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2017-09-24 01:45:36 +02:00 · 2017-09-24 01:45:36 +02:00 · 43352ff262
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--- a/WATER/SHAPES2.INC
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+// Persistence Of Vision Raytracer 
+// Standard shapes include file #2.
+//
+/* Contents:
+		   Tetrahedron
+		   Octahedron
+		   Dodecahedron
+		   Icosahedron
+		   Rhomboid
+		   Hexagon
+		   HalfCone_Y
+		   Pyramid
+		   Pyramid2 
+		   Square_X
+		   Square_Y
+		   Square_Z
+*/
+
+
+
+// Shapes by Tom Price [75300,620]:
+#declare Tetrahedron = intersection {
+   plane { <0.0 -1.0 0.0> 1.0 }
+   plane { <0.0 0.0 -1.0> 1.0 rotate <19.47 0.0 0.0> }
+   plane { <0.0 0.0 -1.0> 1.0 rotate <19.47 -120.0 0.0> }
+   plane { <0.0 0.0 -1.0> 1.0 rotate <19.47 120.0 0.0> }
+}
+
+#declare Octahedron = intersection {
+   plane { <0.0 0.0 1.0> 1.0 rotate <35.26438968275 0.0 0.0> }
+   plane { <0.0 0.0 1.0> 1.0 rotate <-35.26438968275 0.0 0.0> }
+   plane { <0.0 0.0 -1.0> 1.0 rotate <35.26438968275 0.0 0.0> }
+   plane { <0.0 0.0 -1.0> 1.0 rotate <-35.26438968275 0.0 0.0> }
+
+   plane { <1.0 0.0 0.0> 1.0 rotate <0.0 0.0 -35.26438968275> }
+   plane { <1.0 0.0 0.0> 1.0 rotate <0.0 0.0 35.26438968275> }
+   plane { <-1.0 0.0 0.0> 1.0 rotate <0.0 0.0 -35.26438968275> }
+   plane { <-1.0 0.0 0.0> 1.0 rotate <0.0 0.0 35.26438968275> }
+}
+
+#declare Dodecahedron = intersection {
+   plane { <0.0 0.0 -1.0>  1.0 rotate <-26.56505117708 0.0 0.0> }
+   plane { <0.0 0.0 -1.0>  1.0 rotate <-26.56505117708 -72.0 0.0> }
+   plane { <0.0 0.0 -1.0>  1.0 rotate <-26.56505117708 -144.0 0.0> }
+   plane { <0.0 0.0 -1.0>  1.0 rotate <-26.56505117708 -216.0 0.0> }
+   plane { <0.0 0.0 -1.0>  1.0 rotate <-26.56505117708 -288.0 0.0> }
+
+   plane { <0.0 0.0 -1.0>  1.0 rotate <26.56505117708 -36.0 0.0> }
+   plane { <0.0 0.0 -1.0>  1.0 rotate <26.56505117708 -108.0 0.0> }
+   plane { <0.0 0.0 -1.0>  1.0 rotate <26.56505117708 -180.0 0.0> }
+   plane { <0.0 0.0 -1.0>  1.0 rotate <26.56505117708 -252.0 0.0> }
+   plane { <0.0 0.0 -1.0>  1.0 rotate <26.56505117708 -324.0 0.0> }
+
+   plane { <0.0 1.0 0.0> 1.0 }
+   plane { <0.0 -1.0 0.0> 1.0 }
+}
+
+#declare Icosahedron = intersection {
+
+   plane { <0.0 0.0 -1.0> 1.0 rotate <52.6625 0.0 0.0> }
+   plane { <0.0 0.0 -1.0> 1.0 rotate <52.6625 -72.0 0.0> }
+   plane { <0.0 0.0 -1.0> 1.0 rotate <52.6625 -144.0 0.0> }
+   plane { <0.0 0.0 -1.0> 1.0 rotate <52.6625 -216.0 0.0> }
+   plane { <0.0 0.0 -1.0> 1.0 rotate <52.6625 -288.0 0.0> }
+
+   plane { <0.0 0.0 -1.0> 1.0 rotate <10.8125 0.0 0.0> }
+   plane { <0.0 0.0 -1.0> 1.0 rotate <10.8125 -72.0 0.0> }
+   plane { <0.0 0.0 -1.0> 1.0 rotate <10.8125 -144.0 0.0> }
+   plane { <0.0 0.0 -1.0> 1.0 rotate <10.8125 -216.0 0.0> }
+   plane { <0.0 0.0 -1.0> 1.0 rotate <10.8125 -288.0 0.0> }
+
+   plane { <0.0 0.0 -1.0> 1.0 rotate <-52.6625 -36.0 0.0> }
+   plane { <0.0 0.0 -1.0> 1.0 rotate <-52.6625 -108.0 0.0> }
+   plane { <0.0 0.0 -1.0> 1.0 rotate <-52.6625 -180.0 0.0> }
+   plane { <0.0 0.0 -1.0> 1.0 rotate <-52.6625 -252.0 0.0> }
+   plane { <0.0 0.0 -1.0> 1.0 rotate <-52.6625 -324.0 0.0> }
+
+   plane { <0.0 0.0 -1.0> 1.0 rotate <-10.8125 -36.0 0.0> }
+   plane { <0.0 0.0 -1.0> 1.0 rotate <-10.8125 -108.0 0.0> }
+   plane { <0.0 0.0 -1.0> 1.0 rotate <-10.8125 -180.0 0.0> }
+   plane { <0.0 0.0 -1.0> 1.0 rotate <-10.8125 -252.0 0.0> }
+   plane { <0.0 0.0 -1.0> 1.0 rotate <-10.8125 -324.0 0.0> }
+}
+
+// Shapes by others
+
+// Convenient  finite cone primitive, pointing up in the Y axis
+// Cone_Y, X & Z in SHAPES.INC should be used instead of this shape
+#declare HalfCone_Y = intersection {
+   quadric { // QCone_Y
+      <1.0 -1.0 1.0>
+      <0.0 0.0 0.0>
+      <0.0 0.0 0.0>
+       0.0
+   }
+   plane { <0 1 0 >  0 }
+   plane { <0 1 0 > -2 inverse }
+   translate <0 1 0>
+   scale <0.5 1 0.5>
+}
+
+/* Hexagonal Solid, axis along x */
+#declare  Hexagon = intersection {
+   plane { <0.0 0.0 1.0> 1.0  }  /* Rotate 90 in z axis to stand up */
+   plane { <0.0 0.0 1.0> 1.0 rotate <60.0 0.0 0.0> }
+   plane { <0.0 0.0 1.0> 1.0 rotate <120.0 0.0 0.0> }
+   plane { <0.0 0.0 1.0> 1.0 rotate <180.0 0.0 0.0> }
+   plane { <0.0 0.0 1.0> 1.0 rotate <240.0 0.0 0.0> }
+   plane { <0.0 0.0 1.0> 1.0 rotate <300.0 0.0 0.0> }
+   plane { <1.0 0.0 0.0> 1.0 }
+   plane { <1.0 0.0 0.0> -1.0 inverse }
+}
+
+/* Three Dimensional 4-Sided Diamond */
+#declare Rhomboid = intersection {
+   plane { <-1.0  0.0  0.0>  1.0 rotate <0.0 0.0 -30.0> }
+   plane { < 1.0  0.0  0.0>  1.0 rotate <0.0 0.0 -30.0> }
+   plane { < 0.0  0.0  1.0>  1.0 }
+   plane { < 0.0  0.0 -1.0>  1.0 }
+   plane { < 0.0  1.0  0.0>  1.0 }
+   plane { < 0.0 -1.0  0.0>  1.0 }
+}
+
+// Classic four-sided pyramids.
+// The first can't be used correctly in CSG, the second can.
+#declare Pyramid = intersection {
+   union { // This isn't true CSG, it's just used for convenience
+      triangle { <-1 0 -1> <+1 0 -1> <0 1 0>  }
+      triangle { <+1 0 -1> <+1 0 +1> <0 1 0>  }
+      triangle { <-1 0 +1> <+1 0 +1> <0 1 0>  }
+      triangle { <-1 0 +1> <-1 0 -1> <0 1 0>  }
+   }
+   scale <1 2 1>
+   translate <0 -1 0>
+}
+#declare Pyramid2 = intersection {
+   plane { <1 0 0> 1  rotate <0 0 40> }
+   plane { <-1 0 0> 1 rotate <0 0 -40>}
+   plane { <0 0 1> 1  rotate <-40 0 0> }
+   plane { <0 0 -1> 1 rotate <40 0 0> }
+   plane { <0 -1 0> 0 }
+   translate <0 -1 0>
+}
+
+// These next three are finite planes.
+#declare Square_X =  union {    /* Scale-able plane in x */
+   triangle { < 0  1 -1> < 0 -1  1> < 0  1  1>  }
+   triangle { < 0  1 -1> < 0 -1  1> < 0 -1 -1>  }
+}
+
+#declare Square_Y =  union {    /* Scale-able plane in y */
+   triangle { <-1 0 1>   < 1 0 -1>  <1 0 1>  }
+   triangle { <-1 0  1>  < 1 0 -1>  <-1 0 -1>}
+}
+
+#declare Square_Z =  union {    /* Scale-able plane in z */
+   triangle { <-1 1 0.0> <1 -1 0.0> <-1 -1 0.0> }
+   triangle { <-1 1 0.0> <1 -1 0.0> <1 1 0.0>   }
+}