transformMat2D method

Vec2D transformMat2D(
  1. Vec2D o,
  2. Vec2D a,
  3. Mat2D m
)

Implementation

static Vec2D transformMat2D(Vec2D o, Vec2D a, Mat2D m) {
  double x = a[0];
  double y = a[1];
  o[0] = m[0] * x + m[2] * y + m[4];
  o[1] = m[1] * x + m[3] * y + m[5];
  return o;
}