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from __future__ import with_statement
import IECore

# renders a sphere
class sphereProcedural( IECore.ParameterisedProcedural ) :
        def __init__( self ) :
                IECore.ParameterisedProcedural.__init__( self, "Renders a sphere." )

		rad_param = IECore.FloatParameter(
			name = "radius",
			description = "Sphere radius.",
			defaultValue = 1,
			minValue = 0.01,
			maxValue = 100.0,
			userData = { 'UI': { "update" : IECore.BoolData( True ) } }
		)

		theta_param = IECore.FloatParameter(
			name = "theta",
			description = "Sphere theta.",
			defaultValue = 360,
			minValue = 1,
			maxValue = 360,
			userData = { 'UI': { "update" : IECore.BoolData( True ) } }
		)

		extra_parm = IECore.BoolParameter( "extra", "Extra", False )

		self.parameters().addParameters( [rad_param, theta_param, extra_parm] )

	def doBound( self, args ) :
		rad = args["radius"].value
		return IECore.Box3f( IECore.V3f(-rad,-rad,-rad), IECore.V3f(rad,rad,rad) )

	def doRenderState( self, renderer, args ) :
		pass

	def doRender( self, renderer, args ) :
		rad = args["radius"].value
		theta = args["theta"].value
		with IECore.AttributeBlock( renderer ):
			renderer.sphere( rad, -1, 1, theta, {} )

# register
IECore.registerRunTimeTyped( sphereProcedural )
