60 lines
1.3 KiB
Plaintext
60 lines
1.3 KiB
Plaintext
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attribute vec3 vPosition;
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attribute vec2 vTexCoord;
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uniform vec3 eye;
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uniform mat4 ModelViewMatrix;
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uniform mat3 NormalMatrix;
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uniform mat4 ProjectionMatrix1;
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uniform mat3 ModelViewMatrix3x3;
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varying vec2 frag_uv;
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varying vec3 ts_light_pos; // Tangent space values
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varying vec3 ts_view_pos; //
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varying vec3 ts_frag_pos; //
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mat3 transpose(in mat3 inMatrix)
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{
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vec3 i0 = inMatrix[0];
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vec3 i1 = inMatrix[1];
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vec3 i2 = inMatrix[2];
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mat3 outMatrix = mat3(
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vec3(i0.x, i1.x, i2.x),
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vec3(i0.y, i1.y, i2.y),
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vec3(i0.z, i1.z, i2.z)
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);
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return outMatrix;
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}
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void main()
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{
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vec3 vert_norm = vec3(0, 1, 0);
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vec3 vert_tang = vec3(1, 0, 0);
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vec3 vert_bitang = vec3(0, 0, 1);
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mat4 mvp = ProjectionMatrix1 * ModelViewMatrix;
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gl_Position = mvp * vec4(vPosition.xyz, 1.0);
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ts_frag_pos = vec3(ModelViewMatrix * vec4(vPosition.xyz, 1.0));
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vec3 t = normalize((NormalMatrix) * vert_tang);
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vec3 b = normalize((NormalMatrix) * vert_bitang);
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vec3 n = normalize((NormalMatrix) * vert_norm);
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mat3 tbn = transpose(mat3(t, b, n));
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ts_light_pos = tbn * vec3(1,2,0);
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//ts_view_pos = tbn * eye;
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ts_view_pos = tbn * vec3(0,0,0);
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ts_frag_pos = tbn * ts_frag_pos;
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frag_uv = vTexCoord;
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}
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