375 lines
8.5 KiB
Lua
375 lines
8.5 KiB
Lua
local love = love
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local step = 1.0 / 120
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local sitelenpona
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local text
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local marble
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local wave
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local particles
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local audio
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local recorder
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local DetectCollision
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local OnImpact
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local OnVictory
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local BeatScore
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local Draw
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local Update
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local ExtrapolateBeatScore
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local _ExtrapolateBeatScore
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local state
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state = {
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Reset = function()
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state.tick = 0
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state.beat = {}
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state.currentBeat = 1
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state.timeToSimulate = 0.0
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state.longestStreak = 0
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state.currentStreak = 0
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state.lastCollisionTick = 0
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end,
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finishTime = 0.0,
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timeToSimulate = 0.0,
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isGameStarted = false,
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lastBeatScore = 0.0,
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currentBeat = 1,
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longestStreak = 0,
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currentStreak = 0,
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beat = {
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t = nil,
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mu = nil,
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},
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}
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local function UpdateWindowTransform( w, h )
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local d = math.min( w, h )
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local r = love.graphics.get
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local tf = love.math.newTransform()
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local size = 3
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tf:translate( w / 2, h / 2)
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tf:scale( d / size, -d / size )
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transform = tf
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end
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OnImpact = function( impact )
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if not impact then return end
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local score = BeatScore( impact.t )
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--DEBUG
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state.lastBeatScore = score
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state.lastCollisionTick = state.tick
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local pass = false
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if score > 1.0 then
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pass = true
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state.currentStreak = state.currentStreak + 1
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if state.currentStreak > state.longestStreak then
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state.longestStreak = state.currentStreak
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end
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state.currentBeat = state.currentBeat + 1
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if state.currentBeat >= 119 then
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return OnVictory()
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end
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else
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state.currentStreak = 0
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end
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local x, y = math.cos(impact.th), math.sin(impact.th)
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particles:setPosition( impact.r * x, impact.r * y )
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particles:setEmissionArea( "normal", 0.1, 0.2, impact.th, true )
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particles:emit( 50 * score * score )
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audio.OnImpact( impact, score, pass, state.currentBeat )
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marble.OnImpact( impact, state.currentBeat )
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wave.OnImpact( impact, state.currentBeat )
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end
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local _OnImpact = OnImpact
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local function NewGame( demoName )
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love.graphics.setBackgroundColor( 245 / 255, 169 / 255, 184 / 255 ) --Trans pink.
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OnImpact = _OnImpact
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ExtrapolateBeatScore = _ExtrapolateBeatScore
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love.draw = Draw
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love.update = Update
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do --particle shit
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particles:reset()
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particles:setSizes( 0.0007, 0.0001, 0.0003 )
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--particles:setSizes( 0.0007, 0.0001, 0.0003 )
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particles:setSizeVariation( 1 )
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particles:setRadialAcceleration( 0, 0.5 )
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particles:setSpeed( 0.2, 1 )
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particles:setLinearDamping( 1, 10 )
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particles:setRelativeRotation( true )
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particles:setEmitterLifetime( -1 )
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particles:setParticleLifetime( 0, 5 )
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particles:setSpread( 0.05 )
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particles:setColors(
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1, 1, 1, 1,
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91 / 255, 206 / 255, 250 / 255, 1,
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245 / 255, 169 / 255, 184 / 255, 1,
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1,1,1,0,
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245 / 255, 169 / 255, 184 / 255, 1,
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1,1,1,0,
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245 / 255, 169 / 255, 184 / 255, 1,
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1,1,1,0)
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end
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state.Reset()
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marble.Reset()
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wave.Reset()
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text.Reset()
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audio.Reset()
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recorder.Reset()
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state.isDemo = demoName
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if demoName then
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recorder.Load( demoName )
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end
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end
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function love.load()
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UpdateWindowTransform( love.graphics.getDimensions() )
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do--particle system setup
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particles = love.graphics.newParticleSystem(
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love.graphics.newImage( "prideflag.png" ),
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2048)
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end
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sitelenpona = assert( require "sitelenpona" )
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text = assert( require "text" )
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marble = assert( require "marble" )
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wave = assert( require "wave" )
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DetectCollision = assert ( require "collision" )
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audio = assert( require "audio" )
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recorder = assert( require "recorder" )
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return NewGame()
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end
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ExtrapolateBeatScore = function( )
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local t = state.tick / 120.0
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local beat = state.beat
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if not beat.t then return 2.0 end
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if not beat.mu then return 2.0 end
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if beat.mu < 0.001 then return 2.0 end
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local pow = 1 / math.max( beat.mu, 0.2 )
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t = 1.05 * math.sin( 0.5 * math.pi * ( t - beat.t ) / beat.mu )
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return math.pow( t * t, pow )
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end
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_ExtrapolateBeatScore = ExtrapolateBeatScore
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BeatScore = function( t )
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local beat = state.beat
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--Base case 1: first tap.
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if not beat.t then
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beat.t = t
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return 2.0
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end
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local dt = t - beat.t
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beat.t = t
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--Base case 2: second tap.
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if not beat.mu then
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beat.mu = dt
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return 2.0
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end
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local pow = 1 / math.max( beat.mu, 0.1 )
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local score = 1.1 * math.sin( 0.5 * math.pi * dt / beat.mu )
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score = math.pow( score * score, pow )
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--General case: update average beat length.
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--Debounce: max BPM 200
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if dt > 60.0 / 200.0 then
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local WEIGHT = 0.75 --High number makes the last beat more significant.
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local mu = ( 1.0 - WEIGHT ) * beat.mu + WEIGHT * dt
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beat.mu = mu
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else
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score = 0
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end
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return score
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end
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OnVictory = function()
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if state.isDemo then
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state.isDemo = false
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else
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recorder.Save()
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end
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particles:setParticleLifetime( 0, 30 )
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particles:setSizes( 0.001, 0.0001, 0.0005 )
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particles:setColors(
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245 / 255, 169 / 255, 184 / 255, 1,
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1, 1, 1, 1,
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245 / 255, 169 / 255, 184 / 255, 1,
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1, 1, 1, 0,
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245 / 255, 169 / 255, 184 / 255, 1,
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1, 1, 1, 0
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)
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particles:setPosition( 0, 0 )
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particles:setEmissionArea( "normal", 0.5, 0.5, 0, true )
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particles:emit( 500 )
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particles:setEmissionArea( "normal", 0.01, 0.01, 0, true )
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love.graphics.setCanvas( marble.Canvas() )
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love.graphics.setCanvas()
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local totalTime = state.tick / 120.0
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OnImpact = function() end
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love.update = function( dt )
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while dt > step do
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marble.Integrate( step )
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wave.Integrate( step )
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marble.Update()
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wave.Update()
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dt = dt - step
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end
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local marblePos = marble.Current()
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particles:emit( 1 )
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particles:update( dt )
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particles:moveTo( marblePos.x, marblePos.y )
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end
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love.draw = function()
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love.graphics.push( "transform" )
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love.graphics.applyTransform( transform )
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love.graphics.setColor( 1, 1, 1, 1 )
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love.graphics.draw( particles )
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love.graphics.pop()
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text.Draw( 119 )
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local score = state.longestStreak * state.longestStreak / totalTime
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love.graphics.setColor( 1, 1, 1, 1 )
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love.graphics.printf(
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string.format( "time:\t%.2f\nstreak:\t%d\nscore:%.2f", totalTime, state.longestStreak, score):gsub( "%.", "," ),
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0, 0.5 * love.graphics.getHeight() - 2.0* love.graphics.getFont():getHeight(),
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love.graphics.getWidth(),
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"center"
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)
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marble.Draw()
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end
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marble.OnVictory()
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love.graphics.setBackgroundColor( 91 / 255, 206 / 255, 250 / 255 ) --Trans blue.
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end
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Draw = function()
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local score = ExtrapolateBeatScore()
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love.graphics.push( "transform" )
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love.graphics.applyTransform( transform )
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love.graphics.setColor( 1.0, 1.0, 1.0, 1.0 )
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love.graphics.draw(particles, 0, 0)
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wave.Draw( score )
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love.graphics.pop()
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sitelenpona.Draw( text.words[state.currentBeat] )
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marble.Draw()
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text.Draw( state.currentBeat )
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love.graphics.print( state.tick, 400, 400, 0, 1, 1 )
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love.graphics.print( state.currentStreak, 400, 450, 0, 1, 1 )
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love.graphics.print( state.lastCollisionTick, 400, 500, 0, 1, 1 )
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end
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Update = function( dt )
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audio.Update( ExtrapolateBeatScore(), state.currentBeat )
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particles:update( dt )
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dt = dt + state.timeToSimulate
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--Physics tick.
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while dt > step do
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state.tick = state.tick + 1
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if state.isDemo then
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local ddx, ddy = recorder.NextTick()
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if ddx then marble.SetAcceleration( ddx, ddy )
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else state.isDemo = false end
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else
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recorder.Update( marble.GetAcceleration() ) --For savegames.
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end
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marble.Integrate( step )
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wave.Integrate( step )
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OnImpact(
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DetectCollision(
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marble.Current(), marble.Next(),
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wave.Current(), wave.Next() ))
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marble.Update()
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wave.Update()
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dt = dt - step
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end
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state.timeToSimulate = dt
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end
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_Update = Update
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local function LoadGame() -- Load game screen.
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local loadGame = assert( dofile "loadgame.lua" )
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love.mousepressed = function( x, y, button, istouch, presses)
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local demoName = loadGame( x, y, button, istouch, presses )
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if demoName then return NewGame( demoName ) end
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end
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end
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function love.keypressed( key, code, isRepeat )
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if key == "escape" then return love.event.quit() end
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if key == "space" then return NewGame() end
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if code == "return" then return LoadGame() end --Play demo.
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if state.isDemo then return end
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return marble.OnKey( state.tick )
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end
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function love.keyreleased( key, code )
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return marble.OnKey( state.tick )
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end
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function love.resize( w, h )
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UpdateWindowTransform( w, h )
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if marble then marble.Resize() end
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end
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function love.mousepressed( x, y, button, istouch, presses )
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return NewGame()
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end |