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Isometric projection angles...


Milton
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Hi everyone. I'm trying to create a 2D spinning ball, but in Isometric projection.

I'm using the following code:
http://www.angryoctopus.co.nz/java4k/PoolTest.html
which seems to work fine for top down view. (If Java doesn't work for you, this is my HTML5 test: Pool Press X to toggle aXes display.)

pool.gif

Now I try to use this same code for my Isometric engine. So I rotate by 45 and 30 (yaw/pitch).
It seems to work fine, as long as my ball's axes are World axes aligned.

correct.gif

 

If they're not, I'm not sure what is happening.

wobble.gif

 

Also, when I rotate my view, what would be the correct rotation?

rotateview.gif
 

Spindizzy (Canvas)
Spindizzy (WebGL)

Press H for help. (A Aabb,  W Wireframe, X aXes, 1/2 Rotate).

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