600 Games/600games.iso/Nave/rocket_rush.swf/scripts/__Packages/EnemyAI.as

Text File | 2007-03-20 | 6.0 KB | 224 lines

class EnemyAI extends TargetPosition
{
   var fire_count;
   var extra_z;
   var extra_x;
   var extra_y;
   var target_clip;
   var onEnterFrame;
   var blast_left;
   var blast_right;
   var color;
   var speed_x = 0;
   var speed_y = 0;
   var speed_z = 0;
   var air_resistance_factor = 0.4;
   var air_resistance_factor_xy = 0.05;
   var fire_left = true;
   var has_missiles = false;
   static var missiles_out = 0;
   var health = 100;
   function EnemyAI()
   {
      super();
      this.fire_count = Math.random() * 5;
      this.extra_z = Math.random() * 200;
      this.extra_x = Math.random() * 600 - 300;
      this.extra_y = Math.random() * 600 - 300;
      this.target_clip = this._parent.player;
      this.onEnterFrame = function()
      {
         if(!_global.game_paused && this._parent == _root.airspace)
         {
            if(this._x > 0 && this._x < 550)
            {
               if(this.whited_out)
               {
                  this.unWhite();
                  this.whited_out = null;
               }
               else if(this.whited_out == null)
               {
                  this.whited_out = false;
               }
               this.fireCannon();
               if(Math.random() < 0.015 && this.has_missiles)
               {
                  this.fireMissile();
               }
               this.followTarget();
               this.keepApart();
               this.moveX();
               this.moveY();
               this.moveZ();
            }
         }
      };
   }
   function fireCannon()
   {
      if(this.fire_count++ > 5)
      {
         this.fire_count = 0;
         if(this.fire_left)
         {
            this.blast_left._visible = true;
            this.blast_left.gotoAndPlay(2);
         }
         else
         {
            this.blast_right._visible = true;
            this.blast_right.gotoAndPlay(2);
         }
         this.fire_left = !this.fire_left;
         this.shootCannon();
      }
      else
      {
         this.blast_left.gotoAndStop(1);
         this.blast_right.gotoAndStop(1);
      }
   }
   function shootCannon()
   {
      var _loc5_ = this.distance2D(this.target_clip);
      var _loc2_ = this.posZ - this.target_clip.posZ;
      var _loc3_ = 60 / _loc5_ * (600 / _loc2_);
      var _loc4_ = Math.random() * _loc3_;
      if(_loc4_ > 0.3)
      {
         this.target_clip.getShot();
      }
   }
   function fireMissile()
   {
      if(EnemyAI.missiles_out < 4)
      {
         EnemyAI.missiles_out = EnemyAI.missiles_out + 1;
         var _loc2_ = this._parent.attachMovie("enemy_missile","missile" + this._parent.objects.length,-1000 + this._parent.objects.length);
         _loc2_.launch(this,this.target_clip,50,this.speed_z);
         this._parent.addObject(_loc2_);
      }
   }
   function followTarget()
   {
      var _loc2_ = this.distance2D(this.target_clip);
      var _loc3_ = this.posZ - (this.target_clip.posZ + 800 + this.extra_z);
      var _loc4_ = 1 - 2 * (this.posX > this.target_clip.posX);
      var _loc5_ = 1 - 2 * (this.posY > this.target_clip.posY);
      this.accelerateX(_loc4_ * (_loc2_ + this.extra_x) / 200);
      this.accelerateY(_loc5_ * (_loc2_ + this.extra_y) / 200);
      this.accelerateZ((- _loc3_) / 70);
   }
   function keepApart()
   {
      for(var _loc7_ in this._parent.enemies)
      {
         if(this._parent.enemies[_loc7_] != this && this._parent.enemies[_loc7_]._x > 0 && this._parent.enemies[_loc7_]._x < 550)
         {
            var _loc4_ = this.distance2D(this._parent.enemies[_loc7_]);
            var _loc5_ = 1 - 2 * (this.posX < this._parent.enemies[_loc7_].posX);
            var _loc6_ = 1 - 2 * (this.posY < this._parent.enemies[_loc7_].posY);
            var _loc3_ = _loc5_ * 150 / _loc4_;
            var _loc2_ = _loc6_ * 150 / _loc4_;
            this.accelerateX(_loc3_ * _loc3_ * _loc3_);
            this.accelerateY(_loc2_ * _loc2_ * _loc2_);
         }
      }
   }
   function getMissiled()
   {
      this.whiteOut();
      this.reduceHealth(70);
   }
   function whiteOut()
   {
      if(this.whited_out == false)
      {
         this.color.setTransform(this.white);
         this.whited_out = true;
      }
   }
   function getShot()
   {
      this.whiteOut();
      this.reduceHealth(5.5);
   }
   function reduceHealth(p_ammount)
   {
      this.health -= p_ammount;
      if(this.health <= 0)
      {
         this.die();
      }
   }
   function die()
   {
      this._parent.goodComment();
      this._parent.enemies_killed = this._parent.enemies_killed + 1;
      this.unWhite();
      this.getShot = function()
      {
      };
      this.getMissiled = function()
      {
      };
      this.onEnterFrame = function()
      {
         if(!_global.game_paused)
         {
            if(this._x > 0 && this._x < 550)
            {
               this.moveX();
               this.moveY();
               this.moveZ();
            }
         }
      };
      this.gotoAndStop(2);
   }
   function moveX()
   {
      this.pos_x += this.speed_x;
      if(this.speed_x > 20)
      {
         this.speed_x = 20;
      }
      else if(this.speed_x < -20)
      {
         this.speed_x = -20;
      }
   }
   function moveY()
   {
      this.pos_y += this.speed_y;
      if(this.speed_y > 20)
      {
         this.speed_y = 20;
      }
      else if(this.speed_y < -20)
      {
         this.speed_y = -20;
      }
   }
   function moveZ()
   {
      this.pos_z += this.speed_z;
   }
   function accelerateX(p_a)
   {
      this.speed_x += p_a;
      this.speed_x -= this.speed_x * this.air_resistance_factor_xy;
   }
   function accelerateY(p_a)
   {
      this.speed_y += p_a;
      this.speed_y -= this.speed_y * this.air_resistance_factor_xy;
   }
   function accelerateZ(p_a)
   {
      this.speed_z += p_a;
      this.speed_z -= this.speed_z * this.air_resistance_factor;
   }
}