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from netgen.csg import *
import netgen.meshing as meshing
import libvisual
from OpenGL.GLUT import *
# import Window class from other file
from opengl_window import Window
sp1 = Sphere (Pnt(0,0,0), 0.2)
sp2 = Sphere (Pnt(0.5,0,0), 0.2)
all = sp1+sp2
geom = CSGeometry()
geom.Add (all)
param = meshing.MeshingParameters()
param.maxh = 0.1
m1 = GenerateMesh (geom, param)
vis = VS(geom)
# window callback functions
def mydraw():
vis.Draw()
glutSwapBuffers()
def mymouse(xold, yold, x, y, mode):
MouseMove(vis,xold,yold, x,y, mode)
# init glut and create window
glutInit("mainwin")
win_geom = Window( name=b"ngs", drawfunc=mydraw, mousefunc=mymouse)
###########################################
# press ctrl+c to break loop
while(True):
for i in range(10000):
glutMainLoopEvent()
print('press ctrl+c to create second window!')
###########################################
# create second window (transformation matrices are shared)
vismesh = libvisual.meshvis.VS(m1)
def mydraw2():
vismesh.Draw()
glutSwapBuffers()
win_mesh = Window( name=b"ngs2", drawfunc=mydraw2, mousefunc=mymouse)
###########################################
# press ctrl+c to break loop
try:
while(True):
for i in range(10000):
glutMainLoopEvent()
print('press ctrl+c to hide/destroy first window!')
except:
pass
###########################################
## BREAKS (on numericus) as soon as mouse touches remaining window ("Error of failed request: GLXBadContextTag")
# glutDestroyWindow(win_geom.handle)
## WORKS
glutHideWindow(win_geom.handle)
try:
while(True):
glutMainLoopEvent()
except:
pass
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