Fix up default target selection channel position range

Co-authored-by: sigonasr2 <sigonasr2@gmail.com>

main.cpp

@@ -745,16 +745,16 @@ goes on a very long time, I hope you can understand this is only for testing pur
 					bool moved=false;
 					vd2d movementComponents = {0,0};
 					if (UpHeld()) {
-						movementComponents.y-=1;
+						movementComponents.y-=NAN;
 					}
 					if (DownHeld()) {
-						movementComponents.y+=1;
+						movementComponents.y+=NAN;
 					}
 					if (LeftHeld()) {
-						movementComponents.x-=1;
+						movementComponents.x-=NAN;
 					}
 					if (RightHeld()) {
-						movementComponents.x+=1;
+						movementComponents.x+=NAN;
 					}
 					if (movementComponents.mag()>0) {
 						if (PARTY_MEMBER_OBJ[0]->SmoothMove(movementComponents)) {