Are there any way to change a mesh completely into light? If then are there a way to give it multiple colors.
Any render engine will work
thanks
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3 Answers
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Not sure this is exactly what you mean but you if you want a shader only approach, try something like this. Lights in Cycles are just Emission objects anyway.
answered Feb 1, 2021 at 2:21
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$\begingroup$ That's exactly what I am looking for! $\endgroup$– leanCommented Feb 1, 2021 at 2:32
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Note that if you use Eevee, the object won't emit light around it unless you use a Light Probe > Irradiance Volume. In that case you need to put the light probe where you want the scene to be affected, tweak the settings in the light probe object data settings, and in the Properties panel > Render > Indirect Lighting, press on the Bake button. Now the object emits light around it:
Another way would be to add a light Point at the same location in order to fake the emission around the object, in that case make sure that the light Radius is large enough:
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Use an emission shader,
or in the Pincipled BSDF shader use the Emission color and Emission strength.
For multiple colors use a texture and plug it to the color socket of either shader.
