Grand Prix Legends .CAM File Type

Grand Prix Legends Car.CAM File Format by Brian Heiland for P.A.Flack 1998

last revised 25/June/1999

These files, of which there is one per car, define the locations of six cameras per car, Nose, Gearbox, (Zepplin or Shoulder), RollBar, Front Suspension & Rear Suspension. Zeppelin or shoulder view can be driven, but is not visible during replays. The header is very simple:

Bytes	Values	Notes
0-3 4-7 8-11	"MACC" 0x00000000 data size	Section Type - CCAM (Car Camera) 0 Size of following data

Each camera is defined by 36 bytes (9 floats).

There a a few values and units to work out yet, but most are found.

Formulas Radians to degrees = Radian * (180/pi)

Degrees to Radians = Degree * (pi/180)

Degree values are -180 to +180

Number	Type	Description
1 2 3 4 5 6 7 8 9	float float float float float float float float float	Distance from center point of car in metres (Neg=rearward, Pos=forward) Distance from car center in metres (Neg=left, Pos=right) Elevation in metres from car midpoint (Pos = Up Neg = down) Yaw Angle of camera in Radians (- = Counterclockwise + = Clockwise) Pitch Angle of camera in Radians (- = decend + = Climb) Bank Angle of Camera in Radians (- bank left + = Bank right) Wide Angle or Zoom (Unit Unknown Radian measure too? Greater value = wider angle) Another Camera Yaw??? (Unknown) Another Pitch Setting (Unknown)

contact: phil@flack99.freeserve.co.uk

last revised 25/June/1999