-
Notifications
You must be signed in to change notification settings - Fork 0
/
main.js
181 lines (135 loc) · 4.61 KB
/
main.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
const carCanvas = document.querySelector('#carCanvas')
carCanvas.width = 200
const networkCanvas = document.querySelector('#networkCanvas')
networkCanvas.width = 300
var param
if(localStorage.getItem('parameter')){
param = JSON.parse(localStorage.getItem('parameter'))
for (const property in param) {
document.querySelector('#' + property) !== null ? document.querySelector('#' + property).value = param[property] : null
}
}else{
param = {
network: 500,
trafficLength: 5,
laneCount: 3,
control: 'AI',
speed: 3,
mutationRate: 0.1
}
}
const carCtx = carCanvas.getContext('2d')
const networkCtx = networkCanvas.getContext('2d')
const road = new Road (carCanvas.width/2, carCanvas.width*0.9, param.laneCount)
const cars = generateCars(param.network, param.speed)
let bestCar = cars[0]
let traffic = generateRandomTraffic(param.trafficLength)
let isPaused = false
function togglePause(){
isPaused = !isPaused
}
function setParameter(target){
param[target] = parseFloat(document.querySelector('#' + target).value)
localStorage.setItem('parameter', JSON.stringify(param))
if(target == 'laneCount' || 'trafficLength') trafficDiscard()
window.location.reload();
}
if(localStorage.getItem('bestBrain')){
for (let i = 0; i < cars.length; i++) {
cars[i].brain = JSON.parse(localStorage.getItem('bestBrain'))
if(i != 0) NeuralNetwork.mutate(cars[i].brain, param.mutationRate)
}
}
if(localStorage.getItem('traffic')){
traffic = rehydrateSavedTraffic(JSON.parse(localStorage.getItem('traffic')))
}
const savedTrafficData = []
for (let i = 0; i < traffic.length; i++) {
savedTrafficData.push({
x: traffic[i].x,
y: traffic[i].y,
width: traffic[i].width,
height: traffic[i].height,
speed: traffic[i].maxSpeed
})
}
function rehydrateSavedTraffic(savedTraffic){
const traffic = []
for (let i = 0; i < savedTraffic.length; i++) {
traffic.push(new Car(savedTraffic[i].x, savedTraffic[i].y, savedTraffic[i].width, savedTraffic[i].height, 'DUMMY', savedTraffic[i].speed))
}
return traffic
}
function generateRandomTraffic(lineOfTraffic, speed){
const traffic = []
for (let i = 1; i < lineOfTraffic*2; i+=2) {
let numOfCars = Math.floor(Math.random() * road.laneCount)
let numOfLine = [0,1,2]
for (let j = 0 ; j < numOfCars; j++) {
if(speed !== undefined){
traffic.push(new Car(road.getLaneCenter(numOfLine.splice(Math.floor(Math.random() * numOfLine.length-1), 1)), -i*100, 30, 50, 'DUMMY', speed))
}
else{
let row = numOfLine.splice(Math.floor(Math.random() * numOfLine.length-1), 1)
traffic.push(new Car(road.getLaneCenter(row), -i*100, 40, 70, 'DUMMY', [2.5, 2.1, 1.8, 1.5].at(row)))
}
}
}
return traffic
}
var fps = [];
animate()
function trafficSave(){
localStorage.setItem('traffic', JSON.stringify(savedTrafficData))
}
function trafficDiscard(){
localStorage.removeItem('traffic')
}
function save(){
localStorage.setItem('bestBrain', JSON.stringify(bestCar.brain))
}
function discard(){
localStorage.removeItem('bestBrain')
}
function generateCars(N, speed = 3){
const cars = []
for (let i = 0; i < N; i++) {
cars.push(new Car(road.getLaneCenter(1), 100, 40, 70, 'AI', speed))
}
return cars
}
function animate(time){
if(!isPaused){
for (let i = 0; i < traffic.length; i++) {
traffic[i].update(road.borders, [])
}
for (let i = 0; i < cars.length; i++) {
cars[i].update(road.borders, traffic)
}
bestCar = cars.find(c => c.y == Math.min(...cars.map(c => c.y)))
carCanvas.height = window.innerHeight
networkCanvas.height = window.innerHeight
carCtx.save()
carCtx.translate(0, -bestCar.y + carCanvas.height * 0.7)
road.draw(carCtx)
for (let i = 0; i < traffic.length; i++) {
traffic[i].draw(carCtx)
}
carCtx.globalAlpha = 0.2
for (let i = 0; i < cars.length; i++) {
cars[i].draw(carCtx)
}
carCtx.globalAlpha = 1
bestCar.draw(carCtx, true)
carCtx.restore()
networkCtx.lineDashOffset = -time/50
Visualizer.drawNetwork(networkCtx, bestCar.brain)
const now = performance.now()
while (fps.length > 0 && fps[0] <= now - 1000) {
fps.shift();
}
fps.push(now);
Visualizer.drawFps(networkCtx, fps.length)
}
requestAnimationFrame(animate)
}