-
Notifications
You must be signed in to change notification settings - Fork 1
/
Copy pathindex.html
276 lines (230 loc) · 13.4 KB
/
index.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
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<title>Two galaxies JavaScript simulation</title>
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="mobile-web-app-capable" content="yes">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="/css/two_galaxies.css">
</head>
<body>
<script>
/**
* Calculate the improved viewport height so it can be used
* to set height in CSS: calc(var(--vh, 1vh) * 100.
* Based on: https://css-tricks.com/the-trick-to-viewport-units-on-mobile/
*/
function viewportHeight() {
if (window.innerHeight === window.twoGalaxiesInnerHeight &&
window.innerWidth === window.twoGalaxiesInnerWidth) return;
window.twoGalaxiesInnerHeight = window.innerHeight;
window.twoGalaxiesInnerWidth = window.innerWidth;
let vh = window.innerHeight * 0.01;
// Create a CSS 'vh' variable for the viewport height
document.documentElement.style.setProperty('--vh', `${vh}px`);
// Send the event to update the size of the canvas
var evt = new CustomEvent('twoGalaxiesViewportChanged');
window.dispatchEvent(evt);
}
viewportHeight();
// Recalculate the viewport height when screen is resized
window.addEventListener('resize', viewportHeight);
// Recalculate the height every second to account for
// bottom menu bar on iOS Safari
// https://www.eventbrite.com/engineering/mobile-safari-why
setInterval(viewportHeight, 1000);
</script>
<script nomodule>
// Message shown to older web browsers
document.write('<div class="OldBrowser">Please use a newer Web browser.</div>');
</script>
<div class="TwoGalaxies-loadingImageContainer">
<img src='images/loading.svg' alt='Loading' class='TwoGalaxies-loadingImage'>
</div>
<div class='TwoGalaxies-layoutFixed TwoGalaxies-layoutPadding TwoGalaxies--isHidden'>
<div class="TwoGalaxies-container TwoGalaxies--isFullScreenWide TwoGalaxies--isUnselectable TwoGalaxies--hasBottomMarginSmall">
<canvas class="TwoGalaxies-canvas"></canvas>
<div class='TwoGalaxies-hudContainer'>
<div class='TwoGalaxies-FPS'></div>
<div class='TwoGalaxies-hudContainerChild'>
<div class='TwoGalaxies-leftTopButtonContainer'>
<a class='TwoGalaxies-resetButton TwoGalaxies-button TwoGalaxies-doesChangeOpacityOnHover' href='#' title='Reset'><img src='images/reset_icon.svg' alt='Reset' class='TwoGalaxies-image'></a>
<a class='TwoGalaxies-restartButton TwoGalaxies-button TwoGalaxies-doesChangeOpacityOnHover' href='#' title='Restart'><img src='images/restart_icon.svg' alt='Restart' class='TwoGalaxies-image'></a>
<a class='TwoGalaxies-fastBackwardButton TwoGalaxies-button TwoGalaxies-doesChangeOpacityOnHover' href='#' title='Rewind'><img src='images/fast_backward_icon.svg' alt='Rewind' class='TwoGalaxies-image'></a>
<a class='TwoGalaxies-pauseButton TwoGalaxies-button TwoGalaxies-doesChangeOpacityOnHover' href='#' title='Pause'><img src='images/pause_icon.svg' alt='Pause' class='TwoGalaxies-image'></a>
<a class='TwoGalaxies-resumeButton TwoGalaxies-button TwoGalaxies-doesChangeOpacityOnHover TwoGalaxies--isHidden' href='#' title='Resume'><img src='images/resume_icon.svg' alt='Resume' class='TwoGalaxies-image'></a>
<a class='TwoGalaxies-fastForwardButton TwoGalaxies-button TwoGalaxies-doesChangeOpacityOnHover' href='#' title='Fast forward'><img src='images/fast_forward_icon.svg' alt='Fast forward' class='TwoGalaxies-image'></a>
<a class='TwoGalaxies-reverseTimeButton TwoGalaxies-button TwoGalaxies-doesChangeOpacityOnHover' href='#' title='Reverse time'><img src='images/reverse_time_icon.svg' alt='Reverse time' class='TwoGalaxies-image'></a>
<a class='TwoGalaxies-reverseTime2Button TwoGalaxies-button TwoGalaxies-doesChangeOpacityOnHover TwoGalaxies--isHidden' href='#' title='Reverse time'><img src='images/reverse_time2_icon.svg' alt='Reverse time' class='TwoGalaxies-image'></a>
</div>
<div class='TwoGalaxies-rightTopButtonContainer'>
<a class='TwoGalaxies-shareButton TwoGalaxies-button TwoGalaxies-doesChangeOpacityOnHover' href='#' title='Share'><img src='images/share_icon.svg' alt='Share' class='TwoGalaxies-image'></a>
</div>
<div class='TwoGalaxies-leftBottomButtonContainer'>
<a class='TwoGalaxies-numberOfRingsButton TwoGalaxies-button TwoGalaxies-doesChangeOpacityOnHover' href='#' title='Number of rings'><img src='images/number_of_rings_icon.svg' alt='Number of rings' class='TwoGalaxies-image'></a>
<a class='TwoGalaxies-massButton TwoGalaxies-button TwoGalaxies-doesChangeOpacityOnHover' href='#' title='Mass'><img src='images/mass_icon.svg' alt='Mass' class='TwoGalaxies-image'></a>
<a class='TwoGalaxies-distanceButton TwoGalaxies-button TwoGalaxies-doesChangeOpacityOnHover' href='#' title='Distance'><img src='images/distance_icon.svg' alt='Distance' class='TwoGalaxies-image'></a>
<a class='TwoGalaxies-eccentricityButton TwoGalaxies-button TwoGalaxies-doesChangeOpacityOnHover' href='#' title='Eccentricity'><img src='images/eccentricity_icon.svg' alt='Eccentricity' class='TwoGalaxies-image'></a>
<a class='TwoGalaxies-angleButton TwoGalaxies-button TwoGalaxies-doesChangeOpacityOnHover' href='#' title='Galaxy inclination'><img src='images/angle_icon.svg' alt='Galaxy inclination' class='TwoGalaxies-image'></a>
<a class='TwoGalaxies-ringSeparationButton TwoGalaxies-button TwoGalaxies-doesChangeOpacityOnHover' href='#' title='Ring separation and density'><img src='images/ring_separation_icon.svg' alt='Ring separation and density' class='TwoGalaxies-image'></a>
<a class='TwoGalaxies-timeStepButton TwoGalaxies-button TwoGalaxies-doesChangeOpacityOnHover' href='#' title='Time step'><img src='images/clock_icon.svg' alt='Time step' class='TwoGalaxies-image'></a>
</div>
</div>
</div>
</div>
<div class="TwoGalaxies-sliderRings1 TwoGalaxies-sliderColor1 SickSlider TwoGalaxies--isHidden TwoGalaxies--hasBottomMarginSmall TwoGalaxies--isUnselectable">
<div class='SickSlider-label'>Label text</div>
<div class="SickSlider-slider">
<div class="SickSlider-stripe"></div>
<div class="SickSlider-stripeLeft"></div>
<div class="SickSlider-head"></div>
</div>
</div>
<div class="TwoGalaxies-sliderRings2 TwoGalaxies-sliderColor2 SickSlider TwoGalaxies--isHidden TwoGalaxies--isUnselectable">
<div class='SickSlider-label'>Label text</div>
<div class="SickSlider-slider">
<div class="SickSlider-stripe"></div>
<div class="SickSlider-stripeLeft"></div>
<div class="SickSlider-head"></div>
</div>
</div>
<div class="TwoGalaxies-sliderMass1 TwoGalaxies-sliderColor1 SickSlider TwoGalaxies--isHidden TwoGalaxies--hasBottomMarginSmall TwoGalaxies--isUnselectable">
<div class='SickSlider-label'>Label text</div>
<div class="SickSlider-slider">
<div class="SickSlider-stripe"></div>
<div class="SickSlider-stripeLeft"></div>
<div class="SickSlider-head"></div>
</div>
</div>
<div class="TwoGalaxies-sliderMass2 TwoGalaxies-sliderColor2 SickSlider TwoGalaxies--isHidden TwoGalaxies--isUnselectable">
<div class='SickSlider-label'>Label text</div>
<div class="SickSlider-slider">
<div class="SickSlider-stripe"></div>
<div class="SickSlider-stripeLeft"></div>
<div class="SickSlider-head"></div>
</div>
</div>
<div class="TwoGalaxies-sliderDistance SickSlider TwoGalaxies--isHidden TwoGalaxies--hasBottomMarginSmall TwoGalaxies--isUnselectable">
<div class='SickSlider-label'>Label text</div>
<div class="SickSlider-slider">
<div class="SickSlider-stripe"></div>
<div class="SickSlider-stripeLeft"></div>
<div class="SickSlider-head"></div>
</div>
</div>
<div class="TwoGalaxies-sliderEccentricity SickSlider TwoGalaxies--isHidden TwoGalaxies--hasBottomMarginSmall TwoGalaxies--isUnselectable">
<div class='SickSlider-label'>Label text</div>
<div class="SickSlider-slider">
<div class="SickSlider-stripe"></div>
<div class="SickSlider-stripeLeft"></div>
<div class="SickSlider-head"></div>
</div>
</div>
<div class="TwoGalaxies-sliderAngle1 TwoGalaxies-sliderColor1 SickSlider TwoGalaxies--isHidden TwoGalaxies--hasBottomMarginSmall TwoGalaxies--isUnselectable">
<div class='SickSlider-label'>Label text</div>
<div class="SickSlider-slider">
<div class="SickSlider-stripe"></div>
<div class="SickSlider-stripeLeft"></div>
<div class="SickSlider-head"></div>
</div>
</div>
<div class="TwoGalaxies-sliderAngle2 TwoGalaxies-sliderColor2 SickSlider TwoGalaxies--isHidden TwoGalaxies--isUnselectable">
<div class='SickSlider-label'>Label text</div>
<div class="SickSlider-slider">
<div class="SickSlider-stripe"></div>
<div class="SickSlider-stripeLeft"></div>
<div class="SickSlider-head"></div>
</div>
</div>
<div class="TwoGalaxies-sliderRingSeparation SickSlider TwoGalaxies--isHidden TwoGalaxies--hasBottomMarginSmall TwoGalaxies--isUnselectable">
<div class='SickSlider-label'>Label text</div>
<div class="SickSlider-slider">
<div class="SickSlider-stripe"></div>
<div class="SickSlider-stripeLeft"></div>
<div class="SickSlider-head"></div>
</div>
</div>
<div class="TwoGalaxies-sliderRingMultiplier SickSlider TwoGalaxies--isHidden TwoGalaxies--hasBottomMarginSmall TwoGalaxies--isUnselectable">
<div class='SickSlider-label'>Label text</div>
<div class="SickSlider-slider">
<div class="SickSlider-stripe"></div>
<div class="SickSlider-stripeLeft"></div>
<div class="SickSlider-head"></div>
</div>
</div>
<div class="TwoGalaxies-sliderTimeStep SickSlider TwoGalaxies--isHidden TwoGalaxies--hasBottomMarginSmall TwoGalaxies--isUnselectable">
<div class='SickSlider-label'>Label text</div>
<div class="SickSlider-slider">
<div class="SickSlider-stripe"></div>
<div class="SickSlider-stripeLeft"></div>
<div class="SickSlider-head"></div>
</div>
</div>
<div class="TwoGalaxies-shareContainer TwoGalaxies--isHidden TwoGalaxies--isTextCentered">
<textarea class="TwoGalaxies-shareText TwoGalaxies--hasBottomMarginSmall">Hello I'm some text</textarea>
<button class="TwoGalaxies-copyToClipboardButton TwoGalaxies--hasBottomMarginSmall">Copy to clipboard</button>
<div class="TwoGalaxies-copyOutcome"> </div>
</div>
<!-- WebGL program for drawing stars -->
<script class="Webgl-vertexShader" type="notjs">
attribute vec4 a_position;
attribute vec4 a_color;
attribute float a_star_size;
uniform mat4 u_matrix;
varying vec4 v_color;
void main() {
// Multiply the position by the matrix.
gl_Position = u_matrix * a_position;
// Make stars that are further away appear smaller
// but not smaller than minimum size
gl_PointSize = max(a_star_size / gl_Position.z, 4.0);
// Pass the color to the fragment shader
v_color = a_color;
}
</script>
<script class="Webgl-fragmentShader" type="notjs">
// Precision of the fragment shader
precision mediump float;
// Passed in from the vertex shader.
varying vec4 v_color;
void main() {
// Draw a disk
// Based on
// https://www.desultoryquest.com/blog/drawing-anti-aliased-circular-points-using-opengl-slash-webgl/
// ---------
// gl_PointCoord is the [x, y] coordinate of currently drawn pixel inside
// the 1 by 1 rectangle. The x and y values are between 0 and 1.
// We translate the coordinates to be from -1 to 1 instead:
vec2 cxy = 2.0 * gl_PointCoord - 1.0;
// Calculate the square of the distance from [0, 0]
float r = dot(cxy, cxy);
// Do not draw the pixel if the distance is greater than one,
// which means the pixel is outside the disk
if (r > 1.0) {
discard;
}
// Draw the pixels inside the disk with the supplied color
// Make middle brighter to make it look like a sphere
gl_FragColor = v_color * r + vec4(1, 1, 1, 1) * (1.0 - r);
}
</script>
<!-- WebGL program for drawing trajectories of galaxy cores -->
<script class="Webgl-vertexShader-trajectory" type="notjs">
attribute vec4 a_position;
uniform mat4 u_matrix;
void main() {
gl_Position = u_matrix * a_position;
}
</script>
<script class="Webgl-fragmentShader-trajectory" type="notjs">
// Precision of the fragment shader
precision mediump float;
uniform vec4 u_color;
void main() {
gl_FragColor = u_color;
}
</script>
<script type="module" src="/js/main.js"></script>
</div>
</body>
</html>