将椭圆的链接列表更改为 C# 中的图像
Changing a linked list of Ellipses to images in c#
我用 c# wpf 制作了一个简单的贪吃蛇游戏 forms.The 问题是我将食物制作为椭圆，我想将其更改为苹果图像。
这是食物 class，我在其中指定了食物的 type/shape：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Shapes;
using System.Windows.Media;
using System.Windows.Controls;
namespace WpfApp1
{
class Food
{
public double x, y;
public Ellipse e = new Ellipse();
public Food(double x, double y)
{
this.x = x;
this.y = y;
}
public void setFoodPosition()
{
Random r = new Random();
if (Settings.size != 0)
e.Width = e.Height = Settings.g.Size;
else
e.Width = e.Height = 10;
e.Stroke = Brushes.Black;
e.Fill = new SolidColorBrush(Color.FromRgb((byte)r.Next(255), (byte)r.Next(255), (byte)r.Next(255))); ;
Canvas.SetLeft(e, x);
Canvas.SetTop(e, y);
}
}
}
有人知道我是怎么做到的吗？
将椭圆更改为没有描边的矩形，并用代表苹果的画笔填充它。
Apple 图片来自 xamalot
class Food
{
public double x, y;
public Rectangle e = new Rectangle();
private SolidColorBrush brush1 = (SolidColorBrush)(new BrushConverter().ConvertFrom("#FFB5121B"));
private SolidColorBrush brush2 = (SolidColorBrush)(new BrushConverter().ConvertFrom("#FF4F6E18"));
private DrawingBrush apple;
private double size = 20.0;
public Food(double x, double y)
{
this.x = x;
this.y = y;
GeometryDrawing a1 = new GeometryDrawing(brush1, null, Geometry.Parse("F1M513.300,368.290C513.300,368.290 530.719,179.903 449.429,135.387 368.139,90.871 273.945,91.516 273.945,91.516 273.945,91.516 228.783,79.903 216.526,80.548 204.269,81.193 125.559,84.419 68.784,142.484 12.009,200.549 4.268,237.322 6.849,285.064 9.430,332.806 34.590,438.613 34.590,438.613 34.590,438.613 70.074,516.677 76.526,521.839 82.978,527.001 122.333,570.871 149.429,576.678 176.525,582.485 234.590,580.549 248.138,578.614 261.686,576.679 339.106,581.194 366.848,576.033 394.590,570.872 475.881,490.870 490.720,461.193 505.559,431.516 513.300,368.290 513.300,368.290z"));
GeometryDrawing a2 = new GeometryDrawing(brush2, null, Geometry.Parse("F1M435.881,122.484L437.171,113.452 462.332,105.710 463.623,92.807C463.623,92.807 495.881,67.000 497.171,55.388 498.461,43.776 505.559,20.549 505.559,20.549L479.107,16.033C479.107,16.033 424.269,12.807 421.688,12.807 419.107,12.807 395.881,14.742 395.881,14.742L337.171,28.936 290.720,72.807 285.559,78.613 272.656,125.710 253.946,143.129 251.365,121.839C251.365,121.839 242.978,94.097 238.462,94.097 233.946,94.097 232.655,90.871 232.655,90.871L229.429,90.871 216.526,99.258 201.687,111.516 208.139,123.129C208.139,123.129 222.977,134.097 226.203,140.548 229.429,146.999 237.171,163.774 233.945,170.225 230.719,176.676 222.332,192.161 222.332,192.161L241.041,200.548C241.041,200.548 247.492,207.645 260.395,196.677 273.298,185.709 257.169,175.387 257.169,175.387 257.169,175.387 251.362,165.710 261.040,159.903 270.718,154.096 304.267,143.774 314.589,144.419 324.911,145.064 350.718,148.290 361.040,149.580 371.362,150.870 435.881,122.484 435.881,122.484z"));
GeometryDrawing a3 = new GeometryDrawing(Brushes.Black, null, Geometry.Parse("F1M128.784,96.677C148.139,88.935 174.369,81.601 174.369,81.601 192.987,77.160 211.565,75.052 230.540,78.296 243.012,80.428 260.740,87.167 273.042,86.000 279.480,78.644 278.052,68.304 283.253,60.448 289.458,51.076 294.940,59.933 294.042,67.000 298.067,54.331 338.001,6.529 351.082,18.709 355.593,22.908 420.671,2.572 431.042,0.000 431.254,3.071 430.920,6.071 430.042,9.000 447.617,12.292 466.476,8.608 484.313,10.769 491.850,11.682 502.369,18.105 509.042,12.000 510.861,24.711 509.113,25.330 507.578,37.200 505.575,52.679 495.643,69.019 484.589,79.747 481.237,83.199 477.389,85.950 473.042,88.000 476.148,95.075 479.028,93.481 472.860,101.040 465.707,109.805 455.381,113.436 445.042,117.000 443.998,125.386 466.546,138.834 471.035,145.778 474.307,150.839 498.550,187.608 495.042,187.000 507.285,204.943 506.970,226.532 513.235,245.733 522.462,274.010 518.921,309.492 517.366,338.795 516.019,364.167 516.886,390.178 509.973,413.289 507.449,421.729 494.598,479.776 483.041,479.000 465.660,528.203 414.718,579.661 361.111,583.683 329.023,586.090 297.163,578.453 265.041,583.000 228.602,589.404 195.545,594.889 159.306,584.585 109.315,570.372 66.443,528.234 48.386,479.739 36.691,448.332 21.452,420.930 14.912,387.631 10.008,362.661 8.375,340.614 3.621,315.216 -4.386,272.435 0.070,221.175 25.211,187.212 35.862,172.824 41.077,151.323 58.022,142.155 67.303,137.134 76.285,126.810 85.433,120.915 85.434,120.915 109.429,104.419 128.784,96.677z M414.042,64.000C426.498,46.435 406.256,32.395 410.042,15.000 397.805,14.493 376.430,18.708 370.022,30.011 365.638,37.745 365.836,46.995 363.872,55.425 361.380,66.117 354.186,75.110 352.042,86.000 372.512,78.557 395.099,75.228 414.042,64.000 M424.042,44.000C426.543,35.314 430.940,27.446 434.042,19.000 426.020,18.754 420.768,21.745 414.042,16.000 411.001,25.542 419.895,36.289 424.042,44.000 M486.042,19.000C472.684,19.179 444.659,13.770 437.010,24.751 430.706,33.800 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M216.042,124.000C221.159,124.441 233.190,128.531 232.042,118.000 229.843,121.464 215.554,118.883 216.042,124.000z M289.042,140.000C309.452,138.049 328.829,142.222 349.042,141.000 339.229,118.123 296.925,112.520 289.042,140.000 M364.042,142.000C366.373,146.741 373.152,140.349 375.042,139.000 365.356,138.139 356.896,132.194 347.042,132.000 348.719,138.333 357.071,149.190 364.042,142.000"));
DrawingGroup innerGroup = new DrawingGroup();
innerGroup.Children.Add(a3);
DrawingGroup outerGroup = new DrawingGroup();
outerGroup.Children.Add(a1);
outerGroup.Children.Add(a2);
outerGroup.Children.Add(innerGroup);
apple = new DrawingBrush();
apple.Drawing = outerGroup;
}
public void SetFoodPosition()
{
Random r = new Random();
if (size != 0)
e.Width = e.Height = size;
else
e.Width = e.Height = 10;
//e.Stroke = Brushes.Black;
e.Fill = apple;// new SolidColorBrush(Color.FromRgb((byte)r.Next(255), (byte)r.Next(255), (byte)r.Next(255))); ;
Canvas.SetLeft(e, x);
Canvas.SetTop(e, y);
}
}
如果图像文件中有苹果图像，则应将该文件添加到 Visual Studio 项目（例如，在名为 Images 的项目文件夹中）并将其构建操作设置为Resource.
然后您将通过 Resource File Pack URI 加载图像，并将其与 ImageBrush 一起用作矩形的填充画笔：
private Rectangle rect = new Rectangle();
...
rect.Fill = new ImageBrush(
new BitmapImage(new Uri("pack://application:,,,/Images/Apple.png")));
或者您使用图像元素而不是矩形：
private Image image = new Image();
...
image.Source = new BitmapImage(new Uri("pack://application:,,,/Images/Apple.png"));
我用 c# wpf 制作了一个简单的贪吃蛇游戏 forms.The 问题是我将食物制作为椭圆，我想将其更改为苹果图像。 这是食物 class，我在其中指定了食物的 type/shape：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Shapes;
using System.Windows.Media;
using System.Windows.Controls;
namespace WpfApp1
{
class Food
{
public double x, y;
public Ellipse e = new Ellipse();
public Food(double x, double y)
{
this.x = x;
this.y = y;
}
public void setFoodPosition()
{
Random r = new Random();
if (Settings.size != 0)
e.Width = e.Height = Settings.g.Size;
else
e.Width = e.Height = 10;
e.Stroke = Brushes.Black;
e.Fill = new SolidColorBrush(Color.FromRgb((byte)r.Next(255), (byte)r.Next(255), (byte)r.Next(255))); ;
Canvas.SetLeft(e, x);
Canvas.SetTop(e, y);
}
}
}
有人知道我是怎么做到的吗？
将椭圆更改为没有描边的矩形，并用代表苹果的画笔填充它。
Apple 图片来自 xamalot
class Food
{
public double x, y;
public Rectangle e = new Rectangle();
private SolidColorBrush brush1 = (SolidColorBrush)(new BrushConverter().ConvertFrom("#FFB5121B"));
private SolidColorBrush brush2 = (SolidColorBrush)(new BrushConverter().ConvertFrom("#FF4F6E18"));
private DrawingBrush apple;
private double size = 20.0;
public Food(double x, double y)
{
this.x = x;
this.y = y;
GeometryDrawing a1 = new GeometryDrawing(brush1, null, Geometry.Parse("F1M513.300,368.290C513.300,368.290 530.719,179.903 449.429,135.387 368.139,90.871 273.945,91.516 273.945,91.516 273.945,91.516 228.783,79.903 216.526,80.548 204.269,81.193 125.559,84.419 68.784,142.484 12.009,200.549 4.268,237.322 6.849,285.064 9.430,332.806 34.590,438.613 34.590,438.613 34.590,438.613 70.074,516.677 76.526,521.839 82.978,527.001 122.333,570.871 149.429,576.678 176.525,582.485 234.590,580.549 248.138,578.614 261.686,576.679 339.106,581.194 366.848,576.033 394.590,570.872 475.881,490.870 490.720,461.193 505.559,431.516 513.300,368.290 513.300,368.290z"));
GeometryDrawing a2 = new GeometryDrawing(brush2, null, Geometry.Parse("F1M435.881,122.484L437.171,113.452 462.332,105.710 463.623,92.807C463.623,92.807 495.881,67.000 497.171,55.388 498.461,43.776 505.559,20.549 505.559,20.549L479.107,16.033C479.107,16.033 424.269,12.807 421.688,12.807 419.107,12.807 395.881,14.742 395.881,14.742L337.171,28.936 290.720,72.807 285.559,78.613 272.656,125.710 253.946,143.129 251.365,121.839C251.365,121.839 242.978,94.097 238.462,94.097 233.946,94.097 232.655,90.871 232.655,90.871L229.429,90.871 216.526,99.258 201.687,111.516 208.139,123.129C208.139,123.129 222.977,134.097 226.203,140.548 229.429,146.999 237.171,163.774 233.945,170.225 230.719,176.676 222.332,192.161 222.332,192.161L241.041,200.548C241.041,200.548 247.492,207.645 260.395,196.677 273.298,185.709 257.169,175.387 257.169,175.387 257.169,175.387 251.362,165.710 261.040,159.903 270.718,154.096 304.267,143.774 314.589,144.419 324.911,145.064 350.718,148.290 361.040,149.580 371.362,150.870 435.881,122.484 435.881,122.484z"));
GeometryDrawing a3 = new GeometryDrawing(Brushes.Black, null, Geometry.Parse("F1M128.784,96.677C148.139,88.935 174.369,81.601 174.369,81.601 192.987,77.160 211.565,75.052 230.540,78.296 243.012,80.428 260.740,87.167 273.042,86.000 279.480,78.644 278.052,68.304 283.253,60.448 289.458,51.076 294.940,59.933 294.042,67.000 298.067,54.331 338.001,6.529 351.082,18.709 355.593,22.908 420.671,2.572 431.042,0.000 431.254,3.071 430.920,6.071 430.042,9.000 447.617,12.292 466.476,8.608 484.313,10.769 491.850,11.682 502.369,18.105 509.042,12.000 510.861,24.711 509.113,25.330 507.578,37.200 505.575,52.679 495.643,69.019 484.589,79.747 481.237,83.199 477.389,85.950 473.042,88.000 476.148,95.075 479.028,93.481 472.860,101.040 465.707,109.805 455.381,113.436 445.042,117.000 443.998,125.386 466.546,138.834 471.035,145.778 474.307,150.839 498.550,187.608 495.042,187.000 507.285,204.943 506.970,226.532 513.235,245.733 522.462,274.010 518.921,309.492 517.366,338.795 516.019,364.167 516.886,390.178 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M216.042,124.000C221.159,124.441 233.190,128.531 232.042,118.000 229.843,121.464 215.554,118.883 216.042,124.000z M289.042,140.000C309.452,138.049 328.829,142.222 349.042,141.000 339.229,118.123 296.925,112.520 289.042,140.000 M364.042,142.000C366.373,146.741 373.152,140.349 375.042,139.000 365.356,138.139 356.896,132.194 347.042,132.000 348.719,138.333 357.071,149.190 364.042,142.000"));
DrawingGroup innerGroup = new DrawingGroup();
innerGroup.Children.Add(a3);
DrawingGroup outerGroup = new DrawingGroup();
outerGroup.Children.Add(a1);
outerGroup.Children.Add(a2);
outerGroup.Children.Add(innerGroup);
apple = new DrawingBrush();
apple.Drawing = outerGroup;
}
public void SetFoodPosition()
{
Random r = new Random();
if (size != 0)
e.Width = e.Height = size;
else
e.Width = e.Height = 10;
//e.Stroke = Brushes.Black;
e.Fill = apple;// new SolidColorBrush(Color.FromRgb((byte)r.Next(255), (byte)r.Next(255), (byte)r.Next(255))); ;
Canvas.SetLeft(e, x);
Canvas.SetTop(e, y);
}
}
如果图像文件中有苹果图像，则应将该文件添加到 Visual Studio 项目（例如，在名为 Images 的项目文件夹中）并将其构建操作设置为Resource.
然后您将通过 Resource File Pack URI 加载图像，并将其与 ImageBrush 一起用作矩形的填充画笔：
private Rectangle rect = new Rectangle();
...
rect.Fill = new ImageBrush(
new BitmapImage(new Uri("pack://application:,,,/Images/Apple.png")));
或者您使用图像元素而不是矩形：
private Image image = new Image();
...
image.Source = new BitmapImage(new Uri("pack://application:,,,/Images/Apple.png"));