function forwards(t) {
  return math.matrix([
    [cos(t), -sin(t), 0],
    [sin(t),  cos(t), 0],
    [     0,       0, 1]
  ])
}
// A matrix used to represent forwards motion
A matrix used to represent forwards motion
A matrix used to represent forwards motion
function forwards(t) {
  return math.matrix([
    [cos(t), -sin(t), 0],
    [sin(t),  cos(t), 0],
    [     0,       0, 1]
  ])
}
function forwards ( t ) { return math . matrix ( [ [ cos ( t ) , - sin ( t ) , 0 ] , [ sin ( t ) , cos ( t ) , 0 ] , [ 0 , 0 , 1 ] ] ) }
A matrix used to represent forwards motion
A matrix used to represent forwards motion