52 lines
1.9 KiB
C
52 lines
1.9 KiB
C
#include <stdio.h>
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#include <rtthread.h>
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#include <stdbool.h>
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#include "my_func.h"
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#include "mysnake.h"
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#define LCD_MAX 240
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#define SNAKE_SIZE 20
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#define SNAKE_MAX LCD_MAX / SNAKE_SIZE
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// bool snake_table[SNAKE_MAX][SNAKE_MAX] = {0};
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// struct My_snake
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// {
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// int x;
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// int y;
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// }snake_list[SNAKE_MAX*SNAKE_MAX] = {0};
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// /* rt_event_t 是指向事件结构体的指针类型 */
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// typedef struct My_snake* my_snake_t;
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void snake_entry(void)
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{
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int snake_list[SNAKE_MAX][2] = {0};
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int snake_direction[4][2] = {{0, -1}, {0, 1}, {-1, 0}, {1, 0}}; // 上，下，左，右
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int snake_head = 2, snake_tail = 0, former_head; // 蛇头，蛇尾
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int now_direction = 3; // 当前方向
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snake_list[1][0] = SNAKE_MAX / 2;
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snake_list[1][1] = SNAKE_MAX / 2;
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snake_list[0][0] = snake_list[1][0] - 1;
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snake_list[0][1] = snake_list[1][1];
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snake_list[2][0] = snake_list[1][0] + 1;
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snake_list[2][1] = snake_list[1][1];
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// snake_table[snake_list[0][0]][snake_list[0][1]] = 1;
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// snake_table[snake_list[1][0]][snake_list[1][1]] = 1;
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// snake_table[snake_list[2][0]][snake_list[2][1]] = 1;
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snake_address(snake_list[0][0], snake_list[0][1], SNAKE_SIZE, BLACK);
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snake_address(snake_list[1][0], snake_list[1][1], SNAKE_SIZE, BLACK);
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snake_address(snake_list[2][0], snake_list[2][1], SNAKE_SIZE, BLACK);
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int xx = 5;
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while (1)
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{
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rt_thread_mdelay(500);
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snake_address(snake_list[snake_tail][0], snake_list[snake_tail][1], SNAKE_SIZE, WHITE);
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former_head = snake_head;
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snake_head = (snake_head + 1) % (SNAKE_MAX);
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snake_tail = (snake_tail + 1) % (SNAKE_MAX);
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snake_list[snake_head][0] = snake_list[former_head][0] + snake_direction[now_direction][0];
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snake_list[snake_head][1] = snake_list[former_head][1] + snake_direction[now_direction][1];
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snake_address(snake_list[snake_head][0], snake_list[snake_head][1], SNAKE_SIZE, BLACK);
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}
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}
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