def _compile(self):
"""Compile the Sphere into a data.DisplayList"""
self.display_list.begin()
verts = []
texcs = []
norms = []
space = self.detail
for b in xrange(0, 180, space):
b *= 1.0
for a in xrange(0, 360, space):
a *= 1.0
_v = []
_t = []
for i in xrange(2):
for j in xrange(2):
s1 = space * i
s2 = space * j
x = math.sin(
math3d.safe_div(a + s1, 180) * math.pi) * math.sin(
math3d.safe_div(b + s2, 180) * math.pi)
z = math.cos(
math3d.safe_div(a + s1, 180) * math.pi) * math.sin(
math3d.safe_div(b + s2, 180) * math.pi)
y = math.cos(math3d.safe_div(b + s2, 180) * math.pi)
u = math3d.safe_div(a + s1, 360)
v = math3d.safe_div(b + s2, 360)
_v.append((x, y, z))
_t.append((u, 1 - v * 2))
verts.extend([_v[0], _v[1], _v[3], _v[0], _v[3], _v[2]])
texcs.extend([_t[0], _t[1], _t[3], _t[0], _t[3], _t[2]])
norms.extend([math3d.calcTriNormal(*verts[-6:-3])] * 3)
norms.extend([math3d.calcTriNormal(*verts[-3::])] * 3)
if self.show_inside:
verts.extend(reversed(verts[-6::]))
texcs.extend(reversed(texcs[-6::]))
norms.extend([math3d.calcTriNormal(*verts[-6:-3])] * 3)
norms.extend([math3d.calcTriNormal(*verts[-3::])] * 3)
glBegin(GL_TRIANGLES)
for i in xrange(len(verts)):
u, v = texcs[i]
glTexCoord2f(u, v)
glNormal3f(*norms[i])
x, y, z = verts[i]
glVertex3f(x, y, z)
glEnd()
self.display_list.end()
def _compile(self):
"""Compile the cube's rendering into a data.DisplayList"""
self.display_list.begin()
top = (0,0.5,0)
bottom = (0,-0.5,0)
midleft = (-math.sqrt(3)*0.25,0,0.25)
midright = (math.sqrt(3)*0.25,0,0.25)
midback = (0,0,-0.5)
tpoints = [[top, midleft, midright],
[top, midright, midback],
[top, midback, midleft],
[bottom,midright,midleft],
[bottom,midleft,midback],
[bottom,midback,midright]]
ttp = []
if not "topfront" in self.hide_faces:
ttp.append(tpoints[0])
if not "topright" in self.hide_faces:
ttp.append(tpoints[1])
if not "topleft" in self.hide_faces:
ttp.append(tpoints[2])
if not "bottomfront" in self.hide_faces:
ttp.append(tpoints[3])
if not "bottomright" in self.hide_faces:
ttp.append(tpoints[4])
if not "bottomleft" in self.hide_faces:
ttp.append(tpoints[5])
glBegin(GL_TRIANGLES)
for i in ttp:
coords = ((0.5,1), (0,0), (1,0))
glNormal3f(*math3d.calcTriNormal(i[0],i[1],i[2],False))
for p in xrange(3):
glTexCoord2fv(coords[p])
glVertex3f(*i[p])
glEnd()
self.display_list.end()
def _compile(self, fix_order):
if not self.verts:
return
self.display_list.begin()
norms = []
if fix_order and test_clockwise3d(self.verts):
new = list(self.verts)
new.reverse()
self.verts = new
new = list(self.texcs)
new.reverse()
self.texcs = new
n = 0
while len(self.verts) % 3:
self.verts.append(self.verts[n])
self.texcs.append(self.texcs[n])
n += 1
for i in xrange(0, len(self.verts), 3):
norms.append(math3d.calcTriNormal(self.verts[i],
self.verts[i+1],
self.verts[i+2]))
glBegin(self.usage)
if norms:
for i in xrange(len(norms)):
x = i * 3
glNormal3f(*norms[i])
for j in xrange(x, x+3):
glTexCoord2f(*self.texcs[j])
glVertex3f(*self.verts[j])
else:
for i in xrange(len(self.verts)):
glTexCoord2f(*self.texcs[i])
glVertex3f(*self.verts[i])
glEnd()
self.display_list.end()
def _compile(self, fix_order):
if not self.verts:
return
self.display_list.begin()
norms = []
if fix_order and test_clockwise3d(self.verts):
new = list(self.verts)
new.reverse()
self.verts = new
new = list(self.texcs)
new.reverse()
self.texcs = new
n = 0
while len(self.verts) % 3:
self.verts.append(self.verts[n])
self.texcs.append(self.texcs[n])
n += 1
for i in xrange(0, len(self.verts), 3):
norms.append(
math3d.calcTriNormal(self.verts[i], self.verts[i + 1],
self.verts[i + 2]))
glBegin(self.usage)
if norms:
for i in xrange(len(norms)):
x = i * 3
glNormal3f(*norms[i])
for j in xrange(x, x + 3):
glTexCoord2f(*self.texcs[j])
glVertex3f(*self.verts[j])
else:
for i in xrange(len(self.verts)):
glTexCoord2f(*self.texcs[i])
glVertex3f(*self.verts[i])
glEnd()
self.display_list.end()
