Example #1
0
File: Teki.cs Project: sinshu/dtf
 public override void Update()
 {
     if (waitCount > 0)
     {
         double newX = waitX + swingWidth * Utility.Sin(Game.Ticks * 8);
         double newY = waitY + swingHeight * Utility.Sin(Game.Ticks * 8);
         vx = newX - X;
         vy = newY - Y;
         X = newX;
         Y = newY;
         waitCount--;
     }
     if (waitCount == 0)
     {
         if (!attacking)
         {
             if (angle == 90)
             {
                 angle += Game.Random.Next(2) == 0 ? 1 : -1;
             }
             else
             {
                 int deg = Utility.NormalizeDeg(270 - angle);
                 if (Math.Abs(deg) < 8)
                 {
                     angle = 270;
                     attacking = true;
                 }
                 else
                 {
                     if (deg < 0)
                     {
                         angle -= 8;
                     }
                     else if (deg > 0)
                     {
                         angle += 8;
                     }
                 }
             }
             vx += 0.5 * Utility.Cos(angle);
             vy -= 0.5 * Utility.Sin(angle);
             Move();
         }
         else
         {
             if (X < Game.Player.X + playerXTraceOffset)
             {
                 vx += 0.25;
             }
             else if (X > Game.Player.X + playerXTraceOffset)
             {
                 vx -= 0.25;
             }
             vy += 0.25;
             Move();
             {
                 int deg = Utility.NormalizeDeg(Utility.Atan2(Y - Game.Player.Y, Game.Player.X - X) - angle);
                 if (deg == -180)
                 {
                     angle += Game.Random.Next(2) == 0 ? 1 : -1;
                 }
                 else if (Math.Abs(deg) < 4)
                 {
                     angle = Utility.Atan2(Y - Game.Player.Y, Game.Player.X - X);
                 }
                 else
                 {
                     if (deg < 0)
                     {
                         angle -= 4;
                     }
                     else if (deg > 0)
                     {
                         angle += 4;
                     }
                 }
             }
             if (fireCount > 0)
             {
                 fireCount--;
             }
             else if (!Game.Player.IsDead)
             {
                 Bullet bullet = new TekiBullet(Game, X + 32 * Utility.Cos(angle), Y - 32 * Utility.Sin(angle), 8, angle);
                 Game.AddEnemyBullet(bullet);
                 Game.PlaySound(Sound.EnemyFire);
                 playerXTraceOffset = Game.Random.Next(-96, 96 + 1);
                 fireCount = Game.Random.Next(30, 60);
             }
         }
     }
 }
Example #2
0
 public override void Update()
 {
     if (waitCount > 0)
     {
         double newX = waitX + swingWidth * Utility.Sin(Game.Ticks * 8);
         double newY = waitY + swingHeight * Utility.Sin(Game.Ticks * 8);
         vx = newX - X;
         vy = newY - Y;
         X  = newX;
         Y  = newY;
         waitCount--;
     }
     if (waitCount == 0)
     {
         if (!attacking)
         {
             if (angle == 90)
             {
                 angle += Game.Random.Next(2) == 0 ? 1 : -1;
             }
             else
             {
                 int deg = Utility.NormalizeDeg(270 - angle);
                 if (Math.Abs(deg) < 8)
                 {
                     angle     = 270;
                     attacking = true;
                 }
                 else
                 {
                     if (deg < 0)
                     {
                         angle -= 8;
                     }
                     else if (deg > 0)
                     {
                         angle += 8;
                     }
                 }
             }
             vx += 0.5 * Utility.Cos(angle);
             vy -= 0.5 * Utility.Sin(angle);
             Move();
         }
         else
         {
             if (X < Game.Player.X + playerXTraceOffset)
             {
                 vx += 0.25;
             }
             else if (X > Game.Player.X + playerXTraceOffset)
             {
                 vx -= 0.25;
             }
             vy += 0.25;
             Move();
             {
                 int deg = Utility.NormalizeDeg(Utility.Atan2(Y - Game.Player.Y, Game.Player.X - X) - angle);
                 if (deg == -180)
                 {
                     angle += Game.Random.Next(2) == 0 ? 1 : -1;
                 }
                 else if (Math.Abs(deg) < 4)
                 {
                     angle = Utility.Atan2(Y - Game.Player.Y, Game.Player.X - X);
                 }
                 else
                 {
                     if (deg < 0)
                     {
                         angle -= 4;
                     }
                     else if (deg > 0)
                     {
                         angle += 4;
                     }
                 }
             }
             if (fireCount > 0)
             {
                 fireCount--;
             }
             else if (!Game.Player.IsDead)
             {
                 Bullet bullet = new TekiBullet(Game, X + 32 * Utility.Cos(angle), Y - 32 * Utility.Sin(angle), 8, angle);
                 Game.AddEnemyBullet(bullet);
                 Game.PlaySound(Sound.EnemyFire);
                 playerXTraceOffset = Game.Random.Next(-96, 96 + 1);
                 fireCount          = Game.Random.Next(30, 60);
             }
         }
     }
 }