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Initialize speed from mach number or vcas more-or-less properly.

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This commit is contained in:
david 2003-03-02 01:44:11 +00:00
parent 1e5d48d1d9
commit c7998b9940
1 changed files with 10 additions and 6 deletions
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16
src/FDM/YASim/YASim.cxx
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@ -276,6 +276,7 @@ void YASim::copyToYASim(bool copyState)
// Velocity
string speed_set = fgGetString("/sim/presets/speed-set", "UVW");
float v[3];
bool needCopy = false;
switch (_speed_set) {
case NED:
v[0] = get_V_north() * FT2M * -1.0;
@ -289,17 +290,19 @@ void YASim::copyToYASim(bool copyState)
Math::tmul33(s.orient, v, v);
break;
case KNOTS:
// FIXME: right now this does true instead of calibrated airspeed
v[0] = get_V_calibrated_kts()/MPS2KTS;
v[0] = Atmosphere::spdFromVCAS(get_V_calibrated_kts()/MPS2KTS,
pressure, temp);
v[1] = 0;
v[2] = 0;
Math::tmul33(s.orient, v, v);
needCopy = true;
break;
case MACH:
// FIXME: not even trying to implement this yet
v[0] = 0;
v[0] = Atmosphere::spdFromMach(get_Mach_number(), temp);
v[1] = 0;
v[2] = 0;
Math::tmul33(s.orient, v, v);
needCopy = true;
break;
default:
v[0] = 0;
@ -307,10 +310,11 @@ void YASim::copyToYASim(bool copyState)
v[2] = 0;
break;
}
_speed_set = UVW; // change to this after initial setting
if (!copyState)
_speed_set = UVW; // change to this after initial setting
Math::set3(v, s.v);
if(copyState)
if(copyState || needCopy)
model->setState(&s);
// wind