#VRML V2.0 utf8
#
#  Spiral flow with particle paths
#  espiralm.wrl
#        by David R. Nadeau
#
#  Show how to move a set of particles (spheres) along a
#  pre-computed animation path.  Such an approach might be
#  used to visualize the results of a fluid flow simulation.
#

WorldInfo {
	title "Spiral flow with particle paths"
	info [ "Copyright (c) 1997, David R. Nadeau" ]
}

Viewpoint {
	position 0.0 8.0 30.0
	description "Entry view"
}

NavigationInfo {
	type [ "EXAMINE", "ANY" ]
	headlight TRUE
}

#
#  Center pole
#
Transform {
	translation 0.0 8.0 0.0
	children [
		Shape {
			appearance DEF BaseColor Appearance {
				material Material {
					diffuseColor 0.0 0.5 1.0
				}
			}
			geometry Cylinder {
				height 18.0
				radius 0.5
			}
		}
	]
}

#
#  Ground under pole
#
Transform {
	translation 0.0 -1.0 0.0
	children [
		Shape {
			appearance USE BaseColor
			geometry Cylinder {
				height 0.25
				radius 6.0
			}
		}
	]
}


#
#  Particle source
#
Transform {
	translation 0.00 16.00 0.00
	children [
		Transform {
			translation 4.50 0.0 -1.0
			rotation 1.0 0.0 0.0 -1.571
			children Shape {
				appearance USE BaseColor
				#geometry Box { size 2.5 2.5 2.5 }
				geometry Cone {
					height 2.5
					bottomRadius 1.2
				}
			}
		}
		Transform {
			translation 2.25 0.0 0.0
			children Shape {
				appearance USE BaseColor
				geometry Box { size 4.5 0.5 0.5 }
			}
		}
	]
}


#
#  Particle sink
#
Transform {
	children [
		Transform {
			translation 4.50 0.0 1.0
			rotation 1.0 0.0 0.0 1.571
			children Shape {
				appearance USE BaseColor
				#geometry Box { size 2.5 2.5 2.5 }
				geometry Cone {
					height 2.5
					bottomRadius 1.2
				}
			}
		}
		Transform {
			translation 2.25 0.0 0.0
			children Shape {
				appearance USE BaseColor
				geometry Box { size 4.5 0.5 0.5 }
			}
		}
	]
}

Inline { url "espiral.wrl" }