quartznet/raylib
Watch
2
0
Fork
You've already forked raylib
 0
Code Issues Pull requests Releases 25 Activity

[rshapes] Fix DrawPolyLinesEx() (#6004)

Browse source 
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
commit 127e7441da
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
1 changed files with 3 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/rshapes.c
View file

@ -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) void DrawPolyLinesEx(Vector2 center, int sides, float radius, float rotation, float thick, Color color)
{ {
if (thick <= 0.0f) return;
if (sides < 3) sides = 3; if (sides < 3) sides = 3;
float centralAngle = rotation*DEG2RAD; float centralAngle = rotation*DEG2RAD;
float exteriorAngle = 360.0f/(float)sides*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 #if SUPPORT_QUADS_DRAW_MODE
rlSetTexture(GetShapesTexture().id); rlSetTexture(GetShapesTexture().id);