jeremyabel

/*  passable motion blur effect using frame blending
 *  basically move your 'draw()' into 'sample()', time runs from 0 to 1
 *  by dave
 *  http://beesandbombs.tumblr.com
 */

int samplesPerFrame = 32;  // more is better but slower. 32 is enough probably
int numFrames = 48;        
float shutterAngle = 2.0;  // this should be between 0 and 1 realistically. exaggerated for effect here
int[][] result;

jeremyabel

// by dave @ beesandbombs.tumblr.com >:)

void setup() {
  setup_();
  result = new int[width*height][3];
  result_ = new int[width*height][3];
}

int[][] result, result_;
float time;

jeremyabel

Mouseover to repel nodes. Adapted from my talk on force layouts. Compare to the canvas version.

jeremyabel

license: gpl-3.0

jeremyabel

from math import *

# a performant solution would store a prefix sum of line lengths to
# a sidechannel and then use that to do a bsearch; on the GPU,
# you'd do a sum tree / histopyramid as a preprocessing step
def find_point(points, d):
    d = d
    for i in range(1, len(points)):
        x0,y0 = points[i-1]
        x1,y1 = points[i]