def deltas(self, x, y, z, dx, dy):
self.m.f.c.setup_projection()
self.m.f.c.apply_transformations()
dxdydz = (util.screen_to_model(x, y, z) -
util.screen_to_model(x - dx, y - dy, z))
dxdydz = np.round(dxdydz, decimals=6) # knob
self.m.f.c.unset_projection()
return dxdydz
def mouse_translate(self, x, y, dx, dy):
self.setup_projection()
glTranslatef(0, 0, - self.dist)
z = util.model_to_screen(0, 0, 0)[2]
d = (util.screen_to_model(x, y, z) -
util.screen_to_model(x - dx, y - dy, z))
self.unset_projection()
self.x += d[0]; self.y += d[1]
def mouse_translate(self, x, y, dx, dy):
glPushMatrix()
glLoadIdentity()
glTranslatef(0, 0, -self._dist)
z = model_to_screen(0, 0, 0)[2]
d = vec_subs(screen_to_model(x, y, z), screen_to_model(x-dx, y-dy, z))
glPopMatrix()
self._x += d[0]
self._y += d[1]
def mouse_translate(self, x, y, dx, dy):
glPushMatrix()
glLoadIdentity()
glTranslatef(0,0,-self._dist)
z = model_to_screen(0,0,0)[2]
d = vec_subs(screen_to_model(x,y,z), screen_to_model(x-dx,y-dy,z))
glPopMatrix()
self._x += d[0]
self._y += d[1]
def pick_object(self, pon, x, y, crn=False):
self.m.f.c.setup_projection()
self.m.f.c.apply_transformations()
try:
z = glReadPixels(x, y, 5, 5, GL_DEPTH_COMPONENT, GL_FLOAT) # knob
zc = z != 1.0
if zc.any():
z = np.average(z[zc])
mxyz = util.screen_to_model(x, y, z)
if pon == 'points':
self.pick_point(x, y, mxyz)
else:
self.pick_nurbs(z, mxyz, pon, crn)
except PickedPlotObject as e:
self.success = True
po, pxyz = e.args[:2]
self.spawn_picked_point(pxyz, po)
self.set_picked_color(po)
self.picked_pos.append(po)
self.update_mode(e)
else:
self.__init__(self.m)
finally:
pp, ps = self._pp, self.picked_pos
pxyz = pp.xyz if pp else None
p = ps[-1] if ps else None
self.m.f.IP.user_ns.update(
dict(last_picked_xyz=pxyz,
last_picked_object=p,
last_picked_objects=ps))
self.m.f.c.unset_projection()