42 lines
703 B
Go
42 lines
703 B
Go
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package components
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import (
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"time"
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"github.com/hajimehoshi/ebiten/v2"
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)
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type Timer struct {
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currentTicks int
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targetTicks int
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}
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func NewTimer(d time.Duration) *Timer {
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return &Timer{}
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}
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func (timer *Timer) Start(d time.Duration) {
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min := int(1000 / ebiten.TPS()) // 16.66ms == 1 tick
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useD := d
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if int(d.Milliseconds()) < min {
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useD = time.Duration(1000/ebiten.TPS()) * time.Millisecond
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}
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timer.targetTicks = int(useD.Milliseconds()) / min // id d=50, then 50 / 16.6 =
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}
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func (t *Timer) Update() {
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if t.currentTicks < t.targetTicks {
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t.currentTicks++
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}
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}
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func (t *Timer) IsReady() bool {
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return t.currentTicks >= t.targetTicks
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}
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func (t *Timer) Reset() {
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t.currentTicks = 0
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}
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