glasses-test.lua

local component = require("component")
local event = require("event")

local gls = component.glasses

gls.removeAll()

local hintText = gls.addText2D()
hintText.setText("Activate the overlay to see the toy GUI")
hintText.addAutoTranslation(50, 80)
hintText.setHorizontalAlign("center")
hintText.setCondition(hintText.addScale(0, 0, 0), "OVERLAY_ACTIVE", true)


local addBlockButton = gls.addBox2D()
local addBlockLabel = gls.addText2D()

addBlockLabel.setCondition(addBlockLabel.addScale(0, 0, 0), "OVERLAY_INACTIVE", true)
addBlockButton.setCondition(addBlockButton.addScale(0,0,0), "OVERLAY_INACTIVE", true)

addBlockLabel.setText("Add Block")
addBlockLabel.addTranslation(50, 10, 0)
addBlockLabel.setHorizontalAlign("center")
addBlockLabel.setVerticalAlign("middle")

addBlockButton.setSize(100, 20, 0)
addBlockButton.addColor(0, 0, 0, 0.95)
addBlockButton.addColor(0, 0, 0, 0.95)

local state = "normal"

local function evt_overlay_click(evt, comp, user, x, y, btn)
  if state == "normal" then
  if x > 0 and y > 0 and x < 100 and y < 20 and btn == 0 then
    print("Placing virtual block...")
    state = "place-virtual-block"
  end
  end
end

local function evt_world_interact(evt, comp, user, px, py, pz, plx, ply, plz, rot, bx, by, bz, side)
  if state == "place-virtual-sign" then
    local sign = gls.addText3D()
    sign.setText("Position: " .. bx .. "," .. by .. "," .. bz)
    sign.addTranslate(bx, by, bz)
    sign.addScale(0.1, 0.1, 0.1)

    print("Placed virtual sign.")
    state = "normal"
  elseif state == "place-virtual-block" then
    local blck = gls.addCube3D()
    blck.addTranslate(bx, by + 1, bz)

    print("Placed virtual block")
    state = "normal"
  end
end

event.listen("interact_overlay", evt_overlay_click)
event.listen("interact_world_block_left", evt_world_interact)
event.pull("interrupted")
event.ignore("interact_overlay", evt_overlay_click)
event.ignore("interact_world_block_left", evt_world_interact)
gls.removeAll()