//create the Alpha for the Interpolator Alpha alpha (Photo web hosting)
//create the Alpha for the Interpolator Alpha alpha = new Alpha( -1, Alpha.INCREASING_ENABLE | Alpha.DECREASING_ENABLE, 500, 100, 5000, 2000, 1000, 5000, 2000, 500 ); //create the SwitchInterpolator and pass the Alpha //and a Switch Node Interpolator switchInterpolator = new SwitchValueInterpolator( alpha, switchNode ); //add the Interpolator to a parent BranchGroup //and set Scheduling Bounds BranchGroup bg = new BranchGroup(); bg.addChild( interpolator ); interpolator.setSchedulingBounds( getApplicationBounds() ); ColorInterpolator The ColorInterpolatorcan be used to linearly interpolate the Materialdiffuse color of an Appearancebetween two extremes. Note that the Materialmust have the ALLOW_COMPONENT_WRITEcapability bit set. //create an Appearance Appearance app = new Appearance(); //create a Material and assign an initial color Color3f objColor = new Color3f(1.0f, 0.7f, 0.8f); Color3f black = new Color3f(0.0f, 0.0f, 0.0f); Material mat = new Material(objColor, black, objColor, black, 80.0f); //ensure the Interpolator has WRITE access to the Material mat.setCapability( Material.ALLOW_COMPONENT_WRITE ); //assign the Material to the Appearance app.setMaterial( mat ); //create the Interpolator by default interpolate //between black and white Interpolator interpolator = new ColorInterpolator( alpha, app.getMaterial() ); PositionInterpolator The PositionInterpolatorcan be used to linearly interpolate between two x, y, z positions. The PositionInterpolatormodifies a TransformGroup, which will in turn affect the position of all its child Nodes. The TransformGroupmust have the ALLOW_TRANSFORM_WRITEcapability set. //create the TransformGroup TransformGroup tg = new TransformGroup(); tg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); tg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); 200
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