def CreateCircle( self, colour, radius ):
# Create a circle
arc = Arc( radius, numSegs=64, axis=Vec3(0, 1, 0) )
arc.setColorScale( colour )
arc.setLightOff()
arc.reparentTo( self )
# Set the billboard effect
arc.setBillboardPointEye()
return arc
def CreateRing( self, vector, colour, lookAt ):
# Create the billboard effect
bbe = BillboardEffect.make( vector, False, True, 0, lookAt, (0, 0, 0) )
# Create an arc
arc = Arc( numSegs=32, degrees=180, axis=Vec3(0, 0, 1) )
arc.setH( 180 )
arc.setEffect( bbe )
# Create the axis from the arc
axis = Axis( self.name, vector, colour )
axis.AddGeometry( arc, sizeStyle=SCALE )
axis.AddCollisionSolid( self.collSphere, sizeStyle=SCALE )
axis.reparentTo( self )
return axis
