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<command arg="-root"/>
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<number id="delay" type="slider" arg="-delay %"
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_label="Speed" _low-label="Slow" _high-label="Fast"
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low="0" high="20000" default="12000"
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<number id="count" type="spinbutton" arg="-count %"
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_label="Blob Count" low="0" high="100" default="12"/>
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<option id="transparent" _label="Transparent Blobs"/>
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<option id="opaque" _label="Opaque Blobs" arg-set="-mode opaque"/>
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<option id="xor" _label="XOR Blobs" arg-set="-mode xor"/>
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<select id="color-mode">
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<option id="additive" _label="Additive Colors (reflected light)"/>
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<option id="subtractive" _label="Subtractive Colors (transmitted light)"
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arg-set="-subtractive"/>
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<number id="torque" type="slider" arg="-torque %"
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_label="Rotational Speed" _low-label="Slow" _high-label="Fast"
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low="0.0002" high="0.0500" default="0.0075"/>
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<number id="elasticity" type="slider" arg="-elasticity %"
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_label="Elasticity" _low-label="Low" _high-label="High"
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low="0.1" high="5.0" default="0.9"/>
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<number id="maxv" type="slider" arg="-max-velocity %"
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_label="Speed Limit" _low-label="Slow" _high-label="Fast"
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low="0.1" high="3.0" default="0.5"/>
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<number id="delay" type="slider" arg="-delay %"
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_label="Frame rate" _low-label="Low" _high-label="High"
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low="0" high="100000" default="12000"
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<number id="torque" type="slider" arg="-torque %"
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_label="Speed" _low-label="Slow" _high-label="Fast"
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low="0.0002" high="0.0500" default="0.0075"/>
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<number id="count" type="slider" arg="-planes %"
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_label="Blobs" _low-label="Few" _high-label="Many"
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low="1" high="50" default="12"/>
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<number id="elasticity" type="slider" arg="-elasticity %"
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_label="Elasticity" _low-label="Low" _high-label="High"
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low="0.1" high="5.0" default="0.9"/>
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<number id="maxv" type="slider" arg="-max-velocity %"
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_label="Speed limit" _low-label="Low" _high-label="High"
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low="0.1" high="3.0" default="0.5"/>
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<boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
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<option id="transparent" _label="Transparent blobs"/>
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<option id="opaque" _label="Opaque blobs" arg-set="-mode opaque"/>
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<option id="xor" _label="XOR blobs" arg-set="-mode xor"/>
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<select id="color-mode">
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<option id="additive" _label="Additive colors (reflected light)"/>
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<option id="subtractive" _label="Subtractive colors (transmitted light)"
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arg-set="-subtractive"/>
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This draws set of animating, transparent, amoeba-like blobs. The blobs
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change shape as they wander around the screen, and they are translucent,
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so you can see the lower blobs through the higher ones, and when one
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passes over another, their colors merge. I got the idea for this from
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a cool mouse pad I have, which achieves the same kind of effect in real
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a mouse pad I had once, which achieved the same kind of effect in real
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life by having several layers of plastic with colored oil between them.
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Written by Jamie Zawinski; 1997.