2011-09-05 15:02:06 +00:00
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// -*-C++-*-
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2012-07-02 20:12:24 +00:00
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// -*-C++-*-
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// Texture switching based on face slope and snow level
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// based on earlier work by Frederic Bouvier, Tim Moore, and Yves Sablonier.
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// © Emilian Huminiuc 2011
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2011-09-05 15:02:06 +00:00
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2011-10-29 09:57:04 +00:00
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#version 120
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2011-09-05 15:02:06 +00:00
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2013-01-17 09:51:23 +00:00
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varying float RawPosZ;
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varying vec3 WorldPos;
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varying vec3 normal;
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varying vec3 Vnormal;
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uniform mat4 osg_ViewMatrixInverse;
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2011-12-01 20:58:14 +00:00
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2011-09-05 15:02:06 +00:00
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void main()
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2011-12-01 20:58:14 +00:00
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{
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2013-01-17 09:51:23 +00:00
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RawPosZ = gl_Vertex.z;
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WorldPos = (osg_ViewMatrixInverse *gl_ModelViewMatrix * gl_Vertex).xyz;
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2011-09-05 15:02:06 +00:00
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gl_Position = ftransform();
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gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
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normal = normalize(gl_Normal);
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2012-07-02 20:12:24 +00:00
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Vnormal = normalize(gl_NormalMatrix * gl_Normal);
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2011-09-05 15:02:06 +00:00
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}
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