mirror of
https://github.com/JustinSDK/dotSCAD.git
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75 lines
1.5 KiB
OpenSCAD
75 lines
1.5 KiB
OpenSCAD
use <pie.scad>
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radius = 15;
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height = 90;
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twist = 360;
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spacing = 0.35;
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$fn = 96;
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animation_demo = "NO"; // [YES, NO]
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if(animation_demo == "YES") {
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animation();
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}
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else {
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magatama(radius, height, "yang", spacing);
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translate([radius * 2, 0])
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magatama_dot(radius, height, "ying", spacing);
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}
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module magatama(radius, height, type, spacing) {
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half_r = radius / 2;
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color(type == "ying" ? "DarkSlateGray" : "white")
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linear_extrude(height, twist = twist)
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difference() {
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offset(r = -spacing)
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union() {
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difference() {
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pie(radius, [0, 180]);
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translate([-half_r, 0])
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circle(half_r);
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}
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translate([half_r, 0])
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circle(half_r);
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}
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translate([half_r, 0])
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offset(r = spacing)
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circle(half_r / 3);
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}
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}
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module magatama_dot(radius, height, type, spacing = 0.4) {
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half_r = radius / 2;
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color(type == "ying" ? "black" : "white")
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linear_extrude(height, twist = twist)
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translate([half_r, 0])
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offset(r = -spacing)
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circle(half_r / 3);
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}
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module animation() {
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if($t <= 0.5) {
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magatama(radius, height, "ying", spacing);
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rotate($t * 2 * twist + 180)
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translate([0, 0, height - height * 2 * $t])
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magatama(radius, height, "yang", spacing);
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}
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else {
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magatama(radius, height, "ying", spacing);
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rotate(180)
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magatama(radius, height, "yang", spacing);
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t = $t - 0.5;
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rotate(t * 2 * twist + 180)
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translate([0, 0, height - height * 2 * t]) {
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magatama_dot(radius, height, "ying", spacing);
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rotate(180)
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magatama_dot(radius, height, "wang", spacing);
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}
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}
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} |