每次我尝试在此游戏中添加新线或移动桨时,屏幕都会闪烁。
移动拨片或添加线条时如何防止屏幕闪烁?
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace WindowsFormsApplication2
{
public partial class GameTest : Form
{
int dx=3, dy=3, i =500, o = 100;
int rex = 400, rey = 450 ;
double c =0;
public GameTest()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
Graphics g = this.CreateGraphics();
Invalidate();
}
private void Form1_KeyDown(object sender, KeyEventArgs e)
{
Graphics g = this.CreateGraphics();
if (e.KeyCode == Keys.Left)
{
//Graphics g = this.CreateGraphics();
Invalidate();
Brush black = new SolidBrush(Color.White);
g.FillRectangle(black, rex, rey, 200, 20);
rex -= 40;
Brush red = new SolidBrush(Color.Green);
g.FillRectangle(red, rex, rey, 200, 20);
}
if (e.KeyCode == Keys.Right)
{
//Graphics g = this.CreateGraphics();
Brush white = new SolidBrush(Color.White);
g.FillRectangle(white, rex, rey, 200, 20);
rex += 40;
Brush red = new SolidBrush(Color.Green);
g.FillRectangle(red, rex, rey, 200, 20);
}
}
private void Form1_Paint(object sender, PaintEventArgs e)
{
DoubleBuffered = false;
Graphics g = this.CreateGraphics();
// Bitmap bmp1 = new Bitmap("G:\c#\Bouncing ball\Pic.jpg");
//TextureBrush tb2 = new TextureBrush(bmp1);
Brush green = new SolidBrush(Color.Green);
g.FillRectangle(green, rex, rey, 200, 20);
Graphics b= this.CreateGraphics();
Brush red = new SolidBrush(Color.Red);
b.FillEllipse(red, i, o, 20, 20);
Pen p = new Pen(Color.Black, 10);
//
g.DrawLine(p, 1000, 480,0,480);
g.DrawLine(p, 1000, 485, 1000, 0);
g .DrawLine(p, 0,480, 0, 0);
}
private void timer1_Tick(object sender, EventArgs e)
{
DoubleBuffered = false;
// int dx=3, dy=3, i = 300, o = 50;
i += dx;
if (i < 0)
{
dx = -dx;
}
else if (i + 50 > 1000)
{
dx = -dx;
}
o += dy;
if ((o +20>= rey) &&(i+20<=rex+200)&&(i+20>=rex))
{
//int rex = 400, rey = 450; RECTANGLE
// int dx=3, dy=3, i(x) = 500, o(y) = 100;
dy =-dy;
//c++;
//label1.Text = c.ToString();
}
// Misgeret\\
if (o < 0)
{
dy = -dy;
}
// Misgeret\\
else if (o + 50 > 600)
{
dy = -dy;
}
this.Invalidate();
}
private void label1_Click(object sender, EventArgs e)
{
label1.Text = c.ToString();
}
}
}