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multimaterial textures rotated on cube faces


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Hello,

I have started using Babylon.js yesterday and i was playing around a bit, i wanted to make a cube with different textures for each face (well, to be precise it will have a different texture for top and bottom, then the same texture for all the sides) but when i do that with some code i found on this forum ( http://www.html5gamedevs.com/topic/12392-having-different-textures-for-each-face-on-a-cube/ ), the textures are rotated into different directions for each couple of faces (top-bottom, front-back, left-right).

 

You can see that here:  http://www.babylonjs-playground.com/index.html#1QKKTU#2 the texture is supposed to have the yellow lines at the sides, the black thingie on the left and the blue dot in the bottom-right corner http://www.babylonjs-playground.com/textures/misc.jpg (used the one from materials playground sample).

I have also noticed that when using the the "invertY" parameter on front and back this happens:

 

- No parameters set

Front flipped horizonatlly and vertically, back normal

 

- Front: false Back: false

Front flipped horizontally, back flipped vertically

 

- Front: true Back: false

Front flipped horizonatlly and vertically, back normal

 

- Front: false Back: true

Front flipped horizonatlly, back flipped vertically

 

- Front: true Back: true

Front flipped horizonatlly and vertically, back normal

 

 

Now, did I do something wrong/didn't understand how it works (I admit i just copy/pasted the code for multimaterial texture) or is this the expected behavior? 

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Other than changing UV for every vertex you can also use the wAng property to rotate a texture. This is an example where all the textures are shown to the camera in the same direction as if you were watching the 2d image from which the texture is generated (black thingie on the left, blue dot bottom right) : http://www.babylonjs-playground.com/index.html#1QKKTU#4

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