C# (CSharp) EnemyEntity.GetAttackOffset示例

示例#1

        void defend()
        {
            var center = GetCenter();
            var data   = properties.UpgradeData;

            if (lockOnEnemy != null)
            {
                if (lockOnEnemy.IsRemoved)
                {
                    lockOnEnemy = null;
                    return;
                }

                var distance = Vector2.DistanceSquared(center, lockOnEnemy.Position);

                var min = properties.MinRange * properties.MinRange;
                var max = data.Range * data.Range;

                if (distance < min || distance > max)
                {
                    lockOnEnemy = null;
                    return;
                }

                var barrel = position + properties.GridOffset +
                             properties.BarrelOffset;

                var enemy = lockOnEnemy.GetAttackOffset();

                var angle = (float)Math.Atan2(barrel.Y - enemy.Y,
                                              barrel.X - enemy.X) + MathHelper.ToRadians(90);

                setTowerAngle(angle);
                shootBullet(enemy);
            }
            else
            {
                var enemies = world.GetEntitiesInRange(
                    center,
                    data.Range,
                    EntityType.AI);

                if (enemies.Count == 0)
                {
                    return;
                }

                lockOnEnemy = (EnemyEntity)enemies[0];
            }
        }