OpenLayer Offline Manual

OpenLayer | Transforms | SetRotation SetRotation
static void SetRotation( | float angle );
Set the rotational angle of the screen contents. The angle is in clockwise order. Examples // Set the rotation of the screen contents to pi/2 // // (the screen will be rotated 90 decrees clockwise) // Transforms::SetRotation( AL_PI/2 ); // Get rid of the rotation // Transforms::SetRotation( 0.0 ); Other functions of the class Transforms
SetPosition | Set the position of screen contents
SetRotation | Set the rotational angle of the screen contents
SetRotationPivot | Selects the pivot point of the screen rotation
SetStretch | Sets the stretch factor of the screen
SetTintColor | Tints the whole screen to a color
ResetPlacement | Disables all the active placement transformations
SetColorChannels | Sets the coefficients of the color channels
GetColorChannels | Returns the coefficients of the color channels
PushPlacement | Pushes the placement state of Transforms in a stack
PopPlacement | Pops the most recent placement state of Transforms from the stack
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