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

<PropertyList>
	
	<particlesystem>
		<name>engine-spray-reverse</name>
		<texture>res/smoke.png</texture>
		<emissive>false</emissive>
		<lighting>false</lighting>
				
		<attach>world</attach>
		
			<placer>
				<type>segments</type>
				<vertex>
					<x-m>1</x-m>
					<y-m>3</y-m>
					<z-m>-1</z-m>
				</vertex>
				<vertex>
					<x-m>1</x-m>
					<y-m>-3</y-m>
					<z-m>-1</z-m>
				</vertex>
			</placer>
		
		<shooter>
            <theta-min-deg>0</theta-min-deg>
            <theta-max-deg>0</theta-max-deg>
            <phi-min-deg>0</phi-min-deg>
            <phi-max-deg>0</phi-max-deg>
            <speed-mps>
                <value>10</value>
                <spread>1</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>
						<property>environment/surface/wetness</property>
						<value>50</value>
					</product>
				</expression>
				<spread>0</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>0.2</value>
								<property>environment/surface/wetness</property>
							</product>
						</expression>
					</alpha>
				</color>
             <size>
                 <value>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>0.1</value>
								<property>environment/surface/wetness</property>
							</product>
						</expression>
					</alpha>
				</color>
            <size>
            	<value>10</value>
            </size>
         </end>
         <life-sec>
             <value>0.5</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>