refactor debug info, measure render times

internal/game/logic.go

@@ -9,6 +9,7 @@ import (
 	"edgaru089.ml/go/gl01/internal/igwrap/backend"
 	"edgaru089.ml/go/gl01/internal/io"
 	"edgaru089.ml/go/gl01/internal/render"
+	"edgaru089.ml/go/gl01/internal/util"
 	"edgaru089.ml/go/gl01/internal/util/itype"
 	"edgaru089.ml/go/gl01/internal/world"
 	"edgaru089.ml/go/gl01/internal/world/worldgen"
@@ -174,7 +175,8 @@ const airAccel = 0.1
 // Update updates the game state, not necessarily in the main thread.
 func (g *Game) Update(win *glfw.Window, delta time.Duration) {
 	backend.NewFrame()
-	imgui.ShowDemoWindow(nil)
+
+	clock := util.NewClock()
 
 	if !g.paused {
 
@@ -242,7 +244,12 @@ func (g *Game) Update(win *glfw.Window, delta time.Duration) {
 		g.player.SetSpeed(itype.Vec3d{})
 	}
 
+	io.Diagnostics.Times.Logic = clock.Restart()
+
+	imgui.ShowDemoWindow(nil)
 	g.imgui()
+
+	io.Diagnostics.Times.GUI = clock.Restart()
 }
 
 // Render, called with a OpenGL context, renders the game.