;; lobo: Logo Bolo
;; (c) Ben Kurtovic, 2011-2012

globals [
  player
  player-deaths
  player-has-target?
  player-kills
  player-target-xcor
  player-target-ycor
]

;; ==========
;; Procedures
;; ==========

to spawn-player [tank-xcor tank-ycor tank-heading]
  create-tanks 1 [
    set player tank who
    set-tank-vars true 0 tank-xcor tank-ycor tank-heading
  ]
end

to do-player-logic
  if mouse-inside? [
    if mouse-down? and not mouse-was-down? [
      let txcor round mouse-xcor
      let tycor round mouse-ycor
      ifelse player-has-target? and player-target-xcor = txcor and player-target-ycor = tycor [
        cancel-target
      ] [
        set is-accelerating? true
        set player-has-target? true
        set player-target-xcor txcor
        set player-target-ycor tycor
      ]
    ]
    set mouse-was-down? mouse-down?
  ]
  
  ifelse player-has-target? [
    tank-facexy player-target-xcor player-target-ycor
    let dist distancexy player-target-xcor player-target-ycor
    if dist < 2 and speed > 0.075 [
      ; Turn on "brakes" if we're getting
      ; close and we're moving fast:
      decelerate friction * 5
    ]
    if dist < 0.1 [
      cancel-target
    ]
  ] [
    tank-facexy mouse-xcor mouse-ycor
  ]
end

to player-place-pill
  ask player [
    place-pill
  ]
end

to cancel-order
  if player-has-target? [
    cancel-target
  ]
end

to cancel-target
  set is-accelerating? false
  set player-has-target? false
  set speed speed / 2
end