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.
88 lines
2.5 KiB
HTML
88 lines
2.5 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="en" >
|
|
<head>
|
|
<meta charset="UTF-8">
|
|
<title>Electric hover effect</title>
|
|
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/meyer-reset/2.0/reset.min.css">
|
|
<link rel="stylesheet" href="./style.css">
|
|
|
|
</head>
|
|
<body>
|
|
<!-- partial:index.partial.html -->
|
|
<a href="#" target="_blank">ENTER</a>
|
|
|
|
<script id="vertexShader" type="x-shader/x-vertex">
|
|
varying vec2 vUv;
|
|
void main() {
|
|
vUv = uv;
|
|
gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
|
|
}
|
|
</script>
|
|
|
|
<script id="fragmentShader" type="x-shader/x-fragment">
|
|
uniform sampler2D _circle;
|
|
uniform sampler2D _circle_blur;
|
|
uniform sampler2D _dist;
|
|
uniform sampler2D _mask;
|
|
uniform sampler2D _color;
|
|
uniform float _time;
|
|
varying vec2 vUv;
|
|
|
|
//custom
|
|
uniform float _dispFactor;
|
|
uniform float _speed;
|
|
|
|
float map(float value, float minA, float maxA, float minB, float maxB){
|
|
return (value - minA) / (maxA - minA) * (maxB - minB) + minB;
|
|
}
|
|
|
|
void main() {
|
|
|
|
vec2 uv = vUv;
|
|
|
|
vec4 circleTexture = texture2D( _mask, uv );
|
|
|
|
vec2 scaleCenter = vec2(0.5, 0.5);
|
|
|
|
vec2 coord = uv;
|
|
float sin_factor = sin(0.72 * _time);
|
|
float cos_factor = cos(0.72 * _time);
|
|
coord = vec2(coord.x - 0.5, coord.y - 0.5) * mat2(cos_factor, sin_factor, -sin_factor, cos_factor);
|
|
coord += 0.5;
|
|
|
|
|
|
vec2 distMapUV = uv * 0.22;
|
|
distMapUV.y -= _time / _speed;
|
|
|
|
vec4 mapColorDisp = texture2D( _color, (coord - scaleCenter) * 0.7 + scaleCenter );
|
|
vec4 mapDisp = texture2D( _dist, distMapUV);// - 0.75;
|
|
|
|
float xDisp = map( mapColorDisp.x, 0.0, 1.0, -1.0, 1.0 ) * mapDisp.x * _dispFactor;
|
|
float yDisp = map( mapColorDisp.y, 0.0, 1.0, -1.0, 1.0 ) * mapDisp.x * _dispFactor;
|
|
|
|
vec2 uvDisp = vec2(
|
|
clamp( xDisp * 0.3448 * circleTexture.a, -0.1, 0.1 ),
|
|
clamp( yDisp * 0.3448 * circleTexture.a, -0.1, 0.1 )
|
|
);
|
|
|
|
float maskCircle = circleTexture.a * 1.8;
|
|
|
|
vec2 scaledUV = vec2((uv - scaleCenter) * 1.5 + scaleCenter );
|
|
|
|
vec4 tex_light = texture2D( _circle, scaledUV + uvDisp * coord * 1.5);
|
|
vec4 tex_lightBlur = texture2D( _circle_blur, scaledUV + uvDisp * coord * 1.5);
|
|
tex_lightBlur.a *= (8.41 * circleTexture.a);
|
|
tex_lightBlur.rgb *= 2.2;
|
|
tex_light.rgb *= 1.6 * max((1.0 - maskCircle), .0);
|
|
|
|
|
|
gl_FragColor = mix(tex_light, tex_lightBlur, min(maskCircle, 1.0));
|
|
}
|
|
</script>
|
|
<!-- partial -->
|
|
<script src='https://cdnjs.cloudflare.com/ajax/libs/three.js/86/three.min.js'></script>
|
|
<script src='./dat.gui.min.js'></script><script src="./script.js"></script>
|
|
|
|
</body>
|
|
</html>
|