Пример #1
0
        public override void Update(GameTime gameTime)
        {
            foreach (UnitParticle UP in unitParticles)
            {
                bool Below      = true;
                bool BelowRight = true;
                bool BelowLeft  = true;
                bool Right      = true;
                bool Left       = true;
                switch (UP.particleType)
                {
                case ParticleType.Sand:
                    foreach (UnitParticle UP2 in unitParticles)
                    {
                        if (Below)
                        {
                            Below = Below & !(UP.Position.Y + 1 == UP2.Position.Y);
                        }
                        if (BelowRight)
                        {
                            BelowRight = BelowRight & !((UP.Position + Vector2.One) == UP2.Position);
                        }
                        if (BelowLeft)
                        {
                            BelowLeft = BelowLeft & !((UP.Position + Vector2.UnitY - Vector2.UnitX) == UP2.Position);
                        }
                    }
                    break;

                case ParticleType.Water:
                    foreach (UnitParticle UP2 in unitParticles)
                    {
                        if (Below)
                        {
                            Below = Below & !(UP.Position + Vector2.UnitY == UP2.Position);
                        }
                        if (BelowRight)
                        {
                            BelowRight = BelowRight & !((UP.Position + Vector2.One) == UP2.Position);
                        }
                        if (BelowLeft)
                        {
                            BelowLeft = BelowLeft & !((UP.Position + Vector2.UnitY - Vector2.UnitX) == UP2.Position);
                        }
                        if (Right)
                        {
                            Right = Right & !(UP.Position + Vector2.UnitX == UP2.Position);
                        }
                        if (Left)
                        {
                            Left = Left & !(UP.Position - Vector2.UnitX == UP2.Position);
                        }
                    }
                    break;

                default:
                    break;
                }

                if (Below)
                {
                    UP.IncreaseUnitY();
                }
                else if (BelowRight)
                {
                    UP.IncreaseUnitX();
                    UP.IncreaseUnitY();
                }
                else if (BelowLeft)
                {
                    UP.DecreaseUnitX();
                    UP.IncreaseUnitY();
                }
                else if (Right && UP.particleType == ParticleType.Water)
                {
                    UP.IncreaseUnitX();
                }
                else if (Left && UP.particleType == ParticleType.Water)
                {
                    UP.DecreaseUnitX();
                }
            }
        }