function isMouseOnInitBoard(pos){
    if(pos.x >= -70 && pos.x <= -20 &&
        ((pos.z >= 0 && pos.z <= 90))){
        return true;
    } else{
        return false;
    }
}
/**
 * Checks whether the mouse is on the initial board.
 * @param {Array} pos The coordinates of the mouse position in the scene.
 * return {boolean}.
 */
Checks whether the mouse is on the initial board.
@param {Array} pos The coordinates of the mouse position in the scene.
return {boolean}.
Checks whether the mouse is on the initial board . @param { Array } pos The coordinates of the mouse position in the scene . return { boolean } .
function isMouseOnInitBoard(pos){
    if(pos.x >= -70 && pos.x <= -20 &&
        ((pos.z >= 0 && pos.z <= 90))){
        return true;
    } else{
        return false;
    }
}
function isMouseOnInitBoard ( pos ) { if ( pos . x >= - 70 && pos . x <= - 20 && ( ( pos . z >= 0 && pos . z <= 90 ) ) ) { return true ; } else { return false ; } }
Checks whether the mouse is on the initial board.
Checks whether the mouse is on the initial board .