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t-paul/00info.txt

Last active Mar 3, 2019
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openscad
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![My Image](https://gist.github.com/t-paul/7171783#file-openscad-freetype-4-png)
/****************************************************************************
* Teardrop
* (c) 2013 Torsten Paul <Torsten.Paul@gmx.de>
* License: CC-BY-SA 3.0
*
* Based on the formula in "Modelling a Tear Drop" by by Paul Bourke
* (http://paulbourke.net/geometry/teardrop/)
*/
function drop(x) = 100 * 0.5 * (1 - cos(180 * x)) * sin(180 * x) + 1;
function path(x) = [0, 0, 80 + 80 * cos(180 * x)];
function rotate(x) = PI * pow((1 - x), 3);
loft(path="path", scale_x = "drop", scale_y="drop", rotate="rotate", slices=100) circle(r = 1, $fn = 12);
function path(x) = [
(x / 1.5 + 0.5) * 100 * cos(6 * 360 * x),
(x / 1.5 + 0.5) * 100 * sin(6 * 360 * x),
200 * (1 - x)
];
loft(path = "path", slices = 800, height = 100) {
translate([-10, -6, 0]) square([3, 6]);
square([20, 2], center = true);
translate([7, -6, 0]) square([3, 6]);
}
$fn = 20;
module segment() {
hull() {
translate([-10, -18, 0]) circle(r = 3);
translate([ 10, 18, 0]) circle(r = 3);
translate([-10, 18, 0]) circle(r = 3);
translate([ 10, -18, 0]) circle(r = 3);
}
}
module cross() {
segment();
rotate([0, 0, 90]) segment();
}
function rotate(x) = cos(90 * x);
function scale(x) = 1.5 * sin(210 * (x / 2) + 60);
loft(scale_x = "scale", scale_y = "scale", rotate = "rotate", height = 80, slices = 50)
cross();
function func0(x)= 1;
function func1(x) = 30 * sin(180 * x);
function func2(x) = -30 * sin(180 * x);
function func3(x) = sin(270 * (1 - x) - 90) * sqrt(6 * (1 - x)) + 2;
function func4(x) = PI * x / 2;
function func5(x) = 2 * PI * x * x * x;
function func6(x) = 3 - 2.5 * x;
loft(offset_x = "func1", offset_y = "func1", rotate = "func4", slices = 30, height = 100) square(10);
loft(offset_x = "func2", offset_y = "func2", rotate = "func4", slices = 30, height = 100) square(10);
loft(offset_x = "func1", offset_y = "func2", rotate = "func4", slices = 30, height = 100) square(10);
loft(offset_x = "func2", offset_y = "func1", rotate = "func4", slices = 30, height = 100) square(10);
translate([100, 0, 0])
loft(scale_x = "func3", scale_y = "func3", rotate = "func4", slices = 50, height = 100) square(10);
translate([-100, 0, 0])
loft(rotate = "func5", scale_x = "func6", scale_y = "func6", slices = 50, height = 100) square(10);
$fn = 50;
map_extrude() {
union() {
circle(r = 12);
translate([15, 2, 0]) square([25, 8]);
translate([15, -10, 0]) text(t = "Text", font = "ArialMT");
}
}
$fn = 6;
text = "The quick brown fox jumps over the lazy dog!";
fonts = [
["DejaVu Sans", "DejaVu Sans:style=Book"],
["DejaVu Sans", "DejaVu Sans:style=Oblique"],
["DejaVu Sans", "DejaVu Sans:style=Bold"],
["DejaVu Sans", "DejaVu Sans:style=Bold Oblique"],
["DejaVu Sans", "DejaVu Sans:style=Condensed"],
["DejaVu Sans", "DejaVu Sans:style=Condensed Bold"],
["DejaVu Sans", "DejaVu Sans:style=Condensed Oblique"],
["DejaVu Sans", "DejaVu Sans:style=Condensed Bold Oblique"],
["DejaVu Sans", "DejaVu Sans:style=ExtraLight"],
["DejaVu Sans", "DejaVu Sans Mono:style=Book"],
["DejaVu Sans", "DejaVu Sans Mono:style=Oblique"],
["DejaVu Sans", "DejaVu Sans Mono:style=Bold"],
["DejaVu Sans", "DejaVu Sans Mono:style=Bold Oblique"],
["DejaVu Serif", "DejaVu Serif:style=Book"],
["DejaVu Serif", "DejaVu Serif:style=Italic"],
["DejaVu Serif", "DejaVu Serif:style=Bold"],
["DejaVu Serif", "DejaVu Serif:style=Bold Italic"],
["DejaVu Serif", "DejaVu Serif:style=Condensed Bold Italic"],
["DejaVu Serif", "DejaVu Serif:style=Condensed Bold"],
["DejaVu Serif", "DejaVu Serif:style=Condensed Italic"],
["DejaVu Serif", "DejaVu Serif=Condensed"],
["Gentium", "Gentium Basic:style=Bold Italic"],
["Gentium", "Gentium Basic:style=Bold"],
["Gentium", "Gentium Basic:style=Italic"],
["Gentium", "Gentium Basic:style=Regular"],
["Gentium", "Gentium Book Basic:style=Bold Italic"],
["Gentium", "Gentium Book Basic:style=Bold"],
["Gentium", "Gentium Book Basic:style=Italic"],
["Gentium", "Gentium Book Basic:style=Regular"],
["Liberation", "Liberation Mono:style=Bold Italic"],
["Liberation", "Liberation Mono:style=Bold"],
["Liberation", "Liberation Mono:style=Italic"],
["Liberation", "Liberation Mono:style=Regular"],
["Liberation", "Liberation Sans:style=Bold Italic"],
["Liberation", "Liberation Sans:style=Bold"],
["Liberation", "Liberation Sans:style=Italic"],
["Liberation", "Liberation Sans:style=Regular"],
["Liberation", "Liberation Serif:style=Bold Italic"],
["Liberation", "Liberation Serif:style=Bold"],
["Liberation", "Liberation Serif:style=Italic"],
["Liberation", "Liberation Serif:style=Regular"],
["Linux", "Linux Biolinum G:style=Bold"],
["Linux", "Linux Biolinum G:style=Regular"],
["Linux", "Linux Biolinum G:style=Italic"],
["Linux", "Linux Libertine Display G:style=Regular"],
["Linux", "Linux Libertine G:style=Bold"],
["Linux", "Linux Libertine G:style=Bold Italic"],
["Linux", "Linux Libertine G:style=Regular"],
["Linux", "Linux Libertine G:style=Italic"],
["Linux", "Linux Libertine G:style=Semibold"],
["Linux", "Linux Libertine G:style=Semibold Italic"],
["Open Sans", "Open Sans:style=Regular"],
["Open Sans", "Open Sans:style=Italic"],
["Open Sans", "Open Sans:style=Bold"],
["Open Sans", "Open Sans:style=Bold Italic"],
["Open Sans", "Open Sans Extrabold:style=Italic"],
["Open Sans", "Open Sans Extrabold:style=Regular"],
["Open Sans", "Open Sans Light:style=Italic"],
["Open Sans", "Open Sans Light:style=Regular"],
["Open Sans", "Open Sans Semibold:style=Italic"],
["Open Sans", "Open Sans Semibold:style=Regular"],
["ParaType", "PT Mono:style=Regular"],
["ParaType", "PT Mono:style=Bold"],
["ParaType", "PT Sans Caption:style=Regular"],
["ParaType", "PT Sans Caption:style=Bold"],
["ParaType", "PT Sans Narrow:style=Regular"],
["ParaType", "PT Sans Narrow:style=Bold"],
["ParaType", "PT Sans:style=Regular"],
["ParaType", "PT Sans:style=Italic"],
["ParaType", "PT Sans:style=Bold"],
["ParaType", "PT Sans:style=Bold Italic"],
["ParaType", "PT Serif:style=Regular"],
["ParaType", "PT Serif:style=Italic"],
["ParaType", "PT Serif:style=Bold"],
["ParaType", "PT Serif:style=Bold Italic"],
["ParaType", "PT Serif Caption:style=Regular"],
["ParaType", "PT Serif Caption:style=Italic"],
["Source Code Pro", "Source Code Pro:style=Regular"],
["Source Code Pro", "Source Code Pro:style=Bold"],
["Source Code Pro", "Source Code Pro Black:style=Regular"],
["Source Code Pro", "Source Code Pro Semibold:style=Regular"],
["Source Code Pro", "Source Code Pro Medium:style=Regular"],
["Source Code Pro", "Source Code Pro Light:style=Regular"],
["Source Code Pro", "Source Code Pro ExtraLight:style=Regular"],
["Source Sans Pro", "Source Sans Pro:style=Regular"],
["Source Sans Pro", "Source Sans Pro:style=Italic"],
["Source Sans Pro", "Source Sans Pro:style=Bold"],
["Source Sans Pro", "Source Sans Pro:style=Bold Italic"],
["Source Sans Pro", "Source Sans Pro Black:style=Regular"],
["Source Sans Pro", "Source Sans Pro Black:style=Italic"],
["Source Sans Pro", "Source Sans Pro Semibold:style=Regular"]
["Source Sans Pro", "Source Sans Pro Semibold:style=Italic"],
["Source Sans Pro", "Source Sans Pro Light:style=Regular"],
["Source Sans Pro", "Source Sans Pro Light:style=Italic"],
["Source Sans Pro", "Source Sans Pro ExtraLight:style=Regular"],
["Source Sans Pro", "Source Sans Pro ExtraLight:style=Italic"],
];
family="ParaType";
for (a = [0 : 1000]) {
if (fonts[a][0] == family) {
linear_extrude(height = 1) {
translate([0, 20 * a, 0]) text(t = text, font = fonts[a][1]);
translate([400, 20 * a, 0]) text(t = fonts[a][1], font = fonts[a][1]);
}
}
}
$fn = 20;
$ff = "DejaVuSansCondensed";
$ff2 = "Amiri-Regular";
union() {
#cube([130, 10, 1]);
linear_extrude(height = 2)
text(t = "OpenSCAD with Text!", size = 10, $fn = 40, font = $ff);
}
translate([0, -40, 0]) difference() {
cube([90, 14, 1]);
translate([5, 3, -1])
linear_extrude(height = 40)
text(t = "FreeType", size = 10, font = $ff);
}
translate([0, -20, 0])
linear_extrude(height = 6)
text(t = "it works !!!", font = $ff, size = 17);
s = "OpenSCAD";
translate([45, 60, 5])
rotate([-30, 0, 0])
for (a = [0 : 7])
rotate([0, 0, 135 + 90 / 7 * a])
translate([0, 70, 0])
rotate([90, 0, 180])
translate([-5, 0, 0])
linear_extrude(height = 2)
text(t = s[a], size = 20, font = $ff);
translate([0, -80, 0])
rotate([90, 0, 0])
linear_extrude(height = 2)
text(t = "Ленивый рыжий кот", size = 16, font = "DejaVuSansCondensed");
translate([0, -120, 0])
rotate([90, 0, 0])
linear_extrude(height = 2)
text(t = "كسول الزنجبيل القط", size = 16, font = $ff2, direction = "rtl", language = "ar", script = "arabic");
translate([-20, 0, 0])
linear_extrude(height = 2)
text(t = "懶惰的姜貓", size = 16, font = "AR-PL-New-Sung", direction = "ttb", language = "ch");
/*
translate([0, -60, 0])
linear_extrude(height = 2)
text(t = "Umlauts: äöü ÄÖÜ ß", size = 10, font = $ff);
translate([0, -80, 0])
linear_extrude(height = 2)
text(t = "Smileys: 😁😂😃😄😅😆😇😈😉😊😋😌😍😎😏😐", size = 10, font = $ff);
translate([0, -100, 0])
linear_extrude(height = 2)
text(t = "Braile: ⠁⠂⠃⠄⠅⠆⠇⠈⠉⠊⠋⠌⠍⠎⠏", size = 10, font = $ff);
translate([0, -120, 0])
linear_extrude(height = 2)
text(t = "Cards: 🂡🂱🃁🃑", size = 10, font = $ff);
*/
DejaVu - Bitstream Vera Fonts Copyright
http://dejavu-fonts.org/
Gentium - SIL Open Font License, Version 1.1
http://scripts.sil.org/cms/scripts/page.php?item_id=Gentium_basic
Liberation - SIL Open Font License, Version 1.1
https://fedorahosted.org/liberation-fonts/
Linux Libertine G and Linux Biolinum G fonts - SIL Open Font License, Version 1.0
http://www.numbertext.org/linux/
Open Sans - Apache License version 2.0
http://www.opensans.com/
PT-Mono / PT-Sans / PT-Serif - ParaType Free Font Licence 1.3
http://www.paratype.com/public/
Source Code Pro - SIL Open Font License 1.1
http://sourceforge.net/projects/sourcecodepro.adobe/
Source Sans Pro - SIL Open Font License 1.1
http://sourceforge.net/projects/sourcesans.adobe/
function skip(a) = a == [3, 0] || a == [4, 0] || a == [6, 4];
function span(a) = a == [2, 0] ? 20 : a == [5, 4] ? 10 : 0;
for (y = [0 : 4]) {
for (x = [0 : 6]) {
if (!skip([x, y])) {
translate([10 * x + 1, 10 * y + 1]) square([8 + span([x, y]), 8]);
}
}
}
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@NigelThorne

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@NigelThorne NigelThorne commented Mar 3, 2019

Hiya,
I have openscad 2019.01-RC2, but loft doesn't seem to be defined..
Please can you tell me how to get loft working?
Thanks

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