module('entity')
module('input')
module('color')
module('math')
module('scene')
module('event')
module('entitycamera')

local phys
local updateSub
local SPEED = 4.0
local mat

function entityInit()
  local pos = entityPositionAdd(ENTITY_ID)
  pos.x = 0
  pos.y = 1
  pos.z = 0

  phys = entityPhysicsAdd(ENTITY_ID)
  phys:setShapeCapsule(0.3, 0.9)

  local mesh = entityMeshAdd(ENTITY_ID)
  mesh:generateCapsule(0.3, 0.9)

  mat = entityMaterialAdd(ENTITY_ID)

  updateSub = eventSubscribe(SCENE_EVENT_UPDATE, onUpdate)
end

function onUpdate()
  local moveX = inputAxis(INPUT_ACTION_LEFT, INPUT_ACTION_RIGHT)
  local moveZ = inputAxis(INPUT_ACTION_DOWN, INPUT_ACTION_UP)

  mat.color = colorRainbow()

  local cam = entityCameraGetCurrent()
  local fwd = cam:getForward()
  local right = cam:getRight()

  local vy = phys.velocityY
  phys.velocityX = (moveX * right.x + moveZ * fwd.x) * SPEED
  phys.velocityZ = (moveX * right.y + moveZ * fwd.y) * SPEED
end

function entityDispose()
  eventUnsubscribe(SCENE_EVENT_UPDATE, updateSub)
end