int gridy = int(y / cell_height);
if(gridx < 0 || gridy < 0
|| gridx >= int(cells_x) || gridy >= int(cells_y)) {
int gridy = int(y / cell_height);
if(gridx < 0 || gridy < 0
|| gridx >= int(cells_x) || gridy >= int(cells_y)) {
int gridy = int(y / cell_height);
if(gridx < 0 || gridy < 0
|| gridx >= int(cells_x) || gridy >= int(cells_y)) {
int gridy = int(y / cell_height);
if(gridx < 0 || gridy < 0
|| gridx >= int(cells_x) || gridy >= int(cells_y)) {
int gridy = int(y / cell_height);
if(gridx < 0 || gridy < 0 ||
gridx >= int(cells_x) || gridy >= int(cells_y)) {
int gridy = int(y / cell_height);
if(gridx < 0 || gridy < 0 ||
gridx >= int(cells_x) || gridy >= int(cells_y)) {
int gridy = int(y / cell_height);
if(gridx < 0 || gridy < 0
|| gridx >= int(cells_x) || gridy >= int(cells_y)) {
int gridy = int(y / cell_height);
if(gridx < 0 || gridy < 0
|| gridx >= int(cells_x) || gridy >= int(cells_y)) {
int gridy = int(y / cell_height);
if(gridx < 0 || gridy < 0
|| gridx >= int(cells_x) || gridy >= int(cells_y)) {
int gridy = int(y / cell_height);
if(gridx < 0 || gridy < 0
|| gridx >= int(cells_x) || gridy >= int(cells_y)) {