CreateFromAxisAngle() [2/2]

static Matrix Microsoft.Xna.Framework.Matrix.CreateFromAxisAngle ( Vector3 axis, float angle )

inlinestatic

Definition at line 792 of file Matrix.cs.

    {
        float x = axis.X;
        float y = axis.Y;
        float z = axis.Z;
        float num = (float)Math.Sin(angle);
        float num2 = (float)Math.Cos(angle);
        float num3 = x * x;
        float num4 = y * y;
        float num5 = z * z;
        float num6 = x * y;
        float num7 = x * z;
        float num8 = y * z;
        Matrix result = default(Matrix);
        result.M11 = num3 + num2 * (1f - num3);
        result.M12 = num6 - num2 * num6 + num * z;
        result.M13 = num7 - num2 * num7 - num * y;
        result.M14 = 0f;
        result.M21 = num6 - num2 * num6 - num * z;
        result.M22 = num4 + num2 * (1f - num4);
        result.M23 = num8 - num2 * num8 + num * x;
        result.M24 = 0f;
        result.M31 = num7 - num2 * num7 + num * y;
        result.M32 = num8 - num2 * num8 - num * x;
        result.M33 = num5 + num2 * (1f - num5);
        result.M34 = 0f;
        result.M41 = 0f;
        result.M42 = 0f;
        result.M43 = 0f;
        result.M44 = 1f;
        return result;
    }

References System.Math.Cos(), System.Math.Sin(), Microsoft.Xna.Framework.Vector3.X, Microsoft.Xna.Framework.Vector3.Y, and Microsoft.Xna.Framework.Vector3.Z.