Cos and sin. Awsome

SLOCM3ZSLOCM3Z Member Posts: 797
edited May 2015 in Working with GS (PC)

Hello,

I was wondering if someone could briefly explain cos and sin and what they do. I was also wondering what are some cool equations they are usable in.

Thanks

Comments

  • jonmulcahyjonmulcahy Member, Sous Chef Posts: 10,408

    @socks has given some awesome demos in the past. at it's most basic it can be used to orbit a point. you can also use it to do some crazy stuff with rotation/waves and more.

  • SummationSummation Member, PRO Posts: 476

    @jdlcrater said:
    Hello,

    I was wondering if someone could briefly explain cos and sin and what they do. I was also wondering what are some cool equations they are usable in.

    Thanks

    https://www.mathsisfun.com/sine-cosine-tangent.html

  • ArmellineArmelline Member, PRO Posts: 5,408

    I threw together a quick video explaining very briefly what they do and demonstrating their use. I have an "Illustrated Guide to Sine and Cosine" planned but this is a quick intro until then.

    Hopefully it makes sense, I didn't watch it after recording it, just chopped out some frames that would have had me breaking NDAs...

  • MentalDonkeyGamesMentalDonkeyGames Member Posts: 1,276

    @Armelline Nice! Really looking forward to the sin & cos guide.

  • SummationSummation Member, PRO Posts: 476

    @Armelline Great video, but the sound is really quiet. :)

  • SLOCM3ZSLOCM3Z Member Posts: 797

    @jonmulcahy said:
    socks has given some awesome demos in the past. at it's most basic it can be used to orbit a point. you can also use it to do some crazy stuff with rotation/waves and more.

    I think I bugged him too much about it.

    @Summation said:
    https://www.mathsisfun.com/sine-cosine-tangent.html

    Great! Thanks!> @Armelline said:

    I threw together a quick video explaining very briefly what they do and demonstrating their use. I have an "Illustrated Guide to Sine and Cosine" planned but this is a quick intro until then.

    Hopefully it makes sense, I didn't watch it after recording it, just chopped out some frames that would have had me breaking NDAs...

    Thanks so much. Those are REALLY cool.

  • SLOCM3ZSLOCM3Z Member Posts: 797

    I just got a game idea with the waves he showed me! Thanks guys!

  • SocksSocks London, UK.Member Posts: 12,822
    edited May 2015

    @jdlcrater said:
    I was wondering if someone could briefly explain cos and sin and what they do.

    Cosine and sine don't do anything, asking what cos and sin do is like asking what West and North do !

    If you have a circle - and you draw a line from the centre to the edge, at whatever angle you like, we call the horizontal distance from the centre of the circle to the end point of that angle the 'cosine' of that angle, and we call the vertical distance from the centre of the circle to the end point of that angle the 'sine' of that angle.

  • ArmellineArmelline Member, PRO Posts: 5,408

    Here's a good gif of how @Sock's information about circles translates to the practical uses in GameSalad in my video:

  • floatingwoofloatingwoo Los Angeles, Calif.Member Posts: 393

    @Armelline Wow Nice find! Or did you make that yourself?

  • FlyboyTrevy_FlyboyTrevy_ Member, PRO Posts: 148

    @Socks This is why we love you Socks.

    Trig was never my strong point in high school, good thing I'm not in a mathematics major... I was always in advanced or elevated math classes, but when the dreaded Trig unit came I was always totally screwed for that unit. :smiley: :blush: Ahhh High School.

    @Armelline Great video man!

  • FlyboyTrevy_FlyboyTrevy_ Member, PRO Posts: 148

    @Socks This is why we love you Socks.

    Trig was never my strong point in high school, good thing I'm not in a mathematics major... I was always in advanced or elevated math classes, but when the dreaded Trig unit came I was always totally screwed for that unit. :smiley: :blush: Ahhh High School.

    @Armelline Great video man!

  • ArmellineArmelline Member, PRO Posts: 5,408

    @floatingwoo said:
    Armelline Wow Nice find! Or did you make that yourself?

    Just something I saw one time that Google found again swiftly for me!

  • SLOCM3ZSLOCM3Z Member Posts: 797

    @Socks said:
    Cosine and sine don't do anything, asking what cos and sin do is like asking what West >and North do !
    If you have a circle - and you draw a line from the centre to the edge, at whatever angle >you like, we call the horizontal distance from the centre of the circle to the end point of >that angle the 'cosine' of that angle, and we call the vertical distance from the centre of >the circle to the end point of that angle the 'sine' of that angle.

    Well, that shows my skill in it. Thanks for clearing that up :)

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