updated from old repo

1 files changed, 32 insertions, 0 deletions

diff --git a/assets/shaders/plasma.frag.glsl b/assets/shaders/plasma.frag.glsl
new file mode 100644
index 00000000..2ab8f49c
--- /dev/null
+++ b/assets/shaders/plasma.frag.glsl
@@ -0,0 +1,32 @@
+//
+// Fragment shader for procedural bricks
+//
+// Authors: Dave Baldwin, Steve Koren, Randi Rost
+//          based on a shader by Darwyn Peachey
+//
+// Copyright (c) 2002-2006 3Dlabs Inc. Ltd. 
+//
+// See 3Dlabs-License.txt for license information
+//
+
+#ifdef GL_ES
+precision highp float;
+#endif
+
+
+varying vec2    v_uv;
+uniform float   u_time;
+uniform vec4    color;
+
+void main(void)
+{
+        float x = v_uv.x ;
+        float y = v_uv.y ;
+        float time = color.x;
+        float wave =    (cos(time + y / 0.2  + cos(x / 0.3 + cos((y / 0.1)))));
+        float wave1 =   (sin(abs(wave + y/0.6)));
+        float wave2 =   (sin(abs(wave1 + y/0.8)));
+        float tmp = u_time * 0.1;
+        gl_FragColor = vec4( abs(vec3(wave2,wave1,wave)),1.0);
+        //gl_FragColor = color;
+}