Python-сообщество

class Triangle(object):
    def __init__(self, in_stream):
        for line in in_stream:
            if not line.isspace():
                v0, v1, v2, r, e = SEARCH(line).groups()
                self.vertexs = map(Vector3f, [v0, v1, v2])
                self.edge0 = Vector3f(v1) - Vector3f(v0)
                self.edge3 = Vector3f(v2) - Vector3f(v0)
                self.reflectivity = Vector3f(r).clamped(ZERO, ONE)
                self.emitivity = Vector3f(e).clamped(ZERO, MAX)
                edge1 = Vector3f(v2) - Vector3f(v1)
                self.tangent = self.edge0.unitize()
                self.normal = self.tangent.cross(edge1).unitize()
                pa2 = self.edge0.cross(edge1)
                self.area = sqrt(pa2.dot(pa2)) * 0.5
                return
        raise StopIteration
    def get_bound(self):
        bound = list(self.vertexs[2]) + list(self.vertexs[2])
        print (bound)
        for i in range(3):
            v = self.vertexs[i]
            for j in range(6):
                d, m = -1 if (j >= 3) else 1, j % 3
                a = v[m] - (d * TOLERANCE)
                if ((a - bound[j]) * d) < 0.0:
                    bound[j] = a
        return bound

self.vertexs = list(map(Vector3f, [v0, v1, v2]))