ELEC2645 (2017/18) / Mbed 2 deprecated ll14zs

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   mbed

Fork of ll14zs by Zeshaan Saeed

DashEngine/DashEngine.cpp@3:1231a3961984, 2018-05-24 (annotated)

Committer:
ll14zs
Date:
Thu May 24 17:37:17 2018 +0000
Revision:
3:1231a3961984
Parent:
2:5d3aac7fd3df 
Final Submission. I have read and agreed with Statement of Academic Integrity

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ll14zs 3:1231a3961984 1 #include "DashEngine.h"
ll14zs 3:1231a3961984 2
ll14zs 3:1231a3961984 3 void scoreTicker_isr();
ll14zs 3:1231a3961984 4 volatile int g_score_flag=0;
ll14zs 3:1231a3961984 5
ll14zs 3:1231a3961984 6 DashEngine::DashEngine()
ll14zs 3:1231a3961984 7 {
ll14zs 3:1231a3961984 8
ll14zs 3:1231a3961984 9 }
ll14zs 3:1231a3961984 10
ll14zs 3:1231a3961984 11 DashEngine::~DashEngine()
ll14zs 3:1231a3961984 12 {
ll14zs 3:1231a3961984 13
ll14zs 3:1231a3961984 14 }
ll14zs 3:1231a3961984 15
ll14zs 3:1231a3961984 16
ll14zs 3:1231a3961984 17
ll14zs 3:1231a3961984 18
ll14zs 3:1231a3961984 19 void DashEngine::init(int car_width,int car_height,int _x,int _y,int level_height)
ll14zs 3:1231a3961984 20 {
ll14zs 3:1231a3961984 21
ll14zs 3:1231a3961984 22 // initialise the game parameters
ll14zs 3:1231a3961984 23 _car_width = car_width;
ll14zs 3:1231a3961984 24 _car_height = car_height;
ll14zs 3:1231a3961984 25 _car_x = _x;
ll14zs 3:1231a3961984 26 _car_y = _y;
ll14zs 3:1231a3961984 27 _level_height = level_height;
ll14zs 3:1231a3961984 28
ll14zs 3:1231a3961984 29
ll14zs 3:1231a3961984 30 _car.init(_car_width,_car_height,_car_x,_car_y);
ll14zs 3:1231a3961984 31 }
ll14zs 3:1231a3961984 32
ll14zs 3:1231a3961984 33 void DashEngine::read_input(Gamepad &pad)
ll14zs 3:1231a3961984 34 {
ll14zs 3:1231a3961984 35 _d = pad.get_direction();
ll14zs 3:1231a3961984 36 pad.check_event(Gamepad::START_PRESSED) == false;
ll14zs 3:1231a3961984 37 }
ll14zs 3:1231a3961984 38
ll14zs 3:1231a3961984 39 void DashEngine::draw(N5110 &lcd,Gamepad &pad)
ll14zs 3:1231a3961984 40 {
ll14zs 3:1231a3961984 41 lcd.drawRect(0,0,82,48,0); // Draws in the LCD buffer
ll14zs 3:1231a3961984 42
ll14zs 3:1231a3961984 43 _level.draw(lcd); // Level
ll14zs 3:1231a3961984 44
ll14zs 3:1231a3961984 45 for(std::vector<Level*>::iterator it = LevelVectors.begin(); it != LevelVectors.end(); it++){
ll14zs 3:1231a3961984 46 (*it)->draw(lcd); //Iterator
ll14zs 3:1231a3961984 47
ll14zs 3:1231a3961984 48 _car.draw(lcd); // Car
ll14zs 3:1231a3961984 49 //printf("%d\n",drawcar);
ll14zs 3:1231a3961984 50
ll14zs 3:1231a3961984 51 }
ll14zs 3:1231a3961984 52
ll14zs 3:1231a3961984 53 void DashEngine::addLevel()
ll14zs 3:1231a3961984 54 {
ll14zs 3:1231a3961984 55 LevelVectors.push_back(new Level()); // Adds a new Level at the end of the vector, after its current last Level. The Level is copied (or moved) to the new Level.
ll14zs 3:1231a3961984 56
ll14zs 3:1231a3961984 57 }
ll14zs 3:1231a3961984 58
ll14zs 3:1231a3961984 59 void DashEngine::update(N5110 & lcd,Gamepad & pad)
ll14zs 3:1231a3961984 60 {
ll14zs 3:1231a3961984 61 _level.get.velocity();
ll14zs 3:1231a3961984 62 _car.update(_d);
ll14zs 3:1231a3961984 63 score_timer(pad);
ll14zs 3:1231a3961984 64 counter++; // Increment counter each cycle
ll14zs 3:1231a3961984 65 if(counter == 25){
ll14zs 3:1231a3961984 66 counter =0;
ll14zs 3:1231a3961984 67 addLevel();
ll14zs 3:1231a3961984 68 }
ll14zs 3:1231a3961984 69 for std::vector<Level*>::iterator it = LevelVectors.begin(); it != LevelVectors.end(); it++){
ll14zs 3:1231a3961984 70 (*it)>>draw(lcd); //Iterator
ll14zs 3:1231a3961984 71 }
ll14zs 3:1231a3961984 72
ll14zs 3:1231a3961984 73 check_wall_collision(pad);
ll14zs 3:1231a3961984 74 //printf("%d\n", wallcollision)
ll14zs 3:1231a3961984 75
ll14zs 3:1231a3961984 76 check_level_collision(pad);
ll14zs 3:1231a3961984 77 //printf("%d\n", levelcollision)
ll14zs 3:1231a3961984 78
ll14zs 3:1231a3961984 79 void DashEngine::check_wall_collision(Gamepad & pad)
ll14zs 3:1231a3961984 80 {
ll14zs 3:1231a3961984 81 // read current car attributes
ll14zs 3:1231a3961984 82 Vector2D car_pos = _car.get_pos();
ll14zs 3:1231a3961984 83
ll14zs 3:1231a3961984 84 // check if hit left wall
ll14zs 3:1231a3961984 85 if(car_pos.x <= 1){ // 1 to 1 pixel boundary
ll14zs 3:1231a3961984 86 car_pos.x = 1;
ll14zs 3:1231a3961984 87 // audio feedback
ll14zs 3:1231a3961984 88 pad.tone(750.0,0.1);
ll14zs 3:1231a3961984 89 }
ll14zs 3:1231a3961984 90 // check if hit right wall
ll14zs 3:1231a3961984 91 else if(car_pos.x >= (80)){
ll14zs 3:1231a3961984 92 // audio feedback
ll14zs 3:1231a3961984 93 pad.tone(750.0,0.1);
ll14zs 3:1231a3961984 94 }
ll14zs 3:1231a3961984 95
ll14zs 3:1231a3961984 96 // update car parameters
ll14zs 3:1231a3961984 97 _car.set_pos(car_pos);
ll14zs 3:1231a3961984 98 }
ll14zs 3:1231a3961984 99
ll14zs 3:1231a3961984 100 void DashEngine::check_level_collisions(N5110 &lcd,Gamepad &pad)
ll14zs 3:1231a3961984 101 {
ll14zs 3:1231a3961984 102 // read current car attributes
ll14zs 3:1231a3961984 103 Vector2D car_pos = _car.get_pos();
ll14zs 3:1231a3961984 104 Vector2D car_velocity = _car.get_velocity();
ll14zs 3:1231a3961984 105
ll14zs 3:1231a3961984 106 // see if the pixels below the car are clear
ll14zs 3:1231a3961984 107 if (!(lcd.getPixel(car_pos.x, car_pos.y + _car_height+1) || lcd.getPixel(car_pos.x, car_pos.y + _car_height + 2))){
ll14zs 3:1231a3961984 108
ll14zs 3:1231a3961984 109 levelcollision = 0;
ll14zs 3:1231a3961984 110 }
ll14zs 3:1231a3961984 111 //printf("%d\n",levelcollision=0)
ll14zs 3:1231a3961984 112
ll14zs 3:1231a3961984 113
ll14zs 3:1231a3961984 114 if ((lcd.getPixel(car_pos.x, car_pos.y + _car_height+1) || lcd.getPixel(car_pos.x, car_pos.y + _car_height + 2))){
ll14zs 3:1231a3961984 115
ll14zs 3:1231a3961984 116 levelcollision = 1;
ll14zs 3:1231a3961984 117 pad.tone(850.0,0.1);
ll14zs 3:1231a3961984 118 }
ll14zs 3:1231a3961984 119 //printf("%d\n",levelcollision=1)
ll14zs 3:1231a3961984 120
ll14zs 3:1231a3961984 121 if ( (levelcollision == 0)){
ll14zs 3:1231a3961984 122 car_velocity.y = 1;
ll14zs 3:1231a3961984 123 }
ll14zs 3:1231a3961984 124
ll14zs 3:1231a3961984 125
ll14zs 3:1231a3961984 126 if ( (levelcollision == 1)){
ll14zs 3:1231a3961984 127 car_velocity.y = -1;
ll14zs 3:1231a3961984 128 }
ll14zs 3:1231a3961984 129
ll14zs 3:1231a3961984 130 // update car parameters
ll14zs 3:1231a3961984 131 _car.set_velocity(car_velocity);
ll14zs 3:1231a3961984 132 _car.set_pos(car_pos);
ll14zs 3:1231a3961984 133 }
ll14zs 3:1231a3961984 134
ll14zs 3:1231a3961984 135 void DashEngine::score_timer(Gamepad & pad){
ll14zs 3:1231a3961984 136
ll14zs 3:1231a3961984 137 if (g_score_flag==1) {
ll14zs 3:1231a3961984 138
ll14zs 3:1231a3961984 139 _car.add_score();
ll14zs 3:1231a3961984 140 }
ll14zs 3:1231a3961984 141 }
ll14zs 3:1231a3961984 142
ll14zs 3:1231a3961984 143 void DashEngine::check_gameover(N5110 & lcd, Gamepad & pad)
ll14zs 3:1231a3961984 144 {
ll14zs 3:1231a3961984 145 Vector2D car_pos = _car.get_pos();
ll14zs 3:1231a3961984 146
ll14zs 3:1231a3961984 147 int car_score = _car.get_score();
ll14zs 3:1231a3961984 148
ll14zs 3:1231a3961984 149 //check if car hits the top
ll14zs 3:1231a3961984 150 if (car_pos.y <= 1) {
ll14zs 3:1231a3961984 151
ll14zs 3:1231a3961984 152 int i=0;
ll14zs 3:1231a3961984 153 while(1) {
ll14zs 3:1231a3961984 154 i++;
ll14zs 3:1231a3961984 155
ll14zs 3:1231a3961984 156 if (i==15){
ll14zs 3:1231a3961984 157
ll14zs 3:1231a3961984 158 // auido feedback
ll14zs 3:1231a3961984 159 pad.tone(300.0,0.2);
ll14zs 3:1231a3961984 160 wait(0.5);
ll14zs 3:1231a3961984 161 pad.tone(500.0,0.4);
ll14zs 3:1231a3961984 162 wait(0.5);
ll14zs 3:1231a3961984 163 pad.tone(700.0,1.0);
ll14zs 3:1231a3961984 164 }
ll14zs 3:1231a3961984 165
ll14zs 3:1231a3961984 166 // end of game screen
ll14zs 3:1231a3961984 167 lcd.clear();
ll14zs 3:1231a3961984 168 lcd.printString(" GAME OVER! ",0,1);
ll14zs 3:1231a3961984 169 lcd.printString(" SCORE: ",0,4);
ll14zs 3:1231a3961984 170
ll14zs 3:1231a3961984 171 char buffer1[14];
ll14zs 3:1231a3961984 172 sprintf(buffer1,"%2d",car_score);
ll14zs 3:1231a3961984 173 lcd.printString(buffer1,25,4);
ll14zs 3:1231a3961984 174 lcd.refresh();
ll14zs 3:1231a3961984 175 }
ll14zs 3:1231a3961984 176 }}