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Welcome to Fractal Forums > Fractal Software > 3D Fractal Generation > Mandelbulb 3d > Using formulas
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Author Topic: Using formulas  (Read 7496 times)
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DarkBeam
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Fragments of the fractal -like the tip of it
« Reply #15 on: January 11, 2012, 07:43:49 PM »
 shocked Done a Gnarly heightfield with DIFS!!! Ty Jesse for the sample code... angel

It requires a single iteration, but generates a great 3D heightfield (without a bitmap as input)! cheesy Itercount for Gnarl can be customized inside the formula pars, I think with the same system we can get heightfields from a lot of formulas. Less easy btw. hurt

* gedatou.jpg (103.68 KB, 746x676 - viewed 302 times.)
« Last Edit: January 11, 2012, 07:53:04 PM by DarkBeam » Logged
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DarkBeam
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Fragments of the fractal -like the tip of it
« Reply #16 on: January 21, 2012, 06:45:07 PM »
Sample images from 'PolyPyraIFS'... wink

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DarkBeam
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Fragments of the fractal -like the tip of it
« Reply #17 on: January 22, 2012, 12:28:41 PM »
 w00t !! O K !! drinking beer together drinking beer together drinking beer together drinking beer together

This just can't be true! Tell me I am dreaming huh?

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knighty
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« Reply #18 on: January 22, 2012, 12:35:30 PM »
Quote from: DarkBeam on January 22, 2012, 12:28:41 PM
This just can't be true! Tell me I am dreaming huh?
It's true! you are not deaming.  grin
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DarkBeam
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Fragments of the fractal -like the tip of it
« Reply #19 on: January 22, 2012, 12:36:48 PM »
Well, not true after all. shocked cheesy dancing banana dancing banana dancing banana

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knighty
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« Reply #20 on: January 22, 2012, 12:43:19 PM »
Niiiice! surprised dancing chilli
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DarkBeam
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Fragments of the fractal -like the tip of it
« Reply #21 on: January 22, 2012, 12:54:37 PM »
Quote from: knighty on January 22, 2012, 12:43:19 PM
Niiiice! surprised dancing chilli

Oh thanks friend, the sequence is...

0. Rot3D(x,y,z,0) + Shift3D(0,0,0) wink
1. Polyfold; pi shift seems to work way better...
theta = roundint((-atan2(x,y)+pi)/twopi*order)/order*twopi
theta = theta + shift*degtorad
x' = x cos theta - y sin theta
y' = x sin theta + y cos theta
2. Do the DE, then add something to x
3. Scale wink
« Last Edit: January 22, 2012, 12:58:09 PM by DarkBeam » Logged
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cKleinhuis
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« Reply #22 on: January 22, 2012, 02:24:27 PM »
i can not find "Rot3D" in the formula lists ... do i need to update formulas ?
can you post an m3d example ?
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DarkBeam
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Fragments of the fractal -like the tip of it
« Reply #23 on: January 22, 2012, 04:23:03 PM »
It was an example for Knighty only, in MB you don't need this, play with each formula settings wink
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DarkBeam
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Fragments of the fractal -like the tip of it
« Reply #24 on: January 22, 2012, 06:29:24 PM »
... and extending Polyfold to 3D? Folding in the same way x and z leads more or less to ... this shocked huh? w00t !!

An alien tree-planet? Well well alien

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cKleinhuis
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« Reply #25 on: January 22, 2012, 06:34:18 PM »
huh? but you are showing mandelbulber screenshots huh?
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divide and conquer - iterate and rule - chaos is No random!
DarkBeam
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Fragments of the fractal -like the tip of it
« Reply #26 on: January 22, 2012, 06:35:30 PM »
Quote from: cKleinhuis on January 22, 2012, 06:34:18 PM
huh? but you are showing mandelbulber screenshots huh?

No, Mandelbulb3D Yes !!
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DarkBeam
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Fragments of the fractal -like the tip of it
« Reply #27 on: January 22, 2012, 06:44:03 PM »
Okay, here the tree planet parameter wink


Mandelbulb3Dv17{
V.....S....O/...A....2....U/leiL6gN3.9C2jBWDnm4E8mTLwUTB1.AAreQHZkN..TpES5Gi1axj
................................OaNaNaNadz1........A./..................y.2.....
................/M.0/....6.9/...w.....E2.....QzIXLua2PrD/..........m/dkpXm1....U
z.....kD12../..........wz..................................u1....y1...sD...../..
.w1...sDECayXi7lqx1..........UjJy0vma8ej2oQ9jigdWuXbst9g9PecyYmQF6ua2PrDFMnrnNkX
Cr1YXdzcPGgRzqGthwuma8eD......Ya..............kD.2....sD..E.....................
.............oAnAr1...sD....z.MRg4.6qlO..P5f/.qRg4..slO.UW5f/.ISg4......A....k1.
..................kz.wD....U..6.P....M4.........W....M0...E6....0/...I1.....Sn42
...U.qFG98rb2zjQRYoWmx7lz16.mc..zXCc.El18XGQeGyDjvIRhrVAkz1..........2.28.kFrA0.
FWb96aAIVzvh1se7Umvxz0........../6U0.wzzz1................................E.0c..
zzzz.................................2U.8.kzzzD.................................
/6U0.wzzz1...................................sSJG.knDzA.eCFZvxB.Dzwn.wo78J9D.wwn
D1.ztkCax/knDzA.k8oPsdC.Dzwn..zGnnv0.wwnD1UsIN0Qe1knDzA.bqpwDi..Dzwn.YEP.....wwn
D1.Qq3hT0/knDzA...EsUa3.eeWCNq0.IJ36wk8.wyLsUa3..YX9ktqN........................
E....6....E.....I....Y....kQkVKNmJKG4B3.H/kI..........................U1C.U1Dwk1
0................ksyzAnAnAnAzXzD.............................U.E........kz1.....
...wz.........zD........kz14hE2Jv5G0./..........................................
.....................2.....3....8.....pPgZbFjl4N3VLG4B3.........................
....4MU/0.U.....................................................................
..cF./.......U.EMo0FIhT67.2........0.3F92FpyVY.E................................
................................}

Update the database to see the effect  Azn
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knighty
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« Reply #28 on: January 22, 2012, 07:00:12 PM »
Thank you very much for the formula.  smiley
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knighty
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« Reply #29 on: January 22, 2012, 07:01:17 PM »
And that tree planet is absolutely wonderland. grin
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