mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-09-20 13:22:19 +02:00
62 lines
1.2 KiB
Go
62 lines
1.2 KiB
Go
package ui
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import (
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"github.com/hajimehoshi/go-ebiten"
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"time"
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)
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type UI interface {
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MainLoop()
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ScreenWidth() int
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ScreenHeight() int
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Initializing() chan<- ebiten.Game
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Initialized() <-chan ebiten.Game
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Updating() chan<- ebiten.Game
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Updated() <-chan ebiten.Game
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Input() <-chan ebiten.InputState
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}
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func mainLoop(ui UI, game ebiten.Game) {
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frameTime := time.Duration(int64(time.Second) / int64(ebiten.FPS))
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tick := time.Tick(frameTime)
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gameContext := &GameContext{
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screenWidth: ui.ScreenWidth(),
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screenHeight: ui.ScreenHeight(),
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inputState: ebiten.InputState{-1, -1},
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}
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ui.Initializing() <- game
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game = <-ui.Initialized()
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for {
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select {
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case gameContext.inputState = <-ui.Input():
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case <-tick:
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game.Update(gameContext)
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case ui.Updating() <- game:
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game = <-ui.Updated()
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}
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}
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}
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func Run(ui UI, game ebiten.Game) {
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go mainLoop(ui, game)
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ui.MainLoop()
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}
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type GameContext struct {
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screenWidth int
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screenHeight int
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inputState ebiten.InputState
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}
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func (context *GameContext) ScreenWidth() int {
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return context.screenWidth
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}
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func (context *GameContext) ScreenHeight() int {
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return context.screenHeight
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}
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func (context *GameContext) InputState() ebiten.InputState {
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return context.inputState
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}
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