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ADDED: Support model normal matrix location #1691

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raysan5 2021-03-31 20:44:16 +02:00
commit cdc3754449
1 changed files with 18 additions and 13 deletions
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5
examples/shaders/resources/shaders/glsl330/base_lighting.vs
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@ -9,6 +9,7 @@ in vec4 vertexColor;
// Input uniform values
uniform mat4 mvp;
uniform mat4 matModel;
uniform mat4 matNormal;
// Output vertex attributes (to fragment shader)
out vec3 fragPosition;
@ -24,9 +25,7 @@ void main()
fragPosition = vec3(matModel*vec4(vertexPosition, 1.0));
fragTexCoord = vertexTexCoord;
fragColor = vertexColor;
mat3 normalMatrix = transpose(inverse(mat3(matModel)));
fragNormal = normalize(normalMatrix*vertexNormal);
fragNormal = normalize(vec3(matNormal*vec4(vertexNormal, 1.0)));
// Calculate final vertex position
gl_Position = mvp*vec4(vertexPosition, 1.0);