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 update_geom(self, points, colors, sizes):
geom = self.instance.children[0].node().modify_geom(0)
vdata = geom.modify_vertex_data()
vdata.unclean_set_num_rows(len(points))
vwriter = GeomVertexRewriter(vdata, InternalName.get_vertex())
colorwriter = GeomVertexWriter(vdata, InternalName.get_color())
sizewriter = GeomVertexWriter(vdata, InternalName.get_size())
for (point, color, size) in zip(points, colors, sizes):
vwriter.addData3f(*point)
colorwriter.addData4f(*color)
sizewriter.addData1f(size)
