Une bille joyeuse qui demande au préalable le rendu du script "sign.pov" que vous pouvez étudier à la fin de cette page.

Utilisation : Les liens ne sont pas apparents. Pour obtenir des informations sur un mot clé, cliquez-le dans le script !

// Persistence Of Vision raytracer version 3.5 sample file.
// "No More Chrome Spheres Please!"
// Copyright 2001 Rune S. Johansen
// 
// The "chrome sphere over checkered plane" is an overused raytracing cliche.
// The last thing we need is another of those images...
// 
// ...but who cares! ;)
// 
// NOTE:
// First render the file SIGN.POV and then render this file.

global_settings {max_trace_level 5}

#declare ChromeFinish =
finish {brilliance 2.5 phong 1 reflection {0.5}}

#declare Sphere =
union {
	#declare Back =
		bicubic_patch {
			type 1 flatness 0 u_steps 5 v_steps 5
			<1, 0.000, 0.000>, <1, 0.553, 0.000>, <0.553, 1.000, 0.000>, <0, 1.000, 0.000>,
			<1, 0.006,-0.003>, <1, 0.553,-0.300>, <0.553, 1.000,-0.553>, <0, 1.000,-0.553>,
			<1, 0.003,-0.006>, <1, 0.300,-0.553>, <0.553, 0.553,-1.000>, <0, 0.553,-1.000>,
			<1, 0.000, 0.000>, <1, 0.000,-0.553>, <0.553, 0.000,-1.000>, <0, 0.000,-1.000>
		}
	#declare Upper =
		bicubic_patch {
			type 1 flatness 0 u_steps 5 v_steps 5
			<1.000, 0.000, 0>, <1.000, 0.000, 0.553>, <1.039, 0.1, 0.6>, <0.779, 0.1, 0.45>,
			<1.000, 0.553, 0>, <1.000, 0.553, 0.553>, <1.039, 0.1, 0.6>, <0.779, 0.1, 0.45>,
			<0.553, 1.000, 0>, <0.553, 1.000, 0.850>, <0.450, 0.1, 1.2>, <0.450, 0.1, 0.90>,
			<0.000, 1.000, 0>, <0.000, 1.000, 0.850>, <0.000, 0.1, 1.2>, <0.000, 0.1, 0.90>
		}
	#declare Lower =
		bicubic_patch {
			type 1 flatness 0 u_steps 5 v_steps 5
			<1.000, 0.000, 0>, <1.000, 0.000, 0.553>, <1.039, 0.1, 0.6>, <0.779, 0.1, 0.45>,
			<1.000,-0.553, 0>, <1.000,-0.553, 0.553>, <1.039,-0.6, 0.6>, <0.779,-0.6, 0.45>,
			<0.553,-1.000, 0>, <0.553,-1.000, 0.850>, <0.450,-0.4, 1.2>, <0.450,-0.4, 0.90>,
			<0.000,-1.000, 0>, <0.000,-1.000, 0.850>, <0.000,-0.4, 1.2>, <0.000,-0.4, 0.90>
		}
// Chrome "sphere"
	union {
		object {Back scale <-1,-1, 1>}
		object {Back scale <1,-1, 1>}
		object {Back scale <-1, 1, 1>}
		object {Back scale <1, 1, 1>}
		object {Upper scale <-1, 1, 1>}
		object {Upper scale <1, 1, 1>}
		object {Lower scale <-1, 1, 1>}
		object {Lower scale <1, 1, 1>}
		pigment {color rgb 0.7}
		finish {ChromeFinish}
	}
// Black "disc" to block view of inside of chrome sphere
	sphere {
		0, 1 scale <0.999, 0.999, 0.1>
		pigment {color 0}
	}
// Teeth
	union {
		torus {0.7, 0.05 scale <1, 3, 1> translate <0, 0.10, 0.2>}
		torus {0.7, 0.05 scale <1, 3, 1> translate <0,-0.50, 0.2>}
		pigment {color rgb 2}
		finish {ChromeFinish}
	}
// Tungue
	blob {
		threshold 1
		#declare X = 0;
		#declare Y = 40;
		#while (X<=Y)
			#declare V = X/Y;
			#declare W = 2*sin(acos(V))+0.001;
			cylinder {
				-x*W, x*W, 0.7, 0.5
				scale 0.2+0.1*V
				translate y
				rotate (-45+95*V)*x
				translate <0,-1.3, 0.8>
			}
			#declare X = X+1;
		#end
		pigment {color <1, 0, 0>}
		finish {ChromeFinish}
	}
}

#declare Sign =
union {
	superellipsoid {
		0.15
		texture {
			pigment {image_map {"sign"} scale 2 translate -1}
			finish {ambient 0.1 diffuse 0.8 phong 1}
		}
		texture {	// dirt layer
			pigment {
				bozo scale 0.3
				turbulence 1
				color_map {[0.5, rgbt <0.7, 0.6, 0.5, 1.0>][1.0, rgbt <0.7, 0.6, 0.5, 0.8>]}
			}
		}
		scale <0.7, 0.7, 0.02>
		translate <0, 1.8,-0.12>
	}
	cylinder {
		0, 2.6*y, 0.1
		pigment {color rgb 0.8}
		normal {bumps 0.1 scale 0.01}
		finish {brilliance 2 phong 1 reflection {0.2}}
	}
}

#declare Plane =
plane {
	y, 0
	texture {
		pigment {
			checker
			pigment {
				gradient x triangle_wave turbulence 1
				color_map {[0, color rgb 0.0][1, color rgb 0.2]}
			}
			pigment {
				gradient z triangle_wave turbulence 1
				color_map {[0, color rgb 1.0][1, color rgb 0.8]}
			}
		}
		finish {ambient 0.1 diffuse 0.7 phong 1 reflection {0.2}}
	}
	texture {
		pigment {
			boxed translate <1, 0, 1> scale 0.5
			warp {repeat x} warp {repeat z}
			color_map {[0, color transmit 0][0.03, color transmit 1]}
		}
	}
}

camera {
	location <6, 0.9,-3>
	angle 70
	look_at <0, 2.4,-0.7>
}

light_source {<2, 3,-1>*1000, color <0.8, 0.9, 1.0>}
light_source {<3, 1,+1>*1000, color <0.2, 0.2, 0.2>}
light_source {<1, 1,-3>*1000, color <0.4, 0.4, 0.3>}

sky_sphere {
	pigment {
		gradient y translate -0.5*y scale 4
		turbulence 0.05 octaves 7 lambda 5.0 omega 0.6
		color_map {
			[0.50, color <0.6, 0.3, 0.8>]
			[0.75, color <0.1, 0.2, 0.5 >]
		}
	}
}

fog {
	fog_type 2
	color <0.6, 0.3, 0.8>
	distance 50
	fog_offset 0
	fog_alt 2
}

object {Sphere rotate 45*y translate <-1, 2,-2>}
object {Sign translate 2*z}
object {Plane}