Coby Lu / Mbed 2 deprecated snake

The classic game of snake. Control using a joystick and displayed on a VGA screen

Dependencies:   4DGL direction draw game list mbed

main.cpp@0:1ca938e58b91, 2012-10-11 (annotated)

Committer:
lucoby
Date:
Thu Oct 11 19:00:03 2012 +0000
Revision:
0:1ca938e58b91
Child:
1:aa27e5ef379b
Game of snake input from a joystick and outputs to VGA

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lucoby 0:1ca938e58b91 1 #include "mbed.h"
lucoby 0:1ca938e58b91 2 #include "direction.h"
lucoby 0:1ca938e58b91 3 #include "list.h"
lucoby 0:1ca938e58b91 4 #include "draw.h"
lucoby 0:1ca938e58b91 5 #include "game.h"
lucoby 0:1ca938e58b91 6
lucoby 0:1ca938e58b91 7 DigitalOut myled(LED1);
lucoby 0:1ca938e58b91 8 DigitalOut myled2(LED2);
lucoby 0:1ca938e58b91 9 DigitalIn pb(p17);
lucoby 0:1ca938e58b91 10
lucoby 0:1ca938e58b91 11 int main() {
lucoby 0:1ca938e58b91 12 pb.mode(PullUp);
lucoby 0:1ca938e58b91 13 myled2 = 1;
lucoby 0:1ca938e58b91 14 SDirection direction, newDirection;
lucoby 0:1ca938e58b91 15 List snake = {NULL,NULL};
lucoby 0:1ca938e58b91 16 Apple apple;
lucoby 0:1ca938e58b91 17 int points;
lucoby 0:1ca938e58b91 18 int tempRow, tempCol;
lucoby 0:1ca938e58b91 19 int draw_yes = 0;
lucoby 0:1ca938e58b91 20 int i;
lucoby 0:1ca938e58b91 21 State game = start;
lucoby 0:1ca938e58b91 22 drawSetup();
lucoby 0:1ca938e58b91 23
lucoby 0:1ca938e58b91 24 while(1) {
lucoby 0:1ca938e58b91 25 wait(0.016666667);
lucoby 0:1ca938e58b91 26 myled = !myled;
lucoby 0:1ca938e58b91 27 switch(game) {
lucoby 0:1ca938e58b91 28 case start:
lucoby 0:1ca938e58b91 29 if((direction = getDirection(none)) != none) {
lucoby 0:1ca938e58b91 30 deleteList(&snake);
lucoby 0:1ca938e58b91 31 clearscr();
lucoby 0:1ca938e58b91 32 for(i = -1; i < ROW + 2; i++) {
lucoby 0:1ca938e58b91 33 drawPixel(i,-1,0xFFFFFF);
lucoby 0:1ca938e58b91 34 drawPixel(i,COL+1,0xFFFFFF);
lucoby 0:1ca938e58b91 35 }
lucoby 0:1ca938e58b91 36 for(i = -1; i < COL + 2; i++){
lucoby 0:1ca938e58b91 37 drawPixel(-1,i,0xFFFFFF);
lucoby 0:1ca938e58b91 38 drawPixel(ROW+1,i,0xFFFFFF);
lucoby 0:1ca938e58b91 39 }
lucoby 0:1ca938e58b91 40 addToHead(&snake, 5, 5);
lucoby 0:1ca938e58b91 41 addToHead(&snake, 5, 6);
lucoby 0:1ca938e58b91 42 addToHead(&snake, 5, 7);
lucoby 0:1ca938e58b91 43 apple.row = rand() % (ROW - 1) + 1;
lucoby 0:1ca938e58b91 44 apple.col = rand() % (COL - 3) + 3;
lucoby 0:1ca938e58b91 45 points = 0;
lucoby 0:1ca938e58b91 46 game = run;
lucoby 0:1ca938e58b91 47 }
lucoby 0:1ca938e58b91 48 break;
lucoby 0:1ca938e58b91 49 case run:
lucoby 0:1ca938e58b91 50 // control
lucoby 0:1ca938e58b91 51 newDirection = getDirection(newDirection);
lucoby 0:1ca938e58b91 52 draw_yes++;
lucoby 0:1ca938e58b91 53 if(draw_yes == 14) game = draw;
lucoby 0:1ca938e58b91 54 break;
lucoby 0:1ca938e58b91 55
lucoby 0:1ca938e58b91 56 case draw:
lucoby 0:1ca938e58b91 57 //model
lucoby 0:1ca938e58b91 58 draw_yes = 0;
lucoby 0:1ca938e58b91 59 game = run;
lucoby 0:1ca938e58b91 60 //left
lucoby 0:1ca938e58b91 61 if(newDirection == left && direction != right || newDirection == none && direction == left || direction == left && newDirection == right) {
lucoby 0:1ca938e58b91 62 direction = left;
lucoby 0:1ca938e58b91 63 //pc.printf("left\n\r");
lucoby 0:1ca938e58b91 64 addToHead(&snake, snake.head->row, snake.head->col - 1);
lucoby 0:1ca938e58b91 65 if (snake.head->row == apple.row && snake.head->col == apple.col) {
lucoby 0:1ca938e58b91 66 tempRow = -1;
lucoby 0:1ca938e58b91 67 tempCol = -1;
lucoby 0:1ca938e58b91 68 score(&apple, &points);
lucoby 0:1ca938e58b91 69 } else {
lucoby 0:1ca938e58b91 70 tempRow = snake.tail->row;
lucoby 0:1ca938e58b91 71 tempCol = snake.tail->col;
lucoby 0:1ca938e58b91 72 removeFromTail(&snake);
lucoby 0:1ca938e58b91 73 }
lucoby 0:1ca938e58b91 74 //right
lucoby 0:1ca938e58b91 75 } else if (newDirection == right && direction != left || newDirection == none && direction == right || direction == right && newDirection == left) {
lucoby 0:1ca938e58b91 76 addToHead(&snake, snake.head->row, snake.head->col + 1);
lucoby 0:1ca938e58b91 77 direction = right;
lucoby 0:1ca938e58b91 78 //pc.printf("right\n\r");
lucoby 0:1ca938e58b91 79 if (snake.head->row == apple.row && snake.head->col == apple.col) {
lucoby 0:1ca938e58b91 80 tempRow = -1;
lucoby 0:1ca938e58b91 81 tempCol = -1;
lucoby 0:1ca938e58b91 82 score(&apple, &points);
lucoby 0:1ca938e58b91 83 } else {
lucoby 0:1ca938e58b91 84 tempRow = snake.tail->row;
lucoby 0:1ca938e58b91 85 tempCol = snake.tail->col;
lucoby 0:1ca938e58b91 86 removeFromTail(&snake);
lucoby 0:1ca938e58b91 87 }
lucoby 0:1ca938e58b91 88 //up
lucoby 0:1ca938e58b91 89 } else if (newDirection == up && direction != down || newDirection == none && direction == up|| direction == up && newDirection == down) {
lucoby 0:1ca938e58b91 90 addToHead(&snake, snake.head->row - 1, snake.head->col);
lucoby 0:1ca938e58b91 91 direction = up;
lucoby 0:1ca938e58b91 92 //pc.printf("up\n\r");
lucoby 0:1ca938e58b91 93 if (snake.head->row == apple.row && snake.head->col == apple.col) {
lucoby 0:1ca938e58b91 94 tempRow = -1;
lucoby 0:1ca938e58b91 95 tempCol = -1;
lucoby 0:1ca938e58b91 96 score(&apple, &points);
lucoby 0:1ca938e58b91 97 } else {
lucoby 0:1ca938e58b91 98 tempRow = snake.tail->row;
lucoby 0:1ca938e58b91 99 tempCol = snake.tail->col;
lucoby 0:1ca938e58b91 100 removeFromTail(&snake);
lucoby 0:1ca938e58b91 101 }
lucoby 0:1ca938e58b91 102 //down
lucoby 0:1ca938e58b91 103 } else if (newDirection == down && direction != up || newDirection == none && direction == down|| direction == down&& newDirection == up) {
lucoby 0:1ca938e58b91 104 addToHead(&snake, snake.head->row + 1, snake.head->col);
lucoby 0:1ca938e58b91 105 direction = down;
lucoby 0:1ca938e58b91 106 //pc.printf("down\n\r");
lucoby 0:1ca938e58b91 107 if (snake.head->row == apple.row && snake.head->col == apple.col) {
lucoby 0:1ca938e58b91 108 tempRow = -1;
lucoby 0:1ca938e58b91 109 tempCol = -1;
lucoby 0:1ca938e58b91 110 score(&apple, &points);
lucoby 0:1ca938e58b91 111 } else {
lucoby 0:1ca938e58b91 112 tempRow = snake.tail->row;
lucoby 0:1ca938e58b91 113 tempCol = snake.tail->col;
lucoby 0:1ca938e58b91 114 removeFromTail(&snake);
lucoby 0:1ca938e58b91 115 }
lucoby 0:1ca938e58b91 116 }
lucoby 0:1ca938e58b91 117
lucoby 0:1ca938e58b91 118 if(!checkGameOver(&snake)){
lucoby 0:1ca938e58b91 119 game = end;
lucoby 0:1ca938e58b91 120 }
lucoby 0:1ca938e58b91 121
lucoby 0:1ca938e58b91 122 //view
lucoby 0:1ca938e58b91 123 if(tempRow >= 0) {
lucoby 0:1ca938e58b91 124 drawBlank(tempRow, tempCol);
lucoby 0:1ca938e58b91 125 }
lucoby 0:1ca938e58b91 126 drawApple(apple.row, apple.col);
lucoby 0:1ca938e58b91 127 drawSnake(snake.head->row, snake.head->col);
lucoby 0:1ca938e58b91 128 drawScore(points);
lucoby 0:1ca938e58b91 129 break;
lucoby 0:1ca938e58b91 130 case end:
lucoby 0:1ca938e58b91 131 if(!pb) game = start;
lucoby 0:1ca938e58b91 132 break;
lucoby 0:1ca938e58b91 133 }
lucoby 0:1ca938e58b91 134 }
lucoby 0:1ca938e58b91 135 }