gluErrorString, gluNewTess, gluTessBeginContour, gluTessBeginPolygon,
gluTessCallback, gluTessEndContour, gluTessEndPolygon, gluTessNormal,
gluTessProperty, gluTessVertex,
GLU_TESS_BEGIN, GLU_TESS_COMBINE, GLU_TESS_END, GLU_TESS_ERROR,
GLU_TESS_VERTEX, GLU_TESS_WINDING_ODD, GLU_TESS_WINDING_RULE,
)
class TesselateError(Exception):
pass
tess = gluNewTess()
gluTessNormal(tess, 0, 0, 1)
default_winding_rule = GLU_TESS_WINDING_ODD
gluTessProperty(tess, GLU_TESS_WINDING_RULE, default_winding_rule)
if sys.platform == 'win32':
from ctypes import WINFUNCTYPE
c_functype = WINFUNCTYPE
else:
c_functype = CFUNCTYPE
callback_types = {
GLU_TESS_VERTEX: c_functype(None, POINTER(GLvoid)),
GLU_TESS_BEGIN: c_functype(None, GLenum),
GLU_TESS_END: c_functype(None),
GLU_TESS_ERROR: c_functype(None, GLenum),
GLU_TESS_COMBINE: c_functype(
gluErrorString, gluNewTess, gluTessBeginContour, gluTessBeginPolygon,
gluTessCallback, gluTessEndContour, gluTessEndPolygon, gluTessNormal,
gluTessProperty, gluTessVertex,
GLU_TESS_BEGIN, GLU_TESS_COMBINE, GLU_TESS_END, GLU_TESS_ERROR,
GLU_TESS_VERTEX, GLU_TESS_WINDING_ODD, GLU_TESS_WINDING_RULE,
)
class TesselateError(Exception):
pass
tess = gluNewTess()
gluTessNormal(tess, 0, 0, 1)
default_winding_rule = GLU_TESS_WINDING_ODD
gluTessProperty(tess, GLU_TESS_WINDING_RULE, default_winding_rule)
if sys.platform == 'win32':
from ctypes import WINFUNCTYPE
c_functype = WINFUNCTYPE
else:
c_functype = CFUNCTYPE
callback_types = {
GLU_TESS_VERTEX: c_functype(None, POINTER(GLvoid)),
GLU_TESS_BEGIN: c_functype(None, GLenum),
GLU_TESS_END: c_functype(None),
GLU_TESS_ERROR: c_functype(None, GLenum),
GLU_TESS_COMBINE: c_functype(
GLdouble, GLvoid, GLenum, GLfloat, pointer, \
gluNewTess, gluTessProperty, gluTessNormal, gluTessCallback, gluTessVertex, \
gluTessBeginPolygon, gluTessEndPolygon, \
gluTessBeginContour, gluTessEndContour, \
GLU_TESS_WINDING_RULE, GLU_TESS_WINDING_NONZERO, \
GLU_TESS_VERTEX, GLU_TESS_BEGIN, GLU_TESS_END, GLU_TESS_ERROR, GLU_TESS_COMBINE, \
GL_TRIANGLE_FAN, GL_TRIANGLE_STRIP, GL_TRIANGLES, GL_LINE_LOOP
if platform == "win32":
from ctypes import WINFUNCTYPE as CFUNCTYPE
_tessellator = gluNewTess()
# Winding rule determines the regions that should be filled and those that should remain unshaded.
# Winding direction is determined by the normal.
gluTessProperty(_tessellator, GLU_TESS_WINDING_RULE, GLU_TESS_WINDING_NONZERO)
gluTessNormal(_tessellator, 0, 0, 1)
# As tessellation proceeds, callback routines are called in a manner
# similar to OpenGL commands glBegin(), glEdgeFlag*(), glVertex*(), and glEnd().
# The callback functions must be C functions so we need to cast our Python callbacks to C.
_tessellate_callback_type = {
GLU_TESS_VERTEX : CFUNCTYPE(None, POINTER(GLvoid)),
GLU_TESS_BEGIN : CFUNCTYPE(None, GLenum),
GLU_TESS_END : CFUNCTYPE(None),
GLU_TESS_ERROR : CFUNCTYPE(None, GLenum),
GLU_TESS_COMBINE : CFUNCTYPE(None,
POINTER(GLdouble),
POINTER(POINTER(GLvoid)),
POINTER(GLfloat),
POINTER(POINTER(GLvoid)))
GLdouble, GLvoid, GLenum, GLfloat, \
gluNewTess, gluTessProperty, gluTessNormal, gluTessCallback, gluTessVertex, \
gluTessBeginPolygon, gluTessEndPolygon, \
gluTessBeginContour, gluTessEndContour, \
GLU_TESS_WINDING_RULE, GLU_TESS_WINDING_NONZERO, \
GLU_TESS_VERTEX, GLU_TESS_BEGIN, GLU_TESS_END, GLU_TESS_ERROR, GLU_TESS_COMBINE, \
GL_TRIANGLE_FAN, GL_TRIANGLE_STRIP, GL_TRIANGLES, GL_LINE_LOOP
if platform == "win32":
from ctypes import WINFUNCTYPE as CFUNCTYPE
_tessellator = gluNewTess()
# Winding rule determines the regions that should be filled and those that should remain unshaded.
# Winding direction is determined by the normal.
gluTessProperty(_tessellator, GLU_TESS_WINDING_RULE, GLU_TESS_WINDING_NONZERO)
gluTessNormal(_tessellator, 0, 0, 1)
# As tessellation proceeds, callback routines are called in a manner
# similar to OpenGL commands glBegin(), glEdgeFlag*(), glVertex*(), and glEnd().
# The callback functions must be C functions so we need to cast our Python callbacks to C.
_tessellate_callback_type = {
GLU_TESS_VERTEX:
CFUNCTYPE(None, POINTER(GLvoid)),
GLU_TESS_BEGIN:
CFUNCTYPE(None, GLenum),
GLU_TESS_END:
CFUNCTYPE(None),
GLU_TESS_ERROR:
CFUNCTYPE(None, GLenum),
GLU_TESS_COMBINE:
GL_TRIANGLES, GL_TRIANGLE_FAN, GL_TRIANGLE_STRIP,
gluErrorString, gluNewTess, gluTessBeginContour, gluTessBeginPolygon,
gluTessCallback, gluTessEndContour, gluTessEndPolygon, gluTessNormal,
gluTessProperty, gluTessVertex,
GLU_TESS_BEGIN, GLU_TESS_COMBINE, GLU_TESS_END, GLU_TESS_ERROR,
GLU_TESS_VERTEX, GLU_TESS_WINDING_NONZERO, GLU_TESS_WINDING_RULE,
)
class TesselateError(Exception):
pass
tess = gluNewTess()
gluTessNormal(tess, 0, 0, 1)
gluTessProperty(tess, GLU_TESS_WINDING_RULE, GLU_TESS_WINDING_NONZERO)
if sys.platform == 'win32':
from ctypes import WINFUNCTYPE
c_functype = WINFUNCTYPE
else:
c_functype = CFUNCTYPE
callback_types = {
GLU_TESS_VERTEX: c_functype(None, POINTER(GLvoid)),
GLU_TESS_BEGIN: c_functype(None, GLenum),
GLU_TESS_END: c_functype(None),
GLU_TESS_ERROR: c_functype(None, GLenum),
GLU_TESS_COMBINE: c_functype(
