mirror of https://github.com/ArduPilot/ardupilot
29 lines
611 B
Lua
29 lines
611 B
Lua
--[[
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An example of using the copy() method on userdata
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--]]
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-- luacheck: only 0
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local loc1 = Location()
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loc1:lat(-35)
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loc1:lng(-122)
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-- if we did this as loc2 = loc1 then it actually takes a reference
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-- by using copy() we get the intended behaviour
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local loc2 = loc1:copy()
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loc2:offset(3000,5000)
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local diff = loc1:get_distance_NE(loc2)
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gcs:send_text(0,string.format("locdiff=(%.2f,%.2f)", diff:x(), diff:y()))
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local v1 = Vector2f()
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v1:x(-35)
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v1:y(-122)
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local v2 = v1:copy()
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v2:x(v2:x()+100)
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v2:y(v2:y()+300)
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local diff = v2 - v1
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gcs:send_text(0,string.format("vdiff=(%.2f,%.2f)", diff:x(), diff:y()))
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