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onclick ripple

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serge
2022-07-30 17:37:21 +10:00
parent 65d0380bde
commit ed2fff88a8
3 changed files with 7 additions and 34 deletions
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4
js/regl/main.js
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@@ -61,8 +61,8 @@ export default async (canvas, config) => {
window.ripples = [0,0,0]
window.onclick = (e) => { // ripple init
console.log(e)
window.ripples = [Date.now(), e.clientX, e.clientY]
console.log(ripples)
window.ripples = [Date.now(), (e.clientX/e.srcElement.clientWidth*2)-1, (e.clientY/e.srcElement.clientHeight*2)-1]
// console.log(ripples)
}

4
js/regl/ripplesPass.js
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@@ -18,9 +18,9 @@ export default ({ regl, config }, inputs) => {
tex: inputs.primary,
bloomTex: inputs.bloom,
intensity: ()=>{
let inten = 8 - (Date.now() - window.ripples[0])/500
let inten = 2 - (Date.now() - window.ripples[0])/2000
if (inten < 0) inten = 0
return inten / 50
return inten / 10
},
height: regl.context("viewportWidth"),
width: regl.context("viewportHeight"),

31
shaders/glsl/ripplesPass.frag.glsl
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@@ -9,40 +9,13 @@ uniform sampler2D tex;
uniform sampler2D bloomTex;
void main() {
// gl_FragColor = texture2D(tex, vUV);
// vec4 color = texture2D(bloomTex, vUV) + texture2D(tex, vUV);
// float intensity = 0.1;
vec2 iResolution = vec2(height,width);
//vec2 cp = -1. + 2. * gl_FragCoord.xy / iResolution.xy;
//cp = -1. + 2. * vec2(centerW, centerH) / iResolution.xy;
vec2 cp = vec2(
-1. + 2.* gl_FragCoord.x /iResolution.x + -1.+ 2.*(iResolution.x-centerW)/iResolution.x,
-1. + 2.* gl_FragCoord.y /iResolution.y//gl_FragCoord.y //-1. + 2.*(gl_FragCoord.y)/iResolution.y + -1.+ 2.*(iResolution.y-centerH)/iResolution.y
-1. + 2.* gl_FragCoord.x /iResolution.x - centerW,
-1. + 2.* gl_FragCoord.y /iResolution.y + centerH
);
// cp.y = 1. - cp.y - 2. * centerH/iResolution.y;
float cl = length(cp);
vec2 uv = gl_FragCoord.xy / iResolution.xy + (cp / cl / 4. ) * sin(cl*10. - time * 12.) * intensity*.5;
// vec4 col=smoothstep(0.1,.91,texture2D(color).xyz);
vec3 col = texture2D(tex, uv).xyz + texture2D(bloomTex, uv).xyz;;
gl_FragColor = vec4(col,1.0);
}
// void main( out vec4 fragColor, in vec2 fragCoord )
// {
// vec2 cp = -1.0 + 2.0 * fragCoord / iResolution.xy;
// float cl = length(cp);
// vec2 uv = fragCoord / iResolution.xy + (cp / cl) * cos(cl * 12.0 - iTime * 4.0) * 0.02;
// vec3 col = texture(iChannel0, uv).xyz;
// fragColor = vec4(col, 1.0);
// }