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#1 2009-07-22 22:08:07

weswesrock
Scratcher
Registered: 2009-06-25
Posts: 500+

How do I make a Parabola?

I  want to make a sprite go back and forth on a parabola and draw it using the pen tool. How do I make a single parabola without using sine or cosine?

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#2 2009-07-23 12:19:16

weswesrock
Scratcher
Registered: 2009-06-25
Posts: 500+

Re: How do I make a Parabola?

Do I need to clarify?

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#3 2009-07-23 12:25:37

archmage
Scratcher
Registered: 2007-05-18
Posts: 1000+

Re: How do I make a Parabola?

http://www.mathwarehouse.com/geometry/parabola/

Its grade 10 math

the formula is y=x^2+ax+b


Hi, I am Archmage coder extraordinaire. I do Scratch,pascal,java,php,html, AS2 and AS3. Leave me a message if you want coding advice. Also check out my personal website, lots of good stuff about web development, Flash, and Scratch (v1 and v2) !

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#4 2009-07-23 12:35:44

weswesrock
Scratcher
Registered: 2009-06-25
Posts: 500+

Re: How do I make a Parabola?

archmage wrote:

http://www.mathwarehouse.com/geometry/parabola/

Its grade 10 math

the formula is y=x^2+ax+b

I now the formula and everything, but how do I implament it as a movement?
I scripted it before as "set y to x-position*x-position..." and so on

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#5 2009-07-23 12:51:04

archmage
Scratcher
Registered: 2007-05-18
Posts: 1000+

Re: How do I make a Parabola?

try looking at the scripts in this project
http://scratch.mit.edu/projects/DrSuper/337979


Hi, I am Archmage coder extraordinaire. I do Scratch,pascal,java,php,html, AS2 and AS3. Leave me a message if you want coding advice. Also check out my personal website, lots of good stuff about web development, Flash, and Scratch (v1 and v2) !

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#6 2009-07-23 12:55:32

weswesrock
Scratcher
Registered: 2009-06-25
Posts: 500+

Re: How do I make a Parabola?

archmage wrote:

try looking at the scripts in this project
http://scratch.mit.edu/projects/DrSuper/337979

Thanks!

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