fgdata/Aircraft/Generic/Effects/tyre-smoke-port.xml

<?xml version="1.0"?>

<PropertyList>

	<particlesystem>
		<name>tyre-smoke-p</name>
		<texture>smoke.png</texture>
		<emissive>false</emissive>
		<lighting>false</lighting>

		<offsets>
			<x-m>0</x-m>
			<y-m>0</y-m>
			<z-m>0</z-m>
		</offsets>

		<condition>
			<property>gear/gear[1]/tyre-smoke</property>
			<value>1</value>
		</condition>

		<!--<condition>
			<or>
				<property>gear/gear[0]/wow</property>
				<property>gear/gear[2]/wow</property>
			</or>
		</condition>
		<volume>
			<property>velocities/speed-down-fps</property>
			<factor>0.05</factor>
		</volume>
		<volume>
			<property>velocities/airspeed-kt</property>
			<factor>0.01</factor>
		</volume>-->

		<attach>world</attach>

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

		<shooter>
			<theta-min-deg>45</theta-min-deg>
			<theta-max-deg>85</theta-max-deg>
			<phi-min-deg>-60</phi-min-deg>
			<phi-max-deg>60</phi-max-deg>
			<speed-mps>
				<value>50</value>
				<spread>5</spread>
			</speed-mps>
			<rotation-speed>
				<x-max-deg-sec>15</x-max-deg-sec>
				<x-min-deg-sec>-15</x-min-deg-sec>
				<y-max-deg-sec>15</y-max-deg-sec>
				<y-min-deg-sec>-15</y-min-deg-sec>
				<z-max-deg-sec>15</z-max-deg-sec>
				<z-min-deg-sec>-15</z-min-deg-sec>
			</rotation-speed>
		</shooter>

		<counter>
			<particles-per-sec>
				<value>250</value>
				<spread>100</spread>
			</particles-per-sec>
		</counter>

		<align>billboard</align>

		<particle>
			<start>
				<color>
					<red>
						<value>0.95</value>
					</red>
					<green>
						<value>0.95</value>
					</green>
					<blue>
						<value>0.95</value>
					</blue>
					<alpha>
						<value>0.05</value>
					</alpha>
				</color>
				<size>
					<value>0.5</value>
				</size>
			</start>
			<end>
				<color>
					<red>
						<value>1</value>
					</red>
					<green>
						<value>1</value>
					</green>
					<blue>
						<value>1</value>
					</blue>
					<alpha>
						<value>0.020</value>
					</alpha>
				</color>
				<size>
					<value>10</value>
				</size>
			</end>
			<life-sec>
				<value>1</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>