Function globalToLocal

globalToLocal(x: number, y: number, v?: Vector2d): Vector2d
Translate the specified x and y values from the global (absolute) coordinate to local (viewport) relative coordinate.
Parameters
- x: number
  the global x coordinate to be translated.
- y: number
  the global y coordinate to be translated.
- Optionalv: Vector2d
  an optional vector object where to set the translated coordinates
Returns Vector2d
A vector object with the corresponding translated coordinates
Memberof
input
Example
```
onMouseEvent : function (pointer) {
   // convert the given into local (viewport) relative coordinates
   let pos = me.input.globalToLocal(pointer.clientX, pointer.clientY);
   // do something with pos !
};
```
- Defined in packages/melonjs/src/input/pointerevent.js:592