def makeGeom(self, points, colors, sizes):
#format = GeomVertexFormat.getV3c4()
array = GeomVertexArrayFormat()
array.addColumn(InternalName.get_vertex(), 3, Geom.NTFloat32, Geom.CPoint)
array.addColumn(InternalName.get_color(), 4, Geom.NTFloat32, Geom.CColor)
array.addColumn(InternalName.get_size(), 1, Geom.NTFloat32, Geom.COther)
format = GeomVertexFormat()
format.addArray(array)
format = GeomVertexFormat.registerFormat(format)
vdata = GeomVertexData('vdata', format, Geom.UH_static)
vdata.unclean_set_num_rows(len(points))
self.vwriter = GeomVertexWriter(vdata, InternalName.get_vertex())
self.colorwriter = GeomVertexWriter(vdata, InternalName.get_color())
self.sizewriter = GeomVertexWriter(vdata, InternalName.get_size())
geompoints = GeomPoints(Geom.UH_static)
geompoints.reserve_num_vertices(len(points))
index = 0
for (point, color, size) in zip(points, colors, sizes):
self.vwriter.addData3f(*point)
self.colorwriter.addData4f(*color)
self.sizewriter.addData1f(size)
geompoints.addVertex(index)
#geompoints.closePrimitive()
index += 1
geom = Geom(vdata)
geom.addPrimitive(geompoints)
return geom
def empty_geom(prefix,
nb_data,
nb_vertices,
points=False,
normal=True,
texture=True,
color=False,
tanbin=False):
array = GeomVertexArrayFormat()
array.addColumn(InternalName.make('vertex'), 3, Geom.NTFloat32,
Geom.CPoint)
if color:
array.addColumn(InternalName.make('color'), 4, Geom.NTFloat32,
Geom.CColor)
if texture:
array.addColumn(InternalName.make('texcoord'), 2, Geom.NTFloat32,
Geom.CTexcoord)
if normal:
array.addColumn(InternalName.make('normal'), 3, Geom.NTFloat32,
Geom.CVector)
if tanbin:
array.addColumn(InternalName.make('binormal'), 3, Geom.NTFloat32,
Geom.CVector)
array.addColumn(InternalName.make('tangent'), 3, Geom.NTFloat32,
Geom.CVector)
format = GeomVertexFormat()
format.addArray(array)
format = GeomVertexFormat.registerFormat(format)
gvd = GeomVertexData('gvd', format, Geom.UHStatic)
if nb_data != 0:
gvd.unclean_set_num_rows(nb_data)
geom = Geom(gvd)
gvw = GeomVertexWriter(gvd, 'vertex')
if color:
gcw = GeomVertexWriter(gvd, 'color')
else:
gcw = None
if texture:
gtw = GeomVertexWriter(gvd, 'texcoord')
else:
gtw = None
if normal:
gnw = GeomVertexWriter(gvd, 'normal')
else:
gnw = None
if tanbin:
gtanw = GeomVertexWriter(gvd, 'tangent')
gbiw = GeomVertexWriter(gvd, 'binormal')
else:
gtanw = None
gbiw = None
if points:
prim = GeomPoints(Geom.UHStatic)
else:
prim = GeomTriangles(Geom.UHStatic)
if nb_vertices != 0:
prim.reserve_num_vertices(nb_vertices)
return (gvw, gcw, gtw, gnw, gtanw, gbiw, prim, geom)
