我目前正在用C＃创建一个Breakout游戏，我遇到了蝙蝠碰撞的问题。当我用蝙蝠击球时，球被蝙蝠抓住并且没有被正确击中。很难解释，但我想知道是否有人能在我的代码中发现可能导致此问题的问题。
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace BreakOut_Game
{
public partial class Form1 : Form
{
Graphics paper;
Pen pen;
Rectangle ball, bat, brick1, brick2, brick3, brick4, brick5, brick6, brick7, brick8, brick9, brick10;
Random randomNumber;
private int ballX, ballY, batX, batY, xChange, yChange;
public int lives;
public int score;
public Form1()
{
InitializeComponent();
paper = picMainGame.CreateGraphics();
pen = new Pen(Color.Black);
pen.Width = 2;
picMainGame.MouseMove += new System.Windows.Forms.MouseEventHandler(picDraw_MouseMove);
randomNumber = new Random();
score = 0;
lblLives.Text = ("Lives: " + lives);
lblScore.Text = ("Score: " + score);
}
private void picDraw_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
{
batX = e.X;
batY = e.Y;
}
}
private void drawBat()
{
bat = new Rectangle(batX + 10, picMainGame.Height - 30, 40, 12);
paper.DrawRectangle(pen, bat);
paper.FillRectangle(Brushes.Black, bat);
}
public void drawBall()
{
pen = new Pen(Color.Black);
ball = new Rectangle(ballX, ballY, 8, 8);
paper.DrawEllipse(pen, ball);
paper.FillEllipse(Brushes.Black, ball);
}
public void moveBall()
{
ballX = ballX + xChange;
ballY = ballY + yChange;
if ((ballX >= picMainGame.Width) || (ballX <= 0))
xChange = -xChange;
if (ballY <= 0)
yChange = -yChange;
if ((ballX >= (batX - 25)) && (ballX <= (batX + 25)) && (ballY >= (picMainGame.Height - 30)))
if (ballY >= picMainGame.Height)
{
lives = lives - 1;
lblLives.Text = Convert.ToString(lives);
timer1.Enabled = false;
btnLaunch.Enabled = true;
}
}
public void createBricks()
{
brick1 = new Rectangle(25, 3, 50, 10);
brick2 = new Rectangle(76, 3, 50, 10);
brick3 = new Rectangle(127, 3, 50, 10);
brick4 = new Rectangle(178, 3, 50, 10);
brick5 = new Rectangle(229, 3, 50, 10);
brick6 = new Rectangle(280, 3, 50, 10);
brick7 = new Rectangle(331, 3, 50, 10);
brick8 = new Rectangle(382, 3, 50, 10);
brick9 = new Rectangle(433, 3, 50, 10);
brick10 = new Rectangle(484, 3, 50, 10);
}
public void drawBricks()
{
paper.DrawRectangle(Pens.Black, brick1);
paper.FillRectangle(Brushes.Black, brick1);
paper.DrawRectangle(Pens.White, brick2);
paper.FillRectangle(Brushes.White, brick2);
paper.DrawRectangle(Pens.Red, brick3);
paper.FillRectangle(Brushes.Red, brick3);
paper.DrawRectangle(Pens.Blue, brick4);
paper.FillRectangle(Brushes.Blue, brick4);
paper.DrawRectangle(Pens.Green, brick5);
paper.FillRectangle(Brushes.Green, brick5);
paper.DrawRectangle(Pens.Yellow, brick6);
paper.FillRectangle(Brushes.Yellow, brick6);
paper.DrawRectangle(Pens.Black, brick7);
paper.FillRectangle(Brushes.Black, brick7);
paper.DrawRectangle(Pens.Green, brick8);
paper.FillRectangle(Brushes.Green, brick8);
paper.DrawRectangle(Pens.Red, brick9);
paper.FillRectangle(Brushes.Red, brick9);
paper.DrawRectangle(Pens.Blue, brick10);
paper.FillRectangle(Brushes.Blue, brick10);
}
private void checkBatCollision()
{
if (ball.IntersectsWith(bat))
{
xChange = -xChange;
yChange = -yChange;
}
}
public void checkCollision()
{
if (ball.IntersectsWith(brick1))
{
brick1 = new Rectangle(0, 0, 0, 0);
score = score + 10;
yChange = -yChange;
}
if (ball.IntersectsWith(brick2))
{
brick2 = new Rectangle(0, 0, 0, 0);
score = score + 10;
yChange = -yChange;
}
if (ball.IntersectsWith(brick3))
{
brick3 = new Rectangle(0, 0, 0, 0);
score = score + 10;
yChange = -yChange;
}
if (ball.IntersectsWith(brick4))
{
brick4 = new Rectangle(0, 0, 0, 0);
score = score + 10;
yChange = -yChange;
}
if (ball.IntersectsWith(brick5))
{
brick5 = new Rectangle(0, 0, 0, 0);
score = score + 10;
yChange = -yChange;
}
if (ball.IntersectsWith(brick6))
{
brick6 = new Rectangle(0, 0, 0, 0);
score = score + 10;
yChange = -yChange;
}
if (ball.IntersectsWith(brick7))
{
brick7 = new Rectangle(0, 0, 0, 0);
score = score + 10;
yChange = -yChange;
}
if (ball.IntersectsWith(brick8))
{
brick8 = new Rectangle(0, 0, 0, 0);
score = score + 10;
yChange = -yChange;
}
if (ball.IntersectsWith(brick9))
{
brick9 = new Rectangle(0, 0, 0, 0);
score = score + 10;
yChange = -yChange;
}
if (ball.IntersectsWith(brick10))
{
brick10 = new Rectangle(0, 0, 0, 0);
score = score + 10;
yChange = -yChange;
}
}
private void picMainGame_Click(object sender, EventArgs e)
{
}
private void btnCredit_Click(object sender, EventArgs e)
{
if (lives == 0)
{
lives = lives + 5;
lblLives.Text = Convert.ToString(lives);
btnCredit.Enabled = false;
}
}
private void btnDisplayBricks_Click(object sender, EventArgs e)
{
if (lives == 0)
{
MessageBox.Show("Insert Credit to play!");
}
else
{
createBricks();
drawBricks();
btnLaunch.Enabled = true;
}
}
private void btnLaunch_Click(object sender, EventArgs e)
{
ballX = 100;
ballY = 150;
xChange = -7;
yChange = -7;
timer1.Enabled = true;
}
private void btnPause_Click(object sender, EventArgs e)
{
if (timer1.Enabled == false)
timer1.Enabled = true;
else
{
timer1.Enabled = false;
}
}
private void timer1_Tick(object sender, EventArgs e)
{
paper.Clear(Color.Silver);
drawBat();
drawBall();
drawBricks();
moveBall();
checkBatCollision();
checkCollision();
btnLaunch.Enabled = false;
btnPause.Enabled = true;
btnDisplayBricks.Enabled = false;
}
private void picMainGame_Click_1(object sender, EventArgs e)
{
}
}
}
答案 0 :(得分：0)
这么多东西。
在内存中表示球和砖是否更容易，然后每隔一段时间绘制其状态的表示？
通过您当前的实现，您还可以通过将精灵（球）保持为单独的图像并在需要的位置移动它来提高性能。
在一个平原上绘制所有内容只有在精灵/球的数量非常大的情况下才有用。
还有其他各种问题也可归因于您的错误，例如元素的大小与屏幕上的大小，因此表示有助于实现分辨率缩放。
希望有帮助