From 3c712e66aed070dab00f24fa46bc22d6299bde50 Mon Sep 17 00:00:00 2001
From: Violently <violently@violently.violently>
Date: Wed, 15 Oct 2025 16:02:16 -0400
Subject: [PATCH] Fix DrawBillboardPro so that flipped images that are sampling
 from part of a larger texture still draw from the same source rectangle

---
 src/rmodels.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/rmodels.c b/src/rmodels.c
index 1e7599004..d77e66ee9 100644
--- a/src/rmodels.c
+++ b/src/rmodels.c
@@ -3899,14 +3899,14 @@ void DrawBillboardPro(Camera camera, Texture2D texture, Rectangle source, Vector
     // Flip the content of the billboard while maintaining the counterclockwise edge rendering order
     if (size.x < 0.0f)
     {
-        source.x += size.x;
+        source.x -= size.x;
         source.width *= -1.0;
         right = Vector3Negate(right);
         origin.x *= -1.0f;
     }
     if (size.y < 0.0f)
     {
-        source.y += size.y;
+        source.y -= size.y;
         source.height *= -1.0;
         up = Vector3Negate(up);
         origin.y *= -1.0f;