Coin.cpp

00001 #include "Coin.h"
00002 
00003 // Define sprite arrays.
00004 int coin_front[5][5] = {
00005   { 0,0,1,0,0 },
00006   { 0,1,0,1,0 },
00007   { 1,0,1,0,1 },
00008   { 0,1,0,1,0 },
00009   { 0,0,1,0,0 },
00010 };
00011 
00012 int coin_side[5][5] = {
00013   { 0,0,1,0,0 },
00014   { 0,0,1,0,0 },
00015   { 0,0,1,0,0 },
00016   { 0,0,1,0,0 },
00017   { 0,0,1,0,0 },
00018 };
00019 
00020 // Constructor and destructor.
00021 Coin::Coin() {} 
00022 
00023 Coin::~Coin() {}
00024 
00025 void Coin::init() {
00026   // Starting position of the coin.
00027   _x = 20;
00028   _y = 33;
00029   _coin_counter = 0;
00030 }
00031 
00032 void Coin::generate_coin() {
00033   // Toggle the state of the coin every 3 loop iterations. This will be used to  
00034   // print different coin sprites so it looks like it is rotating.
00035   if (_coin_counter == 2) {
00036     _coin_counter = 0;
00037     _rotate_coin = !_rotate_coin;
00038   }
00039   _coin_counter++;      
00040 }
00041 
00042 void Coin::set_coin(int rand_x, int rand_y) {
00043   // Set the coin coords based on input values.
00044   if (rand_y > 40) {  
00045     _y = 15;  // Set the coin on the top platforms.
00046   } else {
00047     _y = 33;  // Set coin on the bottom platforms.
00048   }
00049   _x = rand_x;
00050   if (_x < 3 || _x > 78) {  // Ensures the coin does not generate off-screen.
00051     _x = 50;  // Default value if the coin generates off-screen.
00052   }
00053 }
00054 
00055 int * Coin::get_coin_sprite() {
00056   // Return different coin sprites.
00057   if (_rotate_coin) {
00058     return *coin_front;
00059   } else {
00060     return *coin_side;
00061   }
00062 }
00063 
00064 int Coin::get_coin_x() {
00065   return _x;
00066 }
00067 
00068 int Coin::get_coin_y() {
00069   return _y;
00070 } 
00071 
00072