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// Persistence Of Vision raytracer version 3.5 sample file. // "Pawns", a study in wood... three pawns on a chessboard // File by Douglas Otwell global_settings {assumed_gamma 1.8} #include "colors.inc" #include "shapes.inc" #include "textures.inc" // Yellow pine, close grained #declare Yellow_Pine = texture { pigment { wood turbulence 0.02 color_map { [0.000, 0.222 color red 0.808 green 0.671 blue 0.251 filter 0.000 color red 0.808 green 0.671 blue 0.251 filter 0.000] [0.222, 0.342 color red 0.808 green 0.671 blue 0.251 filter 0.000 color red 0.600 green 0.349 blue 0.043 filter 0.000] [0.342, 0.393 color red 0.600 green 0.349 blue 0.043 filter 0.000 color red 0.808 green 0.671 blue 0.251 filter 0.000] [0.393, 0.709 color red 0.808 green 0.671 blue 0.251 filter 0.000 color red 0.808 green 0.671 blue 0.251 filter 0.000] [0.709, 0.821 color red 0.808 green 0.671 blue 0.251 filter 0.000 color red 0.533 green 0.298 blue 0.027 filter 0.000] [0.821, 1 color red 0.533 green 0.298 blue 0.027 filter 0.000 color red 0.808 green 0.671 blue 0.251 filter 0.000] } scale 0.1 translate 10*x } } // Yellow_Pine layer 2 texture { pigment { wood turbulence 0.01 color_map { [0.000, 0.120 color red 1.000 green 1.000 blue 1.000 filter 1.000 color red 0.702 green 0.412 blue 0.118 filter 0.608] [0.120, 0.231 color red 0.702 green 0.412 blue 0.118 filter 0.608 color red 0.702 green 0.467 blue 0.118 filter 0.608] [0.231, 0.496 color red 0.702 green 0.467 blue 0.118 filter 0.608 color red 1.000 green 1.000 blue 1.000 filter 1.000] [0.496, 0.701 color red 1.000 green 1.000 blue 1.000 filter 1.000 color red 1.000 green 1.000 blue 1.000 filter 1.000] [0.701, 0.829 color red 1.000 green 1.000 blue 1.000 filter 1.000 color red 0.702 green 0.467 blue 0.118 filter 0.608] [0.829, 1 color red 0.702 green 0.467 blue 0.118 filter 0.608 color red 1.000 green 1.000 blue 1.000 filter 1.000] } scale 0.5 translate 10*x } } // Rosewood #declare Rosewood = texture { pigment { bozo turbulence 0.04 color_map { [0.000, 0.256 color red 0.204 green 0.110 blue 0.078 filter 0.000 color red 0.231 green 0.125 blue 0.090 filter 0.000] [0.256, 0.393 color red 0.231 green 0.125 blue 0.090 filter 0.000 color red 0.247 green 0.133 blue 0.090 filter 0.000] [0.393, 0.581 color red 0.247 green 0.133 blue 0.090 filter 0.000 color red 0.204 green 0.110 blue 0.075 filter 0.000] [0.581, 0.726 color red 0.204 green 0.110 blue 0.075 filter 0.000 color red 0.259 green 0.122 blue 0.102 filter 0.000] [0.726, 0.983 color red 0.259 green 0.122 blue 0.102 filter 0.000 color red 0.231 green 0.125 blue 0.086 filter 0.000] [0.983, 1 color red 0.231 green 0.125 blue 0.086 filter 0.000 color red 0.204 green 0.110 blue 0.078 filter 0.000] } scale <0.5, 0.5, 1> translate 10*x } finish { ambient 0.5 diffuse 0.8 } } // Rosewood layer 2 texture { pigment { wood turbulence 0.04 color_map { [0.000, 0.139 color red 0.545 green 0.349 blue 0.247 filter 1.000 color red 0.000 green 0.000 blue 0.000 filter 0.004] [0.139, 0.148 color red 0.000 green 0.000 blue 0.000 filter 0.004 color red 0.000 green 0.000 blue 0.000 filter 0.004] [0.148, 0.287 color red 0.000 green 0.000 blue 0.000 filter 0.004 color red 0.545 green 0.349 blue 0.247 filter 1.000] [0.287, 0.443 color red 0.545 green 0.349 blue 0.247 filter 1.000 color red 0.545 green 0.349 blue 0.247 filter 1.000] [0.443, 0.626 color red 0.545 green 0.349 blue 0.247 filter 1.000 color red 0.000 green 0.000 blue 0.000 filter 0.004] [0.626, 0.635 color red 0.000 green 0.000 blue 0.000 filter 0.004 color red 0.000 green 0.000 blue 0.000 filter 0.004] [0.635, 0.843 color red 0.000 green 0.000 blue 0.000 filter 0.004 color red 0.545 green 0.349 blue 0.247 filter 1.000] [0.843, 1 color red 0.545 green 0.349 blue 0.247 filter 1.000 color red 0.545 green 0.349 blue 0.247 filter 1.000] } scale <0.5, 0.5, 1> translate <10, 0, 0> } finish { ambient 0.5 diffuse 0.8 } } // Sandalwood (makes a great burled maple, too) #declare Sandalwood = texture { pigment { bozo turbulence 0.2 color_map { [0.000, 0.171 color red 0.725 green 0.659 blue 0.455 filter 0.000 color red 0.682 green 0.549 blue 0.420 filter 0.000] [0.171, 0.274 color red 0.682 green 0.549 blue 0.420 filter 0.000 color red 0.557 green 0.451 blue 0.322 filter 0.000] [0.274, 0.393 color red 0.557 green 0.451 blue 0.322 filter 0.000 color red 0.725 green 0.659 blue 0.455 filter 0.000] [0.393, 0.564 color red 0.725 green 0.659 blue 0.455 filter 0.000 color red 0.682 green 0.549 blue 0.420 filter 0.000] [0.564, 0.701 color red 0.682 green 0.549 blue 0.420 filter 0.000 color red 0.482 green 0.392 blue 0.278 filter 0.000] [0.701, 1 color red 0.482 green 0.392 blue 0.278 filter 0.000 color red 0.725 green 0.659 blue 0.455 filter 0.000] } scale <0.2, 0.2, 1> scale 2 } } // Sandalwood layer 2 texture { pigment { bozo turbulence 0.8 color_map { [0.000, 0.087 color red 0.682 green 0.604 blue 0.380 filter 1.000 color red 0.761 green 0.694 blue 0.600 filter 0.020] [0.087, 0.226 color red 0.761 green 0.694 blue 0.600 filter 0.020 color red 0.635 green 0.553 blue 0.325 filter 1.000] [0.226, 0.348 color red 0.635 green 0.553 blue 0.325 filter 1.000 color red 0.761 green 0.694 blue 0.600 filter 0.020] [0.348, 0.496 color red 0.761 green 0.694 blue 0.600 filter 0.020 color red 0.682 green 0.604 blue 0.380 filter 1.000] [0.496, 0.565 color red 0.682 green 0.604 blue 0.380 filter 1.000 color red 0.761 green 0.694 blue 0.600 filter 0.020] [0.565, 0.661 color red 0.761 green 0.694 blue 0.600 filter 0.020 color red 0.682 green 0.604 blue 0.380 filter 1.000] [0.661, 0.835 color red 0.682 green 0.604 blue 0.380 filter 1.000 color red 0.761 green 0.694 blue 0.600 filter 0.020] [0.835, 1 color red 0.761 green 0.694 blue 0.600 filter 0.020 color red 0.682 green 0.604 blue 0.380 filter 1.000] } scale 0.2 scale 2 } } // Lights, Camera ... camera { location <-8.0, 4.0,-14.0> direction <0.0, 0.0, 2.0> up <0.0, 1.0, 0.0> right <4/3, 0.0, 0.0> look_at <-2.0, 0.0,-4.0> } light_source {<100.0, 400.0,-600.0> color White} // a back-light to create a highlight on the board light_source {<12.0, 4.0, 12.0> color White} // We'll build our chessboard out of one big pine block and 32 // little rosewood ones #declare Fours = union { object {UnitBox texture { Rosewood finish { phong 0.3 ambient 0.5 diffuse 0.7 reflection 0.3 } } translate <-1,-1, 1> } object {UnitBox texture { Rosewood finish { phong 0.3 ambient 0.5 diffuse 0.7 reflection 0.3 } } translate <1,-1,-1> } } #declare Eights = union { object {Fours translate <-2, 0, 2> } object {Fours translate <2, 0, 2> } object {Fours translate <-2, 0,-2> } object {Fours translate <2, 0,-2> } } // Add another wood texture around the edges #declare rail = intersection { object {UnitBox scale <10, 0.25, 1> } plane {-x, 0 rotate 45*y translate -9*x } plane {x, 0 rotate -45*y translate 9*x } translate <0,-0.25,-9> texture { Sandalwood finish {phong 0.4} } } // Chessboard #declare Chessboard = union { object {Eights translate <-4, 0, 4> } object {Eights translate <4, 0, 4> } object {Eights translate <-4, 0,-4> } object {Eights translate <4, 0,-4> } object {UnitBox scale <8, 0.25, 8> translate -0.25*y } object {rail rotate 0*y} object {rail rotate 90*y} object {rail rotate 180*y} object {rail rotate 270*y} texture { Yellow_Pine finish { phong 0.5 reflection 0.3 } scale 2 } } // Pawn #declare pawn = union { difference { object {Disk_Y scale <8, 12.7468, 8>} quartic { <1.0, 0.0, 0.0, 0.0, 2.0, 0.0, 0.0, 2.0, 0.0,-738.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 2.0, 0.0, 162.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0,-738.0, 0.0, 6561.0> sturm } } quartic { <1.0, 0.0, 0.0, 0.0, 2.0, 0.0, 0.0, 2.0, 0.0,-132.5, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 2.0, 0.0, 123.5, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0,-132.5, 0.0, 3813.0625> sturm translate -11.2468*y } quartic { <1.0, 0.0, 0.0, 0.0, 2.0, 0.0, 0.0, 2.0, 0.0,-132.5, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 2.0, 0.0, 123.5, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0,-132.5, 0.0, 3813.0625> sturm translate 11.2468*y } // Base intersection { object {Disk_Y scale <12, 3, 12> translate -15.7468*y } object {QCone_Y translate -2*y } } // Ball on top sphere {<0, 17.7468, 0>, 7} bounded_by {object {Disk_Y scale <14, 26, 14>}} translate 18.7468*y scale 0.06 } // Now let's put the pieces together object {Chessboard} // Pawn 1 object {pawn texture { Yellow_Pine finish {phong 0.8} } rotate 60*y translate <-5, 0,-7> } // Pawn 2 object {pawn texture { Yellow_Pine finish {phong 0.8} } rotate 30*y translate <1, 0,-1> } // Pawn 3 object {pawn texture { Rosewood finish { phong 1.0 ambient 0.5 diffuse 0.7 } } rotate 30*y translate <0.72,-0.24, 0> rotate 96.2052*z translate <1, 0,-5> } // a background glow to add interest sphere {<0, 0, 0>, 1000 inverse hollow on pigment { gradient y color_map { [0.0 0.25 color Goldenrod color Goldenrod] [0.25 0.46 color Goldenrod color Black] [0.46 1.001 color Black color Black] } scale 2000 translate -1000*y } }
Et voici ce que nous obtenons :
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