Broken Glass
By Juan José Torres.
Author
Bart
I have a LONG history with Blender - I wrote some of the earliest Blender tutorials, worked for Not a Number and helped run the crowdfunding campaign that open sourced Blender (the first one on the internet!). I founded BlenderNation in 2006 and have been editing it every single day since then ;-) I also run the Blender Artists forum and I'm Community Lead at n8n.
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Questions:
Firstly is this image made using:
a.) The shatter simulator
b.) Fluid simulation
c.) Both a & b
d.) None of the above
If just a then what is the water made of?
if just b then how did you get the glass shards?
if c then did you get the pieces to interact with the fluid and vise versa or do they not interact at all with each other?
if d then How was this scene made?
LOL. So many questions…:-) I’ll do my best to answer them.
If by shatter simulator you mean the fracture add on and bullet physics in the game engine, the answer to your first question would be C.
As to the way they interact:
1) The glass explosion is first simulated and recorded using the Blender game engine.
2) The shards in the resulting scene are then turned into fluid obstacles.
3) Setup the fluid domain and fluid, inflow or control objects and bake fluid simulation.
Given this setup, fluid reacts to shards, but shards do not react to fluid, so you must plan carefully beforehand what the possible behavior of solid obstacles might be once the fluid starts.
This is all apparently simple, but you have to take two things into consideration:
1) If you have too many moving obstacles in your fluid simulation, Blender will stop baking for no reason whatsoever.
2) If you want a realistic looking fluid and turn on subdivision particles, you will be in for one wild ride. Lots of random behavior and artifacts are to be expected then in your fluid simulation, forcing you to make several attempts before getting everything to work right.
If you are further interested in this, you can check this thread in blenderartists where I posted other versions of this render:
http://blenderartists.org/forum/showthread.php?242822-Broken-Glass-series-the-happy-offshoot-of-a-%28more-or-less%29-failed-simulation
Or this other thread were I posted a short animation based on this scene:
http://blenderartists.org/forum/showthread.php?245729-Exploding-Glass-Blender-fluid-amp-physics-interaction