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.

#version 3.1;
global_settings {assumed_gamma 2.2}

#include "stage1.inc"

#declare Radius = 2.5;
#declare RowSpace = 1.1;
#declare ColSpace = 1.1;
#declare Dist = -3;
#declare Row3 = 2;
#declare Row2 = Row3+Radius*RowSpace*2;
#declare Row1 = Row2+Radius*RowSpace*2;
#declare Col1 = -Radius*ColSpace*3;
#declare Col2 = Col1+Radius*ColSpace*2;
#declare Col3 = Col2+Radius*ColSpace*2;
#declare Col4 = Col3+Radius*ColSpace*2;
#declare Col5 = Col4+Radius*ColSpace*2;

camera {Camera1 translate <0, Row2,-110>}

#declare Fade = texture {
	pigment {
		gradient <1, 1, 0>
		color_map {
			[0.0 color Green]
			[0.3 color Green]
			[0.5 color Clear]
			[1.0 color Clear]
		}
		rotate z*45
	}
	finish {phong 1}
	scale 5
}

#declare Solid = texture {
	pigment {Green}
	finish {phong 1}
}

bicubic_patch {
	type 1 flatness 0.01 u_steps 4 v_steps 4,
	<0,-1.5, 2>, <1,-1.5, 0>, <2,-1.5, 0>, <3,-1.5,-2>,
	<0,-0.5, 0>, <1,-0.5, 0>, <2,-0.5, 0>, <3,-0.5, 0>,
	<0, 0.5, 0>, <1, 0.5, 0>, <2, 0.5, 0>, <3, 0.5, 0>,
	<0, 1.5, 2>, <1, 1.5, 0>, <2, 1.5, 0>, <3, 1.5,-2>
	texture {Solid}
	rotate -45*y
	translate <Col1, Row1, Dist>
}

blob {
	threshold 0.6
	component 1.0, 1.0, <0.75, 0, 0>
	component 1.0, 1.0, <-0.375, 0.64952, 0>
	component 1.0, 1.0, <-0.375,-0.64952, 0>
	texture {Solid}
	translate <Col1, Row1, Dist>
}

box {
	<-1,-1,-1>, <1, 1, 1>
	texture {Solid}
	rotate <-25, 15, 0>
	translate <Col3, Row1, Dist>
}

cone {
	x, 0.5,
	-x, 1.0
	rotate y*30
	texture {Solid}
	translate <Col4, Row1, Dist>
}

cylinder {
	x,-x, 1.0
	rotate y*30
	texture {Solid}
	translate <Col1, Row2, Dist>
}

cubic {
	// x*x + y*y*y + y*y + z*z -1 = 0
	<0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0.45, 0, 1, 0, 0, 0, 0, 1, 0,-1>
	sturm
	texture {Fade}
	clipped_by {object {UnitBox scale 2.5}}
	bounded_by {clipped_by}
	translate <Col2, Row2, Dist>
}

disc {
	<Col3, Row2, Dist>,	//center location
	<-1, 3,-2>,	//normal vector
	1.5,	//radius
	0.5	//hole radius (optional)
	texture {Solid}
}

height_field {
	png "plasma3.png"
	smooth
	texture {Solid}
	translate <-.5,-.5,-.5>
	scale <4, 2, 4>
	rotate <-35,-30, 0>
	translate <Col4, Row2, Dist>
}

plane {
	z, 0
	hollow on
	texture {Fade}
	clipped_by {object {UnitBox scale 3}}
	translate <Col1, Row3, Dist>
}

// x^4 - x^2 + y^2 + z^2 = 0
poly {4
	<1, 0, 0, 0, 0, 0, 0, 0, 0,-1,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 1, 0, 0, 0, 0,
	0, 0, 1, 0, 0>
	sturm
	scale 2
	texture {Solid}
	translate <Col2, Row3, Dist>
}

// y - x*x + z*z = 0
quadric {
	<-1, 0, 1>, <0, 0, 0>, <0, 1, 0>, 0
	texture {Fade}
	clipped_by {object {UnitBox scale 2}}
	translate <Col3, Row3, Dist>
}

quartic {
	// xxxx xxyy xxzz -2(rr+RR)xx
	<1, 0, 0, 0, 2, 0, 0, 2, 0,-2.5,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	//yyyy yyzz -2(rr-RR)yy
	1, 0, 0, 2, 0 1.5, 0, 0, 0, 0,
	//zzzz -2(rr+RR)zz (rr-RR)(rr-RR)
	1, 0,-2.5, 0, 0.5625>
	texture {Solid}
	rotate -45*x
	translate <Col4, Row3, Dist>
}

Et voici ce que nous obtenons (placez la souris sur une forme pour obtenir son type) :