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[rshapes] Fix DrawPolyLinesEx() (#6004)

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If `innerRadius` is less than 0, it causes the outline to overlap itself and even grow outside of the polygon's bounds when `thick` is greater than `radius`. Clamping `innerRadius` to 0 fixes these problems.
This commit is contained in:
Matthew Roush
2026-07-23 03:50:11 -04:00
committed by GitHub
parent 353268b7cf
commit 127e7441da
1 changed files with 3 additions and 1 deletions
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src/rshapes.c
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@@ -1260,10 +1260,12 @@ void DrawPolyLines(Vector2 center, int sides, float radius, float rotation, Colo
void DrawPolyLinesEx(Vector2 center, int sides, float radius, float rotation, float thick, Color color)
{
if (thick <= 0.0f) return;
if (sides < 3) sides = 3;
float centralAngle = rotation*DEG2RAD;
float exteriorAngle = 360.0f/(float)sides*DEG2RAD;
float innerRadius = radius - (thick*cosf(DEG2RAD*exteriorAngle/2.0f));
float innerRadius = fmaxf(0.0f, radius - (thick*cosf(DEG2RAD*exteriorAngle/2.0f)));
#if SUPPORT_QUADS_DRAW_MODE
rlSetTexture(GetShapesTexture().id);