startup

local pi = 3.1415
-- stundenzeiger, 3 punkte und rotation.
szp1x = nil
szp2y = nil
szp2x = nil
szp2y = nil
szp3x = nil
szp3y = nil
szrot = nil
-- minutenzeiger, 3 punkte und rotation.
mzp1x = nil
mzp1y = nil
mzp2x = nil
mzp2y = nil
mzp3x = nil
mzp3y = nil
mzrot = nil
-- groessen umrechnungsfaktor x,y
svx = nil
svy = nil
-- setup screen
monitor = peripheral.wrap("right")
term.redirect(monitor)
monitor.setBackgroundColor(1)
monitor.setTextColor(1)
monitor.setTextScale(0.5)
term.clear()
-- berechne umrechnungs faktoren
sx,sy = term.getSize()
svx = sx/101
svy = sy/101
--print(svx," ",svy)

-- get Time
while true do

t = os.time()

-- zeichne zifferblatt
monitor.setBackgroundColor(1)
monitor.clear()
paintutils.drawBox((48.5*svx),(1.5*svy),(54.5*svx),(15.5*svy),32768)
paintutils.drawBox((1.5*svx),(48.5*svy),(15.5*svx),(54.5*svy),32768)
paintutils.drawBox((48.5*svx),(86.5*svy),(54.5*svx),(101.5*svy),32768)
paintutils.drawBox((86.5*svx),(48.5*svy),(101.5*svx),(54.5*svy),32768)

--stunde in rad
s = (2*pi)/12
p = 0
l = 51.5


 for i = 1,12 do
 p = p + s
  if i == 3 or i == 6 or i == 9 or i == 12 then
  else
 p1x = svx*(51.5+math.sin(p)*l)
 p1y = svy*(51.5+math.cos(p)*l)
 p2x = svx*(51.5+math.sin(p)*(l-13))
 p2y = svy*(51.5+math.cos(p)*(l-13))
 --print(p1x," ",p1y," ",p2x," ",p2y)
 paintutils.drawLine(p1x,p1y,p2x,p2y,32768)
 end
 end

-- zeichne zeiger

szrot = (2*pi*t)/12
mzrot = 2*pi*t
szl = 37
mzl = 45

szp1x = svx*(51.5+math.sin(szrot)*szl)
szp1y = svy*(51.5-math.cos(szrot)*szl)
szp2x = svx*(51.5+math.sin(szrot+0.14)*szl*0.8)
szp2y = svy*(51.5-math.cos(szrot+0.14)*szl*0.8)
szp3x = svx*(51.5+math.sin(szrot-0.14)*szl*0.8)
szp3y = svy*(51.5-math.cos(szrot-0.14)*szl*0.8)

mx = 51.5*svx
my = 51.5*svy

paintutils.drawLine(mx,my,szp2x,szp2y,32768)
paintutils.drawLine(szp2x,szp2y,szp1x,szp1y,32768)
paintutils.drawLine(szp1x,szp1y,szp3x,szp3y,32768)
paintutils.drawLine(szp3x,szp3y,mx,my,32768)

mzp1x = svx*(51.5+math.sin(mzrot)*mzl)
mzp1y = svy*(51.5-math.cos(mzrot)*mzl)
mzp2x = svx*(51.5+math.sin(mzrot+0.1)*mzl*0.7)
mzp2y = svy*(51.5-math.cos(mzrot+0.1)*mzl*0.7)
mzp3x = svx*(51.5+math.sin(mzrot-0.1)*mzl*0.7)
mzp3y = svy*(51.5-math.cos(mzrot-0.1)*mzl*0.7)

paintutils.drawLine(mx,my,mzp2x,mzp2y,32768)
paintutils.drawLine(mzp2x,mzp2y,mzp1x,mzp1y,32768)
paintutils.drawLine(mzp1x,mzp1y,mzp3x,mzp3y,32768)
paintutils.drawLine(mzp3x,mzp3y,mx,my,32768)

sleep(0.2)
end