New default lighting

examples/5-audio/Ambient_Sound_Example.lua

@@ -0,0 +1,25 @@
+--require getScriptFilename so we can add current path to modelSearch Path
+require("getScriptFilename")
+vrjLua.appendToModelSearchPath(getScriptFilename())
+
+--find the path of an MP3 file and store it in "mp3Path" variable
+mp3Path = vrjLua.findInModelSearchPath("SampleMP3.mp3") 
+--find the path of a WAV file and store it in "wavPath" variable
+wavPath = vrjLua.findInModelSearchPath("SampleWAV.wav")
+
+--In order to play the sound, we need to change to the correct API (must uncomment one of the following)
+--1)Use OpenAL for WAV files
+snx.changeAPI("OpenAL")
+--2)Use Audiere for MP3 files
+--snx.changeAPI("Audiere")
+
+--create a sound info object 
+soundInfo = snx.SoundInfo()
+-- set the filename attribute of the soundFile (path to your sound file)
+soundInfo.filename = wavPath
+--create a new sound handle and pass it the filename from the soundInfo object
+soundHandle = snx.SoundHandle(soundInfo.filename)
+--configure the soundHandle to use the soundInfo
+soundHandle:configure(soundInfo)
+--play or "trigger" the sound
+soundHandle:trigger(1)

examples/advanced/light_example.lua

@@ -0,0 +1,68 @@
+require("getScriptFilename")
+vrjLua.appendToModelSearchPath(getScriptFilename())
+
+--load in an example model (so we can see the effect of our lights)
+factory = Transform{
+	orientation = AngleAxis(Degrees(-90), Axis{1.0, 0.0, 0.0}),
+	scale = ScaleFrom.inches,
+	Model("../models/basicfactory.ive")
+}
+--add example model 'factory' to the scene graph
+RelativeTo.World:addChild(factory)
+
+
+-- need thw RelativeTo.World's state set to turn on our lights int the scene
+worldStateSet = RelativeTo.World:getOrCreateStateSet()
+
+function createLight1()
+	-- create a light object
+	light1 = osg.Light()
+	-- set light number (openGL and osg can have up to eight lights in  a scene #0-7)
+	light1:setLightNum(0)
+	--  create a lightsource object
+	lightsource1 = osg.LightSource()
+	-- turn the light source on
+	lightsource1:setLocalStateSetModes(osg.StateAttribute.Values.ON)
+	-- set light l1 to light source ls1
+	lightsource1:setLight(light1)
+
+	--set light attributes
+	light1:setAmbient(osg.Vec4(0.8, 0.8, 0.8, 0.5))
+	light1:setDiffuse(osg.Vec4(0.8, 0.8, 0.8, 0.8))
+	light1:setSpecular(osg.Vec4(0.8, 0.8, 0.8, 0.8))
+
+	-- turn the light on in the relativeto.world state set
+	worldStateSet:setAssociatedModes(light1, osg.StateAttribute.Values.ON)
+	--add lightsource to scene (room)
+	RelativeTo.Room:addChild(lightsource1)
+	-- set position of light
+	light1:setPosition(osg.Vec4(0, 3, -5, 1.0))
+end
+
+function createLight2()
+	-- create a light object
+	light2 = osg.Light()
+	-- set light number (openGL and osg can have up to eight lights in  a scene #0-7)
+	light2:setLightNum(1)
+	--  create a lightsource object
+	lightsource2 = osg.LightSource()
+	-- turn the light source on
+	lightsource2:setLocalStateSetModes(osg.StateAttribute.Values.ON)
+	-- set light light2 to lightsource lightsource2
+	lightsource2:setLight(light2)
+	--set light attributes
+	light2:setAmbient(osg.Vec4(.8, .8, 0.6, .50))
+
+	-- turn the light on in the relativeto.world state set
+	worldStateSet:setAssociatedModes(light2, osg.StateAttribute.Values.ON)
+
+	--add lightsource to scene (room)
+	RelativeTo.Room:addChild(lightsource2)
+	-- set position of light	
+	light2:setPosition(osg.Vec4(1.5, 2, 2, 1.0))
+end
+
+--calls to turn create lights functions (by extension creates them and turns them ON)
+createLight1()
+createLight2()
+

vrjugglua/lua/nav-app-skeleton.lua

@@ -73,6 +73,30 @@ function osgnav:latePreFrame()
 	end
 end
 
+function osgnav:setupDefaultLighting()
+	WorldStateSet = RelativeTo.World:getOrCreateStateSet()
+	--Light 0
+	light0 = osg.Light()
+	light0:setAmbient(osg.Vec4(0.8, 0.8, 0.8, 0.8))
+	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
+	light1 = osg.Light()
+	light1:setLightNum(1)
+	light1:setAmbient(osg.Vec4(.8, .8, 0.6, .50))
+	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))
+end
+
 
 print("Setting up scenegraph")
 navtransform = osg.PositionAttitudeTransform()
@@ -86,6 +110,8 @@ osgnav.appProxy:setAppDelegate(osgnav)
 print("Setting kernel application")
 osgnav.appProxy:setActiveApplication()
 
+print("Setting up default Lighting. Override OpenGL Light #0 & #1")
+osgnav:setupDefaultLighting()