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fgdata/Aircraft/c172p/Nasal/particle-effects-manager.nas

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var particle_effects_loop = func {
#particle effect colors
var alt = getprop("/position/altitude-agl-m");
var land = getprop("/fdm/jsbsim/ground/solid");
var red_diffuse = getprop("/rendering/scene/diffuse/red");
var snowlevel = getprop("/environment/snow-level-m");
var winter = getprop("/sim/startup/season-winter");
var friction = getprop("/fdm/jsbsim/ground/rolling_friction-factor");
var bumpiness = getprop("/fdm/jsbsim/ground/bumpiness");
var smooth_surface = 0;
if (friction == 1 or friction == .25 and bumpiness == 0) {
smooth_surface = 1;
}
if (land) {
if (alt > snowlevel or smooth_surface or winter) {
setprop("/sim/model/c172p/lighting/particles/redcombinedstart", red_diffuse*.8);
setprop("/sim/model/c172p/lighting/particles/greencombinedstart", red_diffuse*.8);
setprop("/sim/model/c172p/lighting/particles/bluecombinedstart", red_diffuse*.8);
setprop("/sim/model/c172p/lighting/particles/redcombinedend", red_diffuse*.9);
setprop("/sim/model/c172p/lighting/particles/greencombinedend", red_diffuse*.9);
setprop("/sim/model/c172p/lighting/particles/bluecombinedend", red_diffuse*.9);
} else {
setprop("/sim/model/c172p/lighting/particles/redcombinedstart", red_diffuse*.89);
setprop("/sim/model/c172p/lighting/particles/greencombinedstart", red_diffuse*.76);
setprop("/sim/model/c172p/lighting/particles/bluecombinedstart", red_diffuse*.57);
setprop("/sim/model/c172p/lighting/particles/redcombinedend", red_diffuse*.99);
setprop("/sim/model/c172p/lighting/particles/greencombinedend", red_diffuse*.86);
setprop("/sim/model/c172p/lighting/particles/bluecombinedend", red_diffuse*.67);
}
} else {
setprop("/sim/model/c172p/lighting/particles/redcombinedstart", red_diffuse*.90);
setprop("/sim/model/c172p/lighting/particles/greencombinedstart", red_diffuse*.95);
setprop("/sim/model/c172p/lighting/particles/bluecombinedstart", red_diffuse*.93);
setprop("/sim/model/c172p/lighting/particles/redcombinedend", red_diffuse*.92);
setprop("/sim/model/c172p/lighting/particles/greencombinedend", red_diffuse*.98);
setprop("/sim/model/c172p/lighting/particles/bluecombinedend", red_diffuse*.95);
}
#smoke and damage smoke
setprop("/sim/model/c172p/lighting/particles/redsmokestart", red_diffuse*.10);
setprop("/sim/model/c172p/lighting/particles/greensmokestart", red_diffuse*.10);
setprop("/sim/model/c172p/lighting/particles/bluesmokestart", red_diffuse*.10);
setprop("/sim/model/c172p/lighting/particles/redsmokeend", red_diffuse*.7);
setprop("/sim/model/c172p/lighting/particles/greensmokeend", red_diffuse*.7);
setprop("/sim/model/c172p/lighting/particles/bluesmokeend", red_diffuse*.85);
}