Hi, I've been using ParticleSystem to draw particles, and it has been doing fine until I turned on vsync on my game. The game has like 10 kinds of configured emitters generated by the particle editor, and while other 9 works just fine with vsync turned on, this particular emitter acts different when I'm running my game at 2000 FPS and when vsynced at 60FPS.
I'm using delta to update the particle system and since other 9 emitters works fine with vsync, I'm no sure why this one acts weird.
It's supposed to spread 180 degrees towards top screen but it will instead fall towards the bottom screen when running the game at 60 fps.
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<emitter imageName="p_blood.png" name="Default" renderType="inherit" useAdditive="false" useOriented="false">
<spawnInterval enabled="true" max="3000.0" min="3000.0"/>
<spawnCount enabled="true" max="5.0" min="5.0"/>
<initialLife enabled="true" max="1500.0" min="500.0"/>
<initialSize enabled="false" max="10.0" min="10.0"/>
<xOffset enabled="true" max="3.0" min="-3.0"/>
<yOffset enabled="true" max="3.0" min="-3.0"/>
<initialDistance enabled="true" max="0.0" min="0.0"/>
<speed enabled="true" max="5.0" min="1.0"/>
<length enabled="true" max="1500.0" min="1500.0"/>
<emitCount enabled="false" max="1000.0" min="1000.0"/>
<spread type="random" value="57.0"/>
<angularOffset type="simple" value="360.0"/>
<growthFactor type="simple" value="0.0"/>
<gravityFactor type="simple" value="17.0"/>
<windFactor type="simple" value="0.0"/>
<startAlpha type="simple" value="255.0"/>
<endAlpha type="simple" value="0.0"/>
<alpha active="true" max="255" min="0" type="linear">
<point x="0.0" y="255.0"/>
<point x="0.31198347" y="255.0"/>
<point x="0.44008264" y="158.82857"/>
<point x="0.7252066" y="59.742855"/>
<point x="1.0" y="0.0"/>
</alpha>
<size active="true" max="50" min="0" type="linear">
<point x="0.0" y="8.285714"/>
<point x="0.0661157" y="12.285714"/>
<point x="0.20661157" y="9.428572"/>
<point x="0.38842976" y="1.7142857"/>
<point x="1.0" y="26.0"/>
</size>
<velocity active="true" max="1" min="-1" type="linear">
<point x="0.0" y="0.114285715"/>
<point x="0.04338843" y="0.18857142"/>
<point x="0.11983471" y="0.14285715"/>
<point x="0.34917355" y="0.05142857"/>
<point x="0.6859504" y="-0.17714286"/>
<point x="1.0" y="-0.69142854"/>
</velocity>
<scaleY active="false" max="1" min="0" type="linear">
<point x="0.0" y="0.0"/>
<point x="1.0" y="1.0"/>
</scaleY>
<color>
<step b="1.0" g="1.0" offset="0.0" r="1.0"/>
<step b="0.0" g="0.0" offset="1.0" r="1.0"/>
</color>
</emitter>
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