fix supid viewport bug

engine/mob/mob.go

@@ -1,6 +1,9 @@
 package mob
 
-import "lab.zaar.be/thefish/alchemyst-go/engine/types"
+import (
+	"fmt"
+	"lab.zaar.be/thefish/alchemyst-go/engine/types"
+)
 
 type Mob struct {
 	*types.Appearance
@@ -9,7 +12,8 @@ type Mob struct {
 }
 
 func (m *Mob) Walk(dx, dy int) {
-
+	m.Coords = types.Coords{m.X + dx, m.Y + dy}
+	fmt.Printf("new coords: %d, %d\n", m.Coords.X, m.Coords.Y)
 }
 
 func (m *Mob) Render() {