mirror of
https://github.com/osmarks/random-stuff
synced 2024-11-08 13:39:53 +00:00
46 lines
1.3 KiB
Lua
46 lines
1.3 KiB
Lua
local holo = peripheral.find "hologram"
|
|
local sensor = peripheral.find "plethora:sensor"
|
|
holo.setScale(1)
|
|
holo.setTranslation(0, 0, 0)
|
|
holo.setPaletteColor(1, 0xFFFFFF)
|
|
|
|
local W = 48
|
|
local H = 32
|
|
|
|
local function generate_strings(fn)
|
|
local out = {}
|
|
for x = 0, W - 1 do
|
|
for z = 0, W - 1 do
|
|
for y = 0, H - 1 do
|
|
table.insert(out, fn(x / W, y / H, z / W) and "\1" or "\0")
|
|
end
|
|
end
|
|
end
|
|
return out
|
|
end
|
|
|
|
local function clamp_reflect(pos, vel, dir)
|
|
if pos[dir] > 1 or pos[dir] < 0 then vel[dir] = -vel[dir] end
|
|
end
|
|
|
|
local ball = vector.new(0.5, 0.5, 0.5)
|
|
local vel = vector.new(math.random() - 0.5, math.random() - 0.5, math.random() - 0.5) * 0.1
|
|
while true do
|
|
local run_display = false
|
|
for _, entity in pairs(sensor.sense()) do
|
|
if vector.new(entity.x, entity.y, entity.z):length() < 8 and entity.name == entity.displayName then
|
|
run_display = true
|
|
break
|
|
end
|
|
end
|
|
if run_display then
|
|
holo.setRaw(table.concat(generate_strings(function(x, y, z)
|
|
local vpos = vector.new(x, y, z)
|
|
return (ball - vpos):length() < 0.1
|
|
end)))
|
|
end
|
|
ball = ball + vel
|
|
clamp_reflect(ball, vel, "x")
|
|
clamp_reflect(ball, vel, "y")
|
|
clamp_reflect(ball, vel, "z")
|
|
end |