[ADD] begin of collision

src/toolbox/toolbox.c

@@ -6,4 +6,13 @@ float toolbox_random_float(float a, float b)
     float diff = b - a;
     float r = random * diff;
     return a + r;
+}
+
+size_t toolbox_is_collision(float x1, float y1, float width1, float heigth1, float x2, float y2, float width2, float height2)
+{
+    //TODO make it work
+    return x1 < x2 + width2 / 2 &&
+           x1 + width1 / 2 > x2 &&
+           y1 < y2 + height2 / 2 &&
+           y1 + heigth1 / 2 > y2;
 }

src/toolbox/toolbox.h

@@ -10,4 +10,19 @@
  */
 float toolbox_random_float(float a, float b);
 
+/**
+ * @brief checks if a collision has happened between 2 ractancles (bounding boxes)
+ * 
+ * @param x1 the center x of the first object
+ * @param y1 the center y of the first object
+ * @param width1 the width of the first object
+ * @param heigth1 the heigth of the first object
+ * @param x2 the center x of the second object
+ * @param y2 the center y of the second object
+ * @param width2 the width of the second object
+ * @param height2 the heigth of the second object
+ * @return size_t 0 if no collision, 1 if there is a collision.
+ */
+size_t toolbox_is_collision(float x1, float y1, float width1, float heigth1, float x2, float y2, float width2, float height2);
+
 #endif // !TOOLBOX_H