贪吃蛇
注：以下是学生做的贪吃蛇，所有都是学生自己研究的，什么都不要问我{:5_168:}功能：菜单里有三个选项，开始游戏，亮度和最高分。游戏规则不多说，就是需要提醒一下是可以从墙的一边穿到另一边的。亮度可调0-15，默认是3，重启不会保存。最高分同样重启不会保存。材料：Arduino Romeo，XY摇杆，MAX7219 LED矩阵模块接线：MAX7219：DIN – 6CS – 5CLK – 4XY摇杆：X – A0Y – A1Z – A2// 矩阵引脚（数字）
#define CLK4
#define CS 5
#define DIN6
// XY摇杆引脚（模拟）
#define X 0
#define Y 1
#define SW 2
#define LEFT0
#define RIGHT 1
#define UP 2
#define DOWN3
#define BTN 4
#define PRESS 0
#define RELEASE 1
#define MAXLEN 64
#define MAIN 0
#define GAME 1
#define SCORE 2
#define SETTING 3
#define TOP 4
#define START 0
#define INTENSITY 1
#define HIGHSCORE 2
typedef struct{
byte x, y;
}position;
// （类似）循环队列操作
void in(position p); // 插入新位置
position out(); // 弹出最末尾的位置
position get(); // 获取第一个位置
position get2(); // 获取第二个位置
byte length(); // 获取当前长度
// 数字，字母位图
const short numbers = {
{7, 5, 5, 5, 7},
{2, 2, 2, 2, 2},
{7, 4, 7, 1, 7},
{7, 4, 7, 4, 7},
{5, 5, 7, 4, 4},
{7, 1, 7, 4, 7},
{7, 1, 7, 5, 7},
{7, 4, 4, 4, 4},
{7, 5, 7, 5, 7},
{7, 5, 7, 4, 7}
}, chars = {
{4, 6, 9, 9, 9, 15, 9, 9},
{4, 7, 9, 9, 7, 9, 9, 7},
{4, 6, 9, 1, 1, 1, 9, 6},
{4, 7, 9, 9, 9, 9, 9, 7},
{4, 15, 1, 1, 7, 1, 1, 15},
{4, 15, 1, 1, 7, 1, 1, 1},
{4, 6, 9, 1, 13, 9, 9, 6},
{4, 9, 9, 9, 15, 9, 9, 9},
{3, 7, 2, 2, 2, 2, 2, 7},
{4, 8, 8, 8, 8, 9, 9, 6},
{4, 9, 9, 5, 3, 5, 9, 9},
{4, 1, 1, 1, 1, 1, 1, 15},
{4, 9, 15, 15, 9, 9, 9, 9},
{4, 9, 11, 11, 13, 13, 9, 9},
{4, 6, 9, 9, 9, 9, 9, 6},
{4, 7, 9, 9, 7, 1, 1, 1},
{4, 6, 9, 9, 9, 11, 13, 14},
{4, 7, 9, 9, 7, 3, 5, 9},
{4, 6, 9, 1, 6, 8, 9, 6},
{5, 31, 4, 4, 4, 4, 4, 4},
{4, 9, 9, 9, 9, 9, 9, 6},
{4, 9, 9, 9, 9, 6, 6, 6},
{4, 9, 9, 9, 9, 15, 15, 9},
{4, 9, 9, 6, 6, 6, 9, 9},
{5, 17, 17, 10, 4, 4, 4, 4},
{4, 15, 8, 4, 6, 2, 1, 15}
};
byte disp, tail, head, direction, buttons = 0, changing, timing, rsw = 0, flowleng, part = MAIN, status = START, intensity, highscore = 0;
short valx, valy, flowx;
unsigned long delays, times, rswt;
position snake, food;
char* flows;
void in(position p){
head = (head + 1) % MAXLEN;
snake = p;
}
position out(){
position rtn = snake;
tail = (tail + 1) % MAXLEN;
return rtn;
}
position get(){
return snake;
}
position get2(){
if (head) return snake;
return snake;
}
byte length(){
if (head >= tail) return head - tail + 1;
return MAXLEN + head - tail + 1;
}
// 输出数字
void printNum(byte num, short x, short y){
for(int i = 0; i < 5; i++){
for(int j = 0; j < 3; j++){
if (numbers & (1 << j)) disp = !0;
else disp = 0;
}
}
}
// 获取字母对应序号
byte getIndex(char c){
if ((c >= 'a') && (c <= 'z')) return c - 97; // 'a' = 97
if ((c >= 'A') && (c <= 'Z')) return c - 65; // 'A' = 65
if (c >= 26) return -1;
return c;
}
// 输出字母
byte printChar(char c, short x, short y){
if ((c >= '0') && (c <= '9')){
printNum(c - 48, x, y); // '0' = 48
return 3;
}
c = getIndex(c);
if (c == -1) return 0;
for(int i = 0; i < 7; i++){
if (i + y > 7) break;
if (i + y < 0) continue;
for(int j = 0; j < chars; j++){
if (j + x > 7) break;
if (j + x < 0) continue;
if (chars & (1 << j)) disp = !0;
else disp = 0;
}
}
return chars;
}
// 打印字符串
void printString(char* s, short x, short y){
for(int i = 0; i < strlen(s); i++){
x += printChar(s, x, y + ((s >= '0') && (s <= '9'))) + 1;
if (x > 7) return;
}
}
// 流动显示字符串
void flowString(char* s){
flowleng = strlen(s);
for(int i = 0; i < strlen(s); i++){
char c = getIndex(s);
if (c != -1) flowleng += chars;
}
flowx = 0;
flows = s;
timerContinue(2);
}
// 停止显示流动字符串
void stopFlowing(){
timerPause(2);
}
// 生成食物
void newFood(){
byte num = random(64 - length()); // 能生成的位置只有 64 - length() 个
if ((food.x != get().x) || (food.y != get().y)){ // 初始化时可能排除上一次食物的位置
disp = 0;
update(food.y);
}
for(int i = 0; i < 8; i++)
for(int j = 0; j < 8; j++)
if (!disp){ // 身体不能生成食物
if (num) num--;
else{
food.x = i;
food.y = j;
disp = 1;
update(food.y);
return;
}
}
}
// 向矩阵模块输出一个字节的数据
void writeByte(byte data){
for(int i = 0; i < 8; i++){
digitalWrite(DIN, (data << i) & 0x80);
digitalWrite(CLK, LOW);
digitalWrite(CLK, HIGH);
}
}
// 修改矩阵模块指定寄存器的值
void writeReg(byte addr, byte data){
digitalWrite(CS, LOW);
writeByte(addr);
writeByte(data);
digitalWrite(CS, HIGH);
}
// 刷新指定行
void update(byte row){
byte t = 0;
for(int i = 0; i < 8; i++) if (disp) t |= 128 >> i;
writeReg(row + 1, t);
}
// 刷新全屏幕
void update(){
for(int i = 0; i < 8; i++){
update(i);
}
}
// 清屏
void clrscr(){
for(int i = 0; i < 8; i++) for(int j = 0; j < 8; j++) disp = 0;
}
// 重绘
void repaint(){
clrscr();
for(int i = tail; i != head; i = (i + 1) % MAXLEN) disp.x].y] = 1;
}
// 初始化地图
void initMap(){
clrscr();
for(int i = 0; i < 4; i++){
disp = 1;
snake.x = i + 2;
snake.y = 3;
}
tail = 0;
head = 3;
direction = 1 << RIGHT;
newFood();
update();
timerContinue(0);
timerContinue(1);
}
// 获取前进方向
byte getDirection(){
byte d1 = 255, d2 = 255;
for(int i = 0; i < 4; i++) if (direction & (1 << i)){
if (d1 == 255) d1 = i;
else {
d2 = i;
break;
}
}
if (d2 == 255) return d1;
changing = !changing; // 如果摇杆掰到角落上就两个轮流来(ノへ￣、)
if (changing) return d2;
return d1;
}
// 注册计时器
void timerRegister(byte id, unsigned long time){
delays = time;
times = millis();
timing = 0;
}
// 计时器暂停
void timerPause(byte id){
timing = 0;
}
// 计时器继续
void timerContinue(byte id){
times = millis();
timing = !0;
}
// 返回计时器状态
bool timerTiming(byte id){
return timing;
}
// 计时器事件
void timerAction(byte id){
if (id == 0){ // 蛇该动了
byte drtn = getDirection();
position np = get();
// 穿墙判定不解释
if (drtn == LEFT){
if (np.x) np.x--;
else np.x = 7;
} else if (drtn == RIGHT){
if (np.x == 7) np.x = 0;
else np.x++;
} else if (drtn == UP){
if (np.y) np.y--;
else np.y = 7;
} else if (drtn == DOWN){
if (np.y == 7) np.y = 0;
else np.y++;
}
if ((np.x == food.x) && (np.y == food.y)){ // 吃到东西了
disp = 1;
update(np.y);
in(np);
newFood();
} else {
position last = out();
disp = 0;
if (disp){ // 咬到自己了
byte score = length() - 3;
timerPause(0);
timerPause(1);
part = SCORE;
if (score > highscore) highscore = score;
clrscr();
printNum(score / 10, 0, 1);
printNum(score % 10, 4, 1);
update();
}else{ // 没咬到就挪一下
in(np);
disp = !0;
update(np.y);
update(last.y);
}
}
} else if (id == 1){ // 食物闪一下
disp = !disp;
update(food.y);
} else if (id == 2){ // 字符串挪一下
clrscr();
printString(flows, -flowx, 0);
update();
flowx++;
if (flowx == flowleng) flowx = -8;
}
}
// 按钮按下事件
void buttonPressed(byte id){
if (part == GAME){
if (id == BTN){
} else { // 游戏中变方向，同时还要防止头转180°这种奇葩情况。。
position s1 = get(), s2 = get2();
if ((id == LEFT) && ((get().x - get2().x == 1) || (get2().x - get().x == 7))) return;
if ((id == RIGHT) && ((get2().x - get().x == 1) || (get().x - get2().x == 7))) return;
if ((id == UP) && ((get().y - get2().y == 1) || (get2().y - get().y == 7))) return;
if ((id == DOWN) && ((get2().y - get().y == 1) || (get().y - get2().y == 7))) return;
direction = buttons;
if (buttons & !(1 << id)) changing = 0;
}
}
}
// 按钮释放事件
void buttonReleased(byte id){
if (part == MAIN){
if (id == BTN){ // 主菜单选择了什么东西
stopFlowing();
if (status == START){
part = GAME;
initMap();
} else if (status == INTENSITY){
part = SETTING;
clrscr();
printNum(intensity / 10, 0, 1);
printNum(intensity % 10, 4, 1);
update();
} else if (status == HIGHSCORE){
part = TOP;
clrscr();
printNum(highscore / 10, 0, 1);
printNum(highscore % 10, 4, 1);
update();
}
} else if ((id == LEFT) || (id == UP)){ // 换选项，下同其实这最好用数组，但是只有三个就没写。。
if (status == START){
status = HIGHSCORE;
flowString("highscore");
} else if (status == INTENSITY){
status = START;
flowString("start");
} else if (status == HIGHSCORE){
status = INTENSITY;
flowString("intensity");
}
} else {
if (status == START){
status = INTENSITY;
flowString("intensity");
} else if (status == INTENSITY){
status = HIGHSCORE;
flowString("highscore");
} else if (status == HIGHSCORE){
status = START;
flowString("start");
}
}
} else if (part == GAME){
if (id == BTN){ // 暂停
if (timerTiming(0)) timerPause(0);
else timerContinue(0);
} else {
if (direction & !(1 << id)) direction &= !(1 << id);
}
} else if (part == SCORE){
if (id == BTN){ // 回主菜单
part = MAIN;
flowString("start");
}
} else if (part == SETTING){
if (id == BTN){ // 还是回主菜单
part = MAIN;
flowString("intensity");
} else{ // 改亮度
if ((id == LEFT) || (id == UP)){
if (intensity != 0) intensity--;
} else {
if (intensity != 15) intensity++;
}
writeReg(0xA, intensity);
printNum(intensity / 10, 0, 1);
printNum(intensity % 10, 4, 1);
update();
}
} else if (part == TOP){
if (id == BTN){ // 仍然是回主菜单
part = MAIN;
flowString("highscore");
}
}
}
void setup() {
pinMode(CLK, OUTPUT);
pinMode(CS, OUTPUT);
pinMode(DIN, OUTPUT);
intensity = 3;
writeReg(0x9, 0); // Decode Mode
writeReg(0xA, intensity); // Intensity
writeReg(0xB, 7); // Scan Limit
writeReg(0xC, 1); // Shutdown
writeReg(0xF, 0); // Display Test
update();
timerRegister(0, 1000); // move timer
timerRegister(1, 200);// food twinkle
timerRegister(2, 100);// flow string
flowString("start");
}
void loop() {
// 循环检测计时器
for(int i = 0; i < 3; i++) if ((timing) && (millis() - times >= delays)){
timerAction(i);
times += delays;
}
// 循环检测摇杆
if (analogRead(X) == 1023){
if (!(buttons & (1 << RIGHT))){
buttons |= 1 << RIGHT;
buttonPressed(RIGHT);
}
} else if (analogRead(X) == 0){
if (!(buttons & (1 << LEFT))){
buttons |= 1 << LEFT;
buttonPressed(LEFT);
}
} else if (buttons & (1 << RIGHT)){
if (analogRead(X) < 923){
buttons &= !(1 << RIGHT);
buttonReleased(RIGHT);
}
} else if (buttons & (1 << LEFT)){
if (analogRead(X) >= 100){
buttons &= !(1 << LEFT);
buttonReleased(LEFT);
}
}
if (analogRead(Y) == 1023){
if (!(buttons & (1 << UP))){
buttons |= 1 << UP;
buttonPressed(UP);
}
} else if (analogRead(Y) == 0){
if (!(buttons & (1 << DOWN))){
buttons |= 1 << DOWN;
buttonPressed(DOWN);
}
} else if (buttons & (1 << UP)){
if (analogRead(Y) < 923){
buttons &= !(1 << UP);
buttonReleased(UP);
}
} else if (buttons & (1 << DOWN)){
if (analogRead(Y) >= 100){
buttons &= !(1 << DOWN);
buttonReleased(DOWN);
}
}
// 循环检测按钮
if (buttons & (1 << BTN)){
if (analogRead(SW)){
if (rsw){
if (micros() - rswt > 1000){ // 防止按钮按下时出现有时认为没有按下的时候，认为用户连续按下了多次
buttons &= !(1 << BTN);
rsw = 0;
buttonReleased(BTN);
}
} else {
rsw = 1;
rswt = micros();
}
} else rsw = 0;
} else if (!analogRead(SW)){
buttons |= 1 << BTN;
buttonPressed(BTN);
}
}
效果图：
超牛逼的 学生 Romeo BLE多合一控制器好用么，我也想入一块 dsweiliang 发表于 2016-3-1 08:22
Romeo BLE多合一控制器好用么，我也想入一块
果断好用 你的学生好腻害{:5_132:} 张禄老师是大学老师？！
好腻害的学生！ 孙毅 发表于 2016-3-1 16:10
张禄老师是大学老师？！
好腻害的学生！
高中老师，学生比我厉害 啊！ 棒！ 棒！ 用Arduino UNO + 输入扩展板V2.0 + LCD12864 显示屏扩展板做的话，效果会更好。 mickey 发表于 2016-3-2 17:12
用Arduino UNO + 输入扩展板V2.0 + LCD12864 显示屏扩展板做的话，效果会更好。
谢谢指导 好创意，赞一个
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