adding SetTraceLogCallback

examples/utils/utils.go

@@ -0,0 +1,46 @@
+package main
+
+import (
+	"github.com/gen2brain/raylib-go/raylib"
+	"log"
+)
+
+func main() {
+	rl.SetTraceLogCallback(func(logType int, str string) {
+		level := ""
+		switch logType {
+		case rl.LogDebug:
+			level = "Debug"
+		case rl.LogError:
+			level = "Error"
+		case rl.LogInfo:
+			level = "Info"
+		case rl.LogTrace:
+			level = "Trace"
+		case rl.LogWarning:
+			level = "Warning"
+		case rl.LogFatal:
+			level = "Fatal"
+		}
+		if logType != rl.LogFatal {
+			log.Printf("%s - %s", level, str)
+		} else {
+			log.Fatalf("%s - %s", level, str)
+		}
+	})
+
+	rl.SetConfigFlags(rl.FlagVsyncHint)
+	rl.InitWindow(800, 450, "raylib [utils] example - SetTraceLogCallback")
+
+	for !rl.WindowShouldClose() {
+		rl.BeginDrawing()
+
+		rl.ClearBackground(rl.RayWhite)
+
+		rl.DrawText("The raylib trace log is controlled in GO!", 190, 200, 20, rl.LightGray)
+
+		rl.EndDrawing()
+	}
+
+	rl.CloseWindow()
+}