CreateFromQuaternion() [1/2]

static Matrix Microsoft.Xna.Framework.Matrix.CreateFromQuaternion ( Quaternion quaternion )

inlinestatic

Definition at line 1180 of file Matrix.cs.

    {
        float num = quaternion.X * quaternion.X;
        float num2 = quaternion.Y * quaternion.Y;
        float num3 = quaternion.Z * quaternion.Z;
        float num4 = quaternion.X * quaternion.Y;
        float num5 = quaternion.Z * quaternion.W;
        float num6 = quaternion.Z * quaternion.X;
        float num7 = quaternion.Y * quaternion.W;
        float num8 = quaternion.Y * quaternion.Z;
        float num9 = quaternion.X * quaternion.W;
        Matrix result = default(Matrix);
        result.M11 = 1f - 2f * (num2 + num3);
        result.M12 = 2f * (num4 + num5);
        result.M13 = 2f * (num6 - num7);
        result.M14 = 0f;
        result.M21 = 2f * (num4 - num5);
        result.M22 = 1f - 2f * (num3 + num);
        result.M23 = 2f * (num8 + num9);
        result.M24 = 0f;
        result.M31 = 2f * (num6 + num7);
        result.M32 = 2f * (num8 - num9);
        result.M33 = 1f - 2f * (num2 + num);
        result.M34 = 0f;
        result.M41 = 0f;
        result.M42 = 0f;
        result.M43 = 0f;
        result.M44 = 1f;
        return result;
    }

References Microsoft.Xna.Framework.Quaternion.W, Microsoft.Xna.Framework.Quaternion.X, Microsoft.Xna.Framework.Quaternion.Y, and Microsoft.Xna.Framework.Quaternion.Z.

Referenced by Microsoft.Xna.Framework.Matrix.CreateFromYawPitchRoll(), and Microsoft.Xna.Framework.Matrix.CreateFromYawPitchRoll().