max
30deeca452
added the moonworks ecs library. testing it by setting up a transform and parent system.
25 lines
1.3 KiB
C#
25 lines
1.3 KiB
C#
using Nerfed.Runtime.Components;
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using System.Numerics;
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namespace Nerfed.Runtime.Util
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{
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// https://github.com/needle-mirror/com.unity.entities/blob/master/Unity.Transforms/TransformHelpers.cs
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internal static class Transform
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{
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public static Vector3 Forward(in this Matrix4x4 matrix) => new Vector3(matrix.M31, matrix.M32, matrix.M33);
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public static Vector3 Back(in this Matrix4x4 matrix) => -matrix.Forward();
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public static Vector3 Up(in this Matrix4x4 matrix) => new Vector3(matrix.M21, matrix.M22, matrix.M23);
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public static Vector3 Down(in this Matrix4x4 matrix) => -matrix.Up();
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public static Vector3 Right(in this Matrix4x4 matrix) => new Vector3(matrix.M11, matrix.M12, matrix.M13);
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public static Vector3 Left(in this Matrix4x4 matrix) => -matrix.Right();
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//public static Vector3 Translation(in this Matrix4x4 matrix) => new Vector3();
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//public static Quaternion Rotation(in this Matrix4x4 matrix) => new Quaternion();
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public static Matrix4x4 TRS(in this LocalTransform localTransform)
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{
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return Matrix4x4.CreateScale(localTransform.scale) *
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Matrix4x4.CreateFromQuaternion(localTransform.rotation) *
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Matrix4x4.CreateTranslation(localTransform.position);
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}
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}
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} |