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):
  42         self.rgba=(0, 0, 0, 0)
  43         self.vcol=False
  44         self.texture=None
  45
  46     def begin(self):
  47         glColor4f(*self.rgba)
  48         if self.texture:
  49             self.texture.begin()
  50
  51         # backface culling
  52         glEnable(GL_CULL_FACE)
  53         glFrontFace(GL_CW)
  54         glCullFace(GL_BACK)
  55         # alpha test
  56         glEnable(GL_ALPHA_TEST);
  57         glAlphaFunc(GL_GREATER, 0.5);
  58
  59     def end(self):
  60         if self.texture:
  61             self.texture.end()
  62
  63     def onInitialize(self):
  64         if self.texture:
  65             self.texture.onInitialize()
  66
  67     @staticmethod
  68     def create(src, basedir):
  69         m=MQOMaterial(src.color)
  70         if src.tex:
  71             m.texture=texture.Texture((basedir+'/'+src.tex).replace('\\', '/'))
  72         return m
  73