math.round(Math.random()*(generationSize-1));
}
return parentIndex;
}
function cw_makeChild(car_def1, car_def2) {
var newCarDef = {};
swapPoint1 = Math.round(Math.random()*(nAttributes-1));
swapPoint2 = swapPoint1;
while(swapPoint2 == swapPoint1) {
swapPoint2 = Math.round(Math.random()*(nAttributes-1));
}
var parents = [car_def1, car_def2];
var curparent = 0;
curparent = cw_chooseParent(curparent,0);
newCarDef.wheel_radius1 = parents[curparent].wheel_radius1;
curparent = cw_chooseParent(curparent,1);
newCarDef.wheel_radius2 = parents[curparent].wheel_radius2;
curparent = cw_chooseParent(curparent,2);
newCarDef.wheel_vertex1 = parents[curparent].wheel_vertex1;
curparent = cw_chooseParent(curparent,3);
newCarDef.wheel_vertex2 = parents[curparent].wheel_vertex2;
newCarDef.vertex_list = [];
curparent = cw_chooseParent(curparent,4);
newCarDef.vertex_list[0] = parents[curparent].vertex_list[0];
curparent = cw_chooseParent(curparent,5);
newCarDef.vertex_list[1] = parents[curparent].vertex_list[1];
curparent = cw_chooseParent(curparent,6);
newCarDef.vertex_list[2] = parents[curparent].vertex_list[2];
curparent = cw_chooseParent(curparent,7);
newCarDef.vertex_list[3] = parents[curparent].vertex_list[3];
curparent = cw_chooseParent(curparent,8);
newCarDef.vertex_list[4] = parents[curparent].vertex_list[4];
curparent = cw_chooseParent(curparent,9);
newCarDef.vertex_list[5] = parents[curparent].vertex_list[5];
curparent = cw_chooseParent(curparent,10);
newCarDef.vertex_list[6] = parents[curparent].vertex_list[6];
curparent = cw_chooseParent(curparent,11);
newCarDef.vertex_list[7] = parents[curparent].vertex_list[7];
curparent = cw_chooseParent(curparent,12);
newCarDef.wheel_density1 = parents[curparent].wheel_density1;
curparent = cw_chooseParent(curparent,13);
newCarDef.wheel_density2 = parents[curparent].wheel_density2;
return newCarDef;
}
function cw_mutate(car_def) {
if(Math.random() < gen_mutation)
car_def.wheel_radius1 = Math.random()*wheelMaxRadius+wheelMinRadius;
if(Math.random() < gen_mutation)
car_def.wheel_radius2 = Math.random()*wheelMaxRadius+wheelMinRadius;
if(Math.random() < gen_mutation)
car_def.wheel_vertex1 = Math.floor(Math.random()*8)%8;
if(Math.random() < gen_mutation)
car_def.wheel_vertex2 = Math.floor(Math.random()*8)%8;
if(Math.random() < gen_mutation)
car_def.wheel_density1 = Math.random()*wheelMaxDensity+wheelMinDensity;
if(Math.random() < gen_mutation)
car_def.wheel_density2 = Math.random()*wheelMaxDensity+wheelMinDensity;
if(Math.random() < gen_mutation)
car_def.vertex_list.splice(0,1,new b2Vec2(Math.random()*chassisMaxAxis + chassisMinAxis,0));
if(Math.random() < gen_mutation)
car_def.vertex_list.splice(1,1,new b2Vec2(Math.random()*chassisMaxAxis + chassisMinAxis,Math.random()*chassisMaxAxis + chassisMinAxis));
if(Math.random() < gen_mutation)
car_def.vertex_list.splice(2,1,new b2Vec2(0,Math.random()*chassisMaxAxis + chassisMinAxis));
if(Math.random() < gen_mutation)
car_def.vertex_list.splice(3,1,new b2Vec2(-Math.random()*chassisMaxAxis - chassisMinAxis,Math.random()*chassisMaxAxis + chassisMinAxis));
if(Math.random() < gen_mutation)
car_def.vertex_list.splice(4,1,new b2Vec2(-Math.random()*chassisMaxAxis - chassisMinAxis,0));
if(Math.random() < gen_mutation)
car_def.vertex_list.splice(5,1,new b2Vec2(-Math.random()*chassisMaxAxis - chassisMinAxis,-Math.random()*chassisMaxAxis - chassisMinAxis));
if(Math.random() < gen_mutation)
car_def.vertex_list.splice(6,1,new b2Vec2(0,-Math.random()*chassisMaxAxis - chassisMinAxis));
if(Math.random() < gen_mutation)
car_def.vertex_list.splice(7,1,new b2Vec2(Math.random()*chassisMaxAxis + chassisMinAxis,-Math.random()*chassisMaxAxis - chassisMinAxis));
return car_def;
}
function cw_chooseParent(curparent, attributeIndex) {
var ret;
if((swapPoint1 == attributeIndex) || (swapPoint2 == attributeIndex)) {
if(curparent == 1) {
ret = 0;
} else {
ret = 1;
}
} else {
ret = curparent;
}
return ret;
}
window.cw_setMutation = cw_setMutation;
function cw_setMutation(mutation) {
gen_mutation = +mutation;
}
window.cw_setEliteSize = cw_setEliteSize;
function cw_setEliteSize(clones) {
gen_champions = +clones;
}
/* ==== END Genration ====================================================== */
/* ========================================================================= */
/* ========================================================================= */
/* ==== Drawing ============================================================ */
function cw_drawScreen() {
ctx.clearRect(0,0,canvas.width,canvas.height);
ctx.save();
cw_setCameraPosition();
ctx.translate(200-(camera_x*zoom), 200+(camera_y*zoom));
ctx.scale(zoom, -zoom);
cw_drawFloor();
ghost_draw_frame(ctx, ghost);
cw_drawCars();
ctx.restore();
}
function cw_minimapCamera(x, y) {
minimapcamera.left = Math.round((2+camera_x) * minimapscale) + "px";
minimapcamera.top = Math.round((31-camera_y) * minimapscale) + "px";
}
window.cw_setCameraTarget = cw_setCameraTarget;
function cw_setCameraTarget(k) {
camera_target = k;
}
function cw_setCameraPosition() {
if(camera_target >= 0) {
var cameraTargetPosition = cw_carArray[camera_target].getPosition();
} else {
var cameraTargetPosition = leaderPosition;
}
var diff_y = camera_y - cameraTargetPosition.y;
var diff_x = camera_x - cameraTargetPosition.x;
camera_y -= cameraspeed * diff_y;
camera_x -= cameraspeed * diff_x;
cw_minimapCamera(camera_x, camera_y);
}
function cw_drawGhostReplay() {
carPosition = ghost_get_position(ghost);
camera_x = carPosition.x;
camera_y = carPosition.y;
cw_minimapCamera(camera_x, camera_y);
showDistance(Math.round(carPosition.x*100)/100, Math.round(carPosition.y*100)/100);
ctx.clearRect(0,0,canvas.width,canvas.height);
ctx.save();
ctx.translate(200-(carPosition.x*zoom), 200+(carPosition.y*zoom));
ctx.scale(zoom, -zoom);
ghost_draw_frame(ctx, ghost);
ghost_move_frame(ghost);
cw_drawFloor();
ctx.restore();
}
function cw_drawFloor() {
ctx.strokeStyle = "#000";
ctx.fillStyle = "#777";
ctx.lineWidth = 1/zoom;
ctx.beginPath();
outer_loop:
for(var k = Math.max(0,last_drawn_tile-20); k < cw_floorTiles.length; k++) {
var b = cw_floorTiles[k];
for (f = b.GetFixtureList(); f; f = f.m_next) {
var s = f.GetShape();
var shapePosition = b.GetWorldPoint(s.m_vertices[0]).x;
if((shapePosition > (camera_x - 5)) && (shapePosition < (camera_x + 10))) {
cw_drawVirtualPoly(b, s.m_vertices, s.m_vertexCount);
}
if(shapePosition > camera_x + 10) {
last_drawn_tile = k;
break outer_loop;
}
}
}
ctx.fill();
ctx.stroke();
}
function cw_drawCars() {
for(var k = (cw_carArray.length-1); k >= 0; k--) {
myCar = cw_carArray[k];
if(!myCar.alive) {
continue;
}
myCarPos = myCar.getPosition();
if(myCarPos.x < (camera_x - 5)) {
// too far behind, don't draw
continue;
}
ctx.strokeStyle = "#444";
ctx.lineWidth = 1/zoom;
b = myCar.wheel1;
for (f = b.GetFixtureList(); f; f = f.m_next) {
var s = f.GetShape();
var color = Math.round(255 - (255 * (f.m_density - wheelMinDensity)) / wheelMaxDensity).toString();
var rgbcolor = "rgb("+color+","+color+","+color+")";
cw_drawCircle(b, s.m_p, s.m_radius, b.m_sweep.a, rgbcolor);
}
b = myCar.wheel2;
for (f = b.GetFixtureList(); f; f = f.m_next) {
var s = f.GetShape();
var color = Math.round(255 - (255 * (f.m_density - wheelMinDensity)) / wheelMaxDensity).toString();
var rgbcolor = "rgb("+color+","+color+","+color+")";
cw_drawCircle(b, s.m_p, s.m_radius, b.m_sweep.a, rgbcolor);
}
if(myCar.is_elite) {
ctx.strokeStyle = "#44c";
ctx.fillStyle = "#ddf";
} else {
ctx.strokeStyle = "#c44";
ctx.fillStyle = "#fdd";
}
var uuid = myCar.car_def.uuid;
if (uuid) {
ctx.strokeStyle = "#eeeee2";
ctx.fillStyle = "#"+uuid;
}
ctx.beginPath();
var b = myCar.chassis;
for (f = b.GetFixtureList(); f; f = f.m_next) {
var s = f.GetShape();
cw_drawVirtualPoly(b, s.m_vertices, s.m_vertexCount);
}
ctx.fill();
ctx.stroke();
}
}
window.toggleDisplay = toggleDisplay;
function toggleDisplay() {
if(cw_paused) {
return;
}
canvas.width = canvas.width;
if(doDraw) {
doDraw = false;
cw_stopSimulation();
cw_runningInterval = setInterval(simulationStep, 1); // simulate 1000x per second when not drawing
} else {
doDraw = true;
clearInterval(cw_runningInterval);
cw_startSimulation();