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This is extra flash movies page.
It can's say "software" but has something interesting.


2009/01 * like a Galaxy


( if you don't see a flash movie above , please reload this page )
Pressing "R(andom)"button makes random-start.

This mathematic movie was born when I tried to make a whir program.
Each ball (star) spins out to outside in order.

Every ball moves by just a few lines program, but whole pictures image is
changing in every second.
And some moments, its shape looks like a Galaxy in which we live.

Once I have tried to draw a Galaxy with matematic equations but in vain.
So, I don't know this is the correct one but it could be useful knowledge
for somebody like me.

Anyway, have fun !!


for mathematic lovers :p)

**********************************************************
starNum = 800

for (i=1; i<starNum+1; i++) {
(star i)._x = (i)*sin(i*dt);
(star i)._y = (i)*cos(i*dt);
}

dt= dt + 0.02

**********************************************************

As the number of star is bigger. the radius is also bigger.
And after 800 stars are displayed, "dt" is added it's value.