Transform() [14/16]

static void Microsoft.Xna.Framework.Vector4.Transform ( Vector4[] sourceArray, int sourceIndex, ref Quaternion rotation, Vector4[] destinationArray, int destinationIndex, int length )

inlinestatic

Definition at line 719 of file Vector4.cs.

    {
        if (sourceArray == null)
        {
            throw new ArgumentNullException("sourceArray");
        }
        if (destinationArray == null)
        {
            throw new ArgumentNullException("destinationArray");
        }
        if (sourceArray.Length < (long)sourceIndex + (long)length)
        {
            throw new ArgumentException(FrameworkResources.NotEnoughSourceSize);
        }
        if (destinationArray.Length < (long)destinationIndex + (long)length)
        {
            throw new ArgumentException(FrameworkResources.NotEnoughTargetSize);
        }
        float num = rotation.X + rotation.X;
        float num2 = rotation.Y + rotation.Y;
        float num3 = rotation.Z + rotation.Z;
        float num4 = rotation.W * num;
        float num5 = rotation.W * num2;
        float num6 = rotation.W * num3;
        float num7 = rotation.X * num;
        float num8 = rotation.X * num2;
        float num9 = rotation.X * num3;
        float num10 = rotation.Y * num2;
        float num11 = rotation.Y * num3;
        float num12 = rotation.Z * num3;
        float num13 = 1f - num10 - num12;
        float num14 = num8 - num6;
        float num15 = num9 + num5;
        float num16 = num8 + num6;
        float num17 = 1f - num7 - num12;
        float num18 = num11 - num4;
        float num19 = num9 - num5;
        float num20 = num11 + num4;
        float num21 = 1f - num7 - num10;
        while (length > 0)
        {
            float x = sourceArray[sourceIndex].X;
            float y = sourceArray[sourceIndex].Y;
            float z = sourceArray[sourceIndex].Z;
            float w = sourceArray[sourceIndex].W;
            destinationArray[destinationIndex].X = x * num13 + y * num14 + z * num15;
            destinationArray[destinationIndex].Y = x * num16 + y * num17 + z * num18;
            destinationArray[destinationIndex].Z = x * num19 + y * num20 + z * num21;
            destinationArray[destinationIndex].W = w;
            sourceIndex++;
            destinationIndex++;
            length--;
        }
    }

References System.destinationArray, System.destinationIndex, System.length, Microsoft.Xna.Framework.FrameworkResources.NotEnoughSourceSize, Microsoft.Xna.Framework.FrameworkResources.NotEnoughTargetSize, System.sourceArray, and System.sourceIndex.