@interface PAEScratchVector : NSObject { float _x; float _y; float _endX; float _endY; } - (id)initWithStartLocationX:(float)a0 andY:(float)a1 andEndLocationX:(float)a2 andY:(float)a3; - (void)startLocationX:(float *)a0 andY:(float *)a1 andEndLocationX:(float *)a2 andY:(float *)a3; @end