more minor effect tweaks

2 files changed, 6 insertions, 6 deletions

diff --git a/pass1.frag b/pass1.frag
index f00cdcf..5cac343 100644
--- a/pass1.frag
+++ b/pass1.frag
@@ -9,7 +9,7 @@ layout(location = U_LOC_TIME) uniform float time;
 layout(location = U_LOC_PASS1) uniform sampler2D buf;
 ivec2 res = ivec2(RES_H, RES_V);
 
-const float step = 0.03;
+const float step = 0.02;
 const float turns = 9.0;
 
 const vec3 white = vec3(1.0, 1.0, 1.0);
@@ -24,9 +24,9 @@ void main() {
 	vec2 gc = (uv - 0.5) * 2.0; // graph coordinates (-1,-1) to (1,1)
 	gc.x *= float(res.x) / float(res.y); // adjust circle aspect ratio
 
-	float offset = time * 1.0;
+	float offset = time * 4.0;
 
-	float mag = 1.3 + 0.5 * sin(2 * time); // braid ratio
+	float mag = 1.5 + 0.5 * sin(2 * time); // braid ratio
 	float size = 0.4 + 0.1 * sin(3 * time); // total size
 
 	for (float t = 0.0; t < PI_2; t += step) {
diff --git a/pass2.frag b/pass2.frag
index 78c1f75..9822db0 100644
--- a/pass2.frag
+++ b/pass2.frag
@@ -10,11 +10,11 @@ layout(location = U_LOC_PASS1) uniform sampler2D buf;
 layout(location = U_LOC_WINDOW) uniform ivec2 window;
 
 const vec4 color_a = vec4(0.15, 0.50, 0.90, 1.0);
-const vec4 color_b = vec4(0.90, 1.00, 0.90, 1.0);
+const vec4 color_b = vec4(0.85, 1.00, 0.85, 1.0);
 
 void main() {
 	vec2 uv = gl_FragCoord.xy / window.xy;
-  float val = texture(buf, uv)[0];
-  color = mix(color_a, color_b, val); // map b/w colors to gradient
+  color = texture(buf, uv);
+  color = mix(color_a, color_b, color[0]); // map b/w colors to gradient
 }