X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=shaders%2Fscene_font.fs;h=366e120115a448eebd9f4bcfcfc42d51d3aa5330;hb=be5e25dee2c54c2a22ca3bbb5bbe0eb6149343be;hp=27241fee83b488710d782d6ce234c05bcd5cf71b;hpb=c2b59441df0383807ba093295af2e4400e552f39;p=carveJwlIkooP6JGAAIwe30JlM.git

diff --git a/shaders/scene_font.fs b/shaders/scene_font.fs
index 27241fe..366e120 100644
--- a/shaders/scene_font.fs
+++ b/shaders/scene_font.fs
@@ -1,23 +1,51 @@
 uniform sampler2D uTexGarbage; // unused
-uniform sampler2D uTexMain;
+uniform sampler2D uTexMain;    // unused
 uniform vec3 uCamera;
-uniform vec4 uPlane;
+uniform float uTime;
+uniform float uOpacity;
+uniform float uColourize;
 
+#include "light_clearskies_stddef.glsl"
 #include "common_scene.glsl"
 #include "motion_vectors_fs.glsl"
 
-void main()
-{
-   compute_motion_vectors();
+vec3 pal( float t ){
+   vec3 a = vec3(0.30,0.3,0.3);
+   vec3 b = vec3(0.8);
+   vec3 c = vec3(0.28,0.3,0.4);
+   vec3 d = vec3(0.00,0.1,0.1);
+   return a + b*cos( 6.28318*(c*t+d) );
+}
 
+void main(){
+   compute_motion_vectors();
    vec3 vfrag = vec3(0.5,0.5,0.5);
-   vec4 vsamplemain = texture( uTexMain, aUv );
    vec3 qnorm = aNorm.xyz;
 
-   vfrag = vsamplemain.rgb;
+   //vec4 vsamplemain = texture( uTexMain, aUv );
+   //vfrag = vsamplemain.rgb;
+
+   vec4 spread0 = uTime*0.0002*vec4(  17.3,-19.6, 23.2,-47.7 );
+   vec4 spread1 = uTime*0.0002*vec4( -13.3, 12.6,-28.2, 14.7 );
+
+   vec2 p = aCo.xy + vec2(0.3);
+   float a = atan( p.y/p.x );
+   vec4 v0 = step( vec4(0.5), fract(vec4(a) + spread0) );
+   vec4 v1 = step( vec4(0.5), fract(vec4(a) + spread1) );
+
+   float d = ( v0.x+v0.y+v0.z+v0.w +
+               v1.x+v1.y+v1.z+v1.w ) * 0.125;
+   
+   float dither = fract(dot(vec2(171.0,231.0),gl_FragCoord.xy)/71.0);
+   float x = d*0.8+length(p)*0.3;
+   x = (floor(x*8.0) + step(dither, fract(x * 8.0))) / 8.0;
+
+   if( x + (uOpacity*2.0-1.0) < 0.5 ) 
+      discard;
+
+   vfrag = mix( vec3(x), pal( x ), uColourize );
 
-   if( g_light_preview == 1 )
-   {
+   if( g_light_preview == 1 ){
       vfrag = vec3(0.5);
    }