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Diffstat (limited to 'src/fshader_test.glsl')
| -rw-r--r-- | src/fshader_test.glsl | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/fshader_test.glsl b/src/fshader_test.glsl index 4cd9ebd..709dedb 100644 --- a/src/fshader_test.glsl +++ b/src/fshader_test.glsl @@ -1,10 +1,13 @@ // used to determine the default level set -%COMMON% -%SDF% IN vec2 pos; +uniform float u_time; + +%COMMON% +%SDF% + vec4 rand(vec2 coord) { // this seems to give pretty good quality noise for |coord| < 2 vec4 a = sin((coord.xyyx + vec4(3.0)) * (coord.xyxy + vec4(4.0)) * 100.0 + 0.5832) * 1618.0; |