138 lines
4.2 KiB
OpenSCAD
138 lines
4.2 KiB
OpenSCAD
/**
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* Módulos para dibujar cajas con bordes redondeados.
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*
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* @author Joaquín Fernández
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* @url https://gitlab.com/joaquinfq/openscad/blob/master/Modules/Box/rounded.scad
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* @license CC-BY-NC-4.0
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*/
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//----------------------------------------------------------
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use <../../Functions/is.scad>
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//----------------------------------------------------------
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/**
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* Genera las coordenadas para dibujar un rectángulo con las esquinas redondeadas.
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* Cada esquina puede tener un radio diferente.
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*
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* @param {Float} width Ancho del rectángulo.
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* @param {Float} height Alto del rectángulo.
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* @param {Float[]} radius Radios a usar para redondear cada esquina.
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*/
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function boxRoundedRect(width, height, radius = [ 1, 1, 1, 1 ]) = let(
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_r = radius[0] == undef
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? [ radius, radius, radius, radius ]
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: radius
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)
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[
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[
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[ 0, height - _r[0] ],
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[ _r[0], height - _r[0] ],
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[ _r[0], height ],
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[ width - _r[1], height ],
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[ width - _r[1], height - _r[1] ],
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[ width , height - _r[1] ],
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[ width , _r[2] ],
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[ width - _r[2], _r[2] ],
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[ width - _r[2], 0 ],
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[ _r[3], 0 ],
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[ _r[3], _r[3] ],
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[ 0, _r[3] ]
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],
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[
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[ _r[0], height - _r[0] ],
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[ width - _r[1], height - _r[1] ],
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[ width - _r[2], _r[2] ],
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[ _r[3], _r[3] ]
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]
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];
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//----------------------------------------------------------
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/**
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* Dibuja un bloque con los bordes XY redondeados.
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*
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* @param {Float} width Ancho del bloque (eje X).
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* @param {Float} height Largo del bloque (eje Y).
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* @param {Float} length Alto del bloque (eje Z).
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* @param {Float|Float[]} radius Radios del borde de cada esquina.
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*/
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module boxRounded(width, height, length, radius = [ 1, 1, 1, 1 ])
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{
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if (radius)
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{
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translate([ - width / 2, - height / 2, - length / 2 ])
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{
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linear_extrude(length)
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{
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boxRounded2d(width, height, radius);
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}
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}
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}
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else
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{
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cube([ width, height, length ], center = true);
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}
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}
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//----------------------------------------------------------
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/**
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* Dibuja un bloque con los bordes XY redondeados.
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*
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* @param {Float} width Ancho del bloque (eje X).
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* @param {Float} height Largo del bloque (eje Y).
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* @param {Float|Float[]} radius Radios del borde de cada esquina.
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*/
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module boxRounded2d(width, height, radius = [ 1, 1, 1, 1 ])
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{
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// Si se pasa un número, lo convertimos a un array.
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_radius = isArray(radius)
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? radius
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: [ radius, radius, radius, radius ];
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_data = boxRoundedRect(width, height, _radius);
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polygon(points = _data[0]);
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for (_index = [ 0 : 3 ])
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{
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if (_radius[_index] > 0)
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{
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translate(_data[1][_index])
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{
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circle(r = _radius[_index]);
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}
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}
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}
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}
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//----------------------------------------------------------
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/**
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* Dibuja un bloque con todos los bordes redondeados.
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*
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* @param width Ancho del bloque (eje X).
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* @param height Largo del bloque (eje Y).
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* @param length Alto del bloque (eje Z).
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* @param radius Radio del borde.
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*/
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module boxRounded3d(width, height, length, radius = 1)
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{
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if (radius > 0)
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{
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hull()
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{
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for (z = [ -1, 1 ])
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{
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for (y = [ -1, 1 ])
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{
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for (x = [ -1, 1 ])
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{
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translate([
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x * (width / 2 - radius),
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y * (height / 2 - radius),
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z * (length / 2 - radius)
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])
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{
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sphere(r = radius, center = true);
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}
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}
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}
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}
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}
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}
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else
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{
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cube([ width, height, length ], center = true);
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}
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}
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