1 files changed, 2 insertions, 1 deletions
diff --git a/src/main.zig b/src/main.zig
index 11052e5..eb7aef2 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -97,7 +97,8 @@ pub fn main() !void {
         \\out vec4 color;
         \\
         \\void main() {
-        \\  color = vec4(0,0,0,1);
+        \\  vec2 check = floor(uv*10);
+        \\  color = vec4(vec3(mod(check.x+check.y, 2.0)), 1);
         \\}
     );
     defer main_program.destroy();