13.4 Add projectile images from sprite sheet

thirteen_four.monkey

  ' use our sprite atlas for projectiles
  Method CreateProjectile(character:Character, width_modifier:Float=0, height_modifier:Float=0)
  	Local projectile_box:ftObject
  	If (character.character_type = "PLAYER")
  		projectile_box = Self.engine.CreateImage(game_sprite_atlas.GetImage("player_projectile"), 
  										character.box.GetPosX() + character.box.GetWidth()/2 + width_modifier,
  										character.box.GetPosY() + height_modifier)
  		projectile_box.SetSpeedX(10)
  		projectile_box.SetColor(0, 255, 255)
  		projectile_box.SetColWith(ENEMY_GROUP, True)
  		
  	Else
  		projectile_box = Self.engine.CreateImage(game_sprite_atlas.GetImage("enemy_projectile"), 
  										character.box.GetPosX() + character.box.GetWidth()/2 + width_modifier,
  										character.box.GetPosY() + height_modifier)
  		projectile_box.SetPosX(character.box.GetPosX() - character.box.GetWidth()/2 + width_modifier)
  		projectile_box.SetSpeedX(-10)
  		projectile_box.SetColor(200, 200, 0)
  		projectile_box.SetColWith(PLAYER_GROUP, True)
  	End
  	projectile_box.SetColGroup(PROJECTILES)
  	projectile_box.SetText("PROJECTILE")
  	Self.projectiles.AddLast(New Projectile(projectile_box, character.projectile_type))	
  End