identity static method
Implementation
static void identity(Mat2D mat) {
  mat[0] = 1.0;
  mat[1] = 0.0;
  mat[2] = 0.0;
  mat[3] = 1.0;
  mat[4] = 0.0;
  mat[5] = 0.0;
}static void identity(Mat2D mat) {
  mat[0] = 1.0;
  mat[1] = 0.0;
  mat[2] = 0.0;
  mat[3] = 1.0;
  mat[4] = 0.0;
  mat[5] = 0.0;
}