What extractly mat3(a mat4 matrix) statement in glsl do?
Asked 2012-06-04T10:31:40.620
17
I'm doing a per fragment lighting and when correcting normal vecter, i got this code: vec3 f_normal = mat3(MVI) * normal; Where MVI is: mat4 MVI = transpose(inverse(ModelViewMatrix));. So what is return after mat3(MVI) statement?