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< > BotCompany Repo | #1014002 // mandelbrotZoomCoordinates

JavaX fragment (include)

static double mandelbrotZoomCoordinates_ratio = 16.0/9;
static double mandelbrotZoomCoordinates_zoomStep = 1-1e-2;

static L<DoubleRect> mandelbrotZoomCoordinates(int steps, double lookAtX, double lookAtY) {
  int nSteps = 0;
  new L<DoubleRect> l;
  for (double w = 1.0; nSteps < steps; w *= mandelbrotZoomCoordinates_zoomStep) {
    ++nSteps;
    double h = w/mandelbrotZoomCoordinates_ratio;
    double x1 = lookAtX-w;
    double x2 = lookAtX+w;
    double y1 = lookAtY-h;
    double y2 = lookAtY+h;
    //print(nSteps + ": "+ x1 + ", " + y1 + ", " + x2 + ", " + y2);
    l.add(DoubleRect(x1, y1, x2-x1, y2-y1));
  }
  ret l;
}

Author comment

Began life as a copy of #1014001

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Snippet ID: #1014002
Snippet name: mandelbrotZoomCoordinates
Eternal ID of this version: #1014002/4
Text MD5: a15f964c376345513784686d918d9ad5
Author: stefan
Category: javax / web
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2018-03-19 05:12:02
Source code size: 647 bytes / 18 lines
Pitched / IR pitched: No / No
Views / Downloads: 375 / 411
Version history: 3 change(s)
Referenced in: #1006654 - Standard functions list 2 (LIVE, continuation of #761)