-
Notifications
You must be signed in to change notification settings - Fork 3
/
Copy pathplayground.html
308 lines (277 loc) · 9.29 KB
/
playground.html
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
<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8'>
<script src="stackie.js"></script>
<style>
.meep {
height : 336px;
position:relative;
border: 1px solid green;
}
.box {
position:absolute;
width: 100px;
height:278px;
}
.left {
width:256px;
}
.left>canvas {
position:absolute;
top:24px;
}
#imageurl {
position:absolute;
bottom:100%;
}
.right {
height:332px;
width:400px;
right:0px;
overflow:auto;
}
.control {
left:280px;
}
.middle {
font-family: sans-serif;
font-size: 16px;
line-height:23px;
right:400px;
left:400px;
width:auto;
overflow:auto;
}
.middle>ul {
padding:1px;
margin: 0 auto;
-webkit-columns: 2;
-moz-columns: 2;
columns: 2;
}
.middle>ul>li {
display:block;
vertical-align:top;
}
.codelines {
position: absolute;
right: 404px;
left: 0px;
width:auto;
top : 282px;
height : 50px;
}
.image.code {
width:90%;
margin-bottom:5px;
}
.palette.code {
}
.opcode {
font-size: 22px;
font-family: monospace;
font-weight:bold;
}
#examples {
width:500px;
font-family : monospace;
font-size : 14px;
margin-left:10px;
line-height: 18px;
}
button {
position:absolute;
left:0px;
right:0px;
width:100%;
}
button.palette {
top:0px;
}
button.image {
bottom:0px;
}
button.seed {
top:130px;
}
#seed {
position:absolute;
left:10px;
width:60px;
top:100px;
text-align:right;
}
.pl-k {
color: #c00;
}
.pl-c1 {
color: #33c;
}
.pl-s {
color: #008;
}
.tips {
background-color:#efe;
overflow: auto;
border: 1px solid black;
margin-top:40px;
margin-left:20%;
margin-right:20%;
}
.tips>h3 {
text-align: center;
}
</style>
</head>
<body>
<div class="github">
<a href="https://github.com/Lerc/stackie"> Source on GitHub</a>
</div>
<h2>
Stackie - tiny, somewhat slow, texture maker.
</h2>
<div class="meep">
<div class="box left">
<div id="imageurl"></div>
<button onclick="generateLink()">Generate link for this image</button>
<canvas id="imageout" width=256 height=256></canvas></div>
<div class="box control">
<button class="image" onclick="generateImage()">Generate</button>
<button class="palette" onclick="generatePaletteImage()">Show Palette as Image</button>
<input id="seed" value=65></input>
<button class="seed" onclick="randomize()">Random Seed</button>
</div>
<div class="box middle">
<ul>
<li> <span class="opcode">x</span> : push x (x is in range 0...1) </li>
<li> <span class="opcode">y</span> : push y (y is in range 0...1) </li>
<li> <span class="opcode">0⋯9</span> : push constant 0...9 </li>
<li> <span class="opcode">d</span> : duplicate top of stack </li>
<li> <span class="opcode">:</span> : swap 1 and 2 on stack </li>
<li> <span class="opcode">;</span> : swap 1 and 3 on stack </li>
<li> <span class="opcode">+ - * /</span> : add, subtract, multiply, and divide </li>
<li> <span class="opcode">#</span> : round to nearest int </li>
<li> <span class="opcode">$</span> : floor </li>
<li> <span class="opcode">s c q l</span> : sin, cos, sqrt, log</li>
<li> <span class="opcode">e</span> : SmootherStep easing </li>
<li> <span class="opcode">P</span> : push PI </li>
<li> <span class="opcode">p</span> : perlin noise (using top two stack values) </li>
<li> <span class="opcode">w</span> : wrapping perlin( 3 stack values x*w,y,w) </li>
<li> <span class="opcode">W</span> : wrapping perlin( 4 stack values x*wx,y*wy,wx,wy) </li>
<li> <span class="opcode">a</span> : atan2</li>
<li> <span class="opcode">~</span> : abs </li>
<li> <span class="opcode">^</span> : pow </li>
<li> <span class="opcode">!</span> : push(1-pop()) </li>
<li> <span class="opcode">?</span> : push(0=>pop()0?0:1) </li>
<li> <span class="opcode">> <</span> : max, min </li>
<li> <span class="opcode">%</span> : mod (positve result mod) </li>
</ul>
</div>
<div class="box right">
<div>
<div id="examples">
<div>Examples</div>
<a href="?code=xy*"> xy*</a><br>
<a href="?code=x1x-*5*">x1x-*5*</a><br>
<a href="?code=112%2Fx-d*-112%2Fy-d*-*">112/x-d*-112/y-d*-*</a><br>
<a href="?code=x1x-*y1y-*%2B12%2F%2Bd*x%2B">x1x-*y1y-*+12/+d*x+</a><br>
<a href="?code=xy882**w12%2F%2B">xy882**w12/+</a><br>
<a href="?code=x1x-*5*dx4**y3*p%2By!-">x1x-*5*dx4**y3*p+y!-</a><br>
<a href="?code=x12%2F-d*y12%2F-d*%2Bx88**s12%2F*12%2F%2By*%2B">x12/-d*y12/-d*+x88**s12/*12/+y*+</a><br>
<a href="?code=xx*1x-d*%2Byy*1y-d*%2B*x88**sy88**s%2B*">xx*1x-d*+yy*1y-d*+*x88**sy88**s+*</a><br>
<a href="?code=x8*y8*p1%2B2%2Fx2*y2*p%2Bx28**y28**p4%2F%2B">x8*y8*p1+2/x2*y2*p+x28**y28**p4/+</a><br>
<a href="?code=xy*d!*14%2F%2B2*5%5Ex12%2F-y12%2F-a6%2Bx12%2F-d*y12%2F-d*%2B88**p*">xy*d!*14/+2*5^x12/-y12/-a6+x12/-d*y12/-d*+88**p*</a><br>
<a href="?code=x8*y8*p1%2B2%2Fx2*y2*p%2Bx28**y28**p4%2F%2B112%2Fx-d*-112%2Fy-d*-*d*d*d*d**">x8*y8*p1+2/x2*y2*p+x28**y28**p4/+112/x-d*-112/y-d*-*d*d*d*d**</a><br>
<a href="?code=x12%2F-y12%2F-a6%2Bx12%2F-d*y12%2F-d*%2B88**p">x12/-y12/-a6+x12/-d*y12/-d*+88**p</a><br>
<a href="?code=x12%2F-y12%2F-aP%2F1%2B2%2Fx12%2F-d*y12%2F-d*%2Bq88*82*W14%2F%2B12%2Fx-d*12%2Fy-d*%2B!3^e*e~qe&palette=x8^xy-d%3F*~%2B">x12/-y12/-aP/1+2/ x12/-d*y12/-d*+q 88*82*W14/+ 12/x-d*12/y-d*+!3^e*e~qe</a><br>
<a href="?code=x12/-y12/-:d;d;aP/1+2/;:d*:d*+qq482*W12/+">x12/-y12/-:d;d;aP/1+2/;:d*:d*+qq482*W12/+</a><br>
</div>
</div>
</div>
<div class="codelines box">
<div><input id="imagecode" class="image code" value="xy*">Image code </input></div>
<input id="palettecode" class="palette code" value="x">Palette Code </input>
</div>
</div>
<div class="tips">
<h3> This is how you use it in a program </h3>
<div class="highlight highlight-javascript"><pre> <span class="pl-c">//make a field and fill it</span>
<span class="pl-k">var</span> f<span class="pl-k">=</span>Stackie.<span class="pl-c1">makeField</span>(<span class="pl-c1">256</span>,<span class="pl-c1">256</span>);
f.<span class="pl-c1">generate</span>(Stackie.<span class="pl-c1">program</span>(<span class="pl-s"><span class="pl-pds">"</span>x8*y8*p1+2/x2*y2*p+x28**y28**p4/+112/x-d*-112/y-d*-*d*d*d*d**<span class="pl-pds">"</span></span>));
<span class="pl-k">var</span> smoke <span class="pl-k">=</span> f.<span class="pl-c1">getImageData</span>();
<span class="pl-c">//shorthand approach. Just give me the ImageData. </span>
<span class="pl-k">var</span> flame<span class="pl-k">=</span>Stackie.<span class="pl-c1">generate</span>(<span class="pl-s"><span class="pl-pds">"</span>x1x-*5*dx4**y3*p+y!-<span class="pl-pds">"</span></span>,<span class="pl-s"><span class="pl-pds">"</span>xy!1+*<span class="pl-pds">"</span></span>);
canvas_ctx.<span class="pl-c1">putImageData</span>(image,<span class="pl-c1">0</span>,<span class="pl-c1">0</span>); </pre></div>
</div>
<script>
var canvas = document.getElementById("imageout");
var seedInput = document.getElementById("seed");
var imageURL = document.getElementById("imageurl");
var imageCode ="x";
var paletteCode ="x";
var randSeed = 476;
var imageCodeInput = document.getElementById("imagecode");
var paletteCodeInput = document.getElementById("palettecode");
var ctx=canvas.getContext("2d");
imageCodeInput.addEventListener("keydown",handleKeyDown);
paletteCodeInput.addEventListener("keydown",handleKeyDown);
seed.addEventListener("keydown",handleKeyDown);
function handleKeyDown(e) {
if (e.keyCode === 13) {
generateImage();
}
}
function generateLink() {
var base = location.protocol+"//"+location.host+location.pathname;
var url= base+"?code="+encodeURIComponent(imageCode)+"&palette="+encodeURIComponent(paletteCode)+"&seed="+encodeURIComponent(randSeed)
//alert();
imageURL.innerHTML='<a href="'+url+'">[Image Link]</a>';
}
function generateImage() {
var img=imageCodeInput.value.replace(/\s/g, "");
var pal=paletteCodeInput.value.replace(/\s/g, "");
var seed=parseInt(seedInput.value);
if (seed !== randSeed) Stackie.setSeed(seed);
var image= Stackie.generate(img,pal);
ctx.putImageData(image,0,0);
imageCode=img;
paletteCode=pal;
randSeed=seed;
}
function generatePaletteImage() {
var pal=paletteCodeInput.value.replace(/\s/g, "");
var image= Stackie.generate(pal,"x");
ctx.putImageData(image,0,0);
}
function randomize() {
var newValue = Math.floor(Math.random()*0xfffff);
seedInput.value=newValue;
generateImage();
}
function getQueryVariable(variable)
{
var query = window.location.search.substring(1);
var vars = query.split("&");
for (var i=0;i<vars.length;i++) {
var pair = vars[i].split("=");
if(pair[0] == variable){return pair[1];}
}
return(false);
}
var queryCode = getQueryVariable("code");
var queryPalette = getQueryVariable("palette");
var querySeed = getQueryVariable("seed");
if (queryPalette) {
paletteCodeInput.value=decodeURIComponent(queryPalette);
}
if (querySeed) {
seedInput.value=decodeURIComponent(querySeed);
}
if (queryCode) {
imageCodeInput.value=decodeURIComponent(queryCode);
}
generateImage();
</script>
</body>
</html>