import redis.clients.jedis.Jedis; import java.util.ArrayList; ArrayList points = new ArrayList(); int rgb2int(int r, int g, int b) { return (r << 16) + (g << 8) + b; } void setup() { size(640, 360); } void draw() { background(51); stroke(255); strokeWeight(2); // adjust the thickness of the circle outline if (mousePressed) { PVector p = new PVector(mouseX, mouseY); points.add(p); } if (points.size() > 0) { println("point size : "+points.size()); println("pointlist"); String pointList = "["; // initialize the point list string for (int i = 0; i < points.size(); i++) { PVector center = points.get(i); int[] rgb = {254, 254, 254}; for (int j = 0; j < 150; j++) { float angle = map(j, 0, 150, 0, TWO_PI); float x = center.x + cos(angle) * 5; float y = center.y + sin(angle) * 5; pointList += "(" + x + "," + y + "," + rgb2int(rgb[0], rgb[1], rgb[2]) + "),"; if (j > 0) { float prevX = center.x + cos(map(j - 1, 0, 150, 0, TWO_PI)) * 10; float prevY = center.y + sin(map(j - 1, 0, 150, 0, TWO_PI)) * 10; line(prevX, prevY, x, y); } } } points.clear(); pointList = pointList.substring(0, pointList.length() - 1); // remove the last comma pointList += "]"; // close the point list string println("point size : "+points.size()); println("pointlist"); System.out.println(pointList); Jedis jedis = new Jedis("localhost"); jedis.set("/pl/0/0", pointList); jedis.close(); } }