- first stab at making dynamic view parameters configurable on a per-aircraft
basis; see bo105.nas for an example; expect some changes, though - move "lookat" feature here from bo105.nas (used by "flaps up" bindings)
This commit is contained in:
mfranz
parent
354a0f59ff
commit
0529f66842
1 changed files with 90 additions and 77 deletions
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@ -84,7 +84,7 @@ ViewAxis = {
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# sim/current-view/goal-*-offset-deg properties.
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#
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ViewManager = {
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new : func(c) {
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new : func {
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var m = { parents : [ViewManager] };
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m.elapsedN = props.globals.getNode("/sim/time/elapsed-sec", 1);
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m.deltaN = props.globals.getNode("/sim/time/delta-realtime-sec", 1);
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@ -102,27 +102,33 @@ ViewManager = {
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m.pitch_axis = ViewAxis.new("/sim/current-view/goal-pitch-offset-deg");
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m.roll_axis = ViewAxis.new("/sim/current-view/goal-roll-offset-deg");
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# accerations are converted to G (one G is subtraced from z-accel)
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m.ax = Input.new("/accelerations/pilot/x-accel-fps_sec", 0.03108095, 0, 0.58, 0);
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m.ay = Input.new("/accelerations/pilot/y-accel-fps_sec", 0.03108095, 0, 0.95);
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m.az = Input.new("/accelerations/pilot/z-accel-fps_sec", -0.03108095, -1, 0.46);
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# accelerations are converted to G (one G is subtraced from z-accel)
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m.axI = Input.new("/accelerations/pilot/x-accel-fps_sec", 0.03108095, 0, 0.58, 0);
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m.ayI = Input.new("/accelerations/pilot/y-accel-fps_sec", 0.03108095, 0, 0.95);
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m.azI = Input.new("/accelerations/pilot/z-accel-fps_sec", -0.03108095, -1, 0.46);
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# velocities are converted to knots
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m.vx = Input.new("/velocities/uBody-fps", 0.5924838, 0, 0.45);
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m.vy = Input.new("/velocities/vBody-fps", 0.5924838, 0);
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m.vz = Input.new("/velocities/wBody-fps", 0.5924838, 0);
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m.vxI = Input.new("/velocities/uBody-fps", 0.5924838, 0, 0.45);
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m.vyI = Input.new("/velocities/vBody-fps", 0.5924838, 0);
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m.vzI = Input.new("/velocities/wBody-fps", 0.5924838, 0);
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# turn WoW bool into smooth values ranging from 0 to 1
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m.wow = Input.new("/gear/gear/wow", 1, 0, 0.74);
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m.wowI = Input.new("/gear/gear/wow", 1, 0, 0.74);
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m.hdg_change = aircraft.lowpass.new(0.95);
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m.ubody = aircraft.lowpass.new(0.95);
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m.last_heading = m.headingN.getValue();
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m.size_factor = -getprop("/sim/chase-distance-m") / 25;
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m.is_helicopter = props.globals.getNode("rotors", 0) != nil;
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if (props.globals.getNode("rotors", 0) != nil) {
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m.default_helicopter();
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} else {
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m.default_plane();
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}
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m.reset();
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return m;
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},
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reset : func {
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me.lookat_active = 0;
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me.heading_axis.reset();
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me.pitch_axis.reset();
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me.roll_axis.reset();
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@ -134,55 +140,88 @@ ViewManager = {
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me.roll_axis.add_offset();
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},
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apply : func {
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var pitch = me.pitchN.getValue();
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var roll = me.rollN.getValue();
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var wow = me.wow.get();
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var az = me.az.get();
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var vx = me.vx.get();
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if (me.lookat_active) {
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me.heading_axis.prop.setValue(me.lookat_heading);
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me.pitch_axis.prop.setValue(me.lookat_pitch);
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return;
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}
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# calculate sideslip factor (zeroed when no forward ground speed)
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var wspd = me.wind_speedN.getValue();
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var wdir = me.headingN.getValue() - me.wind_dirN.getValue();
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var u = vx - wspd * cos(wdir);
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var slip = sin(me.slipN.getValue()) * me.ubody.filter(normatan(u / 10));
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me.pitch = me.pitchN.getValue();
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me.roll = me.rollN.getValue();
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me.wow = me.wowI.get();
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me.calc != nil and me.calc();
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me.calc_heading != nil and me.heading_axis.apply(me.calc_heading());
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me.calc_pitch != nil and me.pitch_axis.apply(me.calc_pitch());
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me.calc_roll != nil and me.roll_axis.apply(me.calc_roll());
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},
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lookat : func(h = nil, p = nil) {
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if (h == nil) {
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view.resetView();
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me.lookat_active = 0;
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return;
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}
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me.lookat_heading = h;
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me.lookat_pitch = p;
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me.lookat_active = 1;
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},
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};
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ViewManager.default_plane = func {
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me.calc = func {
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# calculate steering factor
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var hdg = me.headingN.getValue();
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var hdiff = normdeg(me.last_heading - hdg);
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me.last_heading = hdg;
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var steering = normatan(me.hdg_change.filter(hdiff)) * me.size_factor;
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me.steering = normatan(me.hdg_change.filter(hdiff)) * me.size_factor;
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if (me.is_helicopter) {
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var speed = 1 - normatan(me.speedN.getValue() / 20);
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me.az = me.azI.get();
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me.vx = me.vxI.get();
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me.heading_axis.apply( # view heading due to ...
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(roll < 0 ? -50 : -25) * npow(sin(roll) * cos(pitch), 2) # roll
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);
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me.pitch_axis.apply( # view pitch due to ...
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(pitch < 0 ? -35 : -40) * sin(pitch) * speed # pitch
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+ 15 * sin(roll) * sin(roll) # roll
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);
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me.roll_axis.apply( # view roll due to ...
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-15 * sin(roll) * cos(pitch) * speed # roll
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);
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# calculate sideslip factor (zeroed when no forward ground speed)
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var wspd = me.wind_speedN.getValue();
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var wdir = me.headingN.getValue() - me.wind_dirN.getValue();
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var u = me.vx - wspd * cos(wdir);
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me.slip = sin(me.slipN.getValue()) * me.ubody.filter(normatan(u / 10));
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}
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} else {
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me.heading_axis.apply( # heading ...
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-15 * sin(roll) * cos(pitch) # due to roll
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+ 40 * steering * wow # due to ground steering
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+ 10 * slip * (1 - wow) # due to sideslip (in air)
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);
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me.pitch_axis.apply( # pitch ...
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10 * sin(roll) * sin(roll) # due to roll
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+ 30 * (1 / (1 + math.exp(2 - az)) # due to G load
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- 0.119202922) # [move to origin; 1/(1+exp(2)) ]
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);
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me.roll_axis.apply( # roll ...
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0.0 * sin(roll) * cos(pitch) # due to roll (none)
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);
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}
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},
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};
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me.calc_heading = func { # heading
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-15 * sin(me.roll) * cos(me.pitch) # due to roll
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+ 40 * me.steering * me.wow # due to ground steering
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+ 10 * me.slip * (1 - me.wow) # due to sideslip (in air)
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}
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me.calc_pitch = func { # pitch
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10 * sin(me.roll) * sin(me.roll) # due to roll
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+ 30 * (1 / (1 + math.exp(2 - me.az)) # due to G load
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- 0.119202922) # [move to origin; 1/(1+exp(2)) ]
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}
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me.calc_roll = nil;
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}
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ViewManager.default_helicopter = func {
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me.calc = func {
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me.lowspeed = 1 - normatan(me.speedN.getValue() / 20);
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}
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me.calc_heading = func { # view heading due to
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-50 * npow(sin(me.roll) * cos(me.pitch), 2) # roll
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}
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me.calc_pitch = func { # view pitch due to
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(me.pitch < 0 ? -35 : -40) * sin(me.pitch) * me.lowspeed # pitch
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+ 15 * sin(me.roll) * sin(me.roll) # roll
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}
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me.calc_roll = func { # view roll due to
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-15 * sin(me.roll) * cos(me.pitch) * me.lowspeed # roll
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}
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}
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@ -201,17 +240,6 @@ main_loop = func(id) {
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# Register new, aircraft specific manager. (Needs to offer the
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# same methods, of course.)
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#
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register = func(mgr) {
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view_manager = mgr;
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var p = "/sim/view/dynamic/enabled";
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setprop(p, getprop(p)); # fire listener
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}
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var original_resetView = nil;
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var panel_visibilityN = nil;
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var dynamic_view = nil;
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@ -265,22 +293,7 @@ setlistener("/sim/signals/fdm-initialized", func {
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mouse_button = cmdarg().getBoolValue();
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}, 1));
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var config = props.Node.new({
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"heading-due-to" : {
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"roll" : -15,
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"ground-steering" : 40,
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"side-slip" : 0.4,
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},
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"pitch-due-to" : {
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"roll" : 10,
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"g-load" : 30,
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},
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"roll-due-to" : {
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"roll" : 0,
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},
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});
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props.copy(props.globals.getNode("/sim/view/dynamic", 1), config);
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view_manager = ViewManager.new(config);
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view_manager = ViewManager.new();
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original_resetView = view.resetView;
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view.resetView = func {
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