116 	float dirX;  in wander()  local
122 		if (self->dirX == 0)  in wander()
124 			self->dirX = self->speed * (prand() % 2 == 0 ? -1 : 1);  in wander()
131 			self->dirX = 0;  in wander()
149 	if (self->dirX < 0)  in wander()
154 	else if (self->dirX > 0)  in wander()
159 	dirX = self->dirX;  in wander()
161 	if (self->dirX != 0 && isAtEdge(self) == 1)  in wander()
163 		self->dirX = 0;  in wander()
168 	if (self->dirX == 0 && dirX != 0)  in wander()
172 		self->dirX = -dirX;  in wander()
187 		self->dirX = self->target->x < self->x ? -self->speed : self->speed;  in moveToFood()
189 		self->face = (self->dirX < 0 ? LEFT : RIGHT);  in moveToFood()
191 		if (self->dirX != 0 && isAtEdge(self) == 1)  in moveToFood()
193 			self->dirX = 0;  in moveToFood()
263 	self->dirX = self->speed;  in creditsMove()
267 	if (self->dirX == 0)  in creditsMove()