90 lines
1.7 KiB
GLSL
90 lines
1.7 KiB
GLSL
#define _AlphaTest
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#define _NormalMapping
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#define _Texturing
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//--------------------------------------------------------
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#ifdef GL_ES
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precision highp float;
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#endif
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#ifdef _NormalMapping
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#define _Texturing
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#endif
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attribute vec3 pos;
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#ifdef _Texturing
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attribute vec2 tex;
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#endif
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attribute vec3 nor;
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#ifdef _VCols
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attribute vec4 col;
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#endif
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#ifdef _NormalMapping
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attribute vec3 tan;
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attribute vec3 bitan;
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#endif
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#ifdef _Instancing
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attribute vec3 off;
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#endif
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uniform mat4 M;
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uniform mat4 V;
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uniform mat4 P;
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uniform mat4 lightMVP;
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uniform vec4 diffuseColor;
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uniform vec3 light;
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uniform vec3 eye;
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varying vec3 position;
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#ifdef _Texturing
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varying vec2 texCoord;
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#endif
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varying vec3 normal;
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varying vec4 lPos;
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varying vec4 matColor;
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varying vec3 lightDir;
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varying vec3 eyeDir;
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mat3 transpose(mat3 m) {
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return mat3(m[0][0], m[1][0], m[2][0],
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m[0][1], m[1][1], m[2][1],
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m[0][2], m[1][2], m[2][2]);
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}
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void kore() {
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#ifdef _Instancing
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vec4 mPos = M * vec4(pos + off, 1.0);
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lPos = lightMVP * vec4(pos + off, 1.0);
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#else
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vec4 mPos = M * vec4(pos, 1.0);
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lPos = lightMVP * vec4(pos, 1.0);
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#endif
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gl_Position = P * V * mPos;
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position = mPos.xyz / mPos.w;
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#ifdef _Texturing
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texCoord = tex;
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#endif
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normal = normalize((M * vec4(nor, 0.0)).xyz);
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matColor = diffuseColor;
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#ifdef _VCols
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matColor *= col;
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#endif
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lightDir = normalize(light - position);
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eyeDir = normalize(eye - position);
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#ifdef _NormalMapping
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vec3 vTangent = (tan);
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vec3 vBitangent = cross( normal, vTangent ) * 1.0;//tangent.w;
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//vec3 vBitangent = (bitan);
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mat3 TBN = transpose(mat3(vTangent, vBitangent, normal));
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//mat3 TBN = (mat3(vTangent, vBitangent, normal));
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lightDir = normalize(TBN * lightDir);
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eyeDir = normalize(TBN * eyeDir);
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#endif
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}
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