XJEL2645 (19/20) / Mbed 2 deprecated el17rl

Li Ruofan 201199450

Dependencies:   mbed

Snake/Snake.cpp@1:bd7c99a5bd10, 2020-05-24 (annotated)

Committer:
DannyLee
Date:
Sun May 24 08:16:35 2020 +0000
Revision:
1:bd7c99a5bd10
Parent:
0:80a59a49d504 
Li Ruofan 201199450

Who changed what in which revision?

UserRevisionLine numberNew contents of line
DannyLee 0:80a59a49d504 1 #include "Snake.h"
DannyLee 0:80a59a49d504 2
DannyLee 0:80a59a49d504 3 Snake::Snake(){}
DannyLee 0:80a59a49d504 4 Snake::~Snake(){}
DannyLee 0:80a59a49d504 5
DannyLee 0:80a59a49d504 6 pos apple;
DannyLee 0:80a59a49d504 7 Body greedy;
DannyLee 0:80a59a49d504 8
DannyLee 0:80a59a49d504 9 void Snake::drawApple(N5110 &lcd){
DannyLee 0:80a59a49d504 10
DannyLee 0:80a59a49d504 11 lcd.setPixel(apple.x,apple.y);
DannyLee 0:80a59a49d504 12
DannyLee 0:80a59a49d504 13 }//end drawing
DannyLee 0:80a59a49d504 14 void Snake::initApple(){
DannyLee 0:80a59a49d504 15 srand(time(NULL));
DannyLee 0:80a59a49d504 16 apple.x = (rand()%49)+6 ;
DannyLee 0:80a59a49d504 17 apple.y = (rand()%25)+9;
DannyLee 0:80a59a49d504 18 }// end initializing
DannyLee 0:80a59a49d504 19
DannyLee 0:80a59a49d504 20 void Snake::produceApple(){
DannyLee 0:80a59a49d504 21
DannyLee 0:80a59a49d504 22 srand(time(NULL));
DannyLee 0:80a59a49d504 23 apple.x=(rand()%49)+6;
DannyLee 0:80a59a49d504 24 apple.y=(rand()%25)+9; //set apple's position
DannyLee 0:80a59a49d504 25
DannyLee 0:80a59a49d504 26 }
DannyLee 0:80a59a49d504 27
DannyLee 0:80a59a49d504 28 pos Snake::getPos(){
DannyLee 1:bd7c99a5bd10 29 return apple;
DannyLee 0:80a59a49d504 30 } //end producing
DannyLee 0:80a59a49d504 31
DannyLee 1:bd7c99a5bd10 32 void Snake::gameover(N5110 &lcd){
DannyLee 0:80a59a49d504 33
DannyLee 1:bd7c99a5bd10 34 Life--;
DannyLee 0:80a59a49d504 35 for (;Life==0;){
DannyLee 0:80a59a49d504 36
DannyLee 0:80a59a49d504 37 lcd.clear();
DannyLee 1:bd7c99a5bd10 38 lcd.printString(" You dead ",0,1);
DannyLee 1:bd7c99a5bd10 39 lcd.printString(" Score: ",0,3);
DannyLee 0:80a59a49d504 40
DannyLee 0:80a59a49d504 41 char buffer[2];
DannyLee 0:80a59a49d504 42 sprintf(buffer,"%2d",L-6);
DannyLee 1:bd7c99a5bd10 43 lcd.printString(buffer,60,3);
DannyLee 0:80a59a49d504 44
DannyLee 1:bd7c99a5bd10 45 lcd.printString(" Reset the pad",0,4);
DannyLee 1:bd7c99a5bd10 46 lcd.printString(" to restart ",0,5);
DannyLee 0:80a59a49d504 47 lcd.refresh();
DannyLee 1:bd7c99a5bd10 48 }
DannyLee 1:bd7c99a5bd10 49 init(beginX,beginY,beginL,Life);
DannyLee 1:bd7c99a5bd10 50
DannyLee 1:bd7c99a5bd10 51 } //Reset the pad to restart the game.
DannyLee 0:80a59a49d504 52
DannyLee 1:bd7c99a5bd10 53
DannyLee 0:80a59a49d504 54 void Snake::WallMeet(N5110 &lcd){
DannyLee 0:80a59a49d504 55
DannyLee 0:80a59a49d504 56 if (greedy.bodyX[L]==84 || greedy.bodyX[L]==0 //snake is also called greedy in this game
DannyLee 0:80a59a49d504 57 || greedy.bodyY[L]==0 || greedy.bodyY[L]==48 ) //if greedy touch the wall
DannyLee 0:80a59a49d504 58 {
DannyLee 1:bd7c99a5bd10 59 gameover(lcd);
DannyLee 0:80a59a49d504 60 }
DannyLee 0:80a59a49d504 61
DannyLee 0:80a59a49d504 62 }//end WallMeet
DannyLee 0:80a59a49d504 63
DannyLee 0:80a59a49d504 64 void Snake::checkBodyMeet(N5110 &lcd){
DannyLee 0:80a59a49d504 65 int i = 0;
DannyLee 0:80a59a49d504 66 while (i < L - 1){
DannyLee 0:80a59a49d504 67 if (greedy.bodyY[L-1]==greedy.bodyY[i] && greedy.bodyX[L-1]==greedy.bodyX[i] )
DannyLee 0:80a59a49d504 68 {
DannyLee 1:bd7c99a5bd10 69 gameover(lcd);
DannyLee 0:80a59a49d504 70 }
DannyLee 0:80a59a49d504 71 i++;
DannyLee 0:80a59a49d504 72 }
DannyLee 0:80a59a49d504 73 }
DannyLee 0:80a59a49d504 74
DannyLee 0:80a59a49d504 75 void Snake::produceBody(){
DannyLee 0:80a59a49d504 76 int i = 0;
DannyLee 0:80a59a49d504 77 while (i < L){
DannyLee 0:80a59a49d504 78 greedy.bodyX[i]=beginX+i;
DannyLee 0:80a59a49d504 79 greedy.bodyY[i]=beginY;
DannyLee 0:80a59a49d504 80 greedy._Joystick[i]=1;
DannyLee 0:80a59a49d504 81 i++;
DannyLee 0:80a59a49d504 82 }
DannyLee 0:80a59a49d504 83 greedy.bodyX[L] = greedy.bodyX[L-1];
DannyLee 0:80a59a49d504 84 greedy.bodyY[L] = greedy.bodyY[L-1];
DannyLee 0:80a59a49d504 85 greedy.bodyX[L+1]= greedy.bodyX[L] + 1;
DannyLee 0:80a59a49d504 86 greedy.bodyY[L+1]= greedy.bodyY[L] + 1;
DannyLee 0:80a59a49d504 87 }//end of produceBody
DannyLee 0:80a59a49d504 88
DannyLee 0:80a59a49d504 89 void Snake::init(int _x, int _y, int _L, int _life){//initalize variables
DannyLee 0:80a59a49d504 90
DannyLee 0:80a59a49d504 91 initApple(); //initialize apple
DannyLee 0:80a59a49d504 92 beginX= _x;
DannyLee 0:80a59a49d504 93 beginY= _y;
DannyLee 0:80a59a49d504 94 beginL= _L;
DannyLee 0:80a59a49d504 95 Life= _life;
DannyLee 0:80a59a49d504 96 L = _L; //save variables for further coding
DannyLee 0:80a59a49d504 97 initApple();
DannyLee 0:80a59a49d504 98 produceBody();
DannyLee 0:80a59a49d504 99 printf("xog is %d ", greedy.bodyX[L-1]);
DannyLee 0:80a59a49d504 100 }//end of init
DannyLee 0:80a59a49d504 101
DannyLee 0:80a59a49d504 102 void Snake::draw(N5110 &lcd){
DannyLee 1:bd7c99a5bd10 103 WallMeet(lcd);
DannyLee 1:bd7c99a5bd10 104 checkBodyMeet(lcd); //checke if greedy touch the wall
DannyLee 0:80a59a49d504 105 if (Life != 0 ){
DannyLee 0:80a59a49d504 106 lcd.clear();
DannyLee 0:80a59a49d504 107 wait(0.15-L*0.001);
DannyLee 1:bd7c99a5bd10 108 drawApple(lcd);//produce apple
DannyLee 1:bd7c99a5bd10 109 lcd.drawRect(0,0,84,48,FILL_TRANSPARENT);//create battlefield
DannyLee 0:80a59a49d504 110 int i = 0;
DannyLee 0:80a59a49d504 111 while (i < L){
DannyLee 0:80a59a49d504 112 lcd.setPixel(greedy.bodyX[i],greedy.bodyY[i]);
DannyLee 0:80a59a49d504 113 i++;
DannyLee 0:80a59a49d504 114 }
DannyLee 0:80a59a49d504 115 lcd.refresh();
DannyLee 0:80a59a49d504 116 }
DannyLee 0:80a59a49d504 117
DannyLee 0:80a59a49d504 118 }//end of drawing
DannyLee 0:80a59a49d504 119
DannyLee 0:80a59a49d504 120 //set the joysitick
DannyLee 0:80a59a49d504 121 void Snake::press(Gamepad &pad){
DannyLee 0:80a59a49d504 122 if( pad.check_event(Gamepad:: A_PRESSED) == true
DannyLee 0:80a59a49d504 123 && greedy._Joystick[L-1]!=2) { greedy._Joystick[L-1] = 4 ;}
DannyLee 0:80a59a49d504 124 if( pad.check_event(Gamepad:: B_PRESSED) == true
DannyLee 0:80a59a49d504 125 && greedy._Joystick[L-1]!=3) { greedy._Joystick[L-1] = 1 ;}
DannyLee 0:80a59a49d504 126 if( pad.check_event(Gamepad:: X_PRESSED) == true
DannyLee 0:80a59a49d504 127 && greedy._Joystick[L-1]!=1) { greedy._Joystick[L-1] = 3;}
DannyLee 0:80a59a49d504 128 if( pad.check_event(Gamepad:: Y_PRESSED) == true
DannyLee 0:80a59a49d504 129 && greedy._Joystick[L-1]!=4) { greedy._Joystick[L-1] = 2 ;}
DannyLee 0:80a59a49d504 130 }
DannyLee 0:80a59a49d504 131
DannyLee 0:80a59a49d504 132 void Snake::changeDir(Gamepad &pad){
DannyLee 0:80a59a49d504 133
DannyLee 0:80a59a49d504 134 switch(greedy._Joystick[L-1]){
DannyLee 0:80a59a49d504 135 case 1: greedy.bodyX[L]++;
DannyLee 0:80a59a49d504 136 greedy.bodyX[L+1] = greedy.bodyX[L]+1; break;
DannyLee 0:80a59a49d504 137 case 2: greedy.bodyY[L]--;
DannyLee 0:80a59a49d504 138 greedy.bodyY[L+1] = greedy.bodyY[L]-1; break;
DannyLee 0:80a59a49d504 139 case 3: greedy.bodyX[L]--;
DannyLee 0:80a59a49d504 140 greedy.bodyX[L+1] = greedy.bodyX[L]-1; break;
DannyLee 0:80a59a49d504 141 case 4: greedy.bodyY[L]++;
DannyLee 0:80a59a49d504 142 greedy.bodyY[L+1] = greedy.bodyY[L]+1; break;
DannyLee 0:80a59a49d504 143 } //change direction
DannyLee 0:80a59a49d504 144
DannyLee 0:80a59a49d504 145 int i = 0; //reset body
DannyLee 0:80a59a49d504 146 while (i < L){
DannyLee 0:80a59a49d504 147 greedy.bodyX[i]=greedy.bodyX[i+1];
DannyLee 0:80a59a49d504 148 greedy.bodyY[i]=greedy.bodyY[i+1];
DannyLee 0:80a59a49d504 149 i++;
DannyLee 0:80a59a49d504 150 }
DannyLee 0:80a59a49d504 151
DannyLee 0:80a59a49d504 152 //moving with buttons
DannyLee 0:80a59a49d504 153 press(pad);
DannyLee 0:80a59a49d504 154 d = pad.get_direction();
DannyLee 0:80a59a49d504 155 if (d==N && greedy._Joystick[L-1]!=4 ){ greedy._Joystick[L-1] = 2; }
DannyLee 0:80a59a49d504 156 if (d==E && greedy._Joystick[L-1]!=3 ){ greedy._Joystick[L-1] = 1; }
DannyLee 0:80a59a49d504 157 if (d==W && greedy._Joystick[L-1]!=1 ){ greedy._Joystick[L-1] = 3; }
DannyLee 0:80a59a49d504 158 if (d==S && greedy._Joystick[L-1]!=2 ){ greedy._Joystick[L-1] = 4; }
DannyLee 0:80a59a49d504 159
DannyLee 0:80a59a49d504 160 } // end changeDir
DannyLee 0:80a59a49d504 161
DannyLee 0:80a59a49d504 162 void Snake::update(Gamepad &pad){
DannyLee 0:80a59a49d504 163
DannyLee 0:80a59a49d504 164 if (Life!=0){
DannyLee 0:80a59a49d504 165
DannyLee 0:80a59a49d504 166 printf("x+1 is %d", greedy.bodyX[L+1]);
DannyLee 0:80a59a49d504 167 printf("y+1 is %d", greedy.bodyY[L+1]);
DannyLee 0:80a59a49d504 168 printf("dir+1 is %d", greedy._Joystick[L+1]);
DannyLee 0:80a59a49d504 169 printf("length is %d", L);
DannyLee 0:80a59a49d504 170
DannyLee 0:80a59a49d504 171 changeDir(pad);
DannyLee 0:80a59a49d504 172
DannyLee 0:80a59a49d504 173 printf("updated ");
DannyLee 0:80a59a49d504 174
DannyLee 1:bd7c99a5bd10 175
DannyLee 0:80a59a49d504 176 if(eatApple()){
DannyLee 0:80a59a49d504 177 greedy.bodyX[L] = greedy.bodyX[L+1];
DannyLee 0:80a59a49d504 178 greedy.bodyY[L] = greedy.bodyY[L+1];
DannyLee 0:80a59a49d504 179 greedy._Joystick[L] =greedy._Joystick[L-1];
DannyLee 0:80a59a49d504 180 L++;
DannyLee 0:80a59a49d504 181 produceApple(); //new apple
DannyLee 0:80a59a49d504 182 pad.tone(1000.0,0.2);
DannyLee 0:80a59a49d504 183 }
DannyLee 0:80a59a49d504 184 }
DannyLee 0:80a59a49d504 185 }
DannyLee 0:80a59a49d504 186
DannyLee 0:80a59a49d504 187 bool Snake:: eatApple(){
DannyLee 0:80a59a49d504 188 pos applePos = getPos(); //get apple's position
DannyLee 0:80a59a49d504 189 return greedy.bodyX[L-1] == applePos.x && greedy.bodyY[L-1]== applePos.y;
DannyLee 0:80a59a49d504 190 }