Rendering学習日記

さらに参考にしながら、いじってみる。
http://agata.ciao.jp/graphic/tips/chapter3.html
rotate<0,30,-60>とある部分の順番がわからない。
とりあえず、適当。
ありがとうございます。

#kaiten3.pyg

from math import *



Output ("kaiten3.tif", "tiff", "rgb", "camera", "float gain",

 1, "float gamma", 1, "string filter", "gaussian", "float[2] filterwidth", (2, 2))

Attribute ("float shadingquality",1.2)

Attribute ("string projection", "perspective")

Attribute ("float fov", 45)

Attribute ("int[2] resolution", (640, 480))

#placecam 10 5 -10 0 0 0

Rotate (-19.47, 1.00, 0.00, 0.00)

Rotate (45.00, 0.00, 1.00, 0.00)

Translate (-10.00, -5.00, 10.00)



Attribute ( "int ray:shadows", 1 )

Attribute ("string geometryset", "+shadows")

Attribute ("string geometryset", "+reflection")



World ()

Light ("light1", "pointlight", "float intensity", 400, "point from", (-10, 10, -10),"string shadowname", "shadows")

Light ("light2", "pointlight", "float intensity", 400, "point from", (10, 10, -10),"string shadowname", "shadows")



PushTransform ()

Attribute ("color C", (0.2, 0.4, 0.75))

Sphere (100, -100, 100, 360)

PopTransform ()



N1=32

N2=8

K=1

while K<=N2:

    J=1

    while J<=N1:

        PushTransform ()

        Attribute ("color C", (0.5*(1+sin(2*pi/N1*J)),0.5, 0.5*(1+cos(2*pi/N1*J))))

        Shader ( "surface", "plastic")

        Translate (0,1,0)

        Rotate (30, 0, 1, 0)

        Rotate (-60,0, 0, 1)

        Rotate (360/(N2*N1)*(K*N1+J),1,0,0)

        Translate (0,0,5)

        Rotate (360/N1*J, 0, 1, 0)

        Translate ( 2, 0.5, 0)

        Sphere (0.2, -0.2, 0.2, 360)

        PopTransform ()

        J+=1

    K+=1



Attribute ("color C", (1, 1, 1))

Rotate (90.00, 1.00, 0.00, 0.00)

ShaderGroupBegin ()

Shader ("surface", "checker","layer1","float stilesize", .1, "float ttilesize", .1)

Shader ("surface", "shinyplastic","layer2")

ConnectShaders ("layer1", "Cout", "layer2", "C")

ShaderGroupEnd ()

Input("PlaneGeom.rib")

Render()

Rotate (-60, 0, 0, 1)
Rotate (30, 0, 1, 0)
順番を入れ替えてみた。



ありがとうございます。

本来ならば、コンバータをつくればよいのだろうが、
ここはcgkitを使ってobjをribに変換した。
cgkitでは、
>render.py -rレンダラ hogehoge.obj
とやると、指定のレンダラでレンダリング、geomフォルダができて
その中に、ribが生成される。これをgelatoに読み込んでみた。

このobjでは法線ベクトルがないので、カクカクしている。

#cha0.pyg

Output ("cha01.tif", "tiff", "rgb", "camera", "float gain", 1, "float gamma",

 1, "string filter", "gaussian", "float[2] filterwidth", (2, 2))

Attribute ("string projection", "perspective")

Attribute ("float fov", 20)

Attribute ("int[2] resolution", (640, 480))

#placecam 10 5 -10 0 0 0

Rotate (-19.47, 1.00, 0.00, 0.00)

Rotate (45.00, 0.00, 1.00, 0.00)

Translate (-10.00, -5.00, 10.00)



Attribute ("string geometryset", "+shadows")



World ()

Light ("light1", "pointlight", "float intensity", 350, "point from", (-10, 10, -10),"string shadowname", "shadows")

Light ("light2", "pointlight", "float intensity", 350, "point from", (10, 10, -10),"string shadowname", "shadows")



PushTransform ()

Attribute ("color C", (1, 1, 0.9))

Shader ("surface", "veinedmarble")

Scale (20,20,20)

Translate ( 0, 0, 0)

Input ("chawan.rib")

PopTransform ()



Attribute ("color C", (1, 1, 1))

Shader ("surface", "plastic")

Rotate (90.00, 1.00, 0.00, 0.00)

Input("PlaneGeom.rib")

Render()