delta_x            70 usr/sample/balls/balls.c 	int delta_x, delta_y;
delta_x            78 usr/sample/balls/balls.c 	delta_x = (random() % 10) + 1;
delta_x            95 usr/sample/balls/balls.c 		x += delta_x;
delta_x            98 usr/sample/balls/balls.c 			delta_x = -delta_x;