Review raylib structs comments

src/raylib.h

@@ -181,23 +181,23 @@
 
 // Vector2 type
 typedef struct Vector2 {
-    float x;
-    float y;
+    float x;                // Vector x component
+    float y;                // Vector y component
 } Vector2;
 
 // Vector3 type
 typedef struct Vector3 {
-    float x;
-    float y;
-    float z;
+    float x;                // Vector x component
+    float y;                // Vector y component
+    float z;                // Vector z component
 } Vector3;
 
 // Vector4 type
 typedef struct Vector4 {
-    float x;
-    float y;
-    float z;
-    float w;
+    float x;                // Vector x component
+    float y;                // Vector y component
+    float z;                // Vector z component
+    float w;                // Vector w component
 } Vector4;
 
 // Quaternion type, same as Vector4
@@ -205,26 +205,26 @@ typedef Vector4 Quaternion;
 
 // Matrix type (OpenGL style 4x4 - right handed, column major)
 typedef struct Matrix {
-    float m0, m4, m8, m12;
-    float m1, m5, m9, m13;
-    float m2, m6, m10, m14;
-    float m3, m7, m11, m15;
+    float m0, m4, m8, m12;  // Matrix first row (4 components)
+    float m1, m5, m9, m13;  // Matrix second row (4 components)
+    float m2, m6, m10, m14; // Matrix third row (4 components)
+    float m3, m7, m11, m15; // Matrix fourth row (4 components)
 } Matrix;
 
 // Color type, RGBA (32bit)
 typedef struct Color {
-    unsigned char r;
-    unsigned char g;
-    unsigned char b;
-    unsigned char a;
+    unsigned char r;        // Color red value
+    unsigned char g;        // Color green value
+    unsigned char b;        // Color blue value
+    unsigned char a;        // Color alpha value
 } Color;
 
 // Rectangle type
 typedef struct Rectangle {
-    float x;
-    float y;
-    float width;
-    float height;
+    float x;                // Rectangle top-left corner position x 
+    float y;                // Rectangle top-left corner position y
+    float width;            // Rectangle width
+    float height;           // Rectangle height
 } Rectangle;
 
 // Image type, bpp always RGBA (32bit)