lole

1 files changed, 21 insertions, 0 deletions

diff --git a/flag.glsl b/flag.glsl
new file mode 100644
index 0000000..f52c2f2
--- /dev/null
+++ b/flag.glsl
@@ -0,0 +1,21 @@
+uniform sampler2D texture;
+uniform float iTime;
+
+void main() {
+    vec2 uv = gl_TexCoord[0].xy;
+    float sine = sin(uv.x*24.0 - iTime*7.0);
+    float offset = sine*0.04;
+    uv.x -= 0.25;
+    uv.x += offset*0.5*uv.x;
+    uv.y += offset*uv.x*2.0 - 0.25;
+
+    vec4 col = texture2D(texture, uv*2.0);
+    //col.rgb *= (1.0 + (0.0 + 0.5*(offset+0.04)*50.0));
+    col.rgb *= 0.9;
+    col.rgb += 0.1 * -sine;
+
+    if(uv.x < 0.0 || uv.x > 0.5 || uv.y < 0.0 || uv.y > 0.5)
+        col.a = 0.0;
+
+    gl_FragColor = col;
+}
\ No newline at end of file