Hello all. I’m hoping to get help with projecting (casting?) a shape onto a plane where every 3D object in the scene is located. I thought about using shadows, but the objects are above and below the plane so casting shadows probably won’t be a viable option. Luckily I ran into this example by pri…

I created a new codepen, based on my initial one:

Wow… Thank you so much! This looks almost exactly like what I want. I really appreciate it!

Is there any way the green color could be variable depending on some value ? I’m working on displaying different colors to a mesh from a data set and a legend. I can’t figure out an optimized way to do this.

Can the projections in the WebGLRenderTarget example be resized, or are they directly based on the sizes on the spheres?

Is there a way to set a THREE.Group as the uniforms marker, or does it have to be an array?

Sorry, I didn’t get what you mean. More details? Explanatory pics?

Sorry about that. What I mean is that I want to apply the 2D projection to something like this In this example the objects are in a group (in this case, testGroup). I was initially going to add a raycaster to this example, but decided not to so a group was the easiest way to go. I am wondering if t…

What type the uniform has to be, if you want to pass THREE.Group into it? :thinking:

2D shape projection on Plane where 3D objects are positioned

Questions

prisoner849 March 24, 2023, 1:31pm 3

Also tried it with WebGLRenderTarget: https://codepen.io/prisoner849/pen/abaPymQ

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2D shape projection on Plane where 3D objects are positioned

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