107 lines
2.4 KiB
C++
107 lines
2.4 KiB
C++
#pragma once
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#include "header.h"
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// 计时器
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class Timer {
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public:
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Timer() {
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interval = 0;
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t_start = 0;
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open_timer = false;
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}
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Timer(DWORD _interval): interval(_interval) {
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t_start = 0;
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open_timer = false;
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}
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// 设置间隔
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void set(DWORD _interval) { interval = _interval; }
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// 开启和关闭计时器
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void open() {
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open_timer = true;
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t_start = clock();
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}
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void close() { open_timer = false; }
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// 获得状态
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bool status() { return open_timer; }
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// 确认是否经过了间隔时间
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bool t_time() {
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if(open_timer && clock() - t_start > interval) {
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t_start = clock();
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return true;
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}
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return false;
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}
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private:
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DWORD t_start;
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DWORD interval;
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bool open_timer;
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};
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// 音乐封装类
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class Music {
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public:
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// 获取音乐路径
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Music(const char _arr[]): command("") { strcat_s(command, _arr); }
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void init(); // 初始化
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void open(); // 打开
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void play(); // 播放
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void pause(); // 暂停
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void resume(); // 继续
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void stop(); // 停止
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void close(); // 关闭
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void length(char[]); // 音乐长度
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void status(char[]); // 音乐播放状态
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private:
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char command[BUF_SIZE];
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};
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// 矩形类，用于碰撞检测
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class Rect {
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public:
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Rect() {}
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Rect(int _left, int _top, int _width, int _height): left(_left), top(_top), width(_width), height(_height) {
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c_x = left + width / 2;
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c_y = top + height / 2;
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right = left + width;
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bottom = top + height;
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radius = (int)sqrt(width * width + height * height) / 2;
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}
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// 返回碰撞的index，否则返回-1
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int collision(int, const Rect[]);
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bool collision(const Rect&);
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// 返回点是否在矩形中
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bool point_in(int, int);
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// 用于修改矩形大小
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void operator*=(double times) {
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radius *= times;
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width *= times, height *= times;
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left = c_x - width / 2;
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right = c_x + width / 2;
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top = c_y - height / 2;
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bottom = c_y + height / 2;
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}
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// 输出矩形
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friend ostream& operator<<(ostream& out, const Rect& rect) {
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out << rect.left << " " << rect.right << endl;
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out << rect.top << " " << rect.bottom << endl;
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return out;
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}
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int left, right, top, bottom, width, height;
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int c_x, c_y;
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int radius;
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};
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