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| using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Text;
using System.Text;
using System.Windows.Forms;
namespace Graphic
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
public void DrawGraphic()
{
int t, z, t0, z0;
GenericFontFamilies a = new GenericFontFamilies();
FontFamily FF = new FontFamily(a);
Font f = new Font(FF,12);
Gr = Graphics.FromImage(Ball);
Gr.DrawString("^y", f, black_br, 244, -3);
Gr.DrawString(">", f, black_br, 488, 141);
Gr.DrawString("x", f, black_br, 490, 150);
Gr.DrawLine(black_p, 250, 0, 250, 300);
Gr.DrawLine(black_p, 50, 150, 500, 150);
t0 =50;
z0 = 160;
for (t = t0; t < 500; t++)
{
z = Convert.ToInt16(x*x);
Gr.DrawLine(black_p, t0, z0, t, z);
t0 = t;
z0 = z;
}
}
Graphics Gr;
Bitmap Ball = new Bitmap(500, 300);
SolidBrush black_br = new SolidBrush(Color.Blue);
SolidBrush control_br = new SolidBrush(Color.FromKnownColor(KnownColor.Control));
SolidBrush green_br = new SolidBrush(Color.Red);
Pen black_p = new Pen(Color.Blue);
Pen red_p = new Pen(Color.Red);
int x, y, x0, y0;
private void button1_Click(object sender, EventArgs e)
{
x0 = 10;
y0 = 10;
x = x0;
switch (trackBar1.Value) //задание скорости
{
case 1: timer1.Interval = 250; break;
case 2: timer1.Interval = 200; break;
case 3: timer1.Interval = 150; break;
case 4: timer1.Interval = 100; break;
case 5: timer1.Interval = 50; break;
case 6: timer1.Interval = 1; break;
}
timer1.Enabled = true; //начало движения
}
private void button3_Click(object sender, EventArgs e)
{
Application.Exit();
}
private void timer1_Tick(object sender, EventArgs e)
{
Gr.FillEllipse(control_br, x0 - 10, y0 - 10, 20, 20); //закрашивание старого положения шарика
x++;
y = Convert.ToInt16(x*x); //новые координаты
x0 = x;
y0 = y;
DrawGraphic();
Gr.FillEllipse(green_br, x - 10, y - 10, 20, 20); //рисование нового положения шарика
pictureBox1.Image = Ball;
if (x>520)
timer1.Enabled=false;
}
private void Form1_Load(object sender, EventArgs e)
{
Gr = Graphics.FromImage(Ball);
DrawGraphic();
pictureBox1.Image = Ball;
}
private void pictureBox1_Click(object sender, EventArgs e)
{
}
}
} |
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