mirror of
https://github.com/osmarks/random-stuff
synced 2024-11-08 13:39:53 +00:00
48 lines
1.5 KiB
Lua
48 lines
1.5 KiB
Lua
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local mods = peripheral.wrap "back"
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local tx, tz = ...
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tx, tz = tonumber(tx), tonumber(tz)
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local target = vector.new(tx, 0, tz)
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local last_t
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local last_s
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local function calc_yaw_pitch(v)
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local x, y, z = v.x, v.y, v.z
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local pitch = -math.atan2(y, math.sqrt(x * x + z * z))
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local yaw = math.atan2(-x, z)
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return math.deg(yaw), math.deg(pitch)
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end
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local function within_epsilon(a, b)
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return math.abs(a - b) < 1
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end
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while true do
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local x, y, z = gps.locate()
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if not y then print "GPS error?"
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else
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if y < 256 then
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mods.launch(0, 270, 4)
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end
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local position = vector.new(x, 0, z)
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local curr_t = os.epoch "utc"
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local displacement = target - position
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local real_displacement = displacement
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if last_t then
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local delta_t = (curr_t - last_t) / 1000
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local delta_s = displacement - last_s
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local deriv = delta_s * (1/delta_t)
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displacement = displacement + deriv
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--pow = pow + 0.0784 + delta_t / 50
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end
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local pow = math.max(math.min(4, displacement:length() / 40), 0)
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print(pow)
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local yaw, pitch = calc_yaw_pitch(displacement)
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mods.launch(yaw, pitch, math.abs(pow))
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--sleep(0)
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last_t = curr_t
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last_s = real_displacement
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if within_epsilon(position.x, target.x) and within_epsilon(position.z, target.z) then break end
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sleep(0.1)
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end
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end
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