40 lines
1.1 KiB
GLSL
40 lines
1.1 KiB
GLSL
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#version 410 core
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layout(location = 0) in vec3 vertexPosition;
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layout(location = 1) in vec3 vertexNormal;
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layout(location = 3) in vec3 vertexTangent;
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layout(location = 4) in vec3 vertexBitangent;
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layout(location = 2) in vec2 vertexTexCoord;
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uniform mat4 modelViewProjectionMatrix;
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uniform mat4 modelMatrix;
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uniform vec3 lightPos;
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uniform vec3 cameraPos;
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out vec3 interpNormal;
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out vec2 interpTexCoord;
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out vec3 fragPos;
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out vec3 viewDirTS;
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out vec3 lightDirTS;
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void main()
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{
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gl_Position = modelViewProjectionMatrix * vec4(vertexPosition, 1.0);
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interpNormal = (modelMatrix * vec4(vertexNormal, 0.0)).xyz;
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interpTexCoord = vertexTexCoord;
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fragPos = (modelMatrix*vec4(vertexPosition,1)).xyz;
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vec3 normal = (modelMatrix * vec4(vertexNormal, 0.0)).xyz;
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vec3 tangent = (modelMatrix * vec4(vertexTangent, 0.0)).xyz;
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vec3 bitangent = (modelMatrix * vec4(vertexBitangent, 0.0)).xyz;
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mat3 tbn = transpose(mat3(tangent, bitangent, normal));
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vec3 viewDir = normalize(cameraPos-fragPos);
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vec3 lightDir = normalize(lightPos-fragPos);
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viewDirTS = tbn * viewDir;
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lightDirTS = tbn * lightDir;
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}
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