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colors and 2d rounding flee mutators.scad
This commit is contained in:
Adrian Mariano
parent
f72ff2a515
commit
85bdeb4d89
3 changed files with 72 additions and 173 deletions
173
mutators.scad
173
mutators.scad
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@ -443,72 +443,6 @@ module minkowski_difference(planar=false) {
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}
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}
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// Module: round2d()
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// Usage:
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// round2d(r) ...
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// round2d(or) ...
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// round2d(ir) ...
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// round2d(or, ir) ...
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// Description:
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// Rounds arbitrary 2D objects. Giving `r` rounds all concave and convex corners. Giving just `ir`
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// rounds just concave corners. Giving just `or` rounds convex corners. Giving both `ir` and `or`
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// can let you round to different radii for concave and convex corners. The 2D object must not have
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// any parts narrower than twice the `or` radius. Such parts will disappear.
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// Arguments:
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// r = Radius to round all concave and convex corners to.
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// or = Radius to round only outside (convex) corners to. Use instead of `r`.
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// ir = Radius to round only inside (concave) corners to. Use instead of `r`.
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// Examples(2D):
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// round2d(r=10) {square([40,100], center=true); square([100,40], center=true);}
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// round2d(or=10) {square([40,100], center=true); square([100,40], center=true);}
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// round2d(ir=10) {square([40,100], center=true); square([100,40], center=true);}
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// round2d(or=16,ir=8) {square([40,100], center=true); square([100,40], center=true);}
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module round2d(r, or, ir)
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{
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or = get_radius(r1=or, r=r, dflt=0);
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ir = get_radius(r1=ir, r=r, dflt=0);
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offset(or) offset(-ir-or) offset(delta=ir,chamfer=true) children();
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}
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// Module: shell2d()
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// Usage:
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// shell2d(thickness, [or], [ir], [fill], [round])
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// Description:
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// Creates a hollow shell from 2D children, with optional rounding.
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// Arguments:
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// thickness = Thickness of the shell. Positive to expand outward, negative to shrink inward, or a two-element list to do both.
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// or = Radius to round corners on the outside of the shell. If given a list of 2 radii, [CONVEX,CONCAVE], specifies the radii for convex and concave corners separately. Default: 0 (no outside rounding)
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// ir = Radius to round corners on the inside of the shell. If given a list of 2 radii, [CONVEX,CONCAVE], specifies the radii for convex and concave corners separately. Default: 0 (no inside rounding)
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// Examples(2D):
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// shell2d(10) {square([40,100], center=true); square([100,40], center=true);}
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// shell2d(-10) {square([40,100], center=true); square([100,40], center=true);}
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// shell2d([-10,10]) {square([40,100], center=true); square([100,40], center=true);}
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// shell2d(10,or=10) {square([40,100], center=true); square([100,40], center=true);}
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// shell2d(10,ir=10) {square([40,100], center=true); square([100,40], center=true);}
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// shell2d(10,or=[10,0]) {square([40,100], center=true); square([100,40], center=true);}
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// shell2d(10,or=[0,10]) {square([40,100], center=true); square([100,40], center=true);}
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// shell2d(10,ir=[10,0]) {square([40,100], center=true); square([100,40], center=true);}
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// shell2d(10,ir=[0,10]) {square([40,100], center=true); square([100,40], center=true);}
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// shell2d(8,or=[16,8],ir=[16,8]) {square([40,100], center=true); square([100,40], center=true);}
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module shell2d(thickness, or=0, ir=0)
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{
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thickness = is_num(thickness)? (
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thickness<0? [thickness,0] : [0,thickness]
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) : (thickness[0]>thickness[1])? (
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[thickness[1],thickness[0]]
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) : thickness;
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orad = is_finite(or)? [or,or] : or;
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irad = is_finite(ir)? [ir,ir] : ir;
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difference() {
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round2d(or=orad[0],ir=orad[1])
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offset(delta=thickness[1])
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children();
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round2d(or=irad[1],ir=irad[0])
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offset(delta=thickness[0])
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children();
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}
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}
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// Module: offset3d()
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// Module: offset3d()
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@ -579,111 +513,4 @@ module round3d(r, or, ir, size=100)
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//////////////////////////////////////////////////////////////////////
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// Section: Colors
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//////////////////////////////////////////////////////////////////////
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// Function&Module: HSL()
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// Usage:
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// HSL(h,[s],[l],[a]) ...
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// rgb = HSL(h,[s],[l]);
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// Description:
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// When called as a function, returns the [R,G,B] color for the given hue `h`, saturation `s`, and lightness `l` from the HSL colorspace.
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// When called as a module, sets the color to the given hue `h`, saturation `s`, and lightness `l` from the HSL colorspace.
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// Arguments:
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// h = The hue, given as a value between 0 and 360. 0=red, 60=yellow, 120=green, 180=cyan, 240=blue, 300=magenta.
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// s = The saturation, given as a value between 0 and 1. 0 = grayscale, 1 = vivid colors. Default: 1
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// l = The lightness, between 0 and 1. 0 = black, 0.5 = bright colors, 1 = white. Default: 0.5
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// a = When called as a module, specifies the alpha channel as a value between 0 and 1. 0 = fully transparent, 1=opaque. Default: 1
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// Example:
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// HSL(h=120,s=1,l=0.5) sphere(d=60);
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// Example:
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// rgb = HSL(h=270,s=0.75,l=0.6);
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// color(rgb) cube(60, center=true);
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function HSL(h,s=1,l=0.5) =
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let(
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h=posmod(h,360)
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) [
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for (n=[0,8,4]) let(
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k=(n+h/30)%12
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) l - s*min(l,1-l)*max(min(k-3,9-k,1),-1)
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];
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module HSL(h,s=1,l=0.5,a=1) color(HSL(h,s,l),a) children();
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// Function&Module: HSV()
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// Usage:
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// HSV(h,[s],[v],[a]) ...
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// rgb = HSV(h,[s],[v]);
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// Description:
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// When called as a function, returns the [R,G,B] color for the given hue `h`, saturation `s`, and value `v` from the HSV colorspace.
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// When called as a module, sets the color to the given hue `h`, saturation `s`, and value `v` from the HSV colorspace.
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// Arguments:
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// h = The hue, given as a value between 0 and 360. 0=red, 60=yellow, 120=green, 180=cyan, 240=blue, 300=magenta.
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// s = The saturation, given as a value between 0 and 1. 0 = grayscale, 1 = vivid colors. Default: 1
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// v = The value, between 0 and 1. 0 = darkest black, 1 = bright. Default: 1
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// a = When called as a module, specifies the alpha channel as a value between 0 and 1. 0 = fully transparent, 1=opaque. Default: 1
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// Example:
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// HSV(h=120,s=1,v=1) sphere(d=60);
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// Example:
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// rgb = HSV(h=270,s=0.75,v=0.9);
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// color(rgb) cube(60, center=true);
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function HSV(h,s=1,v=1) =
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assert(s>=0 && s<=1)
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assert(v>=0 && v<=1)
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let(
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h = posmod(h,360),
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c = v * s,
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hprime = h/60,
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x = c * (1- abs(hprime % 2 - 1)),
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rgbprime = hprime <=1 ? [c,x,0]
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: hprime <=2 ? [x,c,0]
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: hprime <=3 ? [0,c,x]
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: hprime <=4 ? [0,x,c]
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: hprime <=5 ? [x,0,c]
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: hprime <=6 ? [c,0,x]
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: [0,0,0],
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m=v-c
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)
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rgbprime+[m,m,m];
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module HSV(h,s=1,v=1,a=1) color(HSV(h,s,v),a) children();
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// Module: rainbow()
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// Usage:
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// rainbow(list) ...
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// Description:
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// Iterates the list, displaying children in different colors for each list item.
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// This is useful for debugging lists of paths and such.
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// Arguments:
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// list = The list of items to iterate through.
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// stride = Consecutive colors stride around the color wheel divided into this many parts.
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// maxhues = max number of hues to use (to prevent lots of indistinguishable hues)
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// shuffle = if true then shuffle the hues in a random order. Default: false
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// seed = seed to use for shuffle
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// Side Effects:
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// Sets the color to progressive values along the ROYGBIV spectrum for each item.
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// Sets `$idx` to the index of the current item in `list` that we want to show.
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// Sets `$item` to the current item in `list` that we want to show.
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// Example(2D):
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// rainbow(["Foo","Bar","Baz"]) fwd($idx*10) text(text=$item,size=8,halign="center",valign="center");
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// Example(2D):
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// rgn = [circle(d=45,$fn=3), circle(d=75,$fn=4), circle(d=50)];
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// rainbow(rgn) stroke($item, closed=true);
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module rainbow(list, stride=1, maxhues, shuffle=false, seed)
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{
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ll = len(list);
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maxhues = first_defined([maxhues,ll]);
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huestep = 360 / maxhues;
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huelist = [for (i=[0:1:ll-1]) posmod(i*huestep+i*360/stride,360)];
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hues = shuffle ? shuffle(huelist, seed=seed) : huelist;
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for($idx=idx(list)) {
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$item = list[$idx];
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HSV(h=hues[$idx]) children();
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}
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}
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// vim: expandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap
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// vim: expandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap
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@ -1429,4 +1429,75 @@ function reuleaux_polygon(N=3, r, d, anchor=CENTER, spin=0) =
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) reorient(anchor,spin, two_d=true, path=path, extent=false, anchors=anchors, p=path);
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) reorient(anchor,spin, two_d=true, path=path, extent=false, anchors=anchors, p=path);
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// Section: Rounding 2D shapes
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// Module: round2d()
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// Usage:
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// round2d(r) ...
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// round2d(or) ...
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// round2d(ir) ...
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// round2d(or, ir) ...
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// Description:
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// Rounds arbitrary 2D objects. Giving `r` rounds all concave and convex corners. Giving just `ir`
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// rounds just concave corners. Giving just `or` rounds convex corners. Giving both `ir` and `or`
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// can let you round to different radii for concave and convex corners. The 2D object must not have
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// any parts narrower than twice the `or` radius. Such parts will disappear.
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// Arguments:
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// r = Radius to round all concave and convex corners to.
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// or = Radius to round only outside (convex) corners to. Use instead of `r`.
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// ir = Radius to round only inside (concave) corners to. Use instead of `r`.
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// Examples(2D):
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// round2d(r=10) {square([40,100], center=true); square([100,40], center=true);}
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// round2d(or=10) {square([40,100], center=true); square([100,40], center=true);}
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// round2d(ir=10) {square([40,100], center=true); square([100,40], center=true);}
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// round2d(or=16,ir=8) {square([40,100], center=true); square([100,40], center=true);}
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module round2d(r, or, ir)
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{
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or = get_radius(r1=or, r=r, dflt=0);
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ir = get_radius(r1=ir, r=r, dflt=0);
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offset(or) offset(-ir-or) offset(delta=ir,chamfer=true) children();
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}
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// Module: shell2d()
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// Usage:
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// shell2d(thickness, [or], [ir], [fill], [round])
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// Description:
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// Creates a hollow shell from 2D children, with optional rounding.
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// Arguments:
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// thickness = Thickness of the shell. Positive to expand outward, negative to shrink inward, or a two-element list to do both.
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// or = Radius to round corners on the outside of the shell. If given a list of 2 radii, [CONVEX,CONCAVE], specifies the radii for convex and concave corners separately. Default: 0 (no outside rounding)
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// ir = Radius to round corners on the inside of the shell. If given a list of 2 radii, [CONVEX,CONCAVE], specifies the radii for convex and concave corners separately. Default: 0 (no inside rounding)
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// Examples(2D):
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// shell2d(10) {square([40,100], center=true); square([100,40], center=true);}
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// shell2d(-10) {square([40,100], center=true); square([100,40], center=true);}
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// shell2d([-10,10]) {square([40,100], center=true); square([100,40], center=true);}
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// shell2d(10,or=10) {square([40,100], center=true); square([100,40], center=true);}
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// shell2d(10,ir=10) {square([40,100], center=true); square([100,40], center=true);}
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// shell2d(10,or=[10,0]) {square([40,100], center=true); square([100,40], center=true);}
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// shell2d(10,or=[0,10]) {square([40,100], center=true); square([100,40], center=true);}
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// shell2d(10,ir=[10,0]) {square([40,100], center=true); square([100,40], center=true);}
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// shell2d(10,ir=[0,10]) {square([40,100], center=true); square([100,40], center=true);}
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// shell2d(8,or=[16,8],ir=[16,8]) {square([40,100], center=true); square([100,40], center=true);}
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module shell2d(thickness, or=0, ir=0)
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{
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thickness = is_num(thickness)? (
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thickness<0? [thickness,0] : [0,thickness]
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) : (thickness[0]>thickness[1])? (
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[thickness[1],thickness[0]]
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) : thickness;
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orad = is_finite(or)? [or,or] : or;
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irad = is_finite(ir)? [ir,ir] : ir;
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difference() {
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round2d(or=orad[0],ir=orad[1])
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offset(delta=thickness[1])
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children();
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round2d(or=irad[1],ir=irad[0])
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offset(delta=thickness[0])
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children();
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}
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}
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// vim: expandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap
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// vim: expandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap
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1
std.scad
1
std.scad
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@ -13,6 +13,7 @@ include <constants.scad>
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include <transforms.scad>
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include <transforms.scad>
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include <distributors.scad>
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include <distributors.scad>
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include <mutators.scad>
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include <mutators.scad>
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include <color.scad>
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include <attachments.scad>
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include <attachments.scad>
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include <shapes3d.scad>
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include <shapes3d.scad>
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include <shapes2d.scad>
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include <shapes2d.scad>
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