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Dark GDK / Rotating object and moving forward in the direction it's facing

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haYnguy
16
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Joined: 5th Jun 2008
Location: on my island
Posted: 20th Jun 2008 06:57
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I'm having trouble figuring out a way to rotate a ship around it's Y axis and then having it move forward in the direction it is facing.

can anyone guide me in the right direction? i'm sorry for the pun

-- from my island, aloha wau 'ia 'oe --
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dark coder
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Joined: 6th Oct 2002
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Posted: 20th Jun 2008 07:19 Edited at: 20th Jun 2008 07:21
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Assuming "math.h" is included you can just:



and remember that these angles are in radians, if your 'yAngle' is in degrees then just * 0.0174532925f to make it radians.

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Codger
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Posted: 20th Jun 2008 09:40
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dbRotateObject(objID,dbObjectAngleX(objID),dbObjecdbObjectAngleY(objID)+1,dbObjecdbObjectAngleZ(objID));
dbMoveObject(objID,1)

Should work

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haYnguy
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Posted: 21st Jun 2008 23:26
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ok. something isn't working. the ship doesn't move in the direction it is facing.

-- from my island, aloha wau 'ia 'oe --
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Jonas
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Posted: 25th Jun 2008 03:44
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Look up the dbNewXValue(), dbNewYValue(), and dbNewZValue() functions.

P4 3.4ghz/2gb RAM (+PF=24gb)/GeForce 6200 A-LE 256meg AGP8x (Altered for 16pipelines, 768mb forced TurboCache-ish)/WinXP Pro/74gb WDRaptor(SATA,OS)/3x 200gb WDCaviar(IDE)/250gb WDCaviar SE16(SATA)
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dark coder
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Posted: 25th Jun 2008 07:31
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I of course meant * ( 180.0f / pi ), and not its inverse :p.

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haYnguy
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Posted: 28th Jun 2008 07:46
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Quote: "dbRotateObject(objID,dbObjectAngleX(objID),dbObjecdbObjectAngleY(objID)+1,dbObjecdbObjectAngleZ(objID));
dbMoveObject(objID,1)

Should work"


and it absolutely did. thank you so much

-- from my island, aloha wau 'ia 'oe --
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Codger
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Posted: 28th Jun 2008 19:09
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Your welcome

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jason p sage
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Location: Ellington, CT USA
Posted: 30th Jun 2008 23:54
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Remember - You might have a rotate + fix pivot yet to implement.

Is your ship "almost working" but flying up - or right always? If so, it could be you need to rotate the thing to make it so the FRONT you want really becomes the FRONT - you rotate to desired angles, then call fixpivot (dbFixObjectPivot or something)

then you might be a bit closer to what you're looking for.
--Jason


http://www.jasonpetersage.com/?PAGE=ironinfantry&SECTION=ironinfantry
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