Extrusion

[nt3d] / box_by_extrude.html
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+<html>
+  <head>
+    <title>Box by extrude</title>
+    <script type="text/javascript" src="nt3d.js"></script>
+    <script type="text/javascript">
+      function box_by_extrude(size_as_string) {
+        var size = parseFloat(size_as_string);
+        var origin = [0,    0   ];
+        var x      = [size, 0   ];
+        var y      = [0,    size];
+        var xy     = [size, size];
+       return nt3d.extrude([origin, x, xy, y],
+                           [[0, 0, 0], [0, 0, 1]],
+                           [[0, 0, 1], [0, 0, 1]],
+                           [[1, 0, 0], [1, 0, 0]]);
+      }
+      var params = [["Size", 1]];
+    </script>
+  </head>
+  <body onload="nt3d.framework(box_by_extrude, params)">
+    <h1>Box by extrude</h1>
+    <p>Make a box by extruding a square.</p>
+  </body>
+</html>