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Diffstat (limited to 'progs/glsl/CH18-mandel.vert')
| -rw-r--r-- | progs/glsl/CH18-mandel.vert | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/progs/glsl/CH18-mandel.vert b/progs/glsl/CH18-mandel.vert deleted file mode 100644 index c4ca66405d..0000000000 --- a/progs/glsl/CH18-mandel.vert +++ /dev/null @@ -1,35 +0,0 @@ -// -// Vertex shader for drawing the Mandelbrot set -// -// Authors: Dave Baldwin, Steve Koren, Randi Rost -// based on a shader by Michael Rivero -// -// Copyright (c) 2002-2005: 3Dlabs, Inc. -// -// See 3Dlabs-License.txt for license information -// - -uniform vec3 LightPosition; -uniform float SpecularContribution; -uniform float DiffuseContribution; -uniform float Shininess; - -varying float LightIntensity; -varying vec3 Position; - -void main() -{ - vec3 ecPosition = vec3(gl_ModelViewMatrix * gl_Vertex); - vec3 tnorm = normalize(gl_NormalMatrix * gl_Normal); - vec3 lightVec = normalize(LightPosition - ecPosition); - vec3 reflectVec = reflect(-lightVec, tnorm); - vec3 viewVec = normalize(-ecPosition); - float spec = max(dot(reflectVec, viewVec), 0.0); - spec = pow(spec, Shininess); - LightIntensity = DiffuseContribution * - max(dot(lightVec, tnorm), 0.0) + - SpecularContribution * spec; - Position = vec3(gl_MultiTexCoord0 - 0.5) * 5.0; - gl_Position = ftransform(); - -}
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