In a nutshell, I need to use a specific projection in the rendering process
that is NOT a 4x4 projection matrix (it is instead a very large rational
poloynomial). It would be great if there was a View.projectionMethod(...)
that I could override, but there isn't. I have been looking high and low for
a way to do this.
My first step is to approximate my projection with a 4x4 matrix, and could
use it like so:
View.setCompatibilityModeEnable(true)
View.setLeftProjectionMatrix(myApproximation)
This might work but limits me.
Another line of thought I had was to use immediate mode rendering and get to
the lowest level of rendering I could: override Canvas3D.renderField()
inside which I could use Canvas3D.getGraphicsContext3D()... but it looks
like I can't control GraphicsContext3D.draw(Shape3D) without basically
implementing my own renderer anyway. And it looks like the GraphicsContext3D
is not intended to be subclassed anyway. Without looking at the j3d code, I
suppose it uses projection abilities from View, and I can't subclass View to
use a custom projection (as mentioned above).
Any thoughts on how to work around this?
- Can I subclass View somehow to do this?
- Or get the rendering thread somehow to use a custom projection, not a 4x4
projection matrix?
- Or has the Java3D source code ever been released that I could make my own
extension?
- Or is this hopeless and I should submit an RFE and be on my way?
Any help is greatly appreciated!
Thanks! :)
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