www.pudn.com > vrmlExample.rar > 7-2-2.wrl

#VRML V2.0 utf8   
 
Viewpoint 
{ 
	position 0 0 15 
	orientation 0 0 1 0 
	fieldOfView 0.8 
} 
 
Background 
{ 
	skyColor		[	0 	0 	0.2, 
0.1 	0.1 	0.8, 
0.7 	0.8 	0.9 
] 
		skyAngle 	[1 	1.57] 
	groundColor 	[	0.0 	0.0 	0.0, 
0.5 	0.4 	0.3, 
0.3 	0.3 	0.3 
] 
		groundAngle 	[1	1.57] 
} 
 
Group	 
{   
children 
[  
	Shape 
	{ 
		appearance Appearance  
				{  
				material DEF mat Material  
					{ diffuseColor 1 0 0 }  
				}   
		geometry Sphere {}  
 
} 
 
	DEF Scalar ScalarInterpolator	 
	{ 
		key		[0  0.5  1] 
		keyValue	[0  1   0]  
	} 
 
	DEF Time TimeSensor  
	{ 
		cycleInterval	3 
		loop		TRUE 
	} 
] 
} 
 
 
ROUTE Time.fraction_changed	TO	Scalar.set_fraction   
ROUTE Scalar.value_changed	TO	mat.set_transparency