the area that the camera can see (called the camera viewhas it' center (that isits originat the game world coordinates (- - since what the camera sees is displayed on the player' screenthe --camera|coordinates are the same as the --pixel|coordinates to find out the pixel coordinates of the squirrels (that iswhere on the screen they appear)take the game coordinates of the squirrel and subtract the game coordinates of the camera' origin so the squirrel on the left has game world coordinates of (- - but appears at ( on the screen in pixel coordinates (for the coordinate- - and for the coordinate- - when we do the same calculation to find the pixel coordinates of the other two squirrelswe find that they exist outside of the range of the screen this is why they don' appear in the camera' view the "active areathe --active area|is just name came up with to describe the area of the game world that the camera views plus an area around it the size of the camera area