Multiply() [4/4]

static void Microsoft.Xna.Framework.Quaternion.Multiply ( ref Quaternion quaternion1, ref Quaternion quaternion2, out Quaternion result )

inlinestatic

Definition at line 551 of file Quaternion.cs.

    {
        float x = quaternion1.X;
        float y = quaternion1.Y;
        float z = quaternion1.Z;
        float w = quaternion1.W;
        float x2 = quaternion2.X;
        float y2 = quaternion2.Y;
        float z2 = quaternion2.Z;
        float w2 = quaternion2.W;
        float num = y * z2 - z * y2;
        float num2 = z * x2 - x * z2;
        float num3 = x * y2 - y * x2;
        float num4 = x * x2 + y * y2 + z * z2;
        result.X = x * w2 + x2 * w + num;
        result.Y = y * w2 + y2 * w + num2;
        result.Z = z * w2 + z2 * w + num3;
        result.W = w * w2 - num4;
    }