simpleLights.lua

ss = RelativeTo.World:getOrCreateStateSet()

function doLight1()
	local l3 = osg.Light()
	l3:setLightNum(0)
	l3:setAmbient(osg.Vec4(.1, .1, .1, 1.0))
	local ls3 = osg.LightSource()
	ls3:setLight(l3)
	ls3:setLocalStateSetModes(osg.StateAttribute.Values.ON)
	ss:setAssociatedModes(l3, osg.StateAttribute.Values.ON)
	RelativeTo.Room:addChild(ls3)
	l3:setPosition(osg.Vec4(2.0, 2, 1, 0.5))
end

function doLight2()
	l2 = osg.Light()
	l2:setLightNum(1)
	l2:setAmbient(osg.Vec4(.1, .1, 0.1, 1.0))
	ls2 = osg.LightSource()
	ls2:setLight(l2)
	ls2:setLocalStateSetModes(osg.StateAttribute.Values.ON)
	ss:setAssociatedModes(l2, osg.StateAttribute.Values.ON)
	RelativeTo.Room:addChild(ls2)
	l2:setPosition(osg.Vec4(1.5, .1, -2, 1.0))
end

-- function doLight3()
	-- l4 = osg.Light()
	-- l4:setLightNum(2)
	-- l4:setAmbient(osg.Vec4(.05, .05, 0.05, 0.5))
	-- ls4 = osg.LightSource()
	-- ls4:setLight(l4)
	-- ls4:setLocalStateSetModes(osg.StateAttribute.Values.ON)
	-- ss:setAssociatedModes(l4, osg.StateAttribute.Values.ON)
	-- RelativeTo.Room:addChild(ls4)
	-- l4:setPosition(osg.Vec4(2.0,.733,-2.55, 1.0))
-- end

doLight1()
doLight2()
-- doLight3()
print("simpleLights added to scene")