- glVertex2f( x*squareSize, y*squareSize );
- glVertex2f( (x+1)*squareSize, y*squareSize );
- glVertex2f( (x+1)*squareSize, (y+1)*squareSize );
- glVertex2f( x*squareSize, (y+1)*squareSize );
-
+ glVertex3f( (x+1)*squareSize, 0.0, (z+1)*squareSize );
+ glVertex3f( (x+1)*squareSize, 0.0, z*squareSize );
+ glVertex3f( x*squareSize, 0.0, z*squareSize );
+ glVertex3f( x*squareSize, 0.0, (z+1)*squareSize );