How to make a glowing sphere?

@n3a9 wrote:

I came across this glowing sphere that someone made in OpenFrameworks, and was really curious as how I could do this. I read a lot about it, and I’m completely inexperienced with OpenGL and shaders so I didn’t do any of that.

So far, all I have is:

ofEnableAlphaBlending();
ofSetColor(255,0,0,127);
ofDrawSphere(position.x, position.y, position.z, radius);

which creates a transparent red sphere. Does anyone have any ideas on how to do this or references I could look through? Thank you so much!

good.png1581×1197 125 KB

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