DESCRIPTION glTranslate produces a translation by (x,y,z). The current matrix (see glMatrixMode) is multiplied by this translation matrix, with the product replacing the current matrix, as if glMultMatrix were called with the following matrix for its argument: 1 0 0 x 0 1 0 y 0 0 1 z 0 0 0 1
matrix_float4x4
はメモリレイアウトが転置してなかったかな。自信ないけど。