updated rect class and added some documentation

include/arc/math/rectangle.h

@@ -21,8 +21,61 @@ typedef struct ARC_URect {
     uint32_t h;
 } ARC_URect;
 
+typedef struct ARC_FRect {
+    float x;
+    float y;
+    float w;
+    float h;
+} ARC_FRect;
+
+/**
+ * @brief centers rect on given bounds
+ * 
+ * @param rect ARC_Rect to be centered
+ * @param bounds ARC_Rect area to center rect on
+ */
+void ARC_Rect_CenterOn(ARC_Rect *rect, ARC_Rect *bounds);
+
+/**
+ * @brief centers rect on given bounds
+ * 
+ * @param rect ARC_FRect to be centered
+ * @param bounds ARC_FRect area to center rect on
+ */
+void ARC_FRect_CenterOn(ARC_FRect *rect, ARC_FRect *bounds);
+
+/**
+ * @brief casts FRect to Rect
+ * 
+ * @param rect ARC_FRect to be casted
+ * 
+ * @return ARC_Rect
+ */
+ARC_Rect ARC_FRect_CastToRect(ARC_FRect *rect);
+
+/**
+ * @brief checks if two ARC_Rects intersect
+ * 
+ * @param rect1 ARC_Rect that will be checked against rect2
+ * @param rect2 ARC_Rect that will be checked against rect1
+ * 
+ * @return 1 if they intersect, 0 if they don't intersect
+ */
 int32_t ARC_Rect_Intersects(ARC_Rect *rect1, ARC_Rect *rect2);
 
+/**
+ * @brief checks if ARC_Rect intersects a line
+ * 
+ * @note need to update this documenation to word it better
+ *
+ * @param rect ARC_Rect that will be checked against line
+ * @param x1 first point's x value
+ * @param y1 first point's y value
+ * @param y2 second point's x value
+ * @param y2 second point's y value
+ * 
+ * @return 1 if they intersect, 0 if they don't intersect
+ */
 int32_t ARC_Rect_LineIntersects(ARC_Rect *rect, int32_t *x1, int32_t *y1, int32_t *x2, int32_t *y2);
 
 #ifdef __cplusplus