blob [surface-desc] thresh strength1 radius1 x1 y1 z1 [strength2 radius2 x2 y2 z2 . . . . ]This is, in my opinion, rayshade's strangest primitive! It consists of one or more meta-balls (spheres), which, depending on the other parameters, are linked.
Figure 2-1
/* blob
Stephen Peter
21 may 94
*/
eyep 5.0 -12 5.0
lookp 3.0 0 3.0
screen 400 400
light 1 point 8 -4 7
background .9 .9 .9
surface shiny
ambient .2 .2 .1
diffuse .3 .3 .9
specular .3 .3 .3
reflect .3
blob shiny .25
1 2 0 0 0
2 2 3 0 0
3 2 6 0 0
0.5 2.5 0 0 3
1 2 3 0 3
2 2 6 0 3
2 2 0 0 6
0.5 3 3 0 6
1 2 6 0 6
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THE END - Notes on Rayshade - 2 - Rayshade Primitives