-
Notifications
You must be signed in to change notification settings - Fork 0
/
Form1.cs
120 lines (106 loc) · 3.67 KB
/
Form1.cs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
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 Graphics_Assignments
{
public partial class Form1 : Form
{
Bitmap off;
Timer t = new Timer();
List<PolarCircle> arcs = new List<PolarCircle>();
DDALine line;
PointF selectorS;
PointF selectorE;
int numberOfSlices = 8;
int whichArc = -1;
bool startCutting = false;
public Form1()
{
InitializeComponent();
this.Paint += Form1_Paint;
this.MouseDown += Form1_MouseDown;
this.KeyDown += Form1_KeyDown;
t.Tick += T_Tick;
t.Start();
}
private void Form1_KeyDown(object sender, KeyEventArgs e)
{
if(e.KeyCode == Keys.Right)
{
startCutting = false;
whichArc++;
if (whichArc >= arcs.Count) { whichArc = 0; }
selectorE = arcs[whichArc].getLocationInCircle(arcs[whichArc], 450, "middle");
}
else if(e.KeyCode == Keys.Left)
{
startCutting = false;
whichArc--;
if (whichArc < 0) { whichArc = arcs.Count - 1; }
selectorE = arcs[whichArc].getLocationInCircle(arcs[whichArc], 450, "middle");
}
if(e.KeyCode == Keys.Space)
{
if (!startCutting && whichArc != -1)
{
startCutting = true;
line = new DDALine(selectorS.X, selectorS.Y, selectorE.X, selectorE.Y);
}
}
}
private void Form1_Load(object sender, EventArgs e)
{
off = new Bitmap(this.Width, this.Height);
createTheCircle();
selectorS = new PointF(this.Width / 2, this.Height / 2);
selectorE = new PointF(this.Width / 2, this.Height / 2);
}
private void Form1_Paint(object sender, PaintEventArgs e)
{
drawDouble(e.Graphics);
}
private void Form1_MouseDown(object sender, MouseEventArgs e)
{
}
private void T_Tick(object sender, EventArgs e)
{
if(startCutting && !line.flagStop)
{
arcs[whichArc].xc = line.getNextPoint(arcs[whichArc].xc, arcs[whichArc].yc, 15).X;
arcs[whichArc].yc = line.getNextPoint(arcs[whichArc].xc, arcs[whichArc].yc, 15).Y;
}
drawDouble(this.CreateGraphics());
}
void createTheCircle()
{
int angle = 0;
for (int i = 0; i < numberOfSlices; i++)
{
arcs.Add(new PolarCircle(this.Width / 2, this.Height / 2, 300, angle, angle + 45));
angle += 45;
}
}
void drawScene(Graphics g)
{
g.Clear(Color.Black);
Brush[] b = { Brushes.Blue , Brushes.Green , Brushes.Yellow , Brushes.Red , Brushes.Indigo , Brushes.Cyan, Brushes.Orange, Brushes.LightCoral};
for (int i = 0; i < numberOfSlices; i++)
{
arcs[i].drawCircle(g, 0.1F, b[i]);
}
g.DrawLine(Pens.Gray, selectorS, selectorE);
}
void drawDouble(Graphics g)
{
Graphics g2 = Graphics.FromImage(off);
drawScene(g2);
g.DrawImage(off, 0, 0);
}
}
}