c语言实现弹跳小球

#include 
#include 
#include 
#include 
typedef struct ball_attribute {
	int left = 30;
	int right = 100;
	int bottom = 30;
	int top = 10;
	//界面大小
	int velocity_x = 1;
	int velocity_y = 1;
	//运行速度
	unsigned int x = 40;
	unsigned int y = 20;
	//原始坐标
}BA;
void scanball(BA ball);
void print(int x, int y);
void printboundary(BA ball);
void color(const unsigned short textColor);
void SetPosC(COORD a);
void HideCursor();
void main() {
	BA ball{};
	system("mode con cols=188 lines=47");//显示框大小
	scanball(ball);
	HideCursor();
	while (1) {
		print(ball.right  / 2, ball.top - 4), color(6), printf("  弹      弹      球"), print(0, 0), color(16);
		printboundary(ball);
		if ((ball.x == ball.right) || (ball.x == ball.left))
			ball.velocity_x = -ball.velocity_x;
		if ((ball.y == ball.top) || (ball.y == ball.bottom))
			ball.velocity_y = -ball.velocity_y;
		//if (ball.x == ball.right) ball.velocity_x = -ball.velocity_x;
		ball.x += ball.velocity_x;
		ball.y += ball.velocity_y;
		print(ball.x, ball.y), color(2), printf("●"), color(16);//绿色小球
		Sleep(25);
	}
}
void scanball(BA ball) {
	unsigned int a, b, c, d;
	int bool_1 = 0, bool_2 = 0;
	printf("输入界面大小,top=?,bottom=?,left=?,right=?n");
	scanf_s(" %d %d %d %d",&a,&b,&c,&d);
	ball.top = a, ball.bottom = b, ball.left = c, ball.right = d;
	int speed_x=0, speed_y=0;
	do {
		printf("输入速度大小,velocity_x=?,velocity_y=?n");
		scanf_s(" %d %d", &speed_x, &speed_y);
		if (abs(speed_x) > 5 || abs(speed_y) > 5) {
			printf("设定速度过快n");
			bool_1 = 1;
		}
		else {
			ball.velocity_x = speed_x, ball.velocity_y = speed_y;
			bool_1 = 0;
		}
	} while (bool_1);
	int x, y;
	do {
		printf("输入ball原始坐标,y=?,x=?n");
		scanf_s(" %d %d", &y, &x);
		if (x >= ball.left && x<= ball.right && y >= ball.top && y <= ball.bottom) {
			ball.x = x, ball.y = y;
			bool_2 = 0;
		}
		else {
			printf("输入错误n");
			bool_2 = 1;
		}
		
	} while (bool_2);

}
void printboundary(BA ball) {//长:30--150;宽:10--40
	for (int y = 1; y <= ball.bottom + 1; y++) {//y轴:第1行--第41行
		if (y == ball.top || y == ball.bottom + 1) {
			for (int x = 1; x <= ball.right + 1; x++) {//x轴:第1列--第151列
				if (x >= ball.left + 2) color(5), printf("-"), color(16);
				else printf(" ");
			}
		}
		else if (y >= ball.top && y <= ball.bottom) {
			for (int x = 1; x <= ball.right + 2; x++) {
				if (x == ball.left + 1 || x == ball.right + 2) color(12), printf("|"), color(16);
				else printf(" ");
			}
		}
		printf("n");
	}
}
void color(const unsigned short textColor)      //自定义函根据参数改变颜色 
{
	if (textColor >= 0 && textColor <= 15)     //参数在0-15的范围颜色
		SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), textColor);
	//用一个参数，改变字体颜色
	else   //默认的字体颜色是白色
		SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 7);
}
void SetPosC(COORD a) { // set cursor
	HANDLE out = GetStdHandle(STD_OUTPUT_HANDLE);
	SetConsoleCursorPosition(out, a);
}
void print(int x, int y) {
	COORD pos = { x, y };
	SetPosC(pos);
}
//定义隐藏光标函数
void HideCursor()
{
	CONSOLE_CURSOR_INFO cursor;
	cursor.bVisible = FALSE;
	cursor.dwSize = sizeof(cursor);
	HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);
	SetConsoleCursorInfo(handle, &cursor);
}