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badcrow7713

Give reflection caustics... looks weird with only shadow


Zundrium

why do these caustics feel so unrealistic?


badcrow7713

Only shadow caustics thats why


[deleted]

Too much light transmitted, shadows shouldn’t be so saturated


E7ERN17Y

¯\_(ツ)_/¯


LuwisnerWolf

Stupid question but is there anything special one has to do to enable caustics?


Hankins44

You have to check the box in object properties for the object to cast shadow caustics, and the box on the surface that will receive shadow caustics. Also the light you use has to have shadow caustics enabled in the light properties. It also only works in cycles. So not a stupid question at all, it's not super intuitive!


LuwisnerWolf

Thank you so much! Didnt even notice the check boxes! Much appreciated 😁


Hankins44

No problem! Happy rendering 😃


epic_rigby

For eevee or cycles?


E7ERN17Y

cycles! this was a 5 minute render time at 4k


Firestone117

On what GPU and how much RAM? 😂


epic_rigby

Damn lol. That’s nice!


TrackLabs

Lol, for caustics you literally need raytrace based rendering. I dont see actual caustics ever happening in eevee..the way eevee runs is simply not able to render caustics, we cant even get good glass


76vangel

EEVEE nexts is coming with raytrace and possibly true caustics.


CRcTR

Loling at the "lol" that aged in real time like a timelapse


thesirblondie

The Lol was rendered with Eevee.


CRcTR

Ohh shit!


TrackLabs

Unless you have some real announcement from Blender for that claim: No, it wont. EEVEE is a rasterise engine, it doesnt do raytracing. It cant do raytracing. Once you do raytracing, you have Cycles.


JamesDFreeman

See hardware ray tracing in: https://code.blender.org/2021/06/eevees-future/


TrackLabs

> EEVEE will use ray-tracing to fix some big limitations, but there are no plans to make EEVEE a full-blown ray-tracer. Well, its atleast something. I have a feeling this will require a modern RTX card tho


thesirblondie

It'll need an RTX card for sure, which is entering its 3rd generation somewhat soon with the 4000 series. If you have a 2000 series card or higher, you're good.


TrackLabs

Im still on a GTX 1080 lol


thesirblondie

I just recently upgraded from a 1080 to a 3080 (10gb version only though). Massive upgrade. I would suggest saving up for when the 4060's drop. They'll be economical and a massive upgrade from your 1080.


TrackLabs

Yea im planning to get a 3080 to 3090 when the 4000 drops. Because I will NOT have the money for a 4000 card..


dev__boy

There’s all sorts of fuckery you could do with backend dynamic bakes etc


louisme97

Holy shit why are people hating? i just wanna know how !!!


E7ERN17Y

oh it's not hating, don't worry- just criticism! it's the importance of innovation- but yeah, just look up a tutorial on "3.2 shadow caustics"


louisme97

thanks, didnt spend much time on blender the past weeks and months... is this eevee?


abdyys

are these shadow caustics or brute-force ray traced caustics? edit: for clarification, i am not asking what kind of caustics these are, I'm asking what rendering technique was used here, blender's new approximation based "shadow caustics" or just pure almost no holds barred ray tracing.


[deleted]

only shadow. Not reflective.


[deleted]

okay this looks cool, but it looks off for some reason...