Working shaders again

1 files changed, 1 insertions, 44 deletions

diff --git a/themes/src/_shaders/sun.frag b/themes/src/_shaders/sun.frag
index dabd7ea..8463e06 100644
--- a/themes/src/_shaders/sun.frag
+++ b/themes/src/_shaders/sun.frag
@@ -1,48 +1,5 @@
 varying lowp vec4 VertexColor;
 
-#ifdef GL_ES
-precision mediump float;
-#endif
-
-uniform vec2 u_resolution;
-
-vec2 skew (vec2 st) {
-    vec2 r = vec2(0.0);
-    r.x = 1.1547*st.x;
-    r.y = st.y+0.5*r.x;
-    return r;
-}
-
-vec3 simplexGrid (vec2 st) {
-    vec3 xyz = vec3(0.0);
-
-    vec2 p = fract(skew(st));
-    if (p.x > p.y) {
-        xyz.xy = 1.0-vec2(p.x,p.y-p.x);
-        xyz.z = p.y;
-    } else {
-        xyz.yz = 1.0-vec2(p.x-p.y,p.y);
-        xyz.x = p.x;
-    }
-
-    return fract(xyz);
-}
-
 void main() {
-    vec2 st = gl_FragCoord.xy/u_resolution.xy;
-    vec3 color = VertexColor.xyz
-
-    // Scale the space to see the grid
-    st *= 10.;
-
-    // Show the 2D grid
-    color.rg = fract(st);
-
-    // Skew the 2D grid
-    // color.rg = fract(skew(st));
-
-    // Subdivide the grid into to equilateral triangles
-    // color = simplexGrid(st);
-
-    gl_FragColor = vec4(color,1.0);
+    gl_FragColor = VertexColor;
 }