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implemented feature #1020 (Matrix.CreateFromQuaternion)

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Glatzemann 2012-09-28 07:14:29 +00:00 committed by Konstantin Koch
parent d8c0b96121
commit 431fc9d8c1
1 changed files with 26 additions and 1 deletions
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27
ANX.Framework/Matrix.cs
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@ -545,7 +545,32 @@ namespace ANX.Framework
public static void CreateFromQuaternion(ref Quaternion quaternion, out Matrix result)
{
throw new NotImplementedException();
float xx = quaternion.X * quaternion.X;
float xy = quaternion.X * quaternion.Y;
float xz = quaternion.X * quaternion.Z;
float xw = quaternion.X * quaternion.W;
float yy = quaternion.Y * quaternion.Y;
float yz = quaternion.Y * quaternion.Z;
float yw = quaternion.Y * quaternion.W;
float zz = quaternion.Z * quaternion.Z;
float zw = quaternion.Z * quaternion.W;
result.M11 = 1 - 2 * (yy + zz);
result.M12 = 2 * (xy + zw);
result.M13 = 2 * (xz - yw);
result.M14 = 0;
result.M21 = 2 * (xy - zw);
result.M22 = 1 - 2 * (xx + zz);
result.M23 = 2 * (yz + xw);
result.M24 = 0;
result.M31 = 2 * (xz + yw);
result.M32 = 2 * (yz - xw);
result.M33 = 1 - 2 * (xx + yy);
result.M34 = 0;
result.M41 = 0;
result.M42 = 0;
result.M43 = 0;
result.M44 = 1;
}
public static Matrix CreateFromYawPitchRoll(float yaw, float pitch, float roll)