1 files changed, 25 insertions, 0 deletions
diff --git a/src/GLSLShaderTest/wood.vert b/src/GLSLShaderTest/wood.vert
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+++ b/src/GLSLShaderTest/wood.vert
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+//
+// Simple vertex shader for wood
+//
+// Author: John Kessenich
+//
+// Copyright (c) 2002-2004 3Dlabs Inc. Ltd.
+//
+// See 3Dlabs-License.txt for license information
+//
+
+varying float lightIntensity;
+varying vec3 Position;
+//uniform vec3 LightPosition;
+//uniform float Scale;
+const vec3 LightPosition = vec3 (0.0,0.0,0.4);
+const float Scale = 1.0;
+
+void main(void)
+{
+	vec4 pos = gl_ModelViewMatrix * gl_Vertex;
+	Position = vec3(gl_Vertex) * Scale;
+	vec3 tnorm = normalize(gl_NormalMatrix * gl_Normal);
+	lightIntensity = max(dot(normalize(LightPosition - vec3(pos)), tnorm), 0.0) * 1.5;
+	gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
+}