Hi, I´m having a problem that may be trivial, or due to my lack of knowing Threejs… The problem: I have a Sprite (billboard) and a sphere. I made a fiddle for that: https://jsfiddle.net/blackInk/kq9pu3hr/ Those two should keep the same kinda distance so that there is always the same black gap b…

That’s just normal behavior caused by perspective. I drew a diagram explaining it. [spritePerspective] You’re not doing anything wrong, but you might want to consider a different approach. You could scale the sprite up as the camera gets closer You could draw another sphere on top of the blue on…

I would choose the second approach :slight_smile:

Here’s option 3: You could move the sprite closer to the camera, about halfway the radius of the sphere. You’ll still get some perspective distortion, but it’ll be less noticeable. See this fiddle: https://jsfiddle.net/kq9pu3hr/16/ Here’s the relevant code I updated: var camera, scene, renderer,…

Related: [kyeno] three.js outer glow for sphere object? javascript, 3d, three.js, webgl asked by kyeno on 12:59AM - 29 Apr 13 UTC

Thx for the tip @marquizzo , but I think your former solutions (I think I found some entries of yours and @prisoner849 about “glow”)

Constant distance between sprite and sphere

Questions

blackInk October 12, 2018, 8:26pm 4

Thx for replying,

I’m already up for the 2nd approach - but programming shader, well, thats unfortunately some really new to me. Not to say leaving my comfort zone bigtime…

Any advice will help!

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Constant distance between sprite and sphere

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