cassius Posted September 30, 2011 Share Posted September 30, 2011 Whats the best way to simulate the flame from a candle? Quote amd quad core 4 ghz / geforce 660 ti 2gb / win 10 Blender,gimp,silo2,ac3d,,audacity,Hexagon / using c++ Link to comment Share on other sites More sharing options...
macklebee Posted October 1, 2011 Share Posted October 1, 2011 are you asking what material to use or what command to use? an emitter of course and then just look at the firepit code for an example of the fire emitter... granted you can always use your own textures... Quote Win7 64bit / Intel i7-2600 CPU @ 3.9 GHz / 16 GB DDR3 / NVIDIA GeForce GTX 590 LE / 3DWS / BMX / Hexagon macklebee's channel Link to comment Share on other sites More sharing options...
LordHippo Posted October 1, 2011 Share Posted October 1, 2011 I think a high quality flame, pre rendered to an animated texture gets you the best result. Also you can combine that with a point light. Quote Ali Salehi | Programmer Intel Core i3 2100 @ 3.0GHz | GeForce GTS 450 | 4GB DDR3 RAM | Windows 7 Ultimate x64 LE 2.50 | Visual Studio 2010 | RenderMonkey 1.82 | gDEBugger 5.8 | FX Composer 2.5 | UU3D 3 | xNormal 3.17 Link to comment Share on other sites More sharing options...
cassius Posted October 1, 2011 Author Share Posted October 1, 2011 Thanks for replies. I tried an emitter but it didn't look right. Quote amd quad core 4 ghz / geforce 660 ti 2gb / win 10 Blender,gimp,silo2,ac3d,,audacity,Hexagon / using c++ Link to comment Share on other sites More sharing options...
Naughty Alien Posted October 2, 2011 Share Posted October 2, 2011 ..as lordhippo said..best way I was able to pull off (visually) was combination with captured, real candle flame, used as a animated texture on billboard and supported by point light..it does incredible job.. Quote Link to comment Share on other sites More sharing options...
macklebee Posted October 2, 2011 Share Posted October 2, 2011 i guess it depends on the scene and just how critical the candle look is... personally i always found it weird to see in some games the fire being the only thing that looks realistic... also seems like a lot of work for something that just might be a background item... but I would be curious to hear how you guys are creating animated textures ? a specific tool that you are using? how would you capture a real candle flame? i dunno... i guess i am doing something wrong because i thought this looked acceptable for what i needed... Quote Win7 64bit / Intel i7-2600 CPU @ 3.9 GHz / 16 GB DDR3 / NVIDIA GeForce GTX 590 LE / 3DWS / BMX / Hexagon macklebee's channel Link to comment Share on other sites More sharing options...
cassius Posted October 2, 2011 Author Share Posted October 2, 2011 That looks good enough for me. I think I will photograph a real candle. my camera has a macro setting, and use it as a texture. Quote amd quad core 4 ghz / geforce 660 ti 2gb / win 10 Blender,gimp,silo2,ac3d,,audacity,Hexagon / using c++ Link to comment Share on other sites More sharing options...
paramecij Posted October 2, 2011 Share Posted October 2, 2011 You can get same or even better results if you just "paint" the flame by hand.. it's not hard to do - just an oval shape or two filled with a nice gradient.. And a couple of frames of animation isn't a lot of work either. Here's an example of what can be made in less than a minute.. But if you want more smooth animation (and more realistic movement) then I think it's best to use procedural generated flame, there are numerous texture generators that can do this, or even more specialized tools (strictly for flame effects or particles in general).. You can also generate some nice effects (with particles or other plug-ins) in your favorite modeling package (3dmax, maya, etc..), pull the camera way back, narrow the FOV, and render out frames with perfect alpha channels... Capturing real fire and masking it out can be tricky, best bet is to shoot it against a black background I would imagine, or one can just use one of the many stock video options (there's also some free ones). I think I will photograph a real candle. my camera has a macro setting, and use it as a texture. Don't do this, my friend damaged his camera this way... You can just zoom in on the flame instead - it's better because you get more DOF and a more flattened perspective (both of which are good for textures) -- EDIT -- Just for fun I also tried making one from photos.. with black it's easy to mask out, but the more transparent blueish tint is hard to preserve.. Quote Link to comment Share on other sites More sharing options...
cassius Posted October 2, 2011 Author Share Posted October 2, 2011 usefull advice,Thanks all. Quote amd quad core 4 ghz / geforce 660 ti 2gb / win 10 Blender,gimp,silo2,ac3d,,audacity,Hexagon / using c++ Link to comment Share on other sites More sharing options...
Naughty Alien Posted October 3, 2011 Share Posted October 3, 2011 ..here are some relatively good looking candle animation frames, loopable..feel free to use it (as well as anyone)...no selling, of course ..I hope it helps.. http://www.mediafire.com/?5315aq7r525f5tv Quote Link to comment Share on other sites More sharing options...
cassius Posted October 3, 2011 Author Share Posted October 3, 2011 Thanks again. Take a look at it tommorow. Quote amd quad core 4 ghz / geforce 660 ti 2gb / win 10 Blender,gimp,silo2,ac3d,,audacity,Hexagon / using c++ Link to comment Share on other sites More sharing options...
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