-
Notifications
You must be signed in to change notification settings - Fork 0
/
script.js
382 lines (312 loc) · 9.71 KB
/
script.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
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
window.onload = ()=>{
var isMobile = window.innerWidth < window.innerHeight;
let board = document.querySelector(".board")
let info = document.querySelector(".info")
let gameover = document.querySelector(".gameover")
let thescore = document.querySelector(".thescore")
let highScore = document.querySelector(".highScore")
let scoreDiv = document.querySelector(".score")
var width = 35;
var height = 50;
const speed = 1;
var length = 2;
if(isMobile) {
width = parseInt((window.innerWidth - 30)/ 10)
height = parseInt((window.innerHeight/2)/ 10)
document.querySelector(".info h2").innerHTML = "Click here to start"
info.addEventListener('click', ()=>{
// console.log("Clicked")
start()
})
}
var theHighScore = window.localStorage.getItem('highScore') || '0';
theHighScore = parseInt(theHighScore);
highScore.innerHTML = theHighScore
var snakeArr = [];
board.style.width = width*10+"px"
scoreDiv.style.width = width*10+"px"
board.style.height = height*10+"px"
function fillBoard() {
board.innerHTML = ""
// Adding cells to game , board setup
for (let i = 0; i < height; i++) {
for (let j = 0; j < width; j++) {
let cell = document.createElement("div")
cell.classList.add("cell")
cell.setAttribute("data-y", i)
cell.setAttribute("data-x", j)
board.appendChild(cell)
}
}
}
const directions = {
"right": 0,
"down": 1,
"left": 2,
"up": 3
}
let food = {
x: null,
y: null
}
var currentDirection = directions.right;
var duration = 3;
var coordinate = {
x: randomIntFromInterval(0, width-1),
y: randomIntFromInterval(0, height-1)
}
var isGameOver = false;
var isStarted = false;
function setup() {
fillBoard()
duration = 3;
length = 2;
isStarted = true;
isGameOver = false;
setFood();
setScore();
}
// start();
setScore();
var loop
function start() {
info.style.display = 'none';
body = document.querySelector("body")
openFullscreen(body)
setup();
loop = setInterval(()=>{
// console.log("Loop")
toLoop()
}, 100*speed)
}
function toLoop() {
updateLocation()
paintCell(coordinate.x, coordinate.y)
setColor(food.x, food.y)
checkFood()
}
document.onkeydown = ((e)=>{
if(e.key === 'ArrowRight') {
right()
}
if(e.key === 'ArrowDown') {
down();
}
if(e.key === 'ArrowLeft') {
left();
}
if(e.key === 'ArrowUp') {
up();
}
if(!isStarted) {
start();
}
})
function left() {
if(currentDirection != directions.right && currentDirection != directions.left){
currentDirection = directions.left
toLoop()
}
}
function right() {
if(currentDirection != directions.left && currentDirection != directions.right){
currentDirection = directions.right
toLoop()
}
}
function up() {
if(currentDirection != directions.down && currentDirection != directions.up){
currentDirection = directions.up
toLoop()
}
}
function down() {
if(currentDirection != directions.up && currentDirection != directions.down){
currentDirection = directions.down
toLoop()
}
}
function getCell(x, y) {
return document.querySelector('[data-x="'+x+'"][data-y="'+y+'"]')
}
function setColor(x, y, white=true) {
if(isGameOver) {
return
}
try {
let cell = getCell(x, y)
if (white)
cell.style.backgroundColor='white'
else
cell.style.backgroundColor=''
} catch (error) {
console.log(error)
console.log(x, y)
gameOver();
}
}
function paintCell(x, y, d=null) {
let dur = d ? d : length;
checkLoop()
if(!isPartOfSname(x, y))
snakeArr.push({x, y})
setColor(x, y, true)
setTimeout(()=>{
setColor(x, y, false);
popFromSnakeArr(x, y)
}, 100*speed*dur)
}
function updateLocation() {
switch (currentDirection) {
case directions.right:
coordinate.x = coordinate.x+1
break;
case directions.down:
coordinate.y = coordinate.y+1
break;
case directions.left:
coordinate.x = coordinate.x-1
break;
case directions.up:
coordinate.y = coordinate.y-1
break;
default:
break;
}
if(coordinate.x > width-1) {
coordinate.x = 0
}
if(coordinate.x < 0) {
coordinate.x = width-1
}
if(coordinate.y > height-1) {
coordinate.y = 0
}
if(coordinate.y < 0) {
coordinate.y = height-1
}
}
function setFood(){
let x = randomIntFromInterval(0, width-1);
let y = randomIntFromInterval(0, height-1);
food.x = x;
food.y = y;
setColor(food.x, food.y);
}
function checkFood() {
if(coordinate.x == food.x && coordinate.y == food.y) {
length++;
setScore();
setFood();
if(length-2 % 5) {
// speed = speed - 0.2
}
}
}
function gameOver() {
isGameOver = true;
isStarted = false;
clearInterval(loop)
snakeArr = []
info.style.display = 'flex';
gameover.style.display = 'block';
}
function checkLoop() {
if(isPartOfSname(coordinate.x, coordinate.y)) {
gameOver();
}
}
function isPartOfSname(x, y) {
let part = false;
snakeArr.forEach((cord, i)=>{
if(cord.x == x && cord.y == y && i!=0) {
// console.log(i)
part = true
}
})
return part
}
function popFromSnakeArr(x, y) {
snakeArr.forEach((cord, index)=>{
if(cord.x == x && cord.y == y) {
snakeArr.splice(index, 1)
}
})
}
function setScore() {
let score = length - 2;
thescore.innerHTML = score;
if(score > theHighScore) {
theHighScore = score;
window.localStorage.setItem('highScore', theHighScore);
highScore.innerHTML = theHighScore;
}
}
// Mobile Controls
document.addEventListener('touchstart', handleTouchStart, false);
document.addEventListener('touchmove', handleTouchMove, false);
var xDownP = null;
var yDownP = null;
var xDown = null;
var yDown = null;
function getTouches(evt) {
return evt.touches || // browser API
evt.originalEvent.touches; // jQuery
}
function handleTouchStart(evt) {
const firstTouch = getTouches(evt)[0];
xDownP = xDown;
yDownP = yDown;
xDown = firstTouch.clientX;
yDown = firstTouch.clientY;
};
function handleTouchMove(evt) {
handleTouchStart(evt)
if ( ! xDownP || ! yDownP ) {
return;
}
var xUp = evt.touches[0].clientX;
var yUp = evt.touches[0].clientY;
var xDiff = xDownP - xUp;
var yDiff = yDownP - yUp;
if ( Math.abs( xDiff ) > Math.abs( yDiff ) ) {/*most significant*/
if ( xDiff > 0 ) {
/* left */
// console.log("Swipe Left")
left();
} else {
/* right */
// console.log("Swipe Right")
right()
}
} else {
if ( yDiff > 0 ) {
/* up */
// console.log("Swipe Up")
up()
} else {
/* down */
// console.log("Swipe Down")
down()
}
}
/* reset values */
xDown = null;
yDown = null;
};
}
function randomIntFromInterval(min, max) { // min and max included
return Math.floor(Math.random() * (max - min + 1) + min)
}
function openFullscreen(elem) {
console.log(elem)
if (elem.requestFullscreen) {
elem.requestFullscreen();
} else if (elem.mozRequestFullScreen) { /* Firefox */
elem.mozRequestFullScreen();
} else if (elem.webkitRequestFullscreen) { /* Chrome, Safari and Opera */
elem.webkitRequestFullscreen();
} else if (elem.msRequestFullscreen) { /* IE/Edge */
elem.msRequestFullscreen();
}
}