quack2/data/scripts/game.lua

local player = require "classes.player"
local util = require "util"
local Vector3 = require "types.vector3"

-- called every frame, with constant delta time
function game_tick()
  -- ctx.initialization_needed is true first frame and every time dynamic reload is performed
  if ctx.initialization_needed then
    -- ctx.udata persists on reload
    ctx.udata = {
      capture = false
    }
  end

  ctx.mouse_capture = ctx.udata.capture
  input_action{name = "toggle_mouse", control = "ESCAPE"}
  
  if input_action_just_pressed{name = "toggle_mouse"} then
    ctx.udata.capture = not ctx.udata.capture
  end

  player:tick(ctx)
  -- draw_camera{position = Vector3(0, 1, 0), direction = Vector3.FORWARD}
  -- draw ground
  local q = util.create_plane_quad(Vector3(0, 0, 0), Vector3.UP, 10)
  local params = {
    texture = "images/measure001a.png",
    texture_region = { x = 0, y = 0, w = 512, h = 512 },
  }
  draw_quad(util.merge(q, params))
end