Line lines[] = new Line[0]; Point points[]; int grid = 5; void setup () { size( 450, 450 ); points = new Point[]{ new Point(width/2, height/2) }; background( 255 ); frameRate( 5 ); } void draw () { background( 255 ); addRandomLine(); fill( 255 ); for ( int i = 0; i < lines.length; i++ ) { lines[i].drawLine(); } /*fill( 255, 0, 0 ); for ( int i = 0; i < points.length; i++ ) { ellipse( points[i].x, points[i].y, 3, 3 ); }*/ } void addRandomLine () { if ( points.length <= 0 ) return; for ( int p = 0; p < points.length; p++ ) { Point pnt = points[p]; int i = int( random(9) ); while ( i == 4 ) { i = int( random(9) ); } Line new_line = new Line(pnt, new Point( pnt.x-grid+(i%3)*grid, pnt.y-grid+(i/3)*grid )); if ( new_line.p2.x > width || new_line.p2.x < 0 || new_line.p2.y > height || new_line.p2.y < 0 ) { points = new Point[]{ new Point(width/2, height/2) }; lines = new Line[0]; return; } boolean occupied = false; for ( int l = 0; l < lines.length && occupied == false; l++ ) { if ( lines[l].pointOccupied( new_line ) || lines[l].xIng( new_line ) ) { occupied = true; } } if ( !occupied ) { lines = (Line[])append(lines, new_line); /*if ( points.length > 10 ) points = (Point[])shorten( points );*/ points = (Point[])append(points, new_line.p2); } } } class Point { float x, y; Point ( float _x, float _y ) { x = _x; y = _y; } boolean equals( Point other ) { return x == other.x && y == other.y; } String toString () { return x + ", " + y; } } class Line { Point p1, p2; Line( Point _p1, Point _p2 ) { p1 = _p1; p2 = _p2; } void drawLine () { line(p1.x,p1.y,p2.x,p2.y); //ellipse( p2.x, p2.y, 2, 2 ); } boolean pointOccupied ( Line other ) { if ( p1.equals( other.p2 ) || p2.equals( other.p2 ) ) return true; return false; } boolean xIng ( Line other ) { Point pp = new Point(p1.x,p2.y), pp2 = new Point(p2.x,p1.y); if ( (pp.equals( other.p1 ) && pp2.equals( other.p2 )) || (pp.equals( other.p2 ) && pp2.equals( other.p1 )) ) return true; return false; } String toString () { return p1.toString() + " " + p2.toString(); } }

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Your have successfully reported the sketch. Thank you very much for helping to keep OpenProcessing clean and tidy :)

Florian Jenett

27 May 2009

27 May 2009

joe, what's with the grading? is that supposed to be funny?

Joe McKenna

27 May 2009

27 May 2009

Yes, i was going to go through your class projects and assign them each a grade as an absurd joke. I lost interest shortly, but i think your applet is neat.

Florian Jenett

27 May 2009

27 May 2009

well then .. thanks for stopping and happy you like the applet. :)

26 May 2009