shaders

commit 6487ca220d0eff32b0cde7aa024bdb75b4b36012
parent 41fdd8440b27b463b27f2afda901ede873c1f0bd
Author: mpizzzle <m@michaelpercival.xyz>
Date:   Mon,  7 Sep 2020 15:46:14 +0100

Minor adaptation to silexargs shader

Diffstat:
A
silexsargs.frag
 | 
24
++++++++++++++++++++++++

1 file changed, 24 insertions(+), 0 deletions(-)
diff --git a/silexsargs.frag b/silexsargs.frag
@@ -0,0 +1,24 @@
+// http://www.pouet.net/prod.php?which=57245
+// If you intend to reuse this shader, please add credits to 'Danilo Guanabara'
+
+uniform float u_time;
+uniform vec2 u_resolution;
+
+void main() {
+    vec3 c;
+    float l, z = u_time;
+
+    for(int i = 0; i < 3; i++) {
+        vec2 uv, p = gl_FragCoord.xy / u_resolution;
+        uv = p;
+        p -= .5;
+        p.x *= u_resolution.x / u_resolution.y;
+        z += .07;
+        l = length(p);
+	l *= l;
+        uv += p / l * (sin(z) + 1.) * abs(sin(l * 9. - z * 2.));
+        c[i] = .01 / length(abs(mod(uv, 1.) - .5));
+    }
+
+    gl_FragColor = vec4(c / l, u_time);
+}