def frustumProjMtx(fovy, near, far, aspect=0): if aspect == 0: from gltools import getViewportSize w,h = getViewportSize() aspect = float(w) / float(h) h = math.tan(fovy / 360.0 * math.pi) * near w = h * aspect return T.clip_matrix(-w, w, -h, h, near, far, perspective=True)
def init(self):
self.resetModelview()
self._normal_m = N.array([(1,0,0),(0,1,0),(0,0,1)],dtype="f")
self._light_m = T.identity_matrix()
self._perspective_m = frustumProjMtx(60, 0.5, 500.0)
vpw, vph = getViewportSize()
self._ortho_m = T.clip_matrix(0, vpw, vph, 0, -1, 1)# 0.,0.,.,1.,-1.,1.,False)
self._modelview_m_stack = []
self.setPerspectiveMode()
print self._modelview_m
print self._projection_m
self.pushTransform()
def _getNewProjectionMatrix(self): return T.clip_matrix(self._x_min, self._x_max, self._y_min, self._y_max, -1, 1)# 0.,0.,.,1.,-1.,1.,False)
