From fdb86173bc35422315859e37ed27f9ad63fa7aec Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Wed, 3 Feb 2016 10:13:49 +0100
Subject: Add support for modifiable parameters

---
 examples/symmetry.frag | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'examples')

diff --git a/examples/symmetry.frag b/examples/symmetry.frag
index faebd75..f1a72ad 100644
--- a/examples/symmetry.frag
+++ b/examples/symmetry.frag
@@ -5,6 +5,9 @@ out vec4 fragColor;
 uniform vec2 res;
 uniform float time;
 
+uniform int param_l;
+uniform int param_m;
+
 const float sharpness = 300;
 
 const float PI = 3.14159265358979323846;
@@ -31,8 +34,8 @@ void main(void) {
 
 	float scene = 0;
 
-	int n = 32;
-	float k = 0;
+	int n = param_l + 32;
+	float k = param_m;
 	for (int i = 0; i < n; i++) {
 		float c = square(vec2(0.5, 0) * rot(PI/2*(4.0*i/n)) * vec2(1, 1), 0.3, -PI/2*(k*i/n + time/1500), p);
 		scene = abs(scene - c);
-- 
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