PlumEngine

--Dimensions of your display. Hardcoded for now bc no way to get size of AR goggles
--If the renders aren't centered to your screen it's because these values are wrong.
local display = {
    x = 60, --Replace with x *0.5, where x is your displays width
    y = 60  --Replace with y *0.5, where y is your displays height
    --y = x because not messing with aspect ratio right now
}
--x = 480, y = 270

    --Setup monitor and AR controller
local ar --= peripheral.find("arController")
--local oldTerm = term.redirect(mon)
--mon.setTextScale(0.5)
--mon.setCursorPos(1,1)
--mon.clear()
term.setCursorPos(1,1)
term.clear()
--ar.clear()

    --Get API's
local dt = require("plum3D")
local draw = require("plumDraw")

    --Load default objects
    --BUG objects moving strangely
local objList = {
    c1 = dt.newCube(),
    --c2 = dt.newCube(),
}

    --Set initial values for location / rotation / scale
objList.c1.loc.z = -3
objList.c1.loc.x = 0
objList.c1.loc.y = 1

    --Save some stuff for FPS calculations
local frames = 0
local sTime = os.time()

--local projMat = dt.makeProjectionMat(1,100,-135,135,-240,240)
local projMat = dt.makeProjectionMat(90,1,100)

    --Main render loop
for i = 1, 1000 do
    frames = frames + 1
    --mon.setCursorPos(1,1)
    term.setCursorPos(1,1)
    print("Frame: "..frames)

        --Animate objects
    objList.c1.rot.y = os.time()*500
    --objList.c2.rot.y = os.time()*500+500
    objList.c1.rot.z = math.cos(os.time()/0.02)*20

        --Transform everything in objList
    local projected = {}
    for name,objectData in pairs(objList) do
        projected[name] = dt.screenTransform(objectData,display,cam,projMat)
    end
        --Use EITHER sleep() or the fake events. Fake events give "uncapped" FPS, sleep() caps it
        --if you are using player positon as the camera you don't need either of these.
    sleep(0.08)
    os.queueEvent("FakeEvent") --Fake event to prevent `too long without yielding` error
    os.pullEvent("FakeEvent")
    --ar.clear()
    term.clear()

    --Render everything in objList with transformed points
    for name,projectedObj in pairs(projected) do
        draw.drawSolidObj(ar,projectedObj)
        --draw.drawWireObj(ar,projectedObj)
    end
end

    --Calculate / display FPS
local eTime = os.time()

    --Prevent freezing when time goes from 23:99 or whatever tick to 00:00
if eTime < sTime then eTime = eTime + sTime end

    --Display fps info
local tTime = (eTime-sTime)/0.02
local totalP = 0
for name,_ in pairs(objList) do
    totalP = totalP + #objList[name].indexList
end

print("Finished scene with "..(totalP/3).." total polygons")
print("Drew "..frames.." frames in "..tTime.." seconds")
print("Average FPS: "..(frames/tTime))