def CreateArrow( self, vec, colour ):
# Create the geometry and collision
vec.normalize()
line = pm.NodePath( Line( (0, 0, 0), vec ) )
cone = pm.NodePath( Cone( 0.05, 0.25, axis=vec, origin=vec * 0.125 ) )
collTube = pm.CollisionTube( (0,0,0), pm.Point3( vec ) * 0.95, 0.05 )
# Create the axis, add the geometry and collision
axis = Axis( self.name, vec, colour )
axis.AddGeometry( line, sizeStyle=SCALE )
axis.AddGeometry( cone, vec, colour )
axis.AddCollisionSolid( collTube, sizeStyle=TRANSLATE_POINT_B )
axis.reparentTo( self )
return axis
