protected override void OnPaint(PaintEventArgs e)
{
// 获取当前窗体的坐标
Rectangle rect = this.Bounds;
// 网格的列数
col = rect.Width / xs;
// 网格的行数
row = rect.Height / xs;
//this.Height = col * xs;
//this.Width = row * xs + 6;
int drawRow = 0;
int drawCol = 0;
// 实例化画笔。
Pen p = new Pen(Brushes.LightBlue);
// 设置画笔的样式(虚线)。
p.DashStyle = System.Drawing.Drawing2D.DashStyle.Solid;
// 画水平线
for (int i = 0; i <= row; i++)
{
e.Graphics.DrawLine(p, 0, drawCol, rect.Width, drawCol);
drawCol += xs;
}
// 画垂直线
for (int j = 0; j <= col; j++)
{
e.Graphics.DrawLine(p, drawRow, 0, drawRow, drawCol);
drawRow += xs;
}
if (load == 1)
{
all = new int[row, col];
point = new Point[row, col];
direct = new int[row, col];
for (int i = 0; i < row; i++)
{
for (int j = 0; j < col; j++)
{
all[i, j] = 0;
direct[i, j] = 3;
point[i, j] = new Point(i * xs, j * xs);
}
}
all[0, 0] = 1; // means snake self
load = 0;
list.Add(new Point(0, 0));
set_direct();
}
else
{
int ret = produce_food();
if (ret == 1)
{
food_status = 1;
}
check_food();
label1.Text = food_cur.ToString();
show(e.Graphics);
move();
}
}
