You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
91 lines
3.4 KiB
HTML
91 lines
3.4 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="en" >
|
|
<head>
|
|
<meta charset="UTF-8">
|
|
<title>3D Synth Canyon Animation</title>
|
|
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/5.0.0/normalize.min.css">
|
|
<link rel="stylesheet" href="./style.css">
|
|
|
|
</head>
|
|
<body>
|
|
|
|
<script id="vertexShader" type="x-shader/x-vertex">
|
|
attribute vec3 center;
|
|
uniform float uTime;
|
|
varying float vDisp;
|
|
varying vec3 vCenter;
|
|
varying vec2 vSceneYZ;
|
|
|
|
#define PULSE_TIME 1.16
|
|
|
|
void main() {
|
|
vCenter = center;
|
|
vDisp = max(
|
|
max(0., 1.-pow(3.*abs(uv.y-fract(-uTime*PULSE_TIME)+0.5),0.5)),
|
|
1.-pow(3.*abs(uv.y-fract(-uTime*PULSE_TIME)-0.5),0.5)
|
|
);
|
|
// FIXME - magic numbers in displacement calculation
|
|
vec4 scenePosition = modelViewMatrix*vec4(position+vec3(0.,1.,0.)*2.5*vDisp,1.);
|
|
vSceneYZ = scenePosition.yz;
|
|
gl_Position = projectionMatrix*scenePosition;
|
|
}
|
|
</script>
|
|
<script id="fragmentShader" type="x-shader/x-fragment">
|
|
uniform float uResolutionScale;
|
|
varying float vDisp;
|
|
varying vec3 vCenter;
|
|
varying vec2 vSceneYZ;
|
|
|
|
#define PI 3.14159265359
|
|
#define WIREFRAME_WIDTH 2.5
|
|
|
|
// adapted from https://github.com/mrdoob/three.js/blob/dev/examples/webgl_materials_wireframe.html for wireframe effect
|
|
float edgeFactorTri() {
|
|
vec3 a3 = smoothstep(vec3(0.), fwidth(vCenter.xyz)*WIREFRAME_WIDTH/uResolutionScale, vCenter.xyz);
|
|
return min(min(a3.x, a3.y), a3.z);
|
|
}
|
|
|
|
void main( void ) {
|
|
if (edgeFactorTri() > 0.98) discard;
|
|
vec3 color = mix(
|
|
mix(
|
|
mix(
|
|
vec3(1.,0.,0.6), // magenta base
|
|
vec3(1., 0.9, .0), min(1.9,vDisp) // yellow pulse
|
|
),
|
|
vec3(1.), max(0., (vSceneYZ.s-20.) / 120.) // lighter on top; FIXME - magic numbers with Y position
|
|
),
|
|
vec3(0.), max(0., min(1., (-vSceneYZ.t - 80.) / 80.)) // fade to black; FIXME - magic numbers with Z position
|
|
);
|
|
gl_FragColor = gl_FrontFacing ?
|
|
vec4(color, 1.0) :
|
|
vec4(color, 0.5);
|
|
}
|
|
</script>
|
|
<div id="container"></div>
|
|
<div id="info">Synth Canyon Animation - with <a href="https://threejs.org" target="_blank">three.js</a>
|
|
</div>
|
|
<div id="controls">
|
|
<label for="resolution">resolution: </label>
|
|
<select id="resolution" value="2">
|
|
<option value="0.5">0.5x</option>
|
|
<option value="1" selected>1x</option>
|
|
<option value="2">2x</option>
|
|
<option value="4">4x</option>
|
|
<option value="8">8x</option>
|
|
</select>
|
|
<label for="hide-audio">hide audio: </label>
|
|
<input id="hide-audio" type="checkbox"></input>
|
|
<iframe class="audio-embed" width="350" height="83" scrolling="no" frameborder="no" allow="autoplay" src="https://w.soundcloud.com/player/?url=https%3A//api.soundcloud.com/tracks/450662742&color=%23a575d0&auto_play=false&hide_related=false&show_comments=true&show_user=true&show_reposts=false&show_teaser=true"></iframe>
|
|
</div>
|
|
|
|
<script src='https://cdnjs.cloudflare.com/ajax/libs/three.js/110/three.min.js'></script>
|
|
<script src='https://cdnjs.cloudflare.com/ajax/libs/stats.js/r16/Stats.min.js'></script>
|
|
<script src='https://cdnjs.cloudflare.com/ajax/libs/simplex-noise/2.4.0/simplex-noise.min.js'></script>
|
|
<script src='https://s3-us-west-2.amazonaws.com/s.cdpn.io/168886/RenderPass.110.js'></script>
|
|
<script src='https://s3-us-west-2.amazonaws.com/s.cdpn.io/168886/EffectComposer.110.js'></script>
|
|
<script src='https://s3-us-west-2.amazonaws.com/s.cdpn.io/168886/UnrealBloomPass.110.js'></script><script src="./script.js"></script>
|
|
|
|
</body>
|
|
</html>
|