58 lines
937 B
Go
58 lines
937 B
Go
package land
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import (
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"github.com/veandco/go-sdl2/sdl"
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"time"
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)
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type RootObject struct {
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BaseObject
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Analyzer *PerformanceAnalyzer
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}
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func NewRootObject() *RootObject {
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in := &RootObject{
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Analyzer: &PerformanceAnalyzer{},
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}
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go in.Analyzer.KeepResetting(1 * time.Second)
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return in
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}
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func (p *RootObject) RunEventLoop(tickDuration time.Duration) {
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for {
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startTime := time.Now()
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p.Update()
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elapsed := time.Since(startTime)
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hangDuration := tickDuration - elapsed
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if hangDuration > 0 {
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time.Sleep(hangDuration)
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}
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}
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}
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func (p *RootObject) Update() {
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p.BaseObject.Update()
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p.Analyzer.Tick()
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}
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func (p *RootObject) Draw(pen *sdl.Renderer) {
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// Render background and clear previous state
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pen.SetDrawColor(77, 77, 77, 255)
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pen.Clear()
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// Render each child
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for _, child := range p.Children {
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if drawableChild, ok := child.(DrawableObject); ok {
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drawableChild.Draw(pen)
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}
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}
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p.Analyzer.Draw()
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}
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