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267
game/game.go
Normal file
267
game/game.go
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package game
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import (
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"ducky/assets"
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"ducky/elements"
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"ducky/fonts"
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"ducky/gamedata"
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"fmt"
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"image/color"
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"math"
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"math/rand"
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"github.com/hajimehoshi/ebiten/v2"
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"github.com/hajimehoshi/ebiten/v2/audio"
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"github.com/hajimehoshi/ebiten/v2/inpututil"
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"github.com/hajimehoshi/ebiten/v2/text/v2"
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)
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const (
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screenWidth = 640
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screenHeight = 480
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duckyWidth = 32
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duckyHeight = duckyWidth
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spotResetDuration = 120
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duckySpottedTextOffsetX = 120
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duckySpottedTextOffsetY = 32
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duckySpottedTextSize = 30
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toastCount = 120
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)
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var (
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audioContext = audio.NewContext(assets.SampleRate)
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)
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type Game struct {
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initialized bool
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reducky *elements.Ducky
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ducky *elements.Ducky
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spotlight *elements.Spotlight
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cycle int
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mousepos gamedata.Coordinates
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darkness *ebiten.Image
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offscreen *ebiten.Image
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reduckycol int
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reduckyrow int
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spottedticks int
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spotted bool
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toast bool
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toastcounter int
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disabledarkness bool
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sliders []*elements.Slider
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reachcount int
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musicInitialized bool
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audioplayer *audio.Player
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}
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func (g *Game) Update() error {
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g.HandleInput()
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if !g.initialized {
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g.Initialize()
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}
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g.UpdateDuck()
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g.UpdateDetection()
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//g.UpdateSliders()
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g.cycle++
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return nil
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}
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func (g *Game) Draw(screen *ebiten.Image) {
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screen.Clear()
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g.darkness.Clear()
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if g.initialized {
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//g.darkness.Fill(color.RGBA{R: 0xff, G: 0x00, B: 0x00, A: 0xff})
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g.darkness.Fill(color.Black)
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g.ducky.Draw()
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g.reducky.Draw()
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op := &ebiten.DrawImageOptions{}
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for x := 0; x < screenWidth/duckyWidth; x++ {
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for y := 0; y < screenHeight/duckyWidth; y++ {
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op.GeoM.Reset()
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op.GeoM.Translate(float64(x)*duckyWidth, float64(y)*duckyHeight)
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if !(x == g.reduckycol && y == g.reduckyrow) {
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screen.DrawImage(g.ducky.Sprite, op)
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}
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}
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}
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op = &ebiten.DrawImageOptions{}
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op.GeoM.Translate(float64(g.reduckycol)*duckyWidth, float64(g.reduckyrow)*duckyHeight)
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screen.DrawImage(g.reducky.Sprite, op)
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op = &ebiten.DrawImageOptions{}
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op.GeoM.Translate(-duckyWidth/2, -duckyHeight/2)
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op.GeoM.Translate(g.mousepos.X, g.mousepos.Y)
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//screen.DrawImage(assets.ImageBank[assets.Orb], op)
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g.spotlight.Draw()
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g.offscreen.Clear()
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op = &ebiten.DrawImageOptions{}
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spotlight_w := float64(g.spotlight.Sprite.Bounds().Dx())
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spotlight_h := float64(g.spotlight.Sprite.Bounds().Dy())
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op.GeoM.Translate(-spotlight_w/2, -spotlight_h/2)
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op.GeoM.Translate(g.mousepos.X, g.mousepos.Y)
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//g.offscreen.DrawImage(assets.ImageBank[assets.Orb], op)
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g.offscreen.DrawImage(g.spotlight.Sprite, op)
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op.GeoM.Reset()
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op.Blend = ebiten.BlendXor
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g.offscreen.DrawImage(g.darkness, op)
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if !g.disabledarkness {
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op = &ebiten.DrawImageOptions{}
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if g.toast {
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op.GeoM.Translate(-screenWidth/2, -screenHeight/2)
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op.GeoM.Rotate(float64(g.toastcounter) / (math.Pi * 2))
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op.GeoM.Translate(screenWidth/2, screenHeight/2)
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}
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screen.DrawImage(g.offscreen, op)
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}
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if g.spotted && !g.toast {
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font := &text.GoTextFace{
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Source: fonts.DuckyFont.Karen,
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Size: duckySpottedTextSize,
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}
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top := &text.DrawOptions{}
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top.GeoM.Translate(screenWidth/2-duckySpottedTextOffsetX, screenHeight/2-duckySpottedTextOffsetY)
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if g.cycle%30 < 15 {
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text.Draw(screen, "DUCKY SPOTTED", font, top)
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}
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}
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for _, s := range g.sliders {
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s.Draw()
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op = &ebiten.DrawImageOptions{}
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op.GeoM.Translate(s.GetPosition().X, s.GetPosition().Y)
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screen.DrawImage(s.Sprite, op)
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}
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}
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}
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func (g *Game) Layout(outsideWidth, outsideHeight int) (screenwidth, screenheight int) {
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return screenWidth, screenHeight
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}
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func (g *Game) Initialize() {
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assets.LoadImages()
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g.offscreen = ebiten.NewImage(screenWidth, screenHeight)
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g.darkness = ebiten.NewImage(screenWidth, screenHeight)
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g.spotlight = elements.NewSpotlight(assets.ImageBank[assets.Orb])
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g.ducky = elements.NewDucky(assets.ImageBank[assets.Ducky])
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g.reducky = elements.NewDucky(assets.ImageBank[assets.ReDucky])
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for i := 0; i < 5; i++ {
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slider := elements.NewSlider()
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g.sliders = append(g.sliders, slider)
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}
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g.initialized = true
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if !g.musicInitialized {
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//s := audio.NewInfiniteLoop(assets.SoundBank[assets.MainLoop], assets.SoundBank[assets.MainLoop].Length())
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s := audio.NewInfiniteLoop(assets.SoundBankOgg[assets.MainLoopOgg], assets.SoundBankOgg[assets.MainLoopOgg].Length())
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g.audioplayer, _ = audioContext.NewPlayer(s)
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g.audioplayer.Play()
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g.musicInitialized = true
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}
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g.Reset()
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}
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func (g *Game) UpdateDuck() {
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g.ducky.Update()
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g.reducky.Update()
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x, y := ebiten.CursorPosition()
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g.mousepos.X = float64(x)
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g.mousepos.Y = float64(y)
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}
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func (g *Game) Reset() {
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g.reduckycol = rand.Intn(screenWidth / duckyHeight)
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g.reduckyrow = rand.Intn(screenHeight / duckyWidth)
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for i, slider := range g.sliders {
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var yoffset float64
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if i%2 == 0 {
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yoffset = screenHeight
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} else {
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yoffset = -screenHeight
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}
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slider.SetPosition(gamedata.Coordinates{X: float64(i) * screenWidth / 5, Y: yoffset})
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slider.SetTargetPosition(gamedata.Coordinates{X: float64(i) * screenWidth / 5, Y: 0})
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slider.Reset()
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}
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//fmt.Printf("Ducky Position: %d, %d\n", g.reduckycol, g.reduckyrow)
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g.spottedticks = 0
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g.toast = false
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g.reachcount = 0
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g.toastcounter = 0
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}
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func (g *Game) HandleInput() {
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if inpututil.IsKeyJustPressed(ebiten.KeyR) {
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g.Reset()
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}
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g.disabledarkness = ebiten.IsKeyPressed(ebiten.KeySpace)
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}
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func (g *Game) UpdateDetection() {
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x, y := ebiten.CursorPosition()
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if g.reduckycol*duckyWidth <= x && x <= (g.reduckycol+1)*duckyWidth &&
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g.reduckyrow*duckyHeight <= y && y <= (g.reduckyrow+1)*duckyHeight && !g.toast {
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g.spottedticks++
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g.spotted = true
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fmt.Println("ducky spotted!")
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} else {
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g.spotted = false
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}
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if g.spottedticks > spotResetDuration {
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g.toast = true
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}
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if g.toast {
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g.UpdateSliders()
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g.toastcounter++
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}
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if g.toastcounter > toastCount {
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g.Reset()
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}
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}
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func (g *Game) UpdateSliders() {
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for _, s := range g.sliders {
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s.Update()
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}
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}
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