local love = love local sitelenpona local text local sounds = { } local state state = { Reset = function() state.beat = {} state.startTime = love.timer.getTime() state.currentBeat = 1 end, isGameStarted = false, beatScoreThreshold = 1.0, currentBeat = 1, startTime = 0.0, stickX = 0.0, stickY = 0.0, stickT = 0.0, particle = { x = 0.0, y = 0.0, dx = 0.0, dy = 0.0, ddx = 0.0, ddy = 0.0, Update = function() end, Draw = function() end }, wave = { x = { 1.0, 0.0, -0.5, 0.2, 0.4, 0.8, 0.3, 0.9, -0.4, 0.8, 0.5, 0.1, -0.9 }, dx = { 1.0, 0.0, -0.5, 0.2, 0.4, 0.8, 0.3, 0.9, -0.4, 0.8, 0.5, 0.1, -0.9 }, ddx = { 1.0, 0.0, -0.5, 0.2, 0.4, 0.8, 0.3, 0.9, -0.4, 0.8, 0.5, 0.1, -0.9 }, X = function(th) end, DX = function(th) end, DDX = function(th) end, Draw = function() end, AddImpulse = function( th, size ) end, ImpactPoint = function( xi, yi, xf, yf ) local impact = { r = 0, th = 0, t = 0, x = 0, y = 0, dx = 0, dy = 0 } return impact end, Update = function( dt ) end, }, beat = { t = nil, mu = nil, }, } function love.load() sounds.goodPing = love.audio.newSource("soundTest.ogg", "static") sounds.badPing = love.audio.newSource("chime8.ogg", "static") sitelenpona = assert( require "sitelenpona" ) text = assert( require "text" ) return state.Reset() end local function BeatScore( t ) local beat = state.beat --Base case 1: first tap. if not beat.t then beat.t = t return 2.0 end local dt = t - beat.t beat.t = t --Base case 2: second tap. if not beat.mu then beat.mu = dt return 2.0 end --General case: update average beat length. local WEIGHT = 0.25 --High number makes the last beat more significant. local mu = ( 1.0 - WEIGHT ) * beat.mu + WEIGHT * dt beat.mu = mu --Safety: avoid a dbz. if mu < 0.001 or dt < 0.001 then error( "DBZ! Beat length too small." ) end --Calculate beat score. local score = dt * dt / ( mu * mu ) local TOLERANCE = 1.00001 if dt < mu then return TOLERANCE * score else return TOLERANCE / score end end local function OnVictory() end local function OnImpact( impact ) local score = BeatScore( impact.t ) if score > state.beatScoreThreshold then state.beatScoreThreshold = 1.0 state.currentBeat = state.currentBeat + 1 if state.currentBeat >= 120 then return OnVictory() end love.audio.play(sounds.goodPing) else state.beatScoreThreshold = state.beatScoreThreshold - 0.05 love.audio.play(sounds.badPing) end end function love.draw() love.graphics.setColor(1.0, 1.0, 1.0) love.graphics.print( state.beat.mu or 0, 0) love.graphics.print( state.beat.t or 0, 0, 10) love.graphics.print( state.beatScoreThreshold, 0, 20) love.graphics.setColor(0, 0.4, 0.4) sitelenpona.Draw( text.tok[state.currentBeat] ) love.graphics.setColor(0.5, 0.2, 0.8, 0.5) love.graphics.circle("fill", 0, 0, 10) end function love.update( dt ) end local function UpdateStick() state.stickT = love.timer.getTime() local x = (love.keyboard.isDown( "w" ) and 1.0 or 0.0) - (love.keyboard.isDown( "s" ) and 1.0 or 0.0) local y = (love.keyboard.isDown( "d" ) and 1.0 or 0.0) - (love.keyboard.isDown( "a" ) and 1.0 or 0.0) local n = math.sqrt( x * x + y * y ) if n < 0.001 then state.stickX = x state.stickY = y else state.stickX = x / n state.stickY = y / n end end function love.keypressed( key, code, isRepeat ) if key == "escape" then return love.event.quit() end if key == "enter" then return OnImpact{ t = love.timer.getTime() } end return UpdateStick() end function love.keyreleased( key, code ) return UpdateStick() end