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Merge pull request #1716 from adrianVmariano/master

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Add arrow3 to stroke
This commit is contained in:
adrianVmariano
2025-06-15 16:16:19 -04:00
committed by GitHub
parent 2f3c887895 1f5a659ba8
commit 897ce4199f
1 changed files with 24 additions and 21 deletions
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45
drawing.scad
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@@ -40,25 +40,26 @@
// long paths due to the 3d unions, and the faces on sequential cylinders may not line up. In many cases, {{path_sweep()}} is
// a better choice, both running faster and producing superior output, when working in three dimensions.
// Figure(Med,NoAxes,2D,VPR=[0,0,0],VPD=250): Endcap Types
// cap_pairs = [
// ["butt", "chisel" ],
// ["round", "square" ],
// ["line", "cross" ],
// ["x", "diamond"],
// ["dot", "block" ],
// ["tail", "arrow" ],
// ["tail2", "arrow2" ]
// ];
// for (i = idx(cap_pairs)) {
// fwd((i-len(cap_pairs)/2+0.5)*13) {
// stroke([[-20,0], [20,0]], width=3, endcap1=cap_pairs[i][0], endcap2=cap_pairs[i][1]);
// color("black") {
// stroke([[-20,0], [20,0]], width=0.25, endcaps=false);
// left(28) text(text=cap_pairs[i][0], size=5, halign="right", valign="center");
// right(28) text(text=cap_pairs[i][1], size=5, halign="left", valign="center");
// }
// }
// }
cap_pairs = [
["butt", "chisel" ],
["round", "square" ],
["line", "cross" ],
["x", "diamond"],
["dot", "block" ],
["tail", "arrow" ],
["tail2", "arrow2" ],
[undef, "arrow3" ]
];
for (i = idx(cap_pairs)) {
fwd((i-len(cap_pairs)/2+0.5)*13) {
stroke([[-20,0], [20,0]], width=3, endcap1=cap_pairs[i][0], endcap2=cap_pairs[i][1]);
color("black") {
stroke([[-20,0], [20,0]], width=0.25, endcaps=false);
left(28) text(text=cap_pairs[i][0], size=5, halign="right", valign="center");
right(28) text(text=cap_pairs[i][1], size=5, halign="left", valign="center");
}
}
}
// Arguments:
// path = The path to draw along.
// width = The width of the line to draw. If given as a list of widths, (one for each path point), draws the line with varying thickness to each point.
@@ -221,6 +222,7 @@ module stroke(
cap=="line"? [3.50, 0.22, 0.00] :
cap=="arrow"? [3.50, 0.40, 0.50] :
cap=="arrow2"? [3.50, 1.00, 0.14] :
cap=="arrow3"? [3.50, 1.00, 0.00] :
cap=="tail"? [3.50, 0.47, 0.50] :
cap=="tail2"? [3.50, 0.28, 0.50] :
is_path(cap)? [0.00, 0.00, 0.00] :
@@ -239,6 +241,7 @@ module stroke(
cap=="line"? scale([w,l], p=square(1,center=true)) :
cap=="arrow"? [[0,0], [w/2,-l2], [w/2,-l2-l], [0,-l], [-w/2,-l2-l], [-w/2,-l2]] :
cap=="arrow2"? [[0,0], [w/2,-l2-l], [0,-l], [-w/2,-l2-l]] :
cap=="arrow3"? [[0,0], [w/2,-l], [-w/2,-l]] :
cap=="tail"? [[0,0], [w/2,l2], [w/2,l2-l], [0,-l], [-w/2,l2-l], [-w/2,l2]] :
cap=="tail2"? [[w/2,0], [w/2,-l], [0,-l-l2], [-w/2,-l], [-w/2,0]] :
is_path(cap)? cap :
@@ -318,14 +321,14 @@ module stroke(
trim1 = width[0] * first_defined([
trim1, trim,
(endcap1=="arrow")? endcap_length1-0.01 :
(endcap1=="arrow" || endcap1=="arrow3")? endcap_length1-0.01 :
(endcap1=="arrow2")? endcap_length1*3/4 :
0
]);
trim2 = last(width) * first_defined([
trim2, trim,
(endcap2=="arrow")? endcap_length2-0.01 :
(endcap2=="arrow" || endcap2=="arrow3")? endcap_length2-0.01 :
(endcap2=="arrow2")? endcap_length2*3/4 :
0
]);