examples/opengl/material.py

   1 #!/usr/bin/pyhthon
   2 # coding: utf-8
   3
   4 from OpenGL.GL import *
   5 from . import texture
   6
   7 '''
   8 Material
   9
  10 * 色
  11 '''
  12 class Material(object):
  13     def __init__(self, r, g, b, a):
  14         self.r=r
  15         self.g=g
  16         self.b=b
  17         self.a=a
  18
  19     def begin(self):
  20         glColor4f(self.r, self.g, self.b, self.a)
  21
  22     def end(self):
  23         pass
  24
  25     def onInitialize(self):
  26         pass
  27
  28     @staticmethod
  29     def create(src):
  30         m=material.Material(*src.col)
  31         return m
  32
  33
  34 '''
  35 Material
  36
  37 * 色
  38 * テクスチャー
  39 '''
  40 class MQOMaterial(object):
  41     def __init__(self, rgba):
  42         self.rgba=rgba
  43         self.texture=None
  44
  45     def begin(self):
  46         glColor4f(self.rgba.r, self.rgba.g, self.rgba.b, self.rgba.a)
  47         if self.texture:
  48             self.texture.begin()
  49
  50         # backface culling
  51         glEnable(GL_CULL_FACE)
  52         glFrontFace(GL_CW)
  53         glCullFace(GL_BACK)
  54         # alpha test
  55         glEnable(GL_ALPHA_TEST);
  56         glAlphaFunc(GL_GREATER, 0.5);
  57
  58     def end(self):
  59         if self.texture:
  60             self.texture.end()
  61
  62     def onInitialize(self):
  63         if self.texture:
  64             self.texture.onInitialize()
  65
  66     @staticmethod
  67     def create(src, basedir):
  68         m=MQOMaterial(src.color)
  69         if src.tex:
  70             m.texture=texture.Texture((basedir+'/'+src.tex).replace('\\', '/'))
  71         return m
  72