   Look At Matrix
  I'm trying to build a look at matrix using two 3d points, current position and where I want to look at.  I'm used to working with DirectX where x is positive forward, y is positive right and z is positive up and down.You'd build the look-at matrix like this:zaxis = normal(cameraTarget - cameraPosition)xaxis = normal(cross(cameraUpVector, zaxis))yaxis = cross(zaxis, xaxis)Yieling this matrix: xaxis.x yaxis.x zaxis.x0 xaxis.y yaxis.y zaxis.y0 xaxis.z yaxis.z zaxis.z0-dot(xaxis, cameraPosition)  -dot(yaxis, cameraPosition)  -dot(zaxis, cameraPosition)  1Right?  The system I'm working with now has z as positive forward, x as positive right and y as positive right.  Is it safe to just swap the values around?  Will this have any adverse effects I need to look out for?Thanks.   