def process(hoxlist, getgeom, drawpiece,withstyle=True):
glPushMatrix()
try:
for h in hoxlist:
if not h: continue # all nothings are NOOPs
if type(h) is tuple:
op = h[0]
if op == DRAW or (op == STYLE and withstyle):
drawpiece(h[1])
elif op == MOVE:
try: #debug
op,name,axis,mult = h
except ValueError: #debug
print h #debug
raise #debug
t = getgeom(name)
if not t: continue # skip the rest if zero movement
v = [0.0,0.0,0.0]
v[axis] = t * mult
glTranslatef(*v)
elif op == ROT:
try: #debug
op,name,axis,mult = h
except ValueError: #debug
print h #debug
raise #debug
a = getgeom(name)
if not a: continue # skip the rest if zero rotation
v = [0.0,0.0,0.0]
v[axis] = 1.0
glRotatef(a * mult,*v)
else: # recurse into sub-list
process(h,getgeom,drawpiece,withstyle)
finally:
glPopMatrix() # GOT to do this no matter what!
def process(hoxlist, getgeom, drawpiece, withstyle=True):
glPushMatrix()
try:
for h in hoxlist:
if not h: continue # all nothings are NOOPs
if type(h) is tuple:
op = h[0]
if op == DRAW or (op == STYLE and withstyle):
drawpiece(h[1])
elif op == MOVE:
try: #debug
op, name, axis, mult = h
except ValueError: #debug
print h #debug
raise #debug
t = getgeom(name)
if not t: continue # skip the rest if zero movement
v = [0.0, 0.0, 0.0]
v[axis] = t * mult
glTranslatef(*v)
elif op == ROT:
try: #debug
op, name, axis, mult = h
except ValueError: #debug
print h #debug
raise #debug
a = getgeom(name)
if not a: continue # skip the rest if zero rotation
v = [0.0, 0.0, 0.0]
v[axis] = 1.0
glRotatef(a * mult, *v)
else: # recurse into sub-list
process(h, getgeom, drawpiece, withstyle)
finally:
glPopMatrix() # GOT to do this no matter what!
def setup_geom(self):
"""Default setup_geom is translation to pos, rotation by angle"""
pos = self.pos
angle = self.angle
glPushMatrix()
glTranslatef(*pos)
if angle:
glRotatef(angle,0,0,1.0)
def setup_geom(self):
"""Default setup_geom is translation to pos, rotation by angle"""
pos = self.pos
angle = self.angle
glPushMatrix()
glTranslatef(*pos)
if angle:
glRotatef(angle, 0, 0, 1.0)
import gl
def vec(*args):
return (GLfloat * len(args))(*args)
def sphere(radius, slices, stacks):
q = gluNewQuadric();
gluQuadricNormals(q, GLU_SMOOTH);
gluSphere(q, radius, slices, stacks);
gluDeleteQuadric(q);
w = 400
h = 400
osmesa.init_ctx(w, h)
osmesa.render()
gl.glPushMatrix()
gl.glTranslatef(-10.0, 10.0, 0)
osmesa.sphere(20)
gl.glPopMatrix()
gl.glPushMatrix()
gl.glTranslatef(-10.0, 10.0, 0)
osmesa.sphere(22)
gl.glPopMatrix()
osmesa.free_ctx()