Transform() [6/8]

static void Microsoft.Xna.Framework.Vector2.Transform ( Vector2[] sourceArray, int sourceIndex, ref Quaternion rotation, Vector2[] destinationArray, int destinationIndex, int length )

inlinestatic

Definition at line 531 of file Vector2.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 * num3;
        float num5 = rotation.X * num;
        float num6 = rotation.X * num2;
        float num7 = rotation.Y * num2;
        float num8 = rotation.Z * num3;
        float num9 = 1f - num7 - num8;
        float num10 = num6 - num4;
        float num11 = num6 + num4;
        float num12 = 1f - num5 - num8;
        while (length > 0)
        {
            float x = sourceArray[sourceIndex].X;
            float y = sourceArray[sourceIndex].Y;
            destinationArray[destinationIndex].X = x * num9 + y * num10;
            destinationArray[destinationIndex].Y = x * num11 + y * num12;
            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.