refactor ImGUI code files

internal/game/logic.go

@@ -6,7 +6,7 @@ import (
 	"os"
 	"time"
 
-	"edgaru089.ml/go/gl01/internal/igwrap"
+	"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/itype"
@@ -105,13 +105,13 @@ func (g *Game) Init(win *glfw.Window) {
 
 	win.SetMouseButtonCallback(func(w *glfw.Window, button glfw.MouseButton, action glfw.Action, mods glfw.ModifierKey) {
 		if g.paused {
-			igwrap.MouseButtonCallback(button, action)
+			backend.MouseButtonCallback(button, action)
 		}
 	})
 
 	win.SetKeyCallback(func(w *glfw.Window, key glfw.Key, scancode int, action glfw.Action, mods glfw.ModifierKey) {
 		if g.paused {
-			igwrap.KeyCallback(key, action)
+			backend.KeyCallback(key, action)
 		}
 		if action == glfw.Press {
 			if g.paused {
@@ -157,13 +157,13 @@ func (g *Game) Init(win *glfw.Window) {
 
 	win.SetCharCallback(func(w *glfw.Window, char rune) {
 		if g.paused {
-			igwrap.InputCallback(char)
+			backend.InputCallback(char)
 		}
 	})
 
 	win.SetScrollCallback(func(w *glfw.Window, xpos, ypos float64) {
 		if g.paused {
-			igwrap.MouseScrollCallback(xpos, ypos)
+			backend.MouseScrollCallback(xpos, ypos)
 		}
 	})
 
@@ -173,7 +173,7 @@ 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) {
-	igwrap.NewFrame()
+	backend.NewFrame()
 	imgui.ShowDemoWindow(nil)
 
 	if !g.paused {
@@ -251,5 +251,5 @@ func (g *Game) Render(win *glfw.Window) {
 	g.worldrender.Render(g.world, g.view)
 	render.Framewire.Render(g.view)
 
-	igwrap.Render(win)
+	backend.Render(win)
 }