mirror of
https://github.com/centau/vide.git
synced 2026-08-20 14:41:37 +00:00
74 lines
1.8 KiB
Lua
74 lines
1.8 KiB
Lua
local vide = require "src/init"
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local testkit = require("test/testkit")
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local program_time = os.clock()
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local function step(): number
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local FPS = 60
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local DT = 1/FPS
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repeat until os.clock() - program_time >= DT*10
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program_time += DT*10
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return DT
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end
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local function main()
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local TERMINAL_HEIGHT = 73 --* REDUCE IF BAR DOES NOT FIT IN TERMINAL
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local MIN_ALPHA = 0.3
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local MAX_ALPHA = 0.7
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local MIN = TERMINAL_HEIGHT * MIN_ALPHA
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local MAX = TERMINAL_HEIGHT * MAX_ALPHA
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local OFFSET = TERMINAL_HEIGHT - MAX
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local BLOCK = "█"
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local function remainder_to_block(x)
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return
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if x > 7/8 then "█"
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elseif x > 6/8 then "▇"
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elseif x > 5/8 then "▆"
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elseif x > 4/8 then "▅"
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elseif x > 3/8 then "▄"
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elseif x > 2/8 then "▃"
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elseif x > 1/8 then "▂"
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else "▁"
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end
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local source = vide.source
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local spring = vide.spring
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local effect = vide.effect
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local value = source(MAX)
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local sprung, data = (spring :: any)(value, 1, 19.6)
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effect(function()
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local v = sprung()
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local fv = math.floor(v)
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local reset = "\27[H\27[2J" -- ANSI clear terminal
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local offset = string.rep("\n", MAX - fv + OFFSET)
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local bar = testkit.color.gray(remainder_to_block(v - fv) .. "\n" .. string.rep(BLOCK .. "\n", fv))
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local num = "\n" .. v
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local test = "\n" .. (data.a or 0)
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local test2 = "\n" .. (data.b or 0)
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print(reset .. offset .. bar .. num .. test .. test2)
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end)
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local T = 1.5
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local elapsed = T/2
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repeat local dt = step()
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vide.step(dt)
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elapsed += dt
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while elapsed >= T do
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elapsed -= T
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value(value() == MAX and MIN or MAX)
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end
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until false
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end
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vide.root(main)
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