Diff: Ball/Ball.h

Revision:

37:de1f584bce71

Parent:

29:42651f87522b

Child:

38:a85bc227b907

--- a/Ball/Ball.h	Mon May 06 00:05:52 2019 +0000
+++ b/Ball/Ball.h	Mon May 06 21:44:49 2019 +0000
@@ -10,24 +10,78 @@
 class Ball {
 
 public:
-//constructor method
+    /** 
+    * @brief Create a Ball object
+    */
     Ball();
-//destructor method
+    /** 
+    * @brief Delete a ball member to free up memory
+    */
     ~Ball();
-//methods for engine
+    
+    /** Initialise ball object
+    *
+    *   Sets the initial position of the ball to the centre of the LCD display.
+    *   Sets the initial velocity of the ball to 0 and the sensitivity of the 
+    *   ball to 5/10.
+    *   @param radius - integer for radius of the ball
+    */
     void init(int radius);
+    /** 
+    * @brief read the input from the accelerometer and convert it to an instantaneous velocity 
+    * for the ball.
+    * @param accelerometer - FXOS8700CQ object to retrieve acceleromter readings
+    */
     void read_input(FXOS8700CQ &accelerometer);
+    /** 
+    * @brief update the coordinates of the ball within the range of the screen
+    */
     void update();
+    /** 
+    * @brief render the ball onto the LCD screen
+    * @param lcd - N5110 object to interface with the LCD
+    */
     void draw(N5110 &lcd);
-//accessor methods
+    /** 
+    * @brief get the instantaneous velocity of the ball
+    * @returns x and y velocities of the ball in a 2D vector
+    */
     Vector2D get_velocity();
+    /** 
+    * @brief get the instantaneous position of the ball
+    * @returns x and y positions in a 2D vector. 0 < x < 83 and 0 < y < 47.
+    */
     Vector2D get_position();
+    /** 
+    * @brief get the radius of the ball
+    * @returns radius of the ball as an integer
+    */
     int get_radius();
+    /** 
+    * @brief get the speed multiplying factor of the ball. Essentially the sensitivity
+    * to the accelerometer input
+    * @returns ball speed multiplier as an integer in the range 1-10
+    */
     int get_ball_speed();
-//mutator methods
-    void set_ball_speed(int ball_speed);    //this is a constant multiplier for the ball velocity in both axes
-    void set_velocity(Vector2D vel);    //this is used to set the velocity at one specific instant in the code
+    /** 
+    * @brief Set the sensitivity of the ball's motion to the accelerometer input
+    * @param ball_speed - integer in the range 1-10
+    */
+    void set_ball_speed(int ball_speed);
+    /** 
+    * @brief set the instantaneous velocities in the x and y directions
+    * @param vel - a 2D vector (using the gamepad class) of the desired x and y velocities
+    */
+    void set_velocity(Vector2D vel);
+    /** 
+    * @brief set the instantaneous x and y positions of the ball
+    * @param pos - a 2D vector (using the gamepad class) of the desired x and y coordinates
+    */
     void set_position(Vector2D pos);
+    /** 
+    * @brief set the radius of the ball
+    * @param radius - integer value
+    */
     void set_radius(int radius);
     
 private: