Fix color type in DrawGridEx function

src/raylib.h

@@ -1587,7 +1587,7 @@ RLAPI void DrawPlane(Vector3 centerPos, Vector2 size, Color color);
 RLAPI void DrawPlaneEx(Vector3 centerPos, Vector2 size, Color color, Vector3 normal, Vector3 tangent);   // Draw a plane with extended parameters
 RLAPI void DrawRay(Ray ray, Color color);                                                                // Draw a ray line
 RLAPI void DrawGrid(int slices, float spacing);                                                          // Draw a grid (centered at (0, 0, 0))
-RLAPI void DrawGridEx(int slices, float spacing, Vector3 color, Vector3 position, Vector3 normal, Vector3 tangent); // Draw a grid with extended parameters
+RLAPI void DrawGridEx(int slices, float spacing, Color color, Vector3 position, Vector3 normal, Vector3 tangent); // Draw a grid with extended parameters
 
 //------------------------------------------------------------------------------------
 // Model 3d Loading and Drawing Functions (Module: models)

src/rmodels.c

@@ -1127,7 +1127,7 @@ void DrawGrid(int slices, float spacing)
 }
 
 // Draw a grid with extended parameters
-void DrawGridEx(int slices, float spacing, Vector3 color, Vector3 position, Vector3 normal, Vector3 tangent)
+void DrawGridEx(int slices, float spacing, Color color, Vector3 position, Vector3 normal, Vector3 tangent)
 {
     int halfSlices = slices / 2;
 
@@ -1138,8 +1138,7 @@ void DrawGridEx(int slices, float spacing, Vector3 color, Vector3 position, Vect
     t = Vector3CrossProduct(n, b); // Ensure normal and tangent vectors are orthogonal
 
     rlBegin(RL_LINES);
-        rlColor3f(color.x, color.y, color.z);
-
+        rlColor4ub(color.r, color.g, color.b, color.a);
         for (int i = -halfSlices; i <= halfSlices; i++)
         {
             float f = (float)i * spacing;