plunkerでopenjscad その12

概要

plunkerでopenjscadやってみる。
練習問題やってみた。

練習問題

MQOをパースして、描画せよ。

写真

サンプルコード

function main() {
	var mqo = 
"Metasequoia Document\n" +
"Format Text Ver 1.0\n" +
"\n" +
"Scene {\n" +
"  pos 0.0000 0.0000 1500.0000\n" +
"  lookat 0.0000 0.0000 0.0000\n" +
"  head 3.7864\n" +
"  pich 0.2392\n" +
"  ortho 0\n" +
"  zoom2 5.0000\n" +
"  amb 0.250 0.250 0.250\n" +
"}\n" +
"Material 2 {\n" +
'  "mat1" col(1.000 0.000 0.000 1.000) dif(0.800) amb(0.600) emi(0.000) spc(0.000) power(5.00)\n' +
'  "mat2" col(1.000 0.647 0.000 1.000) dif(0.800) amb(0.600) emi(0.000) spc(0.000) power(5.00)\n' +
"}\n" +
'Object "obj1" {\n' +
"  visible 15\n" +
"  locking 0\n" +
"  shading 0\n" +
"  facet 59.5\n" +
"  color 0.898 0.498 0.698\n" +
"  color_type 0\n" +
"  vertex 8 {\n" +
"    -100.0000 100.0000 100.0000\n" +
"    -100.0000 -100.0000 100.0000\n" +
"     100.0000 100.0000 100.0000\n" +
"     100.0000 -100.0000 100.0000\n" +
"     100.0000 100.0000 -100.0000\n" +
"     100.0000 -100.0000 -100.0000\n" +
"    -100.0000 100.0000 -100.0000\n" +
"    -100.0000 -100.0000 -100.0000\n" +
"  }\n" +
"  face 6 {\n" +
"    4 V(0 2 3 1) M(0) UV(0.00000 0.00000 1.00000 0.00000 1.00000 1.00000 0.00000 1.00000)\n" +
"    4 V(2 4 5 3) M(1) UV(0.00000 0.00000 1.00000 0.00000 1.00000 1.00000 0.00000 1.00000)\n" +
"    4 V(4 6 7 5) M(0) UV(0.00000 0.00000 1.00000 0.00000 1.00000 1.00000 0.00000 1.00000)\n" +
"    4 V(6 0 1 7) M(0) UV(0.00000 0.00000 1.00000 0.00000 1.00000 1.00000 0.00000 1.00000)\n" +
"    4 V(6 4 2 0) M(0) UV(0.00000 0.00000 1.00000 0.00000 1.00000 1.00000 0.00000 1.00000)\n" +
"    4 V(1 3 5 7) M(0) UV(0.00000 0.00000 1.00000 0.00000 1.00000 1.00000 0.00000 1.00000)\n" +
"  }\n" +
"}\n" +
"Eof";
	var points = [];
	var faces = [];
  var textArray = mqo.split(/\r\n|\r|\n/);
	for (var i = 0; i < textArray.length; i++)
	{
		var line = textArray[i];
		if (line.indexOf('    4') === 0)
		{
			line = line.replace('    4 V(', '');
			var tmp = line.replace(')', '');
			var p = tmp.split(' '); 
			faces.push([p[0], p[1], p[2]]);
			faces.push([p[0], p[2], p[3]]);
		}
		else if (line.indexOf('    ') === 0)
		{
			line = line.trim();
			var tmp = line.split(' ');
			points.push([tmp[0], tmp[1], tmp[2]]);
		}
	}
	return CSG.polyhedron({
		points: points,
		faces: faces
	});
}

成果物

以上。