82 lines
1.5 KiB
Go
82 lines
1.5 KiB
Go
package engine
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import (
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"log"
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"runtime"
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"time"
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"zworld/engine/object"
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"zworld/engine/render/graph"
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"zworld/engine/renderapi/vulkan"
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)
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type SceneFunc func(object.Object)
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type RendererFunc func(vulkan.App, vulkan.Target) graph.T
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type Args struct {
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Title string
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Width int
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Height int
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Renderer RendererFunc
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}
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func Run(args Args, scenefuncs ...SceneFunc) {
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log.Println("goworld")
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runtime.LockOSThread()
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go RunProfilingServer(6060)
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interrupt := NewInterrupter()
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backend := vulkan.New("goworld", 0)
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defer backend.Destroy()
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if args.Renderer == nil {
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args.Renderer = graph.Default
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}
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// create a window
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wnd, err := vulkan.NewWindow(backend, vulkan.WindowArgs{
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Title: args.Title,
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Width: args.Width,
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Height: args.Height,
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Frames: 3,
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})
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if err != nil {
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panic(err)
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}
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defer wnd.Destroy()
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// create renderer
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renderer := args.Renderer(backend, wnd)
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defer renderer.Destroy()
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// create scene
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scene := object.Empty("Scene")
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wnd.SetInputHandler(scene)
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for _, scenefunc := range scenefuncs {
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scenefunc(scene)
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}
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// run the render loop
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log.Println("ready")
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counter := NewFrameCounter(60)
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for interrupt.Running() && !wnd.ShouldClose() {
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// update scene
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wnd.Poll()
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counter.Update()
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scene.Update(scene, counter.Delta())
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// draw
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renderer.Draw(scene, counter.Elapsed(), counter.Delta())
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}
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}
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func RunGC() {
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start := time.Now()
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runtime.GC()
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elapsed := time.Since(start)
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if elapsed.Milliseconds() > 1 {
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log.Printf("slow GC cycle: %.2fms", elapsed.Seconds()*1000)
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}
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}
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