159 lines
5.6 KiB
PHP
159 lines
5.6 KiB
PHP
// Persistence Of Vision Raytracer
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// Standard shapes include file #2.
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//
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/* Contents:
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Tetrahedron
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Octahedron
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Dodecahedron
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Icosahedron
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Rhomboid
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Hexagon
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HalfCone_Y
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Pyramid
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Pyramid2
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Square_X
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Square_Y
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Square_Z
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*/
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// Shapes by Tom Price [75300,620]:
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#declare Tetrahedron = intersection {
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plane { <0.0 -1.0 0.0> 1.0 }
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plane { <0.0 0.0 -1.0> 1.0 rotate <19.47 0.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <19.47 -120.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <19.47 120.0 0.0> }
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}
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#declare Octahedron = intersection {
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plane { <0.0 0.0 1.0> 1.0 rotate <35.26438968275 0.0 0.0> }
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plane { <0.0 0.0 1.0> 1.0 rotate <-35.26438968275 0.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <35.26438968275 0.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <-35.26438968275 0.0 0.0> }
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plane { <1.0 0.0 0.0> 1.0 rotate <0.0 0.0 -35.26438968275> }
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plane { <1.0 0.0 0.0> 1.0 rotate <0.0 0.0 35.26438968275> }
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plane { <-1.0 0.0 0.0> 1.0 rotate <0.0 0.0 -35.26438968275> }
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plane { <-1.0 0.0 0.0> 1.0 rotate <0.0 0.0 35.26438968275> }
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}
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#declare Dodecahedron = intersection {
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plane { <0.0 0.0 -1.0> 1.0 rotate <-26.56505117708 0.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <-26.56505117708 -72.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <-26.56505117708 -144.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <-26.56505117708 -216.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <-26.56505117708 -288.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <26.56505117708 -36.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <26.56505117708 -108.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <26.56505117708 -180.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <26.56505117708 -252.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <26.56505117708 -324.0 0.0> }
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plane { <0.0 1.0 0.0> 1.0 }
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plane { <0.0 -1.0 0.0> 1.0 }
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}
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#declare Icosahedron = intersection {
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plane { <0.0 0.0 -1.0> 1.0 rotate <52.6625 0.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <52.6625 -72.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <52.6625 -144.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <52.6625 -216.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <52.6625 -288.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <10.8125 0.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <10.8125 -72.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <10.8125 -144.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <10.8125 -216.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <10.8125 -288.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <-52.6625 -36.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <-52.6625 -108.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <-52.6625 -180.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <-52.6625 -252.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <-52.6625 -324.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <-10.8125 -36.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <-10.8125 -108.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <-10.8125 -180.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <-10.8125 -252.0 0.0> }
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plane { <0.0 0.0 -1.0> 1.0 rotate <-10.8125 -324.0 0.0> }
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}
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// Shapes by others
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// Convenient finite cone primitive, pointing up in the Y axis
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// Cone_Y, X & Z in SHAPES.INC should be used instead of this shape
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#declare HalfCone_Y = intersection {
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quadric { // QCone_Y
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<1.0 -1.0 1.0>
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<0.0 0.0 0.0>
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<0.0 0.0 0.0>
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0.0
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}
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plane { <0 1 0 > 0 }
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plane { <0 1 0 > -2 inverse }
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translate <0 1 0>
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scale <0.5 1 0.5>
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}
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/* Hexagonal Solid, axis along x */
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#declare Hexagon = intersection {
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plane { <0.0 0.0 1.0> 1.0 } /* Rotate 90 in z axis to stand up */
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plane { <0.0 0.0 1.0> 1.0 rotate <60.0 0.0 0.0> }
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plane { <0.0 0.0 1.0> 1.0 rotate <120.0 0.0 0.0> }
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plane { <0.0 0.0 1.0> 1.0 rotate <180.0 0.0 0.0> }
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plane { <0.0 0.0 1.0> 1.0 rotate <240.0 0.0 0.0> }
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plane { <0.0 0.0 1.0> 1.0 rotate <300.0 0.0 0.0> }
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plane { <1.0 0.0 0.0> 1.0 }
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plane { <1.0 0.0 0.0> -1.0 inverse }
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}
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/* Three Dimensional 4-Sided Diamond */
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#declare Rhomboid = intersection {
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plane { <-1.0 0.0 0.0> 1.0 rotate <0.0 0.0 -30.0> }
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plane { < 1.0 0.0 0.0> 1.0 rotate <0.0 0.0 -30.0> }
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plane { < 0.0 0.0 1.0> 1.0 }
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plane { < 0.0 0.0 -1.0> 1.0 }
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plane { < 0.0 1.0 0.0> 1.0 }
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plane { < 0.0 -1.0 0.0> 1.0 }
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}
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// Classic four-sided pyramids.
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// The first can't be used correctly in CSG, the second can.
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#declare Pyramid = intersection {
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union { // This isn't true CSG, it's just used for convenience
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triangle { <-1 0 -1> <+1 0 -1> <0 1 0> }
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triangle { <+1 0 -1> <+1 0 +1> <0 1 0> }
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triangle { <-1 0 +1> <+1 0 +1> <0 1 0> }
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triangle { <-1 0 +1> <-1 0 -1> <0 1 0> }
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}
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scale <1 2 1>
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translate <0 -1 0>
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}
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#declare Pyramid2 = intersection {
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plane { <1 0 0> 1 rotate <0 0 40> }
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plane { <-1 0 0> 1 rotate <0 0 -40>}
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plane { <0 0 1> 1 rotate <-40 0 0> }
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plane { <0 0 -1> 1 rotate <40 0 0> }
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plane { <0 -1 0> 0 }
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translate <0 -1 0>
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}
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// These next three are finite planes.
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#declare Square_X = union { /* Scale-able plane in x */
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triangle { < 0 1 -1> < 0 -1 1> < 0 1 1> }
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triangle { < 0 1 -1> < 0 -1 1> < 0 -1 -1> }
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}
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#declare Square_Y = union { /* Scale-able plane in y */
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triangle { <-1 0 1> < 1 0 -1> <1 0 1> }
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triangle { <-1 0 1> < 1 0 -1> <-1 0 -1>}
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}
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#declare Square_Z = union { /* Scale-able plane in z */
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triangle { <-1 1 0.0> <1 -1 0.0> <-1 -1 0.0> }
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triangle { <-1 1 0.0> <1 -1 0.0> <1 1 0.0> }
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}
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