66 lines
2.0 KiB
C#
66 lines
2.0 KiB
C#
using System.ComponentModel.DataAnnotations;
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using System.Drawing;
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using System.Numerics;
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namespace Dashboard
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{
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public readonly record struct Box2d(Vector2 Min, Vector2 Max)
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{
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public float Left => Min.X;
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public float Right => Max.X;
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public float Top => Min.Y;
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public float Bottom => Max.Y;
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public Vector2 Size => Max - Min;
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public Vector2 Center => (Min + Max) * 0.5f;
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public Box2d(RectangleF rectangle)
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: this(new Vector2(rectangle.Left, rectangle.Top), new Vector2(rectangle.Right, rectangle.Bottom))
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{
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}
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public Box2d(float x0, float y0, float x1, float y1)
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: this(new Vector2(x0, y0), new Vector2(x1, y1))
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{
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}
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public static Box2d FromPositionAndSize(Vector2 position, Vector2 size, Origin anchor = Origin.Center)
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{
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Vector2 half = size * 0.5f;
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switch (anchor)
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{
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case Origin.Center:
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return new Box2d(position - half, position + half);
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case Origin.TopLeft:
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return new Box2d(position, position + size);
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default:
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throw new NotImplementedException();
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}
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}
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public static Box2d Union(Box2d left, Box2d right)
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{
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Vector2 min = Vector2.Min(left.Min, right.Min);
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Vector2 max = Vector2.Max(left.Max, right.Max);
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return new Box2d(min, max);
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}
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public static Box2d Intersect(Box2d left, Box2d right)
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{
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Vector2 min = Vector2.Max(left.Min, right.Min);
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Vector2 max = Vector2.Min(left.Max, right.Max);
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return new Box2d(min, max);
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}
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public static explicit operator RectangleF(Box2d box2d)
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{
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return new RectangleF((PointF)box2d.Center, (SizeF)box2d.Size);
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}
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public static explicit operator Box2d(RectangleF rectangle)
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{
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return new Box2d(rectangle);
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}
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}
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}
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