X-Git-Url: http://git.osdn.jp/view?a=blobdiff_plain;f=examples%2Fopengl%2Fvertexarray.py;h=b9dee7b8bb0e4b08751e6b67e0be765d0d295aee;hb=HEAD;hp=1c3b502cc86334436a2a16460246e2c6cda7b9d2;hpb=ea48ac6ecdd69a4c3e033195d2da8f7e260370dd;p=meshio%2Fpymeshio.git

diff --git a/examples/opengl/vertexarray.py b/examples/opengl/vertexarray.py
index 1c3b502..b9dee7b 100644
--- a/examples/opengl/vertexarray.py
+++ b/examples/opengl/vertexarray.py
@@ -61,6 +61,29 @@ class VertexArrayWithUV(object):
         glDisableClientState(GL_TEXTURE_COORD_ARRAY)
         glDisableClientState(GL_VERTEX_ARRAY)
 
+    def get_boundingbox(self):
+        vertices_size=len(self.vertices)
+        if(vertices_size==0):
+            return ([0, 0, 0], [0, 0, 0])
+        def vertex_gen_factory():
+            for i in range(0, vertices_size, 3):
+                yield [
+                        self.vertices[i],
+                        self.vertices[i+1],
+                        self.vertices[i+2]
+                        ]
+        vertex_gen=vertex_gen_factory()
+        v=next(vertex_gen)
+        max_v=v[:]
+        min_v=v[:]
+        for v in vertex_gen:
+            min_v[0]=min(min_v[0], v[0]) 
+            min_v[1]=min(min_v[1], v[1]) 
+            min_v[2]=min(min_v[2], v[2]) 
+            max_v[0]=max(max_v[0], v[0]) 
+            max_v[1]=max(max_v[1], v[1]) 
+            max_v[2]=max(max_v[2], v[2]) 
+        return (min_v, max_v)
 
 '''
 インデックス参照頂点配列
@@ -120,6 +143,38 @@ class IndexedVertexArray(object):
         glDisableClientState(GL_VERTEX_ARRAY)
 
     def optimize(self):
-        self.vertices=numpy.array(self.vertices, 'f') 
-        self.uvlist=numpy.array(self.uvlist, 'f') 
+        self.vertices=numpy.array(self.vertices, numpy.float32) 
+        self.uvlist=numpy.array(self.uvlist, numpy.float32) 
+        for m, indices in self.indicesMap.items():
+            self.indicesMap[m]=numpy.array(indices, numpy.uint32)
+
+    def get_boundingbox(self):
+        vertices_size=len(self.vertices)
+        if(vertices_size==0):
+            return ([0, 0, 0], [0, 0, 0])
+        def vertex_gen_factory():
+            for i in range(0, vertices_size, 4):
+                yield [
+                        self.vertices[i],
+                        self.vertices[i+1],
+                        self.vertices[i+2]
+                        ]
+        vertex_gen=vertex_gen_factory()
+        v=next(vertex_gen)
+        max_v=v[:]
+        min_v=v[:]
+        for v in vertex_gen:
+            if v[0]<min_v[0]:
+                min_v[0]=v[0]
+            if v[1]<min_v[1]:
+                min_v[1]=v[1]
+            if v[2]<min_v[2]:
+                min_v[2]=v[2]
+            if v[0]>max_v[0]:
+                max_v[0]=v[0]
+            if v[1]>max_v[1]:
+                max_v[1]=v[1]
+            if v[2]>max_v[2]:
+                max_v[2]=v[2]
+        return (min_v, max_v)