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Update processing-shader.frag

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langolierz
2018-07-10 12:55:02 +12:00
committed by GitHub
parent 8598611c4a
commit 00b41b5407
1 changed files with 14 additions and 8 deletions
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22
shader_experiments/processing-shader.frag
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@@ -1,17 +1,23 @@
// Created by inigo quilez - iq/2013 // Created by inigo quilez - iq/2013
// License Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. // License Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
uniform vec3 u_Resolution; // viewport resolution (in pixels)
uniform float u_Time; // shader playback time (in seconds)
uniform float u_TimeDelta; // render time (in seconds)
uniform int u_Frame; // shader playback frame
uniform float u_ChannelTime[4];
void mainImage( out vec4 fragColor, in vec2 fragCoord ) void mainImage( out vec4 fragColor, in vec2 fragCoord )
{ {
vec2 q = fragCoord.xy / iResolution.xy; vec2 q = fragCoord.xy / u_Resolution.xy;
vec2 uv = 0.5 + (q-0.5)*(0.9 + 0.1*sin(0.2*iTime)); vec2 uv = 0.5 + (q-0.5)*(0.9 + 0.1*sin(0.2*u_Time));
vec3 oricol = texture( iChannel0, vec2(q.x,1.0-q.y) ).xyz; vec3 oricol = texture( iChannel0, vec2(q.x,1.0-q.y) ).xyz;
vec3 col; vec3 col;
col.r = texture(iChannel0,vec2(uv.x+0.003,-uv.y)).x; col.r = texture(u_Channel0,vec2(uv.x+0.003,-uv.y)).x;
col.g = texture(iChannel0,vec2(uv.x+0.000,-uv.y)).y; col.g = texture(u_Channel0,vec2(uv.x+0.000,-uv.y)).y;
col.b = texture(iChannel0,vec2(uv.x-0.003,-uv.y)).z; col.b = texture(u_Channel0,vec2(uv.x-0.003,-uv.y)).z;
col = clamp(col*0.5+0.5*col*col*1.2,0.0,1.0); col = clamp(col*0.5+0.5*col*col*1.2,0.0,1.0);
@@ -19,11 +25,11 @@ void mainImage( out vec4 fragColor, in vec2 fragCoord )
col *= vec3(0.95,1.05,0.95); col *= vec3(0.95,1.05,0.95);
col *= 0.9+0.1*sin(10.0*iTime+uv.y*1000.0); col *= 0.9+0.1*sin(10.0*u_Time+uv.y*1000.0);
col *= 0.99+0.01*sin(110.0*iTime); col *= 0.99+0.01*sin(110.0*u_Time);
float comp = smoothstep( 0.2, 0.7, sin(iTime) ); float comp = smoothstep( 0.2, 0.7, sin(u_Time) );
col = mix( col, oricol, clamp(-2.0+2.0*q.x+3.0*comp,0.0,1.0) ); col = mix( col, oricol, clamp(-2.0+2.0*q.x+3.0*comp,0.0,1.0) );
fragColor = vec4(col,1.0); fragColor = vec4(col,1.0);