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