#ifndef _LINER_CONSTANTS
#define _LINER_CONSTANTS



enum int { 	side_top, 
			side_right, 
			side_bottom, 
			side_left };


// there are the possible things we know about a rectangle 
// that has a line moving:

#define KNOW_START_STOP			0x0001
#define KNOW_POSITON			0x0002
#define KNOW_TANGENT			0x0003
#define KNOW_PCT_DONE			0x0004


#endif	
