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dotSCAD/examples/turtle/tree.scad

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use <line3d.scad>;
use <turtle/t3d.scad>;
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module tree(t, leng, leng_scale1, leng_scale2, leng_limit,
angleZ, angleX, width) {
if(leng > leng_limit) {
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t2 = t3d(t, "xforward", leng = leng);
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line3d(
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t3d(t, "point"), t3d(t2, "point"),
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width);
tree(
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t3d(t2, "zturn", angle = angleZ),
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leng * leng_scale1, leng_scale1, leng_scale2, leng_limit,
angleZ, angleX,
width);
tree(
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t3d(t2, "xturn", angle = angleX),
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leng * leng_scale2, leng_scale1, leng_scale2, leng_limit,
angleZ, angleX,
width);
}
}
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leng = 20;
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leng_limit = 1;
leng_scale1 = 0.4;
leng_scale2 = 0.9;
angleZ = 60;
angleX = 135;
width = 2;
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t = t3d(point = [0, 0, 0]);
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tree(t, leng, leng_scale1, leng_scale2, leng_limit,
angleZ, angleX, width);