code studies --- 4

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code studies --- 4 | 29
// Claus Rytter Bruun de Neergaard// www.clausclaus.com, March, 2013// Tested in Processing 2.0b8// RANDOM WALK, THREE-DIMENSIONAL WORLD, FULLY GROWN, TIME-BASED REGENimport peasy.*;// declare object instancesPeasyCam cam;Wander w;// global variablesint n = 3000;int step = 5;float angle = 0.5;int savedTime;int totalTime = 1500;int space = 500;int subdiv = 10;// declare array to contain PVectorPVector[] pos = new PVector[n];void setup() {size(670, 250, P3D);background(245);savedTime = millis();cam = new PeasyCam(this, 400);w = new Wander();w.calc();}void draw() {background(245);// rotate camera to begin withrotateX(-0.5);rotateY(angle);angle += 0.01;// recalculate every five (5) secsint passedTime = millis() - savedTime;if (passedTime > totalTime) {w.calc();savedTime = millis();}// number of points// random movement step size// beginning rotation// time vars to regulate recalc// time vars to regulate recalc// size of box(es)// size of sub-box(es)for (int i = 0; i < n; i++) {// pointfloat d = dist(0, 0, 0, pos[i].x, pos[i].y, pos[i].z);float dmap = map(d, 0, 1000, 2, 45);strokeWeight(dmap);stroke(50, dmap*2);point(pos[i].x, pos[i].y, pos[i].z);}}// class Wanderclass Wander {int x, y, z;Wander() {for (int i = 0; i < n; i++) {pos[i] = new PVector(0, 0, 0);}}void calc() {// reset coordinatesx = 0;y = 0;z = 0;for (int i = 0; i < n; i++) {// create random integer for directionint r = int(random(0, 25));// compare random integer to direction numbers,// and add position valueif (r == 0) {x -= step;y += step;z += step;}else if (r == 1) {y += step;z += step;}else if (r == 2) {x += step;y += step;z += step;}else if (r == 3) {x += step;z += step;}else if (r == 4) {x += step;y -= step;z += step;}else if (r == 5) {y -= step;z += step;}else if (r == 6) {x -= step;y -= step;z += step;}else if (r == 7) {x -= step;z += step;}else if (r == 8) {z += step;}else if (r == 9) {x -= step;y += step;}else if (r == 10) {y += step;}else if (r == 11) {x += step;y += step;}else if (r == 12) {x += step;}else if (r == 13) {x += step;y -= step;}else if (r == 14) {y -= step;}else if (r == 15) {x -= step;y -= step;}else if (r == 16) {x -= step;}else if (r == 17) {x -= step;y += step;z -= step;}else if (r == 18) {y += step;z -= step;}else if (r == 19) {x += step;y += step;z -= step;}else if (r == 20) {x += step;z -= step;}else if (r == 21) {x += step;y -= step;z -= step;}else if (r == 22) {y -= step;z -= step;}else if (r == 23) {x -= step;y -= step;z -= step;}else if (r == 24) {x -= step;z -= step;}else if (r == 25) {z -= step;}// write position values to arraypos[i].set(x, y, z);}}}code studies --- 5 | 29
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Page 13 and 14: SCENARIO 1Defined number of agents
Page 25 and 26: GRID DEFORMATIONIn extension of wor
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