Q109：用PBRT渲染Blender导出的模型（3）

前续：
Q109：用PBRT渲染Blender导出的模型
Q109：用PBRT渲染Blender导出的模型（2）

这里只是小编自己练习用Blender建模的笔记。

参考：Sebastian Lague做的“卡通人物从建模到动画”系列视频。
视频可以在优酷上找到：
http://v.youku.com/v_show/id_XMTkwOTM3OTcyNA==.html?f=29119101&spm=a2hzp.8244740.0.0
也可以在这里找到：
http://blendershare.com/how-to-model-texture-and-rig-a-simple-character-in-blender/

理论部分和“前续”中类似，后面主要是小编看视频学习时做的笔记。还有就是，将模型导出后，用PBRT渲染时的脚本机器输出图形。

笔记

PBRT脚本

#sharp.pbrt -- a simple pbrt input file that displays a cone, sphere
#              and refletive plane
#Richard P. Sharp - CIS782 Fall 2004

#first we set up the eye
LookAt 1 4 10   0 1 -3  0 1 0 #ex ey ez lx ly lz ux uy uz

#the camera
Camera "perspective" "float fov" [30]

#this is the filter used for antialiasing
PixelFilter "mitchell" "float xwidth" [2] "float ywidth" [2]

#name the file
Film "image" "string filename" ["character.exr"]
     "integer xresolution" [400] "integer yresolution" [400]


Sampler "sobol" "integer pixelsamples" [64]

Integrator "directlighting"


#begin describing scene
WorldBegin

#light source
AttributeBegin
  CoordSysTransform "camera"
  LightSource "distant" 
              "point from" [-0.2 0 0] "point to"   [0 0 1]
              "color L"    [3 3 3]
AttributeEnd

#transform the world
AttributeBegin
  Translate 0 -1 0
  Rotate 35 0 1 0


  #define hair
  AttributeBegin
    Scale 0.3 0.3 0.3
    Translate 1.5 7.5 -1.5
    Rotate -45 0 1 0

    Material "plastic" "color Kd" [0 1 0] "color Ks" [.5 .5 .5]
        "float roughness" [.025]

    Shape "plymesh" "string filename" "geometry/mesh_00001.ply" 
  AttributeEnd


  #define hat
  AttributeBegin
    Scale 0.3 0.3 0.3
    Translate 1.5 7.5 -1.5
    Rotate -45 0 1 0

    Material "plastic" "color Kd" [1 1 0] "color Ks" [.5 .5 .5]
        "float roughness" [.025]

    Shape "plymesh" "string filename" "geometry/mesh_00002.ply" 
  AttributeEnd


  #define child
  AttributeBegin
    Scale 0.3 0.3 0.3
    Translate 1.5 7.5 -1.5
    Rotate -45 0 1 0

    Material "plastic" "color Kd" [1 0 0] "color Ks" [.5 .5 .5]
        "float roughness" [.025]

    Shape "plymesh" "string filename" "geometry/mesh_00003.ply" 
  AttributeEnd



  #define a reflective ground plane
  AttributeBegin
    Scale 20 20 20

    Material "matte" "color Kd" [0.1 1 1]

    #this is a triangle mesh, the first set of points define four xyz 
    #coordinates, the second set defines the mesh by indexing into
    #those points
    Shape "trianglemesh" "point P" [ -1 0 -1  1 0 -1  1 0 1  -1 0 1 ]
      "integer indices" [ 0 1 2 2 3 0 ]
  AttributeEnd

AttributeEnd
WorldEnd

输出图形

45度角：

90度角：

最后贴出原参考图片：（这两张图片是原作者的）