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Category Archives: VRML

Luci RGB

Posted on 02/01/2018 by admin

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Tre luci spot diverse, Red Green Blue, si combinano su una superficie (una griglia…)

#VRML V2.0 utf8

NavigationInfo{headlight FALSE}

Viewpoint
{
  position    0 10 10
  orientation -1 0 0 .8
}

# Una griglia piatta (10x10, 100x100 punti)
Inline{url "http://www.valcon.it/vrml-/shapegrid.wrl"}

#LUCE SPOT ROSSA DA DESTRA
SpotLight
{
  color       1 0 0
  location    5 5 0
  direction   -1 -1 0
  cutOffAngle 0.3
}
#LUCE SPOT VERDE DAL FONDO
SpotLight
{
  color       0 1 0
  location    0 5 -5
  direction   0 -1 1
  cutOffAngle 0.3
}
#LUCE SPOT BLU DA SINISTRA
SpotLight
{
  color       0 0 1
  location    -5 5 0
  direction   1 -1 0
  cutOffAngle 0.3
}

#VRML V2.0 utf8

NavigationInfo{headlight FALSE}

Viewpoint

{

position 0 10 10

orientation -1 0 0 .8

}

# Una griglia piatta (10x10, 100x100 punti)

Inline{url "http://www.valcon.it/vrml-/shapegrid.wrl"}

#LUCE SPOT ROSSA DA DESTRA

SpotLight

{

color 1 0 0

location 5 5 0

direction -1 -1 0

cutOffAngle 0.3

}

#LUCE SPOT VERDE DAL FONDO

SpotLight

{

color 0 1 0

location 0 5 -5

direction 0 -1 1

cutOffAngle 0.3

}

#LUCE SPOT BLU DA SINISTRA

SpotLight

{

color 0 0 1

location -5 5 0

direction 1 -1 0

cutOffAngle 0.3

}

Luce puntuale

Posted on 02/01/2018 by admin

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Una sola luce al centro della scena, in un punto ma con diffusione omnidirezionale (default: bianca, al centro della scena, raggio=100)

#VRML V2.0 utf8

Inline { url "http://www.valcon.it/vrml-/shape42.wrl" }

#LUCE SPOT (bianca, al centro della scena, raggio=100, ...)
PointLight {}

#VRML V2.0 utf8

Inline { url "http://www.valcon.it/vrml-/shape42.wrl" }

#LUCE SPOT (bianca, al centro della scena, raggio=100, ...)

PointLight {}

Corpi che riflettono luce #2

Posted on 02/01/2018 by admin

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I quattro corpi riflettono la luce in modo selettivo

#VRML V2.0 utf8

Inline { url "shape42.wrl" }


#LUCE DIREZIONALE BIANCA VERSO IL FONDO 
DirectionalLight
{
    color     1 1 1
    direction 0 0 -1
}
#LUCE DIREZIONALE ROSSA DA DESTRA
DirectionalLight
{
    color     1 0 0
    direction -1 0 0
}
#LUCE DIREZIONALE VERDE DAL FONDO
DirectionalLight
{
    color     0 1 0
    direction 0 0 1
}
#LUCE DIREZIONALE BLU DA SINISTRA
DirectionalLight
{
    color     0 0 1
    direction 1 0 0
}

#VRML V2.0 utf8

Inline { url "shape42.wrl" }

#LUCE DIREZIONALE BIANCA VERSO IL FONDO

DirectionalLight

{

color 1 1 1

direction 0 0 -1

}

#LUCE DIREZIONALE ROSSA DA DESTRA

DirectionalLight

{

color 1 0 0

direction -1 0 0

}

#LUCE DIREZIONALE VERDE DAL FONDO

DirectionalLight

{

color 0 1 0

direction 0 0 1

}

#LUCE DIREZIONALE BLU DA SINISTRA

DirectionalLight

{

color 0 0 1

direction 1 0 0

}

Corpi che riflettono luce #1

Posted on 02/01/2018 by admin

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Quattro corpi capaci di riflettere la luce, è necessario accendere Headlight

#VRML V2.0 utf8

NavigationInfo { headlight FALSE }

Transform
{
  translation 0 2 0
  children Shape{appearance Appearance{material Material{diffuseColor 1 0 0}}
                 geometry   Cone{}
                }
}
Transform
{
  translation	2 0 0
  children Shape{appearance Appearance{material Material{diffuseColor 0 1 0}}
                 geometry   Cylinder{}
                }
}
Transform
{
  translation 0 -2 0
  children Shape{appearance Appearance{material Material{diffuseColor 0 0 1}}
                 geometry   Box{}
                }
}
Transform
{
  translation -2 0 0
  children Shape{appearance Appearance{material Material{diffuseColor 1 1 1}}
                 geometry   Sphere{}
                }
}

#VRML V2.0 utf8

NavigationInfo { headlight FALSE }

Transform

{

translation 0 2 0

children Shape{appearance Appearance{material Material{diffuseColor 1 0 0}}

geometry Cone{}

}

Transform

{

translation 2 0 0

children Shape{appearance Appearance{material Material{diffuseColor 0 1 0}}

geometry Cylinder{}

}

Transform

{

translation 0 -2 0

children Shape{appearance Appearance{material Material{diffuseColor 0 0 1}}

geometry Box{}

}

Transform

{

translation -2 0 0

children Shape{appearance Appearance{material Material{diffuseColor 1 1 1}}

geometry Sphere{}

}

Corpi che emettono luce #2

Posted on 02/01/2018 by admin

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Quattro corpi che emettono luce propria, di colore diverso, illuminati da quattro luci di colore diverso.

#VRML V2.0 utf8

Inline { url "shape41.wrl" }


#LUCE DIREZIONALE BIANCA VERSO IL FONDO 
DirectionalLight
{
    color     1 1 1
    direction 0 0 -1
}
#LUCE DIREZIONALE ROSSA DA DESTRA
DirectionalLight
{
    color     1 0 0
    direction -1 0 0
}
#LUCE DIREZIONALE VERDE DAL FONDO
DirectionalLight
{
    color     0 1 0
    direction 0 0 1
}
#LUCE DIREZIONALE BLU DA SINISTRA
DirectionalLight
{
    color     0 0 1
    direction 1 0 0
}

#VRML V2.0 utf8

Inline { url "shape41.wrl" }

#LUCE DIREZIONALE BIANCA VERSO IL FONDO

DirectionalLight

{

color 1 1 1

direction 0 0 -1

}

#LUCE DIREZIONALE ROSSA DA DESTRA

DirectionalLight

{

color 1 0 0

direction -1 0 0

}

#LUCE DIREZIONALE VERDE DAL FONDO

DirectionalLight

{

color 0 1 0

direction 0 0 1

}

#LUCE DIREZIONALE BLU DA SINISTRA

DirectionalLight

{

color 0 0 1

direction 1 0 0

}

Corpi che emettono luce #1

Posted on 02/01/2018 by admin

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Quattro corpi che emettono luce propria, di colore diverso

#VRML V2.0 utf8

NavigationInfo { headlight FALSE }

Transform
{
  translation 0 2 0
  children Shape{appearance Appearance{material Material{emissiveColor 1 0 0}} geometry Cone{}}	
}
Transform
{
  translation 2 0 0
  children Shape{appearance Appearance{material Material{emissiveColor 0 1 0}}	geometry Cylinder{}}	
}
Transform
{
  translation 0 -2 0
  children Shape{appearance Appearance{material Material{emissiveColor 0 0 1}} geometry Box{}}	
}
Transform
{
  translation -2 0 0
  children Shape{appearance Appearance{material Material{emissiveColor 1 1 1}} geometry Sphere{}}	
}

#VRML V2.0 utf8

NavigationInfo { headlight FALSE }

Transform

{

translation 0 2 0

children Shape{appearance Appearance{material Material{emissiveColor 1 0 0}} geometry Cone{}}

}

Transform

{

translation 2 0 0

children Shape{appearance Appearance{material Material{emissiveColor 0 1 0}} geometry Cylinder{}}

}

Transform

{

translation 0 -2 0

children Shape{appearance Appearance{material Material{emissiveColor 0 0 1}} geometry Box{}}

}

Transform

{

translation -2 0 0

children Shape{appearance Appearance{material Material{emissiveColor 1 1 1}} geometry Sphere{}}

}

Corpi opachi #3

Posted on 02/01/2018 by admin

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La luce direzionale rossa da destra è associata alla sola sfera centrale

#VRML V2.0 utf8

NavigationInfo { headlight FALSE }

Inline { url "shape4.wrl" }


Group
{
	children	
    [
		Shape
		{
			appearance Appearance {material Material {}}
			geometry Sphere	{}
		}					
		#LUCE DIREZIONALE ROSSA DA DESTRA
		DirectionalLight
		{
	    	color 1 0 0
    		direction -1 0 0
		}
	]
}

#LUCE DIREZIONALE BIANCA VERSO IL FONDO 
DirectionalLight
{
    color 1 1 1
    direction 0 0 -1
}



#LUCE DIREZIONALE VERDE DAL FONDO
DirectionalLight
{
    color 0 1 0
    direction 0 0 1	
}

#LUCE DIREZIONALE BLU DA SINISTRA
DirectionalLight
{
    color 0 0 1
    direction 1 0 0
}

#VRML V2.0 utf8

NavigationInfo { headlight FALSE }

Inline { url "shape4.wrl" }

Group

{

children

[

Shape

{

appearance Appearance {material Material {}}

geometry Sphere {}

}

#LUCE DIREZIONALE ROSSA DA DESTRA

DirectionalLight

{

color 1 0 0

direction -1 0 0

}

]

}

#LUCE DIREZIONALE BIANCA VERSO IL FONDO

DirectionalLight

{

color 1 1 1

direction 0 0 -1

}

#LUCE DIREZIONALE VERDE DAL FONDO

DirectionalLight

{

color 0 1 0

direction 0 0 1

}

#LUCE DIREZIONALE BLU DA SINISTRA

DirectionalLight

{

color 0 0 1

direction 1 0 0

}

Corpi opachi #2

Posted on 02/01/2018 by admin

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Quattro luci direzionali illuminano i corpi. Ciascuna luce ha un colore e una direzione.

#VRML V2.0 utf8

Inline { url "http://www.valcon.it/vrml-/shape4.wrl" }


#LUCE DIREZIONALE BIANCA VERSO IL FONDO 
DirectionalLight
{
    color     1 1 1
    direction 0 0 -1
}
#LUCE DIREZIONALE ROSSA DA DESTRA
DirectionalLight
{
    color     1 0 0
    direction -1 0 0
}
#LUCE DIREZIONALE VERDE DAL FONDO
DirectionalLight
{
    color     0 1 0
    direction 0 0 1
}
#LUCE DIREZIONALE BLU DA SINISTRA
DirectionalLight
{
    color     0 0 1
    direction 1 0 0
}

#VRML V2.0 utf8

Inline { url "http://www.valcon.it/vrml-/shape4.wrl" }

#LUCE DIREZIONALE BIANCA VERSO IL FONDO

DirectionalLight

{

color 1 1 1

direction 0 0 -1

}

#LUCE DIREZIONALE ROSSA DA DESTRA

DirectionalLight

{

color 1 0 0

direction -1 0 0

}

#LUCE DIREZIONALE VERDE DAL FONDO

DirectionalLight

{

color 0 1 0

direction 0 0 1

}

#LUCE DIREZIONALE BLU DA SINISTRA

DirectionalLight

{

color 0 0 1

direction 1 0 0

}

Corpi opachi #1

Posted on 02/01/2018 by admin

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Quattro corpi opachi, è necessario attivare Headlight (???)

#VRML V2.0 utf8

NavigationInfo { headlight FALSE }

Transform
{
  translation 0 2 0
  children Shape{appearance Appearance{material Material{}} geometry Cone{}}	
}
Transform
{
  translation 2 0 0
  children Shape{appearance Appearance{material Material{}} geometry Cylinder{}}	
}
Transform
{
  translation 0 -2 0
  children Shape{appearance Appearance{material Material{}} geometry Box{}}	
}
Transform
{
  translation -2 0 0
  children Shape{appearance Appearance{material Material{}} geometry Sphere{}}	
}

#VRML V2.0 utf8

NavigationInfo { headlight FALSE }

Transform

{

translation 0 2 0

children Shape{appearance Appearance{material Material{}} geometry Cone{}}

}

Transform

{

translation 2 0 0

children Shape{appearance Appearance{material Material{}} geometry Cylinder{}}

}

Transform

{

translation 0 -2 0

children Shape{appearance Appearance{material Material{}} geometry Box{}}

}

Transform

{

translation -2 0 0

children Shape{appearance Appearance{material Material{}} geometry Sphere{}}

}

Punti di vista #1

Posted on 02/01/2018 by admin

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Si può cambiare il punto di osservazione, vista, utilizzando la voce Viewpoints del menu contestuale

#VRML V2.0 utf8

Viewpoint
{
    description "START"
    position 0 0 20
}

Viewpoint
{
    description "SOTTO"
    position 0 -20 0
    orientation 1 0 0 1.5708
}

Viewpoint
{
    description "CAPOVOLTO"
    position 0 0 20
    orientation 0 0 1 3.14159
}

Inline { url "http://www.valcon.it/vrml-/quartiere1.wrl" }

#VRML V2.0 utf8

Viewpoint

{

description "START"

position 0 0 20

}

Viewpoint

{

description "SOTTO"

position 0 -20 0

orientation 1 0 0 1.5708

}

Viewpoint

{

description "CAPOVOLTO"

position 0 0 20

orientation 0 0 1 3.14159

}

Inline { url "http://www.valcon.it/vrml-/quartiere1.wrl" }