fix color format

src/types/gryphn_color.h

@@ -1,8 +1,6 @@
 #include "../math/gryphn_vec4.h"
 
-#ifdef GN_UTILS_CPP
-struct gnColor {
-public:
+typedef struct gnColor {
     union {
         struct {
             int r, g, b;
@@ -14,7 +12,8 @@ public:
             float alpha;
         };
     };
-public:
+
+    #ifdef GN_UTILS_CPP
     gnColor(int red, int green, int blue, float alpha = 1.0) {
         this->red = red;
         this->green = green;
@@ -28,19 +27,5 @@ public:
         this->blue = color;
         this->alpha = alpha;
     }
-};
-#else
-typedef struct gnColor {
-    union {
-        struct {
-            int r, g, b;
-            float a;
-        };
-
-        struct {
-            int red, green, blue;
-            float alpha;
-        };
-    };
+    #endif
 } gnColor;
-#endif