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Last change
on this file since 139 was
139,
checked in by epyon, 12 years ago
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- program - set_opt_uniform added
- example extended to feature per-pixel lighting, self-illumination mapping, specular mapping and dual custom colors mapping
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File size:
715 bytes
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| 1 | #version 120
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| 2 |
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| 3 | attribute vec3 position;
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| 4 | attribute vec2 texcoord;
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| 5 | attribute vec3 normal;
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| 6 |
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| 7 | varying vec3 v_normal;
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| 8 | varying vec3 v_light_vector;
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| 9 | varying vec3 v_view_vector;
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| 10 | varying vec2 v_texcoord;
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| 11 |
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| 12 | uniform mat4 matrix_mvp;
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| 13 | uniform mat4 nv_m_modelview;
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| 14 | uniform mat4 nv_m_projection;
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| 15 | uniform mat3 nv_m_normal;
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| 16 | uniform vec3 light_position;
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| 17 |
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| 18 | void main(void) {
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| 19 | vec4 vertex = vec4( position, 1.0 );
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| 20 | vec3 eye_pos = vec3( nv_m_modelview * vertex );
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| 21 | v_normal = normalize( nv_m_normal * normal );
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| 22 | v_light_vector = vec3( normalize( light_position - eye_pos ) );
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| 23 | v_view_vector = vec3( normalize( -eye_pos ) );
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| 24 |
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| 25 | v_texcoord = texcoord;
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| 26 | gl_Position = matrix_mvp * vertex;
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| 27 | }
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