Need explanation about toGlobal and toLocal

[bali33]

Hi guys,

 

I'm a bit lost when it comes to compute/convert coordinates from one Sprite into another Sprite coordinates system using methods like toGlobal and toLocal. I think I need a a little help on this one in order to get all that stuff clear into my head.

 

Let's say I have a group with the following structure  - How can I compute Sprite C coordinates into Sprite E coordinate system for example ?

 

group G

|_Sprite A

|  |_Sprite B

|    |_Sprite C

|

|_Sprite D

  |_Sprite E

 

I would try something like : 

 

Sprite C.toLocal(new Phaser.Point(0,0),Sprite E));

 

But the result it's wrong so I guess this is not the way to do.

 

Thank you.

[Riddik]

Can anybody help this guy?

I need to transform the pointer position to the group's local. How I can use toLocal/toGlobal for this?

 

Usually I do through this:

 

var locX = globalX + group.x;

var locY = globalY + group.y;

 

But what can I do if the group has rotation and scale?

 

Upd:

Seems that I find the way:

var locPos = group.toLocal(pointer, group);