Diff: Ball/Ball.h

Revision:

9:960dfc71c224

Child:

10:989e5dbd12ee

diff -r e16bb923afd3 -r 960dfc71c224 Ball/Ball.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Ball/Ball.h	Thu May 04 14:43:29 2017 +0000
@@ -0,0 +1,121 @@
+/**
+ @brief Ball Class contains necessary parameters to draw the ball of the correct position, size and fill style.
+ @author Max Houghton
+ @date March 19 2017
+ */
+
+#ifndef BALL_H
+#define BALL_H
+
+#include "mbed.h"
+#include "N5110.h"
+#include "Gamepad.h"
+
+class Ball
+{
+    
+public:
+    
+    /**
+     *  @details - constructor
+     */
+    Ball();
+    
+    /**
+     *  @details - destructor
+     */
+    ~Ball();
+    
+    /** Initialise Ball
+     *
+     *  @details - Initiases the ball with the appropriate different parameters chosen by user.
+     *  @param - x - specifies the x coordinate for the starting position of the ball.
+     *  @param - y - specifies the y coordinate for the starting position of the ball.
+     *  @param - radius - specifies size of the ball to be drawn.
+     *  @param - colour - specifies if the ball is either transparent or filled.
+     */
+    void init(float x, float y, int radius, bool colour);
+    
+    /** Update
+     *
+     *  @details - Function takes the 2D Vector 'position' and updates the current position of the ball by adding on the values of 'position'.
+     *  @param - position - 2D Vector struct passed down by engine containing values for the centre of the ball for the next iteration.
+     *
+     */
+    void update(Vector2D position);
+    
+    /** Draw
+     *
+     *  @details - Function draws the ball using the current set values for the centre of the ball and its radius.
+     *  @param - lcd - N5110 Library used to draw the circle representing the ball.
+     *
+     */
+    void draw(N5110 &lcd);
+    
+    /** Get Position
+     *
+     *  @details - Function returns a 2D Vector struct containing information about the ball's current position. This is used when checking for wall collisions in the Maze Engine class.
+     *
+     */
+    Vector2D getPosition();
+    
+    /** Get Velocity
+     *
+     *  @details - Function returns a 2D Vector struct containing information about the ball's next position.
+     *
+     */
+    Vector2D getVelocity();
+    
+    /** Set Position
+     *
+     *  @details - This function dictates the position of the ball for the next update of the game. It is used in the wall collision check and goal check functions.
+     *  @param - p - 2D Vector struct containing the location of the ball to be set to.
+     *
+     */
+    void setPosition(Vector2D p);
+    
+    /** Set Velocity
+     *
+     *  @details - This decides where the ball is to travel next.
+     *  @param - v - 2D Vector struct which has the location of the ball for the next iteration.
+     *
+     */
+    void setVelocity(Vector2D v);
+    
+private:
+    
+    /**
+     *  @details - Struct containing x and y values for the following position of the ball
+     */
+    Vector2D velocity;
+    
+    /** Check For Interference
+     *
+     *  @details - When using the accelerometer data for position values, small but non-zero values can cause the ball undesirably. This function removes all small values of the data ensuring the ball only moves according to deliberate movements of the accelerometer.
+     *
+     */
+    Vector2D checkForInterference(Vector2D velocity);
+    
+    /**
+     *  @param - _radius - Integer to decide size of the ball to be drawn.
+     */
+    int _radius;
+    
+    /**
+     *  @param - _x - Float value specifying x coordinate of centre of ball.
+     */
+    float _x;
+    
+    /**
+     *  @param - _y - Float value specifying y coordinate of centre of ball.
+     */
+    float _y;
+    
+    /**
+     *  @param - _colour - Boolean value specifying fill style of the ball; true corresponds to transparent fill and false to solid fill.
+     */
+    bool _colour;
+    
+};
+
+#endif /* BALL_H */