ELEC2645 (2019/20) / Mbed 2 deprecated ELEC2645_Project_el18ac

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Dependencies:   mbed

Game/Game.cpp@6:a2c72def99f9, 2020-05-26 (annotated)

Committer:
ale_carb0ni
Date:
Tue May 26 18:14:03 2020 +0000
Revision:
6:a2c72def99f9
Parent:
4:17d5b53b8815
Child:
7:8d381315f72c
commented version;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ale_carb0ni 2:7fa08670b1fc 1 #include "Game.h"
ale_carb0ni 2:7fa08670b1fc 2 #include "mbed.h"
ale_carb0ni 2:7fa08670b1fc 3 #include "Gamepad.h"
ale_carb0ni 2:7fa08670b1fc 4 #include "N5110.h"
ale_carb0ni 2:7fa08670b1fc 5 #include "Menu.h"
ale_carb0ni 2:7fa08670b1fc 6
ale_carb0ni 6:a2c72def99f9 7 /**Constructor*/
ale_carb0ni 2:7fa08670b1fc 8 Game::Game()
ale_carb0ni 2:7fa08670b1fc 9 {
ale_carb0ni 2:7fa08670b1fc 10 x = 4;
ale_carb0ni 2:7fa08670b1fc 11 y = 4;
ale_carb0ni 6:a2c72def99f9 12 for (int i = 0; i < 16; i++) { //this creates the possible x coordinates the fruit can have
ale_carb0ni 6:a2c72def99f9 13 fruitX[i] = 3 + i*5; //in order to be always alligned with the snake and stay inside the field
ale_carb0ni 2:7fa08670b1fc 14 }
ale_carb0ni 6:a2c72def99f9 15 for (int i = 0; i < 9; i++) { //this creates the possible y coordinates the fruit can have
ale_carb0ni 6:a2c72def99f9 16 fruitY[i] = 3 + i*5; //in order to be always alligned with the snake and stay inside the field
ale_carb0ni 2:7fa08670b1fc 17 }
ale_carb0ni 6:a2c72def99f9 18 score = 0; //initial score is 0
ale_carb0ni 2:7fa08670b1fc 19 a = 0; //used to select the direction based ont what button is pressed
ale_carb0ni 2:7fa08670b1fc 20 ntail = 0; //used to increase lenght of the tail
ale_carb0ni 2:7fa08670b1fc 21 k = 0;
ale_carb0ni 6:a2c72def99f9 22 rx = rand() % 16; //choses a random number between 1 and 16, assigning it to the corresponding value in the for loop (x axis)
ale_carb0ni 6:a2c72def99f9 23 ry = rand() % 9; //same as the previous line but between 1 and 9 for the y axis
ale_carb0ni 6:a2c72def99f9 24 fruitX1 = fruitX[rx]+1; //this line and the following calculate the center
ale_carb0ni 6:a2c72def99f9 25 fruitY1 = fruitY[ry]+1; // point of the fruit needed to register the overlap with the head
ale_carb0ni 6:a2c72def99f9 26 x_pos.push_back(4); //adds initial x coordinate to the movement vector
ale_carb0ni 6:a2c72def99f9 27 y_pos.push_back(4); //adds initial y coordinate to the movement vector
ale_carb0ni 2:7fa08670b1fc 28 }
ale_carb0ni 2:7fa08670b1fc 29
ale_carb0ni 2:7fa08670b1fc 30 void Game::movement(Gamepad &pad)
ale_carb0ni 2:7fa08670b1fc 31 {
ale_carb0ni 6:a2c72def99f9 32 if (pad.Y_held() && !(a == 2)) { //registers what button is being pressed,
ale_carb0ni 6:a2c72def99f9 33 a = 1; //associating it to an integer value
ale_carb0ni 6:a2c72def99f9 34 } //between 1 and 4
ale_carb0ni 6:a2c72def99f9 35 if (pad.A_held() && !(a == 1)) { //the second condition in each loop
ale_carb0ni 6:a2c72def99f9 36 a = 2; //is needed to prevent the snake from
ale_carb0ni 6:a2c72def99f9 37 } //going backwards on itself
ale_carb0ni 2:7fa08670b1fc 38 if (pad.X_held() && !(a == 4)) {
ale_carb0ni 2:7fa08670b1fc 39 a = 3;
ale_carb0ni 2:7fa08670b1fc 40 }
ale_carb0ni 2:7fa08670b1fc 41 if (pad.B_held() && !(a == 3)) {
ale_carb0ni 2:7fa08670b1fc 42 a = 4;
ale_carb0ni 2:7fa08670b1fc 43 }
ale_carb0ni 4:17d5b53b8815 44 }
ale_carb0ni 4:17d5b53b8815 45
ale_carb0ni 4:17d5b53b8815 46 void Game::updating_position()
ale_carb0ni 4:17d5b53b8815 47 {
ale_carb0ni 6:a2c72def99f9 48 if (a == 1) { //reads the integer value stored in the prevoius function
ale_carb0ni 6:a2c72def99f9 49 x += -5; //and depending on its value decides which way the snake moves
ale_carb0ni 2:7fa08670b1fc 50 }
ale_carb0ni 2:7fa08670b1fc 51 if (a == 2) {
ale_carb0ni 2:7fa08670b1fc 52 x += 5;
ale_carb0ni 2:7fa08670b1fc 53 }
ale_carb0ni 2:7fa08670b1fc 54 if (a == 3) {
ale_carb0ni 2:7fa08670b1fc 55 y += -5;
ale_carb0ni 2:7fa08670b1fc 56 }
ale_carb0ni 2:7fa08670b1fc 57 if (a == 4) {
ale_carb0ni 2:7fa08670b1fc 58 y += 5;
ale_carb0ni 2:7fa08670b1fc 59 }
ale_carb0ni 2:7fa08670b1fc 60
ale_carb0ni 2:7fa08670b1fc 61 int prevX = x_pos[0];
ale_carb0ni 2:7fa08670b1fc 62 int prevY = y_pos[0];
ale_carb0ni 2:7fa08670b1fc 63
ale_carb0ni 2:7fa08670b1fc 64 x_pos[0] = x;
ale_carb0ni 2:7fa08670b1fc 65 y_pos[0] = y;
ale_carb0ni 2:7fa08670b1fc 66
ale_carb0ni 6:a2c72def99f9 67 if (!(ntail + 1 == x_pos.size())) { //adds each new segment's coordinates to the
ale_carb0ni 6:a2c72def99f9 68 x_pos.push_back(x_pos[ntail - 1]); //movement vector in order to give eache
ale_carb0ni 6:a2c72def99f9 69 y_pos.push_back(y_pos[ntail - 1]); //section the same movement
ale_carb0ni 2:7fa08670b1fc 70 }
ale_carb0ni 2:7fa08670b1fc 71
ale_carb0ni 2:7fa08670b1fc 72 if (x_pos.size() > 0) {
ale_carb0ni 6:a2c72def99f9 73 for (int i = 0; i < x_pos.size() - 1; i++) { //regulates the movement of the snake
ale_carb0ni 6:a2c72def99f9 74 x_pos[x_pos.size() - i - 1] = x_pos[x_pos.size() - i - 2]; //having each section move to the previous
ale_carb0ni 6:a2c72def99f9 75 y_pos[y_pos.size() - i - 1] = y_pos[y_pos.size() - i - 2]; //coordinates of the segment in front of it
ale_carb0ni 2:7fa08670b1fc 76 }
ale_carb0ni 2:7fa08670b1fc 77 x_pos[1] = prevX;
ale_carb0ni 2:7fa08670b1fc 78 y_pos[1] = prevY;
ale_carb0ni 2:7fa08670b1fc 79 }
ale_carb0ni 2:7fa08670b1fc 80 }
ale_carb0ni 2:7fa08670b1fc 81
ale_carb0ni 3:c61d0c70eda4 82 int Game::death(N5110 &lcd,Gamepad &pad)
ale_carb0ni 2:7fa08670b1fc 83 {
ale_carb0ni 2:7fa08670b1fc 84 if (x < 1 || x > WIDTH-2) { //if you hit the side walls you die
ale_carb0ni 2:7fa08670b1fc 85 while (1) {
ale_carb0ni 2:7fa08670b1fc 86 gameover(lcd, pad);
ale_carb0ni 6:a2c72def99f9 87 if (pad.B_held()) { //if you press start you will go back to the menu
ale_carb0ni 6:a2c72def99f9 88 return 1;
ale_carb0ni 2:7fa08670b1fc 89 }
ale_carb0ni 6:a2c72def99f9 90 if (pad.start_held()) { //if you press B, you will initiate a new game
ale_carb0ni 6:a2c72def99f9 91 return 2;
ale_carb0ni 2:7fa08670b1fc 92 }
ale_carb0ni 2:7fa08670b1fc 93 }
ale_carb0ni 2:7fa08670b1fc 94 }
ale_carb0ni 2:7fa08670b1fc 95
ale_carb0ni 2:7fa08670b1fc 96 if (y < 1 || y > HEIGHT) { //if you hit the top or bottom walls you die
ale_carb0ni 2:7fa08670b1fc 97 while (1) {
ale_carb0ni 2:7fa08670b1fc 98 gameover(lcd, pad);
ale_carb0ni 2:7fa08670b1fc 99 if (pad.B_held()) {
ale_carb0ni 6:a2c72def99f9 100 return 1;
ale_carb0ni 2:7fa08670b1fc 101 }
ale_carb0ni 2:7fa08670b1fc 102 if (pad.start_held()) {
ale_carb0ni 6:a2c72def99f9 103 return 2;
ale_carb0ni 2:7fa08670b1fc 104 }
ale_carb0ni 2:7fa08670b1fc 105 }
ale_carb0ni 2:7fa08670b1fc 106 }
ale_carb0ni 6:a2c72def99f9 107 for (int i = 1; i < x_pos.size(); i++) { //if you hit any part of your tail you die
ale_carb0ni 2:7fa08670b1fc 108 if (x_pos[0] == x_pos[i] && y_pos[0] == y_pos[i]) {
ale_carb0ni 2:7fa08670b1fc 109 while (1) {
ale_carb0ni 2:7fa08670b1fc 110 gameover(lcd, pad);
ale_carb0ni 2:7fa08670b1fc 111 if (pad.B_held()) {
ale_carb0ni 6:a2c72def99f9 112 return 1;
ale_carb0ni 2:7fa08670b1fc 113 }
ale_carb0ni 2:7fa08670b1fc 114 if (pad.start_held()) {
ale_carb0ni 6:a2c72def99f9 115 return 2;
ale_carb0ni 2:7fa08670b1fc 116 }
ale_carb0ni 2:7fa08670b1fc 117 }
ale_carb0ni 2:7fa08670b1fc 118 }
ale_carb0ni 2:7fa08670b1fc 119 }
ale_carb0ni 3:c61d0c70eda4 120 return 0;
ale_carb0ni 2:7fa08670b1fc 121 }
ale_carb0ni 2:7fa08670b1fc 122
ale_carb0ni 2:7fa08670b1fc 123 void Game::draw(N5110 &lcd,Gamepad &pad)
ale_carb0ni 2:7fa08670b1fc 124 {
ale_carb0ni 2:7fa08670b1fc 125 lcd.clear();
ale_carb0ni 2:7fa08670b1fc 126 lcd.drawRect(1,1,WIDTH-2,HEIGHT-1,FILL_TRANSPARENT); //rectangle around border of field
ale_carb0ni 2:7fa08670b1fc 127 lcd.drawRect(fruitX[rx],fruitY[ry],3,3,FILL_BLACK); //fruit on the field
ale_carb0ni 2:7fa08670b1fc 128 lcd.drawCircle(x,y,2,FILL_TRANSPARENT); //initial snake design
ale_carb0ni 2:7fa08670b1fc 129 //printf("size of vector %d\n", x_pos.size());
ale_carb0ni 2:7fa08670b1fc 130 for (k = 1; k <= ntail; k++) {
ale_carb0ni 6:a2c72def99f9 131 lcd.drawCircle(x_pos[k],y_pos[k],2,FILL_TRANSPARENT); //draws each new segment of the snake
ale_carb0ni 2:7fa08670b1fc 132 //printf("draw \n");
ale_carb0ni 2:7fa08670b1fc 133 }
ale_carb0ni 6:a2c72def99f9 134 lcd.refresh();
ale_carb0ni 2:7fa08670b1fc 135 //printf("Fruit x coordinate: %d\n", fruitX1);
ale_carb0ni 2:7fa08670b1fc 136 //printf("Fruit y coordinate: %d\n", fruitY1);
ale_carb0ni 2:7fa08670b1fc 137 //printf("Snake x: %d\n", x);
ale_carb0ni 2:7fa08670b1fc 138 //printf("Snake y: %d\n", y);
ale_carb0ni 2:7fa08670b1fc 139 //printf("seg1 x: %d\n", x_pos[1]);
ale_carb0ni 2:7fa08670b1fc 140 //printf("seg1 y: %d\n", y_pos[1]);
ale_carb0ni 2:7fa08670b1fc 141 }
ale_carb0ni 2:7fa08670b1fc 142
ale_carb0ni 2:7fa08670b1fc 143 void Game::gameover(N5110 &lcd,Gamepad &pad)
ale_carb0ni 2:7fa08670b1fc 144 {
ale_carb0ni 2:7fa08670b1fc 145 lcd.clear();
ale_carb0ni 6:a2c72def99f9 146 lcd.printString("GAME OVER",WIDTH/2-25,0); //display of the gameover screen
ale_carb0ni 2:7fa08670b1fc 147 sprintf (buffer, "Score: %d",score);
ale_carb0ni 6:a2c72def99f9 148 lcd.printString(buffer,WIDTH/2-26,2); //displays your score
ale_carb0ni 6:a2c72def99f9 149 lcd.printString("PLAY AGAIN: B",0,4); //if you want to play again press B
ale_carb0ni 6:a2c72def99f9 150 lcd.printString("MENU: START",17,5); //if you want to access the main menu press start
ale_carb0ni 2:7fa08670b1fc 151 pad.leds_on();
ale_carb0ni 2:7fa08670b1fc 152 wait(0.1);
ale_carb0ni 2:7fa08670b1fc 153 pad.leds_off();
ale_carb0ni 2:7fa08670b1fc 154 wait(0.1);
ale_carb0ni 2:7fa08670b1fc 155 pad.tone(500.0,1);
ale_carb0ni 2:7fa08670b1fc 156 lcd.refresh();
ale_carb0ni 2:7fa08670b1fc 157 wait(1/6);
ale_carb0ni 2:7fa08670b1fc 158 }
ale_carb0ni 2:7fa08670b1fc 159
ale_carb0ni 2:7fa08670b1fc 160 void Game::point(N5110 &lcd,Gamepad &pad)
ale_carb0ni 2:7fa08670b1fc 161 {
ale_carb0ni 2:7fa08670b1fc 162 if (x == fruitX1 && y == fruitY1) { //if central coordinate of the snake head is equal to the central coordinate of the food:
ale_carb0ni 2:7fa08670b1fc 163 //printf("Snake x: %d\n", x);
ale_carb0ni 2:7fa08670b1fc 164 //printf("Snake y: %d\n", y);
ale_carb0ni 2:7fa08670b1fc 165 //printf("seg1 x: %d\n", x_pos[1]);
ale_carb0ni 2:7fa08670b1fc 166 //printf("seg1 y: %d\n", y_pos[1]);
ale_carb0ni 2:7fa08670b1fc 167 //printf("Fruit x coordinate: %d\n", fruitX1);
ale_carb0ni 2:7fa08670b1fc 168 //printf("Fruit y coordinate: %d\n", fruitY1);
ale_carb0ni 6:a2c72def99f9 169 score = score + 10; //adds 10 to the score each time you eat a fruit
ale_carb0ni 2:7fa08670b1fc 170 pad.tone(750.0,1);
ale_carb0ni 6:a2c72def99f9 171 rx = rand() % 16; //generates a new random x coordinate for the food
ale_carb0ni 6:a2c72def99f9 172 ry = rand() % 9; //generates a new random x coordinate for the food
ale_carb0ni 2:7fa08670b1fc 173 //printf("rx: %d\n", rx);
ale_carb0ni 2:7fa08670b1fc 174 //printf("ry: %d\n", ry);
ale_carb0ni 2:7fa08670b1fc 175 fruitX1 = fruitX[rx]+1;
ale_carb0ni 2:7fa08670b1fc 176 fruitY1 = fruitY[ry]+1;
ale_carb0ni 2:7fa08670b1fc 177 for (int i = 0; i < x_pos.size(); i++) {
ale_carb0ni 6:a2c72def99f9 178 if (fruitX1 == x_pos[i] && fruitY1 == y_pos[i]) { //if the random set of coordinates
ale_carb0ni 6:a2c72def99f9 179 rx = rand() % 16; //corresponds to the position of one of the segments of the snake
ale_carb0ni 6:a2c72def99f9 180 ry = rand() % 9; //it finds a new set of coordinates
ale_carb0ni 2:7fa08670b1fc 181 fruitX1 = fruitX[rx]+1;
ale_carb0ni 2:7fa08670b1fc 182 fruitY1 = fruitY[ry]+1;
ale_carb0ni 2:7fa08670b1fc 183 }
ale_carb0ni 2:7fa08670b1fc 184 }
ale_carb0ni 6:a2c72def99f9 185 ntail++; //increases the lenght of the tail
ale_carb0ni 6:a2c72def99f9 186 lcd.drawRect(fruitX[rx],fruitY[ry],3,3,FILL_BLACK); //draws the new fruit
ale_carb0ni 2:7fa08670b1fc 187 }
ale_carb0ni 2:7fa08670b1fc 188 }