Aurora.ScriptEngine.AuroraDotNetEngine.APIs.LSL_Api.SetPrimitiveBlockShapeParams C# (CSharp) Метод

        protected ObjectShapePacket.ObjectDataBlock SetPrimitiveBlockShapeParams(ISceneChildEntity part, int holeshape, LSL_Vector cut, float hollow, LSL_Vector twist)
        {
            ObjectShapePacket.ObjectDataBlock shapeBlock = new ObjectShapePacket.ObjectDataBlock();

            if (holeshape != (int)ScriptBaseClass.PRIM_HOLE_DEFAULT &&
                holeshape != (int)ScriptBaseClass.PRIM_HOLE_CIRCLE &&
                holeshape != (int)ScriptBaseClass.PRIM_HOLE_SQUARE &&
                holeshape != (int)ScriptBaseClass.PRIM_HOLE_TRIANGLE)
            {
                holeshape = ScriptBaseClass.PRIM_HOLE_DEFAULT;
            }
            shapeBlock.ProfileCurve = (byte)holeshape;
            if (cut.x < 0f)
            {
                cut.x = 0f;
            }
            if (cut.x > 1f)
            {
                cut.x = 1f;
            }
            if (cut.y < 0f)
            {
                cut.y = 0f;
            }
            if (cut.y > 1f)
            {
                cut.y = 1f;
            }
            if (cut.y - cut.x < 0.05f)
            {
                cut.x = cut.y - 0.05f;
                if (cut.x < 0.0f)
                {
                    cut.x = 0.0f;
                    cut.y = 0.05f;
                }
            }
            shapeBlock.ProfileBegin = (ushort)(50000 * cut.x);
            shapeBlock.ProfileEnd = (ushort)(50000 * (1 - cut.y));
            if (hollow < 0f)
            {
                hollow = 0f;
            }
            if (hollow > 0.95)
            {
                hollow = 0.95f;
            }
            shapeBlock.ProfileHollow = (ushort)(50000 * hollow);
            if (twist.x < -1.0f)
            {
                twist.x = -1.0f;
            }
            if (twist.x > 1.0f)
            {
                twist.x = 1.0f;
            }
            if (twist.y < -1.0f)
            {
                twist.y = -1.0f;
            }
            if (twist.y > 1.0f)
            {
                twist.y = 1.0f;
            }
            // A fairly large precision error occurs for some calculations,
            // if a float or double is directly cast to a byte or sbyte
            // variable, in both .Net and Mono. In .Net, coding
            // "(sbyte)(float)(some expression)" corrects the precision
            // errors. But this does not work for Mono. This longer coding
            // form of creating a tempoary float variable from the
            // expression first, then casting that variable to a byte or
            // sbyte, works for both .Net and Mono. These types of
            // assignments occur in SetPrimtiveBlockShapeParams and
            // SetPrimitiveShapeParams in support of llSetPrimitiveParams.
            float tempFloat = (float)(100.0d * twist.x);
            shapeBlock.PathTwistBegin = (sbyte)tempFloat;
            tempFloat = (float)(100.0d * twist.y);
            shapeBlock.PathTwist = (sbyte)tempFloat;

            shapeBlock.ObjectLocalID = part.LocalId;

            // retain pathcurve
            shapeBlock.PathCurve = part.Shape.PathCurve;

            part.Shape.SculptEntry = false;
            return shapeBlock;
        }