Tweak how tire squeal volume is calculated ... probably needs some more work.

diff --git a/src/Sound/fg_fx.cxx b/src/Sound/fg_fx.cxx
index a344fd425e05f9d95559f7b1674e673643574a98..c7820b94b05a4054fabe0d522a0ff35017e349cb 100644 (file)
--- a/src/Sound/fg_fx.cxx
+++ b/src/Sound/fg_fx.cxx
@@ -315,9 +315,12 @@ FGFX::update ()
     if (cur_fdm_state->get_gear_unit(i)->GetWoW()) {
       gearOnGround++;
       if (!_gear_on_ground[i]) {
-       double squeal_volume = cur_fdm_state->get_V_down() / 5.0;
+        // 3 parts horizontal velocity + 1 part vertical velocity
+       double squeal_volume = 0.75 * cur_fdm_state->get_V_equiv_kts() / 90.0 +
+            0.25 * cur_fdm_state->get_V_down() / 5.0;
        if (squeal_volume > 0.1) {
          _squeal->set_volume(squeal_volume);
+         _squeal->set_pitch(1.25);
          mgr->play_once("squeal");
        }
        _gear_on_ground[i] = true;