<?xml version="1.0" encoding="UTF-8" ?>

<PropertyList>
   <particlesystem>
		<name>wing-condensation</name>
		<texture>res/smoke.png</texture>
		<emissive>false</emissive>
		<lighting>false</lighting>
		<type>normal</type>
		<attach>local</attach>

		<condition>
			<and>
			   <greater-than-equals>
					<expression>
						<sum>
							<product>
								<property>environment/relative-humidity</property>								
								<value>0.075</value>
							</product>
							<property>fdm/jsbsim/aero/alpha-deg-norm</property>									
						 </sum>
					</expression>			  
					<value>13.5</value>
			   </greater-than-equals>
			   <greater-than>
					<property>velocities/groundspeed-kt</property>
					<value>100</value>
				</greater-than>
				<less-than>
					<property>velocities/groundspeed-kt</property>
					<value>210</value>
				</less-than>
				<greater-than>
					<property>environment/relative-humidity</property>
					<value>50</value>
				</greater-than>
				<less-than-equals>
					<property>environment/temperature-degc</property>
					<value>28</value>
				</less-than-equals>
				<greater-than>
					<property>position/altitude-agl-ft</property>
					<value>0</value>
				</greater-than>
				<less-than>
					<property>position/altitude-agl-ft</property>
					<value>8000</value>
				</less-than>
				<greater-than>
					<property>fdm/jsbsim/aero/alpha-deg</property>	
					<value>0</value>
				</greater-than>
			</and>
		</condition>

		<placer>
			<type>segments</type>
			<vertex>
				<x-m>-2.8</x-m>
				<y-m>-2.3</y-m>
				<z-m>-0.8</z-m>
			</vertex>
			<vertex>
				<x-m>2.0</x-m>
				<y-m>-16</y-m>
				<z-m>0.3</z-m>
			</vertex>
			<vertex>
				<x-m>-1.2</x-m>
				<y-m>-8.7</y-m>
				<z-m>-0.3</z-m>
			</vertex>
		</placer>

	 <shooter>
		 <theta-min-deg>
			<!-- <expression>
					<sum>
					<value>70</value>
					<property>systems/navigation/adr/output/aoa-1</property>
				 </sum>
			  </expression> -->
			  <value>90</value>
		 </theta-min-deg>
		 <theta-max-deg>
			<!-- <expression>
					<sum>
					<value>110</value>
					<property>systems/navigation/adr/output/aoa-1</property>
				 </sum>
			  </expression> -->
			  <value>90</value>		   
		 </theta-max-deg>
		 <phi-min-deg>90</phi-min-deg>
		 <phi-max-deg>90</phi-max-deg>
		 <speed-mps>
			<!-- <expression>
				<product>
					<property>velocities/groundspeed-kt</property>
					<value>-1</value>
				</product>
				</expression> -->			  
			<value>0</value>
			<spread>0</spread>
		 </speed-mps>
		 <rotation-speed>
			 <x-max-deg-sec>180</x-max-deg-sec>
			 <x-min-deg-sec>180</x-min-deg-sec>
			 <y-max-deg-sec>180</y-max-deg-sec>
			 <y-min-deg-sec>-180</y-min-deg-sec>
			 <z-max-deg-sec>-180</z-max-deg-sec>
			 <z-min-deg-sec>-180</z-min-deg-sec>
		 </rotation-speed>
	 </shooter>

	 <counter>
		 <particles-per-sec>
			<expression>
				<product>
					<value>4</value>
					<property>environment/relative-humidity</property>
				</product>
			</expression>
			<spread>10</spread>
		 </particles-per-sec>
	 </counter>

	 <align>billboard</align>

	 <particle>
		 <start>
				<color>
					<red>
						<expression>
							<product>
								<value>0.01</value>
								<property>environment/relative-humidity</property>
							</product>
						</expression>
					</red>
					<green>
						<expression>
							<product>
								<value>0.01</value>
								<property>environment/relative-humidity</property>
							</product>
						</expression>
					</green>
					<blue>
						<expression>
							<product>
								<value>0.01</value>
								<property>environment/relative-humidity</property>
							</product>
						</expression>
					</blue>
					<alpha>
						<expression>
							<product>
								<value>0.0007</value>
								<property>environment/relative-humidity</property>
							</product>
						</expression>
					</alpha>
				</color>
				<size>
					<value>1.5</value>
				</size>
		 </start>
		 <end>
				<color>
					<red>
						<expression>
							<product>
								<value>0.01</value>
								<property>environment/relative-humidity</property>
							</product>
						</expression>
					</red>
					<green>
						<expression>
							<product>
								<value>0.01</value>
								<property>environment/relative-humidity</property>
							</product>
						</expression>
					</green>
					<blue>
						<expression>
							<product>
								<value>0.01</value>
								<property>environment/relative-humidity</property>
							</product>
						</expression>
					</blue>
					<alpha>
						<expression>
							<product>
								<value>0.00001</value>
								<property>environment/relative-humidity</property>
							</product>
						</expression>
					</alpha>
				</color>
			<size>
				<value>2</value>
			</size>
		 </end>
		 <life-sec>
			 <value>0.00001</value>
		 </life-sec>
		 <mass-kg>0.025</mass-kg>
		 <radius-m>0.175</radius-m>
	 </particle>

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

	</particlesystem>

</PropertyList>