oprf_assets/depot/Models/smoke.xml

<PropertyList>
  
  <particlesystem>
    <name>smoke</name>

    <texture>smoke.png</texture>

    <condition>
	  <equals>
  		<property>sim/multiplay/generic/int[0]</property>
  		<value>1</value>
  	</equals>
    </condition>

    <emissive>false</emissive>
    <lighting>false</lighting>
    <align>billboard</align> <!-- billboard / fixed -->
    <attach>world</attach> <!-- world / local-->

    <placer>
      <type>point</type>
    </placer>
    <shooter>
      <theta-min-deg>20</theta-min-deg>
      <theta-max-deg>35</theta-max-deg>
      <phi-min-deg>-15</phi-min-deg>
      <phi-max-deg> 15</phi-max-deg>
      <speed-mps>
        <value>25</value>
        <spread>50</spread>
      </speed-mps>
      <rotation-speed>
        <x-min-deg-sec>0</x-min-deg-sec>
        <y-min-deg-sec>0</y-min-deg-sec>
        <z-min-deg-sec>-180</z-min-deg-sec>
        <x-max-deg-sec>0</x-max-deg-sec>
        <y-max-deg-sec>0</y-max-deg-sec>
        <z-max-deg-sec>180</z-max-deg-sec>
      </rotation-speed>
    </shooter>
    <counter>
      <particles-per-sec>
        <value>2</value>
        <spread>50</spread>
      </particles-per-sec>
    </counter>
    <particle>
      <start>
        <color>
          <red><value>0.0</value></red>
          <green><value>0.0</value></green>
          <blue><value>0.0</value></blue>
          <alpha><value>0.75</value></alpha>
        </color>
        <size>
          <value>20.0</value>
        </size>
      </start>
      <end>
        <color>
          <red><value>0.0</value></red>
          <green><value>0.0</value></green>
          <blue><value>0.0</value></blue>
          <alpha><value>0.0</value></alpha>
        </color>
        <size>
          <value>200.0</value>
        </size>
      </end>
      <life-sec>
        <value>40</value>
      </life-sec>
      <mass-kg>0.0075</mass-kg>
      <radius-m>0.40</radius-m>
    </particle>
    <program>
      <fluid>air</fluid>
      <gravity type="bool">true</gravity>
      <wind type="bool">true</wind>
    </program>
  </particlesystem>

  
</PropertyList>