arc: Set previous point to arc end

cetz-package · Dec 3, 2023 · 74e2a3f · 74e2a3f
1 parent 40477d2
commit 74e2a3f
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Showing 3 changed files with 20 additions and 1 deletion.
diff --git a/src/draw/shapes.typ b/src/draw/shapes.typ
@@ -311,7 +311,10 @@
  z
  )
 
- // center is calculated based on observations of tikz's circular sector and semi circle shapes.
+ // Set the last position to arc-end
+ ctx.prev.pt = arc-end
+
+ // Center is calculated based on observations of tikz's circular sector and semi circle shapes.
  let center = if style.mode != "CLOSE" {
  // A circular sector's center anchor is placed half way between the sector-center and arc-center when the angle is 180deg. At 60deg it is placed 1/3 of the way between, this is mirrored at 300deg.
  vector.lerp(

diff --git a/tests/arc/last-pos/ref.png b/tests/arc/last-pos/ref.png
diff --git a/tests/arc/last-pos/test.typ b/tests/arc/last-pos/test.typ
@@ -0,0 +1,16 @@
+#set page(width: auto, height: auto)
+#import "/src/lib.typ": *
+
+#box(stroke: 2pt + red, canvas({
+ import draw: *
+
+ arc((0,0), start: 0deg, stop: 180deg)
+ circle((), radius: .1, fill: blue)
+}))
+
+#box(stroke: 2pt + red, canvas({
+ import draw: *
+
+ arc((0,0), start: 180deg, stop: 0deg)
+ circle((), radius: .1, fill: blue)
+}))