ELEC2645 (2019/20) / Mbed 2 deprecated ELEC2645_Project_el18mrjr

Matis Requis 201241242

Dependencies:   mbed

Tempest Game

Game Screen

https://os.mbed.com/media/uploads/MatisRequis/tempest_board_wiki.png The board is made of 12 columns. The Hero stays at the top of the column

Game Controls

https://os.mbed.com/media/uploads/MatisRequis/gamepad_buttons.png

To control the hero spaceship point the joystick to the column you want the hero to go to.

Press the A button to shoot a bullet in the column you are currently in.

TempestEngine/TempestEngine.cpp@12:1f1907ebebeb, 2020-05-27 (annotated)

Committer:
MatisRequis
Date:
Wed May 27 05:53:03 2020 +0000
Revision:
12:1f1907ebebeb
Parent:
10:2ae9d4145410 
Final Submission. I have read and agreed with Statement of Academic Integrity

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MatisRequis 2:d59a92e65bd9 1 #include "TempestEngine.h"
MatisRequis 2:d59a92e65bd9 2
MatisRequis 2:d59a92e65bd9 3 TempestEngine::TempestEngine() {
MatisRequis 2:d59a92e65bd9 4
MatisRequis 2:d59a92e65bd9 5 }
MatisRequis 2:d59a92e65bd9 6
MatisRequis 2:d59a92e65bd9 7 TempestEngine::~TempestEngine() {
MatisRequis 2:d59a92e65bd9 8
MatisRequis 2:d59a92e65bd9 9 }
MatisRequis 2:d59a92e65bd9 10
MatisRequis 10:2ae9d4145410 11 //initialises all the speeds, score, lives, and the hero
MatisRequis 4:8e3ba8d6d915 12 void TempestEngine::init() {
MatisRequis 4:8e3ba8d6d915 13 _hero.init(0);
MatisRequis 9:759b419fec3b 14 _alienspeed = 6;
MatisRequis 10:2ae9d4145410 15 _score = 0;
MatisRequis 10:2ae9d4145410 16 _herolives = 3;
MatisRequis 12:1f1907ebebeb 17 _shooting_speed = 5;
MatisRequis 2:d59a92e65bd9 18 }
MatisRequis 2:d59a92e65bd9 19
MatisRequis 10:2ae9d4145410 20 //draws all the elemnts
MatisRequis 2:d59a92e65bd9 21 void TempestEngine::draw(N5110 &lcd) {
MatisRequis 3:54132cf073d7 22 _board.draw(lcd);
MatisRequis 4:8e3ba8d6d915 23
MatisRequis 4:8e3ba8d6d915 24 //draw hero ship
MatisRequis 4:8e3ba8d6d915 25 _hero.draw(lcd);
MatisRequis 2:d59a92e65bd9 26
MatisRequis 2:d59a92e65bd9 27 //draw bullets
MatisRequis 6:037dfa5064a1 28 draw_bullets(lcd);
MatisRequis 2:d59a92e65bd9 29
MatisRequis 9:759b419fec3b 30 draw_aliens(lcd);
MatisRequis 10:2ae9d4145410 31 display_score(lcd);
MatisRequis 10:2ae9d4145410 32 display_lives(lcd);
MatisRequis 10:2ae9d4145410 33 }
MatisRequis 9:759b419fec3b 34
MatisRequis 10:2ae9d4145410 35 //reads the input from the gamepad
MatisRequis 4:8e3ba8d6d915 36 void TempestEngine::read_input(Gamepad &pad) {
MatisRequis 4:8e3ba8d6d915 37 _d = pad.get_angle();
MatisRequis 7:94bc3e21d664 38 _a = pad.A_pressed();
MatisRequis 4:8e3ba8d6d915 39 }
MatisRequis 4:8e3ba8d6d915 40
MatisRequis 4:8e3ba8d6d915 41
MatisRequis 10:2ae9d4145410 42 //updates all the objects and members
MatisRequis 4:8e3ba8d6d915 43 void TempestEngine::update() {
MatisRequis 10:2ae9d4145410 44 _hero.update(_d);
MatisRequis 10:2ae9d4145410 45 create_aliens();
MatisRequis 10:2ae9d4145410 46 update_aliens();
MatisRequis 6:037dfa5064a1 47 create_bullets();
MatisRequis 9:759b419fec3b 48 update_bullets();
MatisRequis 9:759b419fec3b 49
MatisRequis 10:2ae9d4145410 50 check_alien_bullet_colision();
MatisRequis 10:2ae9d4145410 51 game_over();
MatisRequis 10:2ae9d4145410 52 }
MatisRequis 10:2ae9d4145410 53
MatisRequis 10:2ae9d4145410 54 //sets the gamover flag to 1 when there are no lives left
MatisRequis 10:2ae9d4145410 55 int TempestEngine::game_over() {
MatisRequis 10:2ae9d4145410 56 if (_herolives == 0) {
MatisRequis 10:2ae9d4145410 57 return 1;
MatisRequis 10:2ae9d4145410 58 } else {
MatisRequis 10:2ae9d4145410 59 return 0;
MatisRequis 10:2ae9d4145410 60 }
MatisRequis 10:2ae9d4145410 61 }
MatisRequis 10:2ae9d4145410 62
MatisRequis 10:2ae9d4145410 63 //displays the amount of lives with three hearts
MatisRequis 10:2ae9d4145410 64 void TempestEngine::display_lives(N5110 &lcd) {
MatisRequis 10:2ae9d4145410 65
MatisRequis 10:2ae9d4145410 66 //heart sprite made with an array
MatisRequis 10:2ae9d4145410 67 int heart_sprite[9][9] = { {0,1,1,0,0,0,1,1,0}, {1,1,1,1,0,1,1,1,1}, {1,1,1,1,1,1,1,1,1}, {1,1,1,1,1,1,1,1,1}, {1,1,1,1,1,1,1,1,1}, {0,1,1,1,1,1,1,1,0}, {0,0,1,1,1,1,1,0,0}, {0,0,0,1,1,1,0,0,0}, {0,0,0,0,1,0,0,0,0} };
MatisRequis 10:2ae9d4145410 68
MatisRequis 10:2ae9d4145410 69 //displays the amount of hearts corresponding to the amount of lives left
MatisRequis 10:2ae9d4145410 70 if (_herolives == 3) {
MatisRequis 10:2ae9d4145410 71 lcd.drawSprite(6, 34, 9, 9, (int*)heart_sprite);
MatisRequis 10:2ae9d4145410 72 lcd.drawSprite(6, 18, 9, 9, (int*)heart_sprite);
MatisRequis 10:2ae9d4145410 73 lcd.drawSprite(6, 3, 9, 9, (int*)heart_sprite);
MatisRequis 10:2ae9d4145410 74
MatisRequis 10:2ae9d4145410 75 } else if (_herolives == 2) {
MatisRequis 10:2ae9d4145410 76 lcd.drawSprite(6, 34, 9, 9, (int*)heart_sprite);
MatisRequis 10:2ae9d4145410 77 lcd.drawSprite(6, 18, 9, 9, (int*)heart_sprite);
MatisRequis 10:2ae9d4145410 78
MatisRequis 10:2ae9d4145410 79 } else if (_herolives == 1) {
MatisRequis 10:2ae9d4145410 80 lcd.drawSprite(6, 34, 9, 9, (int*)heart_sprite);
MatisRequis 10:2ae9d4145410 81
MatisRequis 10:2ae9d4145410 82 }
MatisRequis 10:2ae9d4145410 83 }
MatisRequis 10:2ae9d4145410 84
MatisRequis 10:2ae9d4145410 85 //displays the current score
MatisRequis 10:2ae9d4145410 86 void TempestEngine::display_score(N5110 &lcd) {
MatisRequis 10:2ae9d4145410 87 char buffer[2];
MatisRequis 10:2ae9d4145410 88 sprintf(buffer, "%2d", _score);
MatisRequis 10:2ae9d4145410 89 lcd.printString(buffer,71,3);
MatisRequis 6:037dfa5064a1 90 }
MatisRequis 6:037dfa5064a1 91
MatisRequis 9:759b419fec3b 92
MatisRequis 10:2ae9d4145410 93 void TempestEngine::check_alien_bullet_colision() {
MatisRequis 10:2ae9d4145410 94
MatisRequis 10:2ae9d4145410 95 //iterates throught the alien vector
MatisRequis 10:2ae9d4145410 96 for (int i = 0; i< alien_vect.size(); i++) {
MatisRequis 10:2ae9d4145410 97
MatisRequis 10:2ae9d4145410 98 //gets the current alien column and position in the column
MatisRequis 10:2ae9d4145410 99 Vector2D alien_pos = alien_vect[i].getcolumnpos();
MatisRequis 10:2ae9d4145410 100
MatisRequis 10:2ae9d4145410 101 //iterates through the bullet vector
MatisRequis 10:2ae9d4145410 102 for (int j = 0; j< bullet_vect.size(); j++) {
MatisRequis 10:2ae9d4145410 103
MatisRequis 10:2ae9d4145410 104 //gets the current bullet position
MatisRequis 10:2ae9d4145410 105 Vector2D bullet_pos = bullet_vect[j].getcolumnpos();
MatisRequis 10:2ae9d4145410 106
MatisRequis 10:2ae9d4145410 107 //removes the bullet and the alien if they are on the same position
MatisRequis 10:2ae9d4145410 108 if ( (alien_pos.x == bullet_pos.x) && (alien_pos.y <= bullet_pos.y) ) {
MatisRequis 10:2ae9d4145410 109 alien_vect.erase(alien_vect.begin() + i);
MatisRequis 10:2ae9d4145410 110 bullet_vect.erase(bullet_vect.begin() + j);
MatisRequis 10:2ae9d4145410 111 _score++;
MatisRequis 10:2ae9d4145410 112 }
MatisRequis 10:2ae9d4145410 113 }
MatisRequis 10:2ae9d4145410 114 }
MatisRequis 10:2ae9d4145410 115 }
MatisRequis 9:759b419fec3b 116
MatisRequis 9:759b419fec3b 117
MatisRequis 9:759b419fec3b 118
MatisRequis 9:759b419fec3b 119
MatisRequis 9:759b419fec3b 120 ////////////////////////////////////////////////////////////BULLET BEHAVIOR/////////////////////////////
MatisRequis 6:037dfa5064a1 121 void TempestEngine::create_bullets() {
MatisRequis 10:2ae9d4145410 122
MatisRequis 10:2ae9d4145410 123 //bullet countdown timer to prevent spam of bullets
MatisRequis 10:2ae9d4145410 124 if (_bullet_countdown <= 0) {
MatisRequis 10:2ae9d4145410 125
MatisRequis 10:2ae9d4145410 126 //checks if A button is pressed
MatisRequis 7:94bc3e21d664 127 if (_a) {
MatisRequis 10:2ae9d4145410 128
MatisRequis 10:2ae9d4145410 129 //creates new bullet object and adds it to the bullet vector.
MatisRequis 6:037dfa5064a1 130 Bullet new_bullet;
MatisRequis 6:037dfa5064a1 131
MatisRequis 6:037dfa5064a1 132 new_bullet.init(_hero.get_column());
MatisRequis 6:037dfa5064a1 133
MatisRequis 6:037dfa5064a1 134 bullet_vect.push_back(new_bullet);
MatisRequis 6:037dfa5064a1 135
MatisRequis 10:2ae9d4145410 136 //reset antispam counter
MatisRequis 10:2ae9d4145410 137 _bullet_countdown = _shooting_speed;
MatisRequis 6:037dfa5064a1 138 }
MatisRequis 8:5feb1913bc92 139 }
MatisRequis 10:2ae9d4145410 140 _bullet_countdown--;
MatisRequis 6:037dfa5064a1 141 }
MatisRequis 6:037dfa5064a1 142
MatisRequis 7:94bc3e21d664 143
MatisRequis 6:037dfa5064a1 144 //draws all the bullets
MatisRequis 6:037dfa5064a1 145 void TempestEngine::draw_bullets(N5110 &lcd) {
MatisRequis 6:037dfa5064a1 146 //iterates through the bullet objects
MatisRequis 9:759b419fec3b 147 for (int i = 0; i< bullet_vect.size(); i++) {
MatisRequis 6:037dfa5064a1 148 //draws current bullet
MatisRequis 6:037dfa5064a1 149 bullet_vect[i].draw(lcd);
MatisRequis 9:759b419fec3b 150 }
MatisRequis 9:759b419fec3b 151 }
MatisRequis 9:759b419fec3b 152
MatisRequis 9:759b419fec3b 153
MatisRequis 9:759b419fec3b 154 void TempestEngine::update_bullets() {
MatisRequis 10:2ae9d4145410 155
MatisRequis 10:2ae9d4145410 156 //iterates through the bullets
MatisRequis 9:759b419fec3b 157 for (int i =0; i< bullet_vect.size(); i++) {
MatisRequis 9:759b419fec3b 158 bullet_vect[i].update();
MatisRequis 6:037dfa5064a1 159
MatisRequis 6:037dfa5064a1 160 //checks if bullet needs to be deleted
MatisRequis 6:037dfa5064a1 161 if (bullet_vect[i].checkdelete()) {
MatisRequis 10:2ae9d4145410 162 //removes the bullet from the vector
MatisRequis 6:037dfa5064a1 163 bullet_vect.erase(bullet_vect.begin() + i);
MatisRequis 6:037dfa5064a1 164 }
MatisRequis 9:759b419fec3b 165 }
MatisRequis 9:759b419fec3b 166 }
MatisRequis 9:759b419fec3b 167
MatisRequis 9:759b419fec3b 168
MatisRequis 9:759b419fec3b 169
MatisRequis 9:759b419fec3b 170
MatisRequis 9:759b419fec3b 171 ///////////////////////////////////////////////////////////////ALIEN BEHAVIOR//////////////////////////////
MatisRequis 9:759b419fec3b 172
MatisRequis 9:759b419fec3b 173 void TempestEngine::create_aliens() {
MatisRequis 10:2ae9d4145410 174 //alien countdown timer to limit the amount of aliens on screen
MatisRequis 9:759b419fec3b 175 if (_alien_timer <= 0) {
MatisRequis 9:759b419fec3b 176
MatisRequis 10:2ae9d4145410 177 //creates new alien object and adds it to the alien vector.
MatisRequis 9:759b419fec3b 178 Alien new_alien;
MatisRequis 9:759b419fec3b 179
MatisRequis 9:759b419fec3b 180 new_alien.init((rand() % 12), _alienspeed);
MatisRequis 9:759b419fec3b 181
MatisRequis 9:759b419fec3b 182 alien_vect.push_back(new_alien);
MatisRequis 10:2ae9d4145410 183
MatisRequis 10:2ae9d4145410 184 //randomises the alien spawn time
MatisRequis 10:2ae9d4145410 185 _alien_timer = (rand() % 20) + 15;
MatisRequis 9:759b419fec3b 186
MatisRequis 9:759b419fec3b 187 }
MatisRequis 9:759b419fec3b 188 _alien_timer--;
MatisRequis 9:759b419fec3b 189 }
MatisRequis 9:759b419fec3b 190
MatisRequis 9:759b419fec3b 191
MatisRequis 9:759b419fec3b 192 //draws all the aliens
MatisRequis 9:759b419fec3b 193 void TempestEngine::draw_aliens(N5110 &lcd) {
MatisRequis 9:759b419fec3b 194 //iterates through the alien objects
MatisRequis 9:759b419fec3b 195 for (int i = 0; i< alien_vect.size(); i++) {
MatisRequis 9:759b419fec3b 196 //draws current alien
MatisRequis 9:759b419fec3b 197 alien_vect[i].draw(lcd);
MatisRequis 6:037dfa5064a1 198 }
MatisRequis 9:759b419fec3b 199 }
MatisRequis 9:759b419fec3b 200
MatisRequis 9:759b419fec3b 201
MatisRequis 9:759b419fec3b 202 void TempestEngine::update_aliens() {
MatisRequis 10:2ae9d4145410 203
MatisRequis 10:2ae9d4145410 204 //iterates through the all the aliens and updates them
MatisRequis 9:759b419fec3b 205 for (int i =0; i< alien_vect.size(); i++) {
MatisRequis 9:759b419fec3b 206 alien_vect[i].update();
MatisRequis 9:759b419fec3b 207
MatisRequis 10:2ae9d4145410 208 //checks if alien needs to be deleted at the top of the board
MatisRequis 9:759b419fec3b 209 if (alien_vect[i].checkdelete()) {
MatisRequis 10:2ae9d4145410 210
MatisRequis 10:2ae9d4145410 211 //removes the alien from the vector and removes a life
MatisRequis 9:759b419fec3b 212 alien_vect.erase(alien_vect.begin() + i);
MatisRequis 10:2ae9d4145410 213 _herolives--;
MatisRequis 9:759b419fec3b 214 }
MatisRequis 9:759b419fec3b 215 }
MatisRequis 10:2ae9d4145410 216 }
MatisRequis 10:2ae9d4145410 217