POV-Ray : Newsgroups : povray.binaries.images : Glows n Blobs (35KBbu) - colblob2001_1.jpg Server Time
18 Aug 2024 20:17:29 EDT (-0400)
  Glows n Blobs (35KBbu) - colblob2001_1.jpg (Message 1 to 3 of 3)  
From: Justin Whitton
Subject: Glows n Blobs (35KBbu) - colblob2001_1.jpg
Date: 4 Mar 2001 10:25:05
Message: <k4n4at0jl9ebbif93g7iqfk5m821opk9c4@4ax.com>
Still from an animation posted in p.b.a.
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 \/  \ Justin Whitton                          /  \/
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From: David Fontaine
Subject: Re: Glows n Blobs (35KBbu) - colblob2001_1.jpg
Date: 4 Mar 2001 13:37:36
Message: <3AA28AC2.2E67EF78@faricy.net>
I had to go check out the animation. Sweet! You have the motion
calculations down well, it looks very natural.

--
David Fontaine  <dav### [at] faricynet>  ICQ 55354965
My raytracing gallery:  http://davidf.faricy.net/


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From: Justin Whitton
Subject: Re: Glows n Blobs (35KBbu) - colblob2001_1.jpg
Date: 4 Mar 2001 14:42:58
Message: <dc65atku3evdsurlg9pdak2laun59r4jth@4ax.com>
On Sun, 04 Mar 2001 12:34:42 -0600, David Fontaine <dav### [at] faricynet>
wrote:
>I had to go check out the animation. Sweet! You have the motion
>calculations down well, it looks very natural.

Just a blob and bit of variable (but regular) rotation.

blob {
	threshold 0.9
	#local jwrb=seed(42);
	#local bc = 0;
	#while (bc < 50)
		#local col =
vrotate(vrotate(<0,1,0>,z*(bc*(120/48)+30)),y*bc*(720/48));
		#local rotdir =
y*cos((mod(frame_number+bc,120)/120)*2*pi);
		#local sc  = 0;
		#while (sc <3.5)
			sphere { col*sc (1-(sc/4))/2 1
				rotate rotdir*(sc*10)
				pigment { rgb col/2+0.5 }
				finish {
					diffuse 0.6
					reflection 0.2
					specular 0.2
					metallic
					ambient 0
				}
			}
			#local sc = sc +(0.4-sc/10)/2;
		#end
		#local bc = bc +1;
	#end
}

glows where calculated using a similar method. (Uses frame_number so
needs MegaPov, you could modify it to use clock if you've only got
vanilla Pov.)

It's only now as I'm rendering the 640x480 animation version that I
realise two of the arms/tendrils don't have glows. :-(
_  __                                           __  _
 \/  \ Justin Whitton                          /  \/
_/\__/ mail: jus### [at] rayjayclaracouk \__/\_
 \/  \ web: www.rayjay.clara.co.uk             /  \/
_/\__/\MSN Messenger ID:msn### [at] rayjayclaracouk/\__/\_


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