<?xml version="1.0"?> <PropertyList> <params> <prop_spray_speed_ms>engines/engine[2]/rpm</prop_spray_speed_ms> </params> <particlesystem> <name>rain-s</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> <and> <greater-than> <property alias="/params/prop_spray_speed_ms"/> <value>200.0</value> </greater-than> <greater-than> <property>/environment/rain-norm</property> <value>0.0</value> </greater-than> <less-than> <property>position/altitude-agl-ft</property> <value>5.0</value> </less-than> <not> <property>/sim/current-view/internal</property> </not> </and> </condition> <align>billboard</align> <attach>world</attach> <placer> <type>segments</type> <vertex> <x-m>0</x-m> <y-m>0</y-m> <z-m>0</z-m> </vertex> <vertex> <x-m>1.5</x-m> <y-m>0</y-m> <z-m>0</z-m> </vertex> <vertex> <x-m>3</x-m> <y-m>0</y-m> <z-m>0</z-m> </vertex> </placer> <shooter> <theta-min-deg>90</theta-min-deg> <theta-max-deg>90</theta-max-deg> <phi-min-deg>-15</phi-min-deg> <phi-max-deg>15</phi-max-deg> <speed-mps> <expression> <product> <property alias="/params/prop_spray_speed_ms"/> <value>1.1</value> </product> </expression> <spread>1.0</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> <!-- TODO It would be nice if we could multiply with /environment/rain-norm --> <property alias="/params/prop_spray_speed_ms"/> <factor>0.01</factor> <spread>0.01</spread> </particles-per-sec> </counter> <particle> <start> <color> <red> <property>/sim/model/c172p/lighting/particles/redcombinedstart</property> </red> <green> <property>/sim/model/c172p/lighting/particles/greencombinedstart</property> </green> <blue> <property>/sim/model/c172p/lighting/particles/bluecombinedstart</property> </blue> <alpha> <value>0.05</value> </alpha> </color> <size> <value>0.5</value> </size> </start> <end> <color> <red> <property>/sim/model/c172p/lighting/particles/redcombinedend</property> </red> <green> <property>/sim/model/c172p/lighting/particles/greencombinedend</property> </green> <blue> <property>/sim/model/c172p/lighting/particles/bluecombinedend</property> </blue> <alpha> <value>0.020</value> </alpha> </color> <size> <value>10</value> </size> </end> <life-sec> <value>1.5</value> </life-sec> <mass-kg>0.025</mass-kg> <radius-m>0.125</radius-m> </particle> <program> <fluid>air</fluid> <gravity>true</gravity> <wind>false</wind> </program> </particlesystem> </PropertyList>