LÖVE camera shake

camera.lua

  self.noiseFactor = self.noiseFactor + dt
  -- self.trauma = math.min(1, self.trauma) - dt * config.camera.traumaFactor
  self.trauma = math.max(0, self.trauma - dt * config.camera.traumaFactor)
  if self.cameraTarget then
    self.x = self.x + (self.cameraTarget.pos.x - self.x) * dt * self.slideFactor
    self.y = self.y + (self.cameraTarget.pos.y - self.y) * dt * self.slideFactor
  end
  -- Shake based on trauma
  local shake = self.trauma ^ 2
  local maxOffset, maxAngle = config.camera.shake.maxOffset, config.camera.shake.maxAngle
  local x = self.x - maxOffset / 2 * shake + maxOffset * shake * love.math.noise(self.noiseFactor * 10)
  local y = self.y - maxOffset / 2 * shake + maxOffset * shake * love.math.noise(self.noiseFactor * 11)
  local r = self.r - maxAngle / 2 * shake + maxAngle * shake * love.math.noise(self.noiseFactor * 12)
  self.camera:setPosition(x, y)
  self.camera:setAngle(r)