Liting Liu / Mbed 2 deprecated el17ll

demo

Dependencies:   mbed Gamepad N5110

Engine/Engine.cpp@1:7b5a843acc05, 2020-05-14 (annotated)

Committer:
Ting12138
Date:
Thu May 14 13:00:19 2020 +0000
Revision:
1:7b5a843acc05
Parent:
0:ba32cfe0051e 
homework

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Ting12138 0:ba32cfe0051e 1 #include "Engine.h"
Ting12138 0:ba32cfe0051e 2
Ting12138 0:ba32cfe0051e 3 Engine::Engine()
Ting12138 0:ba32cfe0051e 4 {
Ting12138 0:ba32cfe0051e 5
Ting12138 0:ba32cfe0051e 6 }
Ting12138 0:ba32cfe0051e 7
Ting12138 0:ba32cfe0051e 8 Engine::~Engine()
Ting12138 0:ba32cfe0051e 9 {
Ting12138 0:ba32cfe0051e 10
Ting12138 0:ba32cfe0051e 11 }
Ting12138 0:ba32cfe0051e 12
Ting12138 0:ba32cfe0051e 13 void Engine::init(int wall_width,int wall_gap,int foods_size,int velocity) {
Ting12138 0:ba32cfe0051e 14
Ting12138 0:ba32cfe0051e 15 // initialise the game parameters
Ting12138 0:ba32cfe0051e 16 _wall_width = wall_width;
Ting12138 0:ba32cfe0051e 17 _wall_gap = wall_gap; // wall gap presents the distance between the top wall and the bottom wall, which is licked to difficulty
Ting12138 0:ba32cfe0051e 18 _foods_size = foods_size; // larger foods means it will have larger area to trigger it "_rocket.add_score();"
Ting12138 0:ba32cfe0051e 19 _velocity = velocity;
Ting12138 0:ba32cfe0051e 20
Ting12138 0:ba32cfe0051e 21 // x position on screen - WIDTH is defined in N5110.h
Ting12138 0:ba32cfe0051e 22 _w0x = WIDTH; // there is total 5 walls in the game, all are placed in distributed positions
Ting12138 0:ba32cfe0051e 23 _w1x = WIDTH + 30;
Ting12138 0:ba32cfe0051e 24 _w2x = WIDTH + 60;
Ting12138 0:ba32cfe0051e 25 _w3x = WIDTH + 90;
Ting12138 0:ba32cfe0051e 26 _w4x = WIDTH + 120;
Ting12138 0:ba32cfe0051e 27 _rocketx = 10;
Ting12138 0:ba32cfe0051e 28 _foodsx = WIDTH + 105;
Ting12138 0:ba32cfe0051e 29
Ting12138 0:ba32cfe0051e 30 _w0.init(_w0x,_wall_gap,_wall_width,_velocity); // initiate all walls with random holes
Ting12138 0:ba32cfe0051e 31 _w1.init(_w1x,_wall_gap,_wall_width,_velocity);
Ting12138 0:ba32cfe0051e 32 _w2.init(_w2x,_wall_gap,_wall_width,_velocity);
Ting12138 0:ba32cfe0051e 33 _w3.init(_w3x,_wall_gap,_wall_width,_velocity);
Ting12138 0:ba32cfe0051e 34 _w4.init(_w4x,_wall_gap,_wall_width,_velocity);
Ting12138 0:ba32cfe0051e 35 _rocket.init(_rocketx); // set the rocket in the middle
Ting12138 0:ba32cfe0051e 36 _foods.init(_foodsx,_foods_size,_velocity); // initiate foods size and a random y position
Ting12138 0:ba32cfe0051e 37 }
Ting12138 0:ba32cfe0051e 38
Ting12138 0:ba32cfe0051e 39 void Engine::read_input(Gamepad &pad) { // get joystick reading
Ting12138 0:ba32cfe0051e 40
Ting12138 0:ba32cfe0051e 41 _d = pad.get_direction();
Ting12138 0:ba32cfe0051e 42 _mag = pad.get_mag();
Ting12138 0:ba32cfe0051e 43 _mapped_coord = pad.get_mapped_coord();
Ting12138 0:ba32cfe0051e 44 }
Ting12138 0:ba32cfe0051e 45
Ting12138 0:ba32cfe0051e 46 void Engine::draw(N5110 &lcd) {
Ting12138 0:ba32cfe0051e 47 // draw the elements in the LCD buffer
Ting12138 0:ba32cfe0051e 48 // pitch
Ting12138 0:ba32cfe0051e 49 lcd.drawRect(0,0,WIDTH,HEIGHT,FILL_TRANSPARENT);
Ting12138 0:ba32cfe0051e 50 // walls
Ting12138 0:ba32cfe0051e 51 _w0.draw1(lcd);
Ting12138 0:ba32cfe0051e 52 _w0.draw2(lcd);
Ting12138 0:ba32cfe0051e 53 _w1.draw1(lcd);
Ting12138 0:ba32cfe0051e 54 _w1.draw2(lcd);
Ting12138 0:ba32cfe0051e 55 _w2.draw1(lcd);
Ting12138 0:ba32cfe0051e 56 _w2.draw2(lcd);
Ting12138 0:ba32cfe0051e 57 _w3.draw1(lcd);
Ting12138 0:ba32cfe0051e 58 _w3.draw2(lcd);
Ting12138 0:ba32cfe0051e 59 _w4.draw1(lcd);
Ting12138 0:ba32cfe0051e 60 _w4.draw2(lcd);
Ting12138 0:ba32cfe0051e 61 // the rocket
Ting12138 0:ba32cfe0051e 62 _rocket.draw(lcd);
Ting12138 0:ba32cfe0051e 63 // foods
Ting12138 0:ba32cfe0051e 64 _foods.draw(lcd);
Ting12138 0:ba32cfe0051e 65 }
Ting12138 0:ba32cfe0051e 66
Ting12138 0:ba32cfe0051e 67
Ting12138 0:ba32cfe0051e 68 void Engine::update(Gamepad &pad) {
Ting12138 0:ba32cfe0051e 69
Ting12138 0:ba32cfe0051e 70 //It's important to check that the walls, rockets, and food are updated before the collision, so that it can be fixed before the new food is updated
Ting12138 0:ba32cfe0051e 71 _w0.update();
Ting12138 0:ba32cfe0051e 72 _w1.update();
Ting12138 0:ba32cfe0051e 73 _w2.update();
Ting12138 0:ba32cfe0051e 74 _w3.update();
Ting12138 0:ba32cfe0051e 75 _w4.update();
Ting12138 0:ba32cfe0051e 76 _rocket.replace(_d,_mag,_mapped_coord);
Ting12138 0:ba32cfe0051e 77 _foods.update();
Ting12138 0:ba32cfe0051e 78 check_wall_collision(pad);
Ting12138 0:ba32cfe0051e 79 check_score(pad);
Ting12138 0:ba32cfe0051e 80 }
Ting12138 0:ba32cfe0051e 81
Ting12138 0:ba32cfe0051e 82 void Engine::check_wall_collision(Gamepad &pad) {
Ting12138 0:ba32cfe0051e 83
Ting12138 0:ba32cfe0051e 84 // read the position of rocket
Ting12138 0:ba32cfe0051e 85 Vector2D rocket_pos = _rocket.get_pos();
Ting12138 0:ba32cfe0051e 86
Ting12138 0:ba32cfe0051e 87 //read all of these positions of the wall
Ting12138 0:ba32cfe0051e 88 int w0_x = _w0.get_x();
Ting12138 0:ba32cfe0051e 89 int w1_x = _w1.get_x();
Ting12138 0:ba32cfe0051e 90 int w2_x = _w2.get_x();
Ting12138 0:ba32cfe0051e 91 int w3_x = _w3.get_x();
Ting12138 0:ba32cfe0051e 92 int w4_x = _w4.get_x();
Ting12138 0:ba32cfe0051e 93
Ting12138 0:ba32cfe0051e 94 if (w0_x <= 1) { // When the rocket passes behind the wall, it will reset to its original position to continue the game
Ting12138 0:ba32cfe0051e 95 _w0.reset();
Ting12138 0:ba32cfe0051e 96 }
Ting12138 0:ba32cfe0051e 97 if (w1_x <= 1) {
Ting12138 0:ba32cfe0051e 98 _w1.reset();
Ting12138 0:ba32cfe0051e 99 }
Ting12138 0:ba32cfe0051e 100 if (w2_x <= 1) {
Ting12138 0:ba32cfe0051e 101 _w2.reset();
Ting12138 0:ba32cfe0051e 102 }
Ting12138 0:ba32cfe0051e 103 if (w3_x <= 1) {
Ting12138 0:ba32cfe0051e 104 _w3.reset();
Ting12138 0:ba32cfe0051e 105 }
Ting12138 0:ba32cfe0051e 106 if (w4_x <= 1) {
Ting12138 0:ba32cfe0051e 107 _w4.reset();
Ting12138 0:ba32cfe0051e 108 }
Ting12138 0:ba32cfe0051e 109
Ting12138 0:ba32cfe0051e 110 int w0_height = _w0.get_height(); // get the specific, random height for each of the walls
Ting12138 0:ba32cfe0051e 111 int w1_height = _w1.get_height();
Ting12138 0:ba32cfe0051e 112 int w2_height = _w2.get_height();
Ting12138 0:ba32cfe0051e 113 int w3_height = _w3.get_height();
Ting12138 0:ba32cfe0051e 114 int w4_height = _w4.get_height();
Ting12138 0:ba32cfe0051e 115
Ting12138 0:ba32cfe0051e 116 if ((
Ting12138 0:ba32cfe0051e 117 (rocket_pos.y + 5 >= 0) && (rocket_pos.y + 1 <= w0_height) && // check all the top wall corner collision and the bottom for all the walls
Ting12138 0:ba32cfe0051e 118 (rocket_pos.x + 10 >= _w0.get_x()) && (rocket_pos.x + 10 <= _w0.get_x() + 1) // left and right collisions
Ting12138 0:ba32cfe0051e 119 ) || (
Ting12138 0:ba32cfe0051e 120 (rocket_pos.y + 5 >= 0) && (rocket_pos.y + 1 <= w1_height) &&
Ting12138 0:ba32cfe0051e 121 (rocket_pos.x + 10 >= _w1.get_x()) && (rocket_pos.x + 10 <= _w1.get_x() + 1)
Ting12138 0:ba32cfe0051e 122 ) || (
Ting12138 0:ba32cfe0051e 123 (rocket_pos.y + 5 >= 0) && (rocket_pos.x + 1 <= w2_height) &&
Ting12138 0:ba32cfe0051e 124 (rocket_pos.x + 10 >= _w2.get_x()) && (rocket_pos.x + 10 <= _w2.get_x() + 1)
Ting12138 0:ba32cfe0051e 125 ) || (
Ting12138 0:ba32cfe0051e 126 (rocket_pos.y + 5 >= 0) && (rocket_pos.y + 1 <= w3_height) &&
Ting12138 0:ba32cfe0051e 127 (rocket_pos.x + 10 >= _w3.get_x()) && (rocket_pos.x + 10 <= _w3.get_x() + 1)
Ting12138 0:ba32cfe0051e 128 ) || (
Ting12138 0:ba32cfe0051e 129 (rocket_pos.y + 5 >= 0) && (rocket_pos.y + 1 <= w4_height) &&
Ting12138 0:ba32cfe0051e 130 (rocket_pos.x + 10 >= _w4.get_x()) && (rocket_pos.x + 10 <= _w4.get_x() + 1)
Ting12138 0:ba32cfe0051e 131 )
Ting12138 0:ba32cfe0051e 132 ) {
Ting12138 0:ba32cfe0051e 133 _rocket.lose_score(); // if collision does happen, foods are lost because of the unnecessary time of interference
Ting12138 0:ba32cfe0051e 134
Ting12138 0:ba32cfe0051e 135 pad.tone(130.0,0.1); // sad sound playing
Ting12138 0:ba32cfe0051e 136 wait(0.1);
Ting12138 0:ba32cfe0051e 137 pad.tone(230.0,0.1);
Ting12138 0:ba32cfe0051e 138 wait(0.1);
Ting12138 0:ba32cfe0051e 139 pad.tone(330.0,0.1);
Ting12138 0:ba32cfe0051e 140 wait(0.1);
Ting12138 0:ba32cfe0051e 141 pad.tone(430.0,0.1);
Ting12138 0:ba32cfe0051e 142 wait(0.1);
Ting12138 0:ba32cfe0051e 143 pad.tone(530.0,0.1);
Ting12138 0:ba32cfe0051e 144 wait(0.1);
Ting12138 0:ba32cfe0051e 145 }
Ting12138 0:ba32cfe0051e 146
Ting12138 0:ba32cfe0051e 147 if ((
Ting12138 0:ba32cfe0051e 148 (rocket_pos.y + 5 >= _wall_gap + w0_height) && (rocket_pos.y + 1 <= HEIGHT) && // check collisions for the bottom wall
Ting12138 0:ba32cfe0051e 149 (rocket_pos.x + 10 >= _w0.get_x()) && (rocket_pos.x + 10 <= _w0.get_x() + 1) // left and right side
Ting12138 0:ba32cfe0051e 150 ) || (
Ting12138 0:ba32cfe0051e 151 (rocket_pos.y + 5 >= _wall_gap + w1_height) && (rocket_pos.y + 1 <= HEIGHT) &&
Ting12138 0:ba32cfe0051e 152 (rocket_pos.x + 10 >= _w1.get_x()) && (rocket_pos.x + 10 <= _w1.get_x() + 1)
Ting12138 0:ba32cfe0051e 153 ) || (
Ting12138 0:ba32cfe0051e 154 (rocket_pos.y + 5 >= _wall_gap + w2_height) && (rocket_pos.y + 1 <= HEIGHT) &&
Ting12138 0:ba32cfe0051e 155 (rocket_pos.x + 10 >= _w2.get_x()) && (rocket_pos.x + 10 <= _w2.get_x() + 1)
Ting12138 0:ba32cfe0051e 156 ) || (
Ting12138 0:ba32cfe0051e 157 (rocket_pos.y + 5 >= _wall_gap + w3_height) && (rocket_pos.y + 1 <= HEIGHT) &&
Ting12138 0:ba32cfe0051e 158 (rocket_pos.x + 10 >= _w3.get_x()) && (rocket_pos.x + 10 <= _w3.get_x() + 1)
Ting12138 0:ba32cfe0051e 159 ) || (
Ting12138 0:ba32cfe0051e 160 (rocket_pos.y + 5 >= _wall_gap + w4_height) && (rocket_pos.y + 1 <= HEIGHT) &&
Ting12138 0:ba32cfe0051e 161 (rocket_pos.x + 10 >= _w4.get_x()) && (rocket_pos.x + 10 <= _w4.get_x() + 1)
Ting12138 0:ba32cfe0051e 162 )
Ting12138 0:ba32cfe0051e 163 ) {
Ting12138 0:ba32cfe0051e 164 _rocket.lose_score(); // score lost
Ting12138 0:ba32cfe0051e 165
Ting12138 0:ba32cfe0051e 166 pad.tone(100.0,0.1); // sad sound
Ting12138 0:ba32cfe0051e 167 wait(0.1);
Ting12138 0:ba32cfe0051e 168 pad.tone(200.0,0.1);
Ting12138 0:ba32cfe0051e 169 wait(0.1);
Ting12138 0:ba32cfe0051e 170 pad.tone(300.0,0.1);
Ting12138 0:ba32cfe0051e 171 wait(0.1);
Ting12138 0:ba32cfe0051e 172 pad.tone(400.0,0.1);
Ting12138 0:ba32cfe0051e 173 wait(0.1);
Ting12138 0:ba32cfe0051e 174 pad.tone(500.0,0.1);
Ting12138 0:ba32cfe0051e 175 wait(0.1);
Ting12138 0:ba32cfe0051e 176 }
Ting12138 0:ba32cfe0051e 177 }
Ting12138 0:ba32cfe0051e 178
Ting12138 0:ba32cfe0051e 179 void Engine::check_score(Gamepad &pad) { //check the score to trigger how many leds should be turned on
Ting12138 0:ba32cfe0051e 180
Ting12138 0:ba32cfe0051e 181 int rocket_score = _rocket.get_final_score(); // get score
Ting12138 0:ba32cfe0051e 182
Ting12138 0:ba32cfe0051e 183 if (rocket_score == 0) { // 7 if statements represents 7 conditions
Ting12138 0:ba32cfe0051e 184 pad.leds_off();
Ting12138 0:ba32cfe0051e 185 }
Ting12138 0:ba32cfe0051e 186 if (rocket_score == 1) { // getting one food turns on 1 led
Ting12138 0:ba32cfe0051e 187 pad.led(1,1.0f);
Ting12138 0:ba32cfe0051e 188 pad.led(2,0.0f);
Ting12138 0:ba32cfe0051e 189 pad.led(2,0.0f);
Ting12138 0:ba32cfe0051e 190 pad.led(2,0.0f);
Ting12138 0:ba32cfe0051e 191 pad.led(2,0.0f);
Ting12138 0:ba32cfe0051e 192 pad.led(2,0.0f);
Ting12138 0:ba32cfe0051e 193 }
Ting12138 0:ba32cfe0051e 194 if (rocket_score == 2) { // two foodds, two led
Ting12138 0:ba32cfe0051e 195 pad.led(1,1.0f);
Ting12138 0:ba32cfe0051e 196 pad.led(2,0.0f);
Ting12138 0:ba32cfe0051e 197 pad.led(3,0.0f);
Ting12138 0:ba32cfe0051e 198 pad.led(4,0.0f);
Ting12138 0:ba32cfe0051e 199 pad.led(5,0.0f);
Ting12138 0:ba32cfe0051e 200 pad.led(6,1.0f);
Ting12138 0:ba32cfe0051e 201 }
Ting12138 0:ba32cfe0051e 202 if (rocket_score == 3) {
Ting12138 0:ba32cfe0051e 203 pad.led(1,1.0f);
Ting12138 0:ba32cfe0051e 204 pad.led(2,1.0f);
Ting12138 0:ba32cfe0051e 205 pad.led(3,0.0f);
Ting12138 0:ba32cfe0051e 206 pad.led(4,0.0f);
Ting12138 0:ba32cfe0051e 207 pad.led(5,0.0f);
Ting12138 0:ba32cfe0051e 208 pad.led(6,1.0f);
Ting12138 0:ba32cfe0051e 209 }
Ting12138 0:ba32cfe0051e 210 if (rocket_score == 4) {
Ting12138 0:ba32cfe0051e 211 pad.led(1,1.0f);
Ting12138 0:ba32cfe0051e 212 pad.led(2,1.0f);
Ting12138 0:ba32cfe0051e 213 pad.led(3,0.0f);
Ting12138 0:ba32cfe0051e 214 pad.led(4,0.0f);
Ting12138 0:ba32cfe0051e 215 pad.led(5,1.0f);
Ting12138 0:ba32cfe0051e 216 pad.led(6,1.0f);
Ting12138 0:ba32cfe0051e 217 }
Ting12138 0:ba32cfe0051e 218 if (rocket_score == 5) {
Ting12138 0:ba32cfe0051e 219 pad.led(1,1.0f);
Ting12138 0:ba32cfe0051e 220 pad.led(2,1.0f);
Ting12138 0:ba32cfe0051e 221 pad.led(3,1.0f);
Ting12138 0:ba32cfe0051e 222 pad.led(4,0.0f);
Ting12138 0:ba32cfe0051e 223 pad.led(5,1.0f);
Ting12138 0:ba32cfe0051e 224 pad.led(6,1.0f);
Ting12138 0:ba32cfe0051e 225 }
Ting12138 0:ba32cfe0051e 226 if (rocket_score == 6) {
Ting12138 0:ba32cfe0051e 227 pad.led(1,1.0f);
Ting12138 0:ba32cfe0051e 228 pad.led(2,1.0f);
Ting12138 0:ba32cfe0051e 229 pad.led(3,1.0f);
Ting12138 0:ba32cfe0051e 230 pad.led(4,1.0f);
Ting12138 0:ba32cfe0051e 231 pad.led(5,1.0f);
Ting12138 0:ba32cfe0051e 232 pad.led(6,1.0f);
Ting12138 0:ba32cfe0051e 233 }
Ting12138 0:ba32cfe0051e 234
Ting12138 0:ba32cfe0051e 235 Vector2D rocket_pos = _rocket.get_pos(); // This section also checks the contact between the rocket and the food, where the current position of the rocket and the food is obtained
Ting12138 0:ba32cfe0051e 236
Ting12138 0:ba32cfe0051e 237 Vector2D foods_pos = _foods.get_pos();
Ting12138 0:ba32cfe0051e 238
Ting12138 0:ba32cfe0051e 239 if (foods_pos.x <= 1) { // if the food leaves the left side of the screen, replace it to the right side for the next foods retrieval
Ting12138 0:ba32cfe0051e 240 _foods.replace();
Ting12138 0:ba32cfe0051e 241 }
Ting12138 0:ba32cfe0051e 242
Ting12138 0:ba32cfe0051e 243 if (
Ting12138 0:ba32cfe0051e 244 (rocket_pos.y + 4 >= foods_pos.y - _foods_size) && (rocket_pos.y + 2 <= foods_pos.y + _foods_size) // check if rrocket and the foods are overlap
Ting12138 0:ba32cfe0051e 245 && //bottom
Ting12138 0:ba32cfe0051e 246 (rocket_pos.x + 10 >= foods_pos.x) && (rocket_pos.x + 10 <= foods_pos.x + 1) //right
Ting12138 0:ba32cfe0051e 247 ) {
Ting12138 0:ba32cfe0051e 248 // if it has, fix position and reflect x velocity
Ting12138 0:ba32cfe0051e 249 _rocket.add_score();
Ting12138 0:ba32cfe0051e 250 pad.tone(550.0,0.25);
Ting12138 0:ba32cfe0051e 251 wait(0.25);
Ting12138 0:ba32cfe0051e 252 pad.tone(1500.0,0.25);
Ting12138 0:ba32cfe0051e 253 wait(0.25);
Ting12138 0:ba32cfe0051e 254 }
Ting12138 0:ba32cfe0051e 255 }
Ting12138 0:ba32cfe0051e 256
Ting12138 0:ba32cfe0051e 257 int Engine::get_final_score() { // get score for the main function to determine the ending
Ting12138 0:ba32cfe0051e 258 return _rocket.get_final_score();
Ting12138 0:ba32cfe0051e 259 }