46 lines
1.4 KiB
C#
46 lines
1.4 KiB
C#
namespace Syntriax.Engine.Physics2D.Primitives;
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public record Projection(float Min, float Max)
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{
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public static bool Overlaps(Projection left, Projection right) => Overlaps(left, right, out var _);
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public static bool Overlaps(Projection left, Projection right, out float depth)
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{
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// TODO Try to improve this
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bool rightMinInLeft = right.Min > left.Min && right.Min < left.Max;
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if (rightMinInLeft)
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{
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depth = left.Max - right.Min;
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return true;
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}
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bool rightMaxInLeft = right.Max < left.Max && right.Max > left.Min;
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if (rightMaxInLeft)
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{
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depth = left.Min - right.Max;
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return true;
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}
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bool leftMinInRight = left.Min > right.Min && left.Min < right.Max;
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if (leftMinInRight)
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{
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depth = right.Max - left.Min;
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return true;
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}
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bool leftMaxInRight = left.Max < right.Max && left.Max > right.Min;
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if (leftMaxInRight)
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{
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depth = right.Min - left.Max;
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return true;
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}
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depth = 0f;
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return false;
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}
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}
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public static class ProjectionExtensions
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{
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public static bool Overlaps(this Projection left, Projection right) => Projection.Overlaps(left, right);
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public static bool Overlaps(this Projection left, Projection right, out float depth) => Projection.Overlaps(left, right, out depth);
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}
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