<?xml version="1.0" encoding="iso-8859-1"?>

<PropertyList>

  <particlesystem>
    <name>tiptrail-p</name>
    <type>trail</type>
    <texture>continous_smoke.png</texture>
    <emissive>false</emissive>
    <lighting>true</lighting>
    <pass>true</pass>

    <condition>
      <and>
        <greater-than>
          <property>/environment/relative-humidity</property>
          <value>98</value>
        </greater-than>
        <greater-than>
          <property>/environment/temperature-degc</property>
          <value>0</value>
        </greater-than>
        <greater-than>
          <property>velocities/airspeed-kt</property>
          <value>180</value>
        </greater-than>
        <or>
          <less-than>
            <property>surface-positions/left-aileron-pos-norm</property>
            <value>-0.2</value>
          </less-than>
          <less-than>
            <property>surface-positions/elevator-pos-norm</property>
            <value>-0.3</value>
          </less-than>
        </or>
      </and>
    </condition>

    <attach>world</attach>

    <placer>
      <type>point</type>
    </placer>

    <shooter>
      <speed-mps>
        <value>0</value>
        <spread>0</spread>
      </speed-mps>
    </shooter>

    <counter>
      <particles-per-sec>
        <property>/velocities/airspeed-kt</property>
        <factor>1</factor>
        <offset>75</offset>
      </particles-per-sec>
    </counter>

    <align>fixed</align>

    <particle>

      <start>
        <color>
          <red><value>   1.0 </value></red>
          <green><value> 1.0 </value></green>
          <blue><value>  1.0 </value></blue>
          <alpha><value> 0.1 </value></alpha>
        </color>
        <size>
          <value>0.10</value>
        </size>
      </start>

      <end>
        <color>
          <red><value>    1.00  </value></red>
          <green><value>  1.00  </value></green>
          <blue><value>   1.00  </value></blue>
          <alpha><value>  0.08  </value></alpha>
        </color>
        <size>
          <value>1.0</value>
        </size>
      </end>

      <life-sec>
        <value>0.3</value>
      </life-sec>

      <mass-kg>0.01</mass-kg>
      <radius-m>0.1</radius-m>
    </particle>

    <program>
      <fluid>  air </fluid>
      <gravity>true</gravity>
      <wind>   true</wind>
    </program>

  </particlesystem>

</PropertyList>
