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Convert global coordinates to local coordinates


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Given a vector expressed in global space and a mesh, how can I get the position of this vector within a mesh local space?

Or, alternatively, how can I get a parent position within a child local space?



Just figured it out... It is simply vector.subtract(Mesh.getAbsolutePosition()), right? 



Ok it's not... Because it doesn't take in account the mesh rotation. 

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  • 2 years later...

Hello !

This is very useful for those who want to transform a vector into a mesh's space.  But I don't know why you use Matrix.InvertToRef.

I understand better this function :

       var vector = new BABYLON.Vector3(100,0,0);
        var m = mesh1.getWorldMatrix();
        var v = BABYLON.Vector3.TransformCoordinates(vector, m);
       mesh2.position = v;



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  • 1 year later...

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