NAME
    SetCollision -- Set a pointer to a user collision routine.
SYNOPSIS
    SetCollision(num, routine, GInfo)
                 D0   A0       A1
    void SetCollision(ULONG, VOID (*)(), struct GelsInfo *);
FUNCTION
    Sets a specified entry (num) in the user's collision vectors table
    equal to the address of the specified collision routine.
INPUTS
    num     = collision vector number
    routine = pointer to the user's collision routine
    GInfo   = pointer to a GelsInfo structure
RESULT
BUGS
SEE ALSO
    InitGels()  graphics/gels.h  graphics/rastport.h