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				frozen material transition
				
Posted: 
Tuesday, 13.May 2014, 15:55 
				by ikam
				Yop
In the same spirit than the previous dissolve snippet, a custimized shader to achieve material transition  :

 
			 
			
		
			
				Re: frozen material transition
				
Posted: 
Tuesday, 13.May 2014, 16:37 
				by Skinnytorus
				Really cool! You also changed the shader reflection model!  
 I wish this could be done with ops without extra coding...  Possible solution might be to use Aux, but it's a bit different...  

  Still trying  
](./images/smilies/eusa_wall.gif)
 
			 
			
		
			
				Re: frozen material transition
				
Posted: 
Tuesday, 13.May 2014, 18:33 
				by ikam
				You also changed the shader reflection model! 
what do you mean ?
Possible solution might be to use Aux
Yes maybe, but I think it is easiest with shader code :p, you have access to all map you want to mix (specular, normal, emissive...)
 
			 
			
		
			
				Re: frozen material transition
				
Posted: 
Tuesday, 13.May 2014, 18:37 
				by Skinnytorus
				what do you mean ?
The initial material is not reflective (lambert) and the ice has reflections (phong).
Yes maybe, but I think it is easiest with shader code :p, you have access to all map you want to mix (specular, normal, emissive...)
It's always easier to code something if you know how to do that 

 
			 
			
		
			
				Re: frozen material transition
				
Posted: 
Tuesday, 13.May 2014, 19:05 
				by ikam
				yes, the initial material is not mixed with the phong, and the second yes (and normal map too)
			 
			
		
			
				Re: frozen material transition
				
Posted: 
Tuesday, 13.May 2014, 20:26 
				by ikam
				snow test.
I don't remmber how to drop particles on a surface, any idea ?
			 
			
		
			
				Re: frozen material transition
				
Posted: 
Tuesday, 13.May 2014, 20:47 
				by ikam
				test with placeonmesh...

 
			 
			
		
			
				Re: frozen material transition
				
Posted: 
Tuesday, 13.May 2014, 20:57 
				by Skinnytorus
				Using SPH is the first thing that comes to mind. As I can see, Colliders behave weird when the source of the particles is bigger than them...
			 
			
		
			
				Re: frozen material transition
				
Posted: 
Tuesday, 13.May 2014, 21:02 
				by Skinnytorus
				Yeah! Cool stuff, man 

. I wish that every cube could show different snow pattern...
 
			 
			
		
			
				Re: frozen material transition
				
Posted: 
Tuesday, 13.May 2014, 21:11 
				by ikam
				good idea with sph, thanks.
yes I tried to random pattern of every cube, but they seems to use the same material instance...
			 
			
		
			
				Re: frozen material transition
				
Posted: 
Tuesday, 13.May 2014, 21:17 
				by Skinnytorus
				By the way, Const can use instances, but I can't figure how to use that to any advantage...
			 
			
		
			
				Re: frozen material transition
				
Posted: 
Tuesday, 13.May 2014, 22:21 
				by ikam
				frozen logo
			 
			
		
			
				Re: frozen material transition
				
Posted: 
Tuesday, 13.May 2014, 22:39 
				by Skinnytorus
				I like that one. I would choose some other font though 

 You can as well create a realistic snow cover by using Marching Cubes. Metaball POWER!!! 

)
 
			 
			
		
			
				Re: frozen material transition
				
Posted: 
Wednesday, 14.May 2014, 10:45 
				by CybeREX
				Really cool effect! And name for demo - Frozen 

PS. ikam can do snowflake with only one text operator 

 
			 
			
		
			
				Re: frozen material transition
				
Posted: 
Wednesday, 14.May 2014, 17:33 
				by ikam
				PS. ikam can do snowflake with only one text operator 

yes, symbols poweer. You can even make mesh with text3d 

, try to copy past that : ☻ ☺