实例介绍
【实例简介】
路径规划实例,绘图及算法实例
【实例截图】
【核心代码】
public void DrawPath()
{
AStarRoutePlanner aStarRoutePlanner = new AStarRoutePlanner();
IList<Point> obstaclePoints = new List<Point>();
for (int Y = 0; Y < Bmp.Height; Y )
for (int X = 0; X < Bmp.Width; X )
if (Bmp.GetPixel(X, Y).R == 0)
obstaclePoints.Add(new Point(X, Y));//添加障碍物位置
/*
obstaclePoints.Add(new Point(2, 4));
obstaclePoints.Add(new Point(3, 4));
obstaclePoints.Add(new Point(4, 4));
obstaclePoints.Add(new Point(5, 4));
obstaclePoints.Add(new Point(6, 4));
*/
aStarRoutePlanner.Initialize(obstaclePoints);
IList<Point> route = aStarRoutePlanner.Plan(
new Point(Convert.ToInt32(textBox_StartP_X.Text), Convert.ToInt32(textBox_StartP_Y.Text)),
new Point(Convert.ToInt32(textBox_EndP_X.Text), Convert.ToInt32(textBox_EndP_Y.Text)));
IList<Point> route1 = aStarRoutePlanner.Plan(new Point(400,10),new Point(300,20));
{
AStarRoutePlanner aStarRoutePlanner = new AStarRoutePlanner();
IList<Point> obstaclePoints = new List<Point>();
for (int Y = 0; Y < Bmp.Height; Y )
for (int X = 0; X < Bmp.Width; X )
if (Bmp.GetPixel(X, Y).R == 0)
obstaclePoints.Add(new Point(X, Y));//添加障碍物位置
/*
obstaclePoints.Add(new Point(2, 4));
obstaclePoints.Add(new Point(3, 4));
obstaclePoints.Add(new Point(4, 4));
obstaclePoints.Add(new Point(5, 4));
obstaclePoints.Add(new Point(6, 4));
*/
aStarRoutePlanner.Initialize(obstaclePoints);
IList<Point> route = aStarRoutePlanner.Plan(
new Point(Convert.ToInt32(textBox_StartP_X.Text), Convert.ToInt32(textBox_StartP_Y.Text)),
new Point(Convert.ToInt32(textBox_EndP_X.Text), Convert.ToInt32(textBox_EndP_Y.Text)));
IList<Point> route1 = aStarRoutePlanner.Plan(new Point(400,10),new Point(300,20));
int r_num = 0,min=0, max = 0;
if (route.Count > route1.Count)
{
max = route.Count;
min = route1.Count;
}
else
{
max = route1.Count;
min = route.Count;
}
if (route.Count > route1.Count)
{
max = route.Count;
min = route1.Count;
}
else
{
max = route1.Count;
min = route.Count;
}
while (true)
{
if (planning && (r_num < max) )
{
if (r_num < min)
{
Bmp.SetPixel(route[r_num].X, route[r_num].Y, Color.Green);
Bmp.SetPixel(route1[r_num].X, route1[r_num].Y, Color.Green);
}
else if(route.Count > route1.Count)
Bmp.SetPixel(route[r_num].X, route[r_num].Y, Color.Green);
else Bmp.SetPixel(route1[r_num].X, route1[r_num].Y, Color.Green);
pictureBox1.Image = Bmp;
// g.DrawLine(new Pen(Color.Red), new Point (route[r_num].X, route[r_num].Y), new Point(route[r_num 1].X,route[r_num 1].Y) );
// pictureBox1.Image = Bmp;
r_num ;
if (r_num == route.Count)
{
MessageBox.Show("结束");
g.Dispose();//释放画布资源
}
planning = false;
}
}
}
{
if (planning && (r_num < max) )
{
if (r_num < min)
{
Bmp.SetPixel(route[r_num].X, route[r_num].Y, Color.Green);
Bmp.SetPixel(route1[r_num].X, route1[r_num].Y, Color.Green);
}
else if(route.Count > route1.Count)
Bmp.SetPixel(route[r_num].X, route[r_num].Y, Color.Green);
else Bmp.SetPixel(route1[r_num].X, route1[r_num].Y, Color.Green);
pictureBox1.Image = Bmp;
// g.DrawLine(new Pen(Color.Red), new Point (route[r_num].X, route[r_num].Y), new Point(route[r_num 1].X,route[r_num 1].Y) );
// pictureBox1.Image = Bmp;
r_num ;
if (r_num == route.Count)
{
MessageBox.Show("结束");
g.Dispose();//释放画布资源
}
planning = false;
}
}
}
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