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New default lighting #67

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cf915fc
added default lighting to nav-app-skeleton.lua
Dec 19, 2011
b9bced4
line endings and locals
rpavlik Jan 20, 2012
d0341dc
make a little function to remove the new default lights if desired.
rpavlik Jan 20, 2012
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32 changes: 32 additions & 0 deletions vrjugglua/lua/nav-app-skeleton.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -73,6 +73,36 @@ function osgnav:latePreFrame()
end
end

function osgnav:setupDefaultLighting()
local WorldStateSet = RelativeTo.World:getOrCreateStateSet()
--Light 0
local light0 = osg.Light()
light0:setAmbient(osg.Vec4(0.8, 0.8, 0.8, 0.8))
local lightsource0 = osg.LightSource()
lightsource0:setLight(light0)
lightsource0:setLocalStateSetModes(osg.StateAttribute.Values.ON)
WorldStateSet:setAssociatedModes(light0, osg.StateAttribute.Values.ON)
RelativeTo.Room:addChild(lightsource0)
light0:setPosition(osg.Vec4(0, 10, 0, 1.0))

--Light 1
local light1 = osg.Light()
light1:setLightNum(1)
light1:setAmbient(osg.Vec4(.8, .8, 0.6, .50))
local lightsource1 = osg.LightSource()
lightsource1:setLight(light1)
lightsource1:setLocalStateSetModes(osg.StateAttribute.Values.ON)
WorldStateSet:setAssociatedModes(light1, osg.StateAttribute.Values.ON)
RelativeTo.Room:addChild(lightsource1)
light1:setPosition(osg.Vec4(1.5, 2, 0, 1.0))

function osgnav:clearDefaultLighting()
RelativeTo.Room:removeChild(lightsource0)
RelativeTo.Room:removeChild(lightsource1)
WorldStateSet:setAssociatedModes(light1, osg.StateAttribute.Values.OFF)
end
end


print("Setting up scenegraph")
navtransform = osg.PositionAttitudeTransform()
Expand All @@ -86,6 +116,8 @@ osgnav.appProxy:setAppDelegate(osgnav)
print("Setting kernel application")
osgnav.appProxy:setActiveApplication()

print("Setting up default lighting (lights 0 and 1). Call osgnav:clearDefaultLighting() to remove light sources from graph and disable light #1.")
osgnav:setupDefaultLighting()



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