RPG Maker Forums

Would anyone have the right math formula to calculate the zoom in rpg maker mv?
I need one based on the mouse position.


PHP:
const SM_S = SceneManager._scene;
const mapZoom = SM_S._spriteset._tilemap.scale;
PHP:
    function wheel_(event) {//TODO: zoom system
        if(event.wheelDeltaY>0){
            mapZoom.x+=0.05;
            mapZoom.y+=0.05;
            $gameMap._displayX+=0.05
            dX+=0.05;
        }else{
            mapZoom.x-=0.05;
            mapZoom.y-=0.05;
            $gameMap._displayX-=0.05
            dX-=0.05;
        }
    };
thank

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