TransformationStackError.lua

-- When running this code in LOVE, the player's top left corner dot and square will follow the top left corner of the white square
-- When running this code on hardware with LovePotion for switch, the dot will not follow the top left corner of the white square, but the square will

camera = {}
camera._x = 0
camera._y = 0

function camera:set()
  love.graphics.push()
  love.graphics.translate(-self._x, -self._y)
end

function camera:unset()
  love.graphics.pop()
end

function love.load()
  width = love.graphics.getWidth()
  height = love.graphics.getHeight()
  
  player = {
    x = 0,
    y = 0,
    width = 50,
    height = 50,
    speed = 300,
    color = { 150, 150, 150 }
  }
end

function love.update(dt)
  player.x = player.x + 5
  player.y = player.y + 5
  camera._x = player.x - width / 2
  camera._y = player.y - height / 2
end

function love.draw()
  camera:set()
  
  -- player
  love.graphics.setColor(player.color)
  love.graphics.rectangle('fill', player.x, player.y, player.width, player.height)
  
  -- player top left corner
  love.graphics.setColor(0, 0.6, 0, 1)
  love.graphics.circle('fill', player.x - 3, player.y - 3, 6)
  love.graphics.rectangle('fill', player.x + 4, player.y + 4, 4, 4)
  camera:unset()
end