From eb0f549ccd7530823397dded3dc8a264a26193d4 Mon Sep 17 00:00:00 2001
From: beppe <beppe.vanrolleghem@gmail.com>
Date: Sat, 22 Jun 2024 11:14:23 +0200
Subject: [PATCH] ok

---
 learning/PixelSpirit/the_sun.frag | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 learning/PixelSpirit/the_sun.frag

diff --git a/learning/PixelSpirit/the_sun.frag b/learning/PixelSpirit/the_sun.frag
new file mode 100644
index 0000000..d79139f
--- /dev/null
+++ b/learning/PixelSpirit/the_sun.frag
@@ -0,0 +1,27 @@
+#ifdef GL_ES
+precision mediump float;
+#endif
+uniform vec2 u_resolution;
+uniform vec2 u_mouse;
+uniform float u_time;
+
+#define PI 3.14159265359
+
+const vec3 uAColor = vec3(.5,.5,.5);
+const vec3 uBColor = vec3(.5,.5,.5);
+const vec3 uCColor = vec3(1.,1.,1.);
+const vec3 uDColor = vec3(.0,.33,.67);
+
+//get colors from http://dev.thi.ng/gradients/
+vec3 cosPalette(float t) { return uAColor + uBColor*cos(6.28318*(uCColor*t+uDColor)); }
+
+
+void main() {
+  vec2 st = (gl_FragCoord.xy*2. - u_resolution.xy)/u_resolution.y;
+  vec3 color = vec3(0.0,0.0,0.0);
+  float alpha = 1.0;
+
+  
+
+  gl_FragColor = vec4(color, alpha);
+}