1 files changed, 0 insertions, 66 deletions
diff --git a/src/GLSLShaderTest/wood.frag b/src/GLSLShaderTest/wood.frag
deleted file mode 100644
index eecf91f..0000000
--- a/src/GLSLShaderTest/wood.frag
+++ /dev/null
@@ -1,66 +0,0 @@
-//
-// Simple fragment shader for wood
-//
-// Author: John Kessenich
-//
-// Copyright (c) 2002-2004 3Dlabs Inc. Ltd.
-//
-// See 3Dlabs-License.txt for license information
-//
-
-//uniform float GrainSizeRecip;
-//uniform vec3  DarkColor;
-//uniform vec3  spread;
-const float GrainSizeRecip = 1.0;
-const vec3  DarkColor = vec3 (0.6, 0.3, 0.1);
-const vec3  spread = vec3 (0.15, 0.075, 0.0);
-
-varying float lightIntensity; 
-varying vec3 Position;
-
-void main (void)
-{
-    //
-    // cheap noise
-    //
-    vec3 location = Position;
-    vec3 floorvec = vec3(floor(10.0 * Position.x), 0.0, floor(10.0 * Position.z));
-    vec3 noise = Position * 10.0 - floorvec - 0.5;
-    noise *= noise;
-    location += noise * 0.12;
-
-    //
-    // distance from axis
-    //
-    float dist = location.x * location.x + location.z * location.z;
-    float grain = dist * GrainSizeRecip;
-
-    //
-    // grain effects as function of distance
-    //
-    float brightness = fract(grain);
-    if (brightness > 0.5) 
-        brightness = (1.0 - brightness);
-    vec3 color = DarkColor + brightness * spread;
-    
-    brightness = fract(grain * 7.0);    
-    if (brightness > 0.5) 
-        brightness = 1.0 - brightness;
-    color -= brightness * spread;
-
-    //
-    // also as a function of lines parallel to the axis
-    //
-    brightness = fract(grain * 47.0) * 0.60;
-    float line = fract(Position.z + Position.x);
-    float snap = floor(line * 20.0) * (1.0/20.0);
-    if (line < snap + 0.006)
-        color -= brightness * spread;
-
-    //
-    // apply lighting effects from vertex processor
-    //
-    color = clamp(color * lightIntensity, 0.0, 1.0); 
-
-    gl_FragColor = vec4(color, 1.0);
-}