コード例 #1
0
 def get_view_matrix(self):
     """Get the view matrix as a euclid.Matrix4."""
     f = (v3(self.look_at) - v3(self.pos)).normalized()
     #print "f=", f
     up = Vector3(0, 1, 0)
     s = f.cross(up).normalize()
     #print abs(f), abs(up), abs(s)
     #print "s=", s
     u = s.cross(f)
     m = Matrix4.new(
         *itertools.chain(s, [0], u, [0], -f, [0], [0, 0, 0, 1]))
     #print m
     xlate = Matrix4.new_translate(*(-self.pos))
     #print xlate
     mat = m.inverse() * xlate
     #print mat
     return mat
コード例 #2
0
 def get_view_matrix_gl(self):
     from ctypes import c_double
     mat = (c_double * 16)()
     glGetDoublev(GL_MODELVIEW_MATRIX, mat)
     return Matrix4.new(*mat)