问题标题: 抛物线

效果图：

（动图应该能看到）

如果你够勇，可以把字体调小点模拟更大的，如：

（抛物角20，初始速度30，重力加速度10）

#include <bits/stdc++.h>
#include <windows.h>
#include <conio.h>
using namespace std;
void gotoxy(short x, short y) {
	COORD coord = {x, y};
	SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
	return;
}
void hideC() {
	HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);
	CONSOLE_CURSOR_INFO CursorInfo;
	GetConsoleCursorInfo(handle, &CursorInfo);
	CursorInfo.bVisible = false;
	SetConsoleCursorInfo(handle, &CursorInfo);
}
bool m[40][20];
float angle, speed, acceleration, starthigh, stophigh;
int x, y, stoptime;
int main() {
	system("cls");
r1:
	cout << "抛射角（°）：";
	cin >> angle;
	if (angle <= 0 || angle >= 90) {
		cout << "数据无效，请重新输入.\n";
		goto r1;
	}
r2:
	cout << "初始速度（单位长度/单位时间）：";
	cin >> speed;
	if (speed <= 0) {
		cout << "数据无效，请重新输入.\n";
		goto r2;
	}
r3:
	cout << "重力加速度（单位长度/单位时间）：";
	cin >> acceleration;
	if (acceleration <= 0) {
		cout << "数据无效，请重新输入.\n";
		goto r3;
	}
	cout << "初始高度（y轴位置）：";
	cin >> starthigh;
	cout << "停止模拟高度（y轴位置）：";
	cin >> stophigh;
	system("cls");
	cout << "开始计算";
	int ans[1005], maxn = -0x3f3f3f3f, minn = 0x3f3f3f3f, s;
	while (y >= stophigh) {
		y = acceleration / (-2 * cos(angle) * cos(angle) * speed * speed) * x * x + tan(angle) * x + starthigh;
		ans[x++] = y;
		cout << "X:" << x << " Y:" << y << endl;
		maxn = max(maxn, y);
		minn = min(minn, y);
	}
r6:
	system("cls");
	cout << "每次变化间隔时间（ms）：";
	cin >> stoptime;
	if (stoptime < 0) {
		cout << "数据无效，请重新输入.\n";
		goto r6;
	}
	hideC();
	system("cls");
	cout << "将在1s后开始模拟";
	Sleep(1000);
	system("cls");
	gotoxy(0, 1);
	for (int i = maxn; i >= minn; i--) {
		cout << i << endl;
	}
	for (int i = 0; i < x; i++) {
		gotoxy(i + 4, maxn - ans[i] + 1);
		cout << "#";
		gotoxy(0, maxn - ans[i] + 1);
		cout << ans[i];
		Sleep(stoptime);
		gotoxy(i + 4, maxn - ans[i] + 1);
		cout << " ";
	}
	Sleep(500);
	for (int i = 0; i < x; i++) {
		gotoxy(i + 4, maxn - ans[i] + 1);
		cout << "#";
	}
	gotoxy(0, 0);
	cout << "按任意键重新模拟";
	getch();
	goto r6;
	return 0;
}

薛乘志在2021-11-21 14:09:35追加了内容

这玩意本质就是个函数图像，解析式就写在程序里

薛乘志在2021-11-21 14:12:01追加了内容

以后计划用这个原理做个愤怒的小鸟