68 lines
2.4 KiB
C#
68 lines
2.4 KiB
C#
using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Media;
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using System.Windows.Shapes;
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namespace PamhagenSysCtrl.Helpers.Pipeline {
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public class Pump : INode {
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public const double DIAMETER = 24;
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public double CenterX { get; set; }
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public double CenterY { get; set; }
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public string Label { get; set; }
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public ISet<IEdge> Inputs { get; init; }
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public ISet<IEdge> Outputs { get; init; }
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private Shape? _circle;
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private Shape? _triangle;
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private TextBlock? _text;
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public Pump(string label, double x, double y) {
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CenterX = x;
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CenterY = y;
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Label = label;
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Inputs = new HashSet<IEdge>();
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Outputs = new HashSet<IEdge>();
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}
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public void Draw(Canvas canvas) {
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_circle = new Ellipse() {
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Height = DIAMETER,
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Width = DIAMETER,
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Fill = Brushes.WhiteSmoke,
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Stroke = Brushes.Black,
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StrokeThickness = 2,
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};
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var dx = Math.Cos(Math.PI / 6) * (DIAMETER / 2 - 2);
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var dy = Math.Sin(Math.PI / 6) * (DIAMETER / 2 - 2);
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_triangle = new Polygon() {
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Points = [new(CenterX - dx, CenterY - dy), new(CenterX + dx, CenterY - dy), new(CenterX, CenterY + DIAMETER / 2 - 2)],
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Fill = Brushes.Transparent,
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Stroke = Brushes.Black,
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StrokeThickness = 2,
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};
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_text = new() {
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Text = Label,
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FontSize = 14,
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TextAlignment = TextAlignment.Left,
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VerticalAlignment = VerticalAlignment.Center,
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};
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_circle.SetValue(Canvas.LeftProperty, CenterX - DIAMETER / 2);
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_circle.SetValue(Canvas.TopProperty, CenterY - DIAMETER / 2);
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_text.SetValue(Canvas.LeftProperty, CenterX + DIAMETER / 2 + 2);
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_text.SetValue(Canvas.TopProperty, CenterY - 10);
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canvas.Children.Add(_circle);
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canvas.Children.Add(_triangle);
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canvas.Children.Add(_text);
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}
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public bool Update(double x, double y, bool down) {
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var hover = Math.Sqrt(Math.Pow(CenterX - x, 2) + Math.Pow(CenterY - y, 2)) <= DIAMETER / 2;
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_circle?.Fill = hover ? Brushes.LightGray : Brushes.WhiteSmoke;
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return hover;
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}
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}
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}
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