git.r.bdr.sh - rbdr/pico-engine/blob - scripts/shot-crawl.lua

   1 --parameters
   2 this.actorname = "Bullet: Crawlshot"
   3 this.enemy                      = enemy_weapon
   4 this.speed                      = 6
   5 this.controllable       = false
   6 this.physics            = true
   7 this.bumpcount          = 0
   8 this.bumplimit          = 4
   9
  10 print(">>> Entity Created - "..this.actorname);
  11
  12 function this.move(this)
  13
  14         if(this:get_currentdirection() == right) then
  15                 this:set_ownspeed(this.speed)
  16         end
  17
  18         if (this:get_currentdirection() == left) then
  19                 this:set_ownspeed(-this.speed)
  20         end
  21
  22         if ( ( not this:can_move(left, this:get_x(), this:get_y()) and this:get_currentdirection() == left ) or
  23                  ( not this:can_move(right, this:get_x(), this:get_y()) and this:get_currentdirection() == right ) ) then
  24                 this.bumpcount = this.bumpcount + 1
  25
  26                 this:switchdirection()
  27                 if this.bumpcount >= this.bumplimit then
  28                         this:set_dying(true)
  29                 end
  30         end
  31 end
  32
  33 function this.switchdirection(this)
  34
  35         if(this:get_currentdirection() == right) then
  36                 this:set_currentdirection(left)
  37                 this:set_ownspeed(-this.speed)
  38         elseif (this:get_currentdirection() == left) then
  39                 this:set_currentdirection(right)
  40                 this:set_ownspeed(this.speed)
  41         end
  42 end
  43
  44 function this.act(this)
  45         this:move()
  46 end
  47
  48 --END