X-Git-Url: http://git.osdn.jp/view?a=blobdiff_plain;f=examples%2Fopengl%2Frokuro.py;h=e6b4c5366ba330df1d962731f72c4481293618fb;hb=909e9ce1deb21d4f1697ec18b4520e5e122dce92;hp=fd9eaffc33a055f17c0b3d000dc20c9dec629dad;hpb=a2aac66072e1037a90172a366f43beb5886cf245;p=meshio%2Fpymeshio.git

diff --git a/examples/opengl/rokuro.py b/examples/opengl/rokuro.py
index fd9eaff..e6b4c53 100644
--- a/examples/opengl/rokuro.py
+++ b/examples/opengl/rokuro.py
@@ -1,25 +1,31 @@
 #!/usr/bin/python
 # coding: utf-8
 
+import math
 from OpenGL.GL import *
 from OpenGL.GLU import *
 
 from . import baseview
 
 class RokuroView(baseview.BaseView):
-    def __init__(self, distance):
+    def __init__(self):
         super(RokuroView, self).__init__()
         self.w=1
         self.h=1
         self.head=0
         self.pitch=0
-        self.distance=distance
+        self.SHIFT_FACTOR=0.001
+        self.distance=100
         self.shiftX=0
         self.shiftY=0
         self.aspect=1
         self.n=1
         self.f=10000
 
+    def __str__(self):
+        return '<RokuroView shiftX: %f, shiftY: %f, distance: %f>' % (
+                self.shiftX, self.shiftY, self.distance)
+ 
     def onResize(self, w=None, h=None):
         super(RokuroView, self).onResize(w, h)
         self.aspect=float(self.w)/float(self.h)
@@ -31,8 +37,8 @@ class RokuroView(baseview.BaseView):
             self.distance*=0.9
 
     def shift(self, dx, dy):
-        self.shiftX+=dx
-        self.shiftY+=dy
+        self.shiftX+=dx * self.distance * self.SHIFT_FACTOR
+        self.shiftY+=dy * self.distance * self.SHIFT_FACTOR
 
     def rotate(self, head, pitch):
         self.head+=head
@@ -66,3 +72,17 @@ class RokuroView(baseview.BaseView):
             self.dolly(d)
             return True
 
+    def look_bb(self, min_v, max_v):
+        w=max_v[0]-min_v[0]
+        h=max_v[1]-min_v[1]
+        long_side=max(w, h)
+        def deglee_to_radian(deglee):
+            return math.pi*deglee/180.0
+        d=long_side/math.tan(deglee_to_radian(30)) * 1.5
+        self.distance=min_v[2]+d
+        cx=min_v[0]+max_v[0]
+        cy=min_v[1]+max_v[1]
+        self.shiftX=-cx/2.0
+        self.shiftY=-cy/2.0
+        print(self)
+