From c1e3b23ddd8bba5a4276254aaf9d6812575b3c6b Mon Sep 17 00:00:00 2001
From: Anuken <arnukren@gmail.com>
Date: Sun, 13 Oct 2024 12:10:32 -0400
Subject: [PATCH] Pointy line join fix

---
 arc-core/src/arc/graphics/g2d/Lines.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arc-core/src/arc/graphics/g2d/Lines.java b/arc-core/src/arc/graphics/g2d/Lines.java
index 2c7b33e1..ab9cc540 100644
--- a/arc-core/src/arc/graphics/g2d/Lines.java
+++ b/arc-core/src/arc/graphics/g2d/Lines.java
@@ -248,7 +248,8 @@ private static void preparePointyJoin(Vec2 A, Vec2 B, Vec2 C, Vec2 D, Vec2 E, fl
             prepareStraightJoin(B, D, E, halfLineWidth);
             return;
         }
-        float len = (float)(halfLineWidth / Math.sin(angle));
+        //clamps length to avoid super sharp edges. this looks pretty bad, but it's better than the alternative of a 1-pixel line to infinity
+        float len = Mathf.clamp((float)(halfLineWidth / Math.sin(angle)), -halfLineWidth*10f, halfLineWidth*10f);
         boolean bendsLeft = angle < 0;
         AB.setLength(len);
         BC.setLength(len);