Nemesis game, fourth enemy

Files at this revision

API Documentation at this revision

Comitter:
musallambseiso
Date:
Wed May 03 20:04:16 2017 +0000
Parent:
2:1f2d27210997
Commit message:
Removed redundant code, perfected Doxygen, added inline comments.

Changed in this revision

Enemy4.cpp Show annotated file Show diff for this revision Revisions of this file
Enemy4.h Show annotated file Show diff for this revision Revisions of this file
--- a/Enemy4.cpp	Tue May 02 22:14:30 2017 +0000
+++ b/Enemy4.cpp	Wed May 03 20:04:16 2017 +0000
@@ -2,24 +2,27 @@
 
 Enemy4::Enemy4()
 {
-
 }
 
 Enemy4::~Enemy4()
 {
+}
 
-}
+
+// Initializion method:
 
 void Enemy4::init(int speed)
 {
-    int x = rand() % 63 + 84;
-    _x = x;
-    _y = 21;
+    _x = rand() % 63 + 84;  // Starting x position is randomized off screen. Creates a random ship generation.
+    _y = 21;                // Starting y position (fixed, fourth lane)
 
-    _velocity.x = -speed;
+    _velocity.x = -speed;   // Velocity is based on the speed, which is input when method is used.
     _velocity.y = 0;
 }
 
+
+// Draws fourth enemy ship onto LCD:
+
 void Enemy4::draw(N5110 &lcd)
 {
     lcd.drawLine(_x,_y,_x,_y+5,1);
@@ -29,12 +32,19 @@
     lcd.drawLine(_x-4,_y+2,_x-4,_y+3,1);
 }
 
+
+// Updates fourth enemy ship's position:
+
 void Enemy4::update()
 {
+    // X and y positions depend on velocity:
     _x += _velocity.x;
     _y += _velocity.y;
 }
 
+
+// Obtains fourth enemy ship's current position:
+
 Vector2D Enemy4::get_pos()
 {
     Vector2D p = {_x,_y};
--- a/Enemy4.h	Tue May 02 22:14:30 2017 +0000
+++ b/Enemy4.h	Wed May 03 20:04:16 2017 +0000
@@ -6,6 +6,17 @@
 #include "Gamepad.h"
 #include "Friendly.h"
 
+/** Enemy4 Class
+@brief Used for generating the fourth enemy ship in the Nemesis game. Includes drawing and updating functions. 
+@brief Incorporates N5110.h file by Craig A. Evans.
+
+@brief Revision 1.0
+
+@author Musallam M. M. Bseiso
+@date   3rd May 2017
+*/
+
+
 class Enemy4
 {
 
@@ -31,6 +42,8 @@
     /** Draw Enemy4
     *   
     *   Draws the fourth enemy ship onto the LCD, in accordance with the parameters initialized in the "init" method.
+    *   @param N5110 - nokia LCD library
+    *   @param lcd - pointer to nokia LCD library
     */
     void draw(N5110 &lcd);