Is there a way to render the hidden faces of the cube to the framebuffer? (The sides that are not visible from my current perspective)

I am currently working on implementing volume rendering in WebGL using the Three.js library. While I have experience with pure WebGL, I'm facing challenges finding a similar approach in Three.js.

Here are the issues at hand:

1) How can I render the hidden back faces of a bounding box (in this case, a cube) to a framebuffer?

2) Is there a way to only draw the front face of the bounding box?

Thank you for any help in advance :-) I'm struggling to figure out how to achieve this with Three.js. If it's not possible, I will resort to using pure WebGL, although I prefer keeping my solution clean without mixing libraries.

Many thanks once again :-)

javascriptthree.jswebgl

Answer №1

To choose between front-face or back-face culling, use the following code:

renderer.setFaceCulling( THREE.CullFaceFront );

renderer.setFaceCulling( THREE.CullFaceBack );

This is applicable for three.js version r.55

Answer №2

Resolution:

To adjust the renderer, use this code:

renderer.setFaceCulling("front");

OR

renderer.setFaceCulling("back");

A huge thank you to WestLangley for their assistance.

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