75 lines
2.2 KiB
Nim
75 lines
2.2 KiB
Nim
import std/unittest
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import std/math
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import ../radar_lock
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suite "radar_lock":
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setup:
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init()
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# Basic lock: radar already on enemy — overshoot pushes it slightly
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test "radar on enemy — returns overshoot only":
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let rate = doRadar(90.0, 90.0)
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check rate == DefaultOvershootDeg
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# Cardinal directions
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test "lock from 0 degrees":
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let rate = doRadar(0.0, 0.0)
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check rate == DefaultOvershootDeg
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test "lock from 90 degrees":
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let rate = doRadar(90.0, 90.0)
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check rate == DefaultOvershootDeg
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test "lock from 180 degrees":
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let rate = doRadar(180.0, 180.0)
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check rate == DefaultOvershootDeg
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test "lock from 270 degrees":
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let rate = doRadar(270.0, 270.0)
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check rate == DefaultOvershootDeg
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# Angle wrapping: radar at 350°, enemy at 10° → shortest path is +20°
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test "wrapping 350 to 10 — turns right 20 + overshoot":
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let rate = doRadar(350.0, 10.0)
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check abs(rate - (20.0 + DefaultOvershootDeg)) < 1e-9
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# Angle wrapping: radar at 10°, enemy at 350° → shortest path is -20°
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test "wrapping 10 to 350 — turns left 20 + overshoot":
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let rate = doRadar(10.0, 350.0)
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check abs(rate - (-20.0 - DefaultOvershootDeg)) < 1e-9
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# Clamping: enemy 100° away → raw turn+overshoot > 45°, must clamp
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test "clamp positive — large gap":
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let rate = doRadar(0.0, 100.0)
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check rate == 45.0
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test "clamp negative — large gap":
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let rate = doRadar(100.0, 0.0)
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check rate == -45.0
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# Overshoot direction: turn right → positive overshoot
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test "overshoot direction right":
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let rate = doRadar(0.0, 30.0) # needs +30°, overshoot adds +5°
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check abs(rate - 35.0) < 1e-9
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# Overshoot direction: turn left → negative overshoot
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test "overshoot direction left":
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let rate = doRadar(30.0, 0.0) # needs -30°, overshoot adds -5°
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check abs(rate - (-35.0)) < 1e-9
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# Output never exceeds ±45
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test "output bounded above":
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let rate = doRadar(0.0, 179.0)
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check rate <= 45.0
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test "output bounded below":
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let rate = doRadar(179.0, 0.0)
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check rate >= -45.0
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# init() resets overShootDeg
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test "init resets overshoot":
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overShootDeg = 20.0
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init()
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check overShootDeg == DefaultOvershootDeg
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