Click to randomize. Press “SPACEBAR” to pause. Press “C” to randomize color. Press “A” to change the number of axes. Press “Z” to change the zoom level. Press “S” to save an image. Press “T” to show the texture. Press “G” to show the hex-grid lines. Press “R” to randomize the texture. Press “L” to change the line color. Press “+” and “-” to change the speed.
Made with Processing 2 in javascript mode.
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Cluster cluster; int numSlices = 6; float radius = 180; float gridWidth; float gridHeight; boolean isPaused = false; boolean showTexture = false; boolean showLines = false; int axisMode = 1; float speedMod = 1; boolean darkStroke = true; float texWidth; float texHeight; float uv0, uv1; float satMod = 0; void setup() { size(940, 540, P3D); colorMode(HSB); background(0); textureMode(NORMALIZED); angleStep = radians(360/numSlices); calculateGrid(); cluster = new Cluster(); } void draw() { background(0); if (showLines) stroke(0); else noStroke(); cluster.update(); if (showTexture) image(cluster.tex, width/2-cluster.pg.width/2, height/2-cluster.pg.height/2); else drawHexGrid(); } void randomize() { axisMode = floor(random(0, 3)); int r = floor(random(0, 3)); switch (r) { case 0: radius = 90; break; case 1: radius = 120; break; case 2: radius = 180; break; default: break; } calculateGrid(); cluster.createParts(); } void drawHexGrid() { int xCount = width/gridWidth + 1; int yCount = height/gridHeight + 1; float xOffset; for (int x=0; x<xCount; x++) { for (int y=0; y<yCount; y++) { if (y%2 == 0) xOffset = 0; else xOffset = gridWidth/2; pushMatrix(); translate(x*gridWidth+xOffset, y*gridHeight, 0); rotateZ(angleStep/2); switch (axisMode) { case 0: drawHex1(); break; case 1: drawHex2(); break; case 2: drawHex3(); break; default: break; } popMatrix(); } } } void drawHex1() { beginShape(TRIANGLE_FAN); texture(cluster.tex); vertex(0, 0, 0, 0.5, 1); for (int i=0; i<6; i++) { float x1 = cos(angleStep*i) * radius; float y1 = sin(angleStep*i) * radius; float x2 = cos(angleStep*(i+1)) * radius; float y2 = sin(angleStep*(i+1)) * radius; if (i%2 == 0) { vertex(x1, y1, 0, uv0, 0); vertex(x2, y2, 0, uv1, 0); } else { vertex(x1, y1, 0, uv1, 0); vertex(x2, y2, 0, uv0, 0); } } endShape(); } void drawHex2() { beginShape(TRIANGLE_FAN); texture(cluster.tex); vertex(0, 0, 0, 0.5, 1); for (int i=0; i<numSlices; i++) { float x1 = cos(angleStep*i) * radius; float y1 = sin(angleStep*i) * radius; float x3 = cos(angleStep*(i+1)) * radius; float y3 = sin(angleStep*(i+1)) * radius; float x2 = (x1 + x3) / 2; float y2 = (y1 + y3) / 2; vertex(x1, y1, 0, uv0, 0); vertex(x2, y2, 0, uv1, 0); vertex(x3, y3, 0, uv0, 0); } endShape(); } void drawHex3() { beginShape(TRIANGLE_FAN); texture(cluster.tex); vertex(0, 0, 0, 0.5, 1); for (int i=0; i<numSlices; i++) { float x1 = cos(angleStep*i) * radius; float y1 = sin(angleStep*i) * radius; float x5 = cos(angleStep*(i+1)) * radius; float y5 = sin(angleStep*(i+1)) * radius; float x3 = (x1 + x5) / 2; float y3 = (y1 + y5) / 2; float x2 = (x1 + x3) / 2; float y2 = (y1 + y3) / 2; float x4 = (x3 + x5) / 2; float y4 = (y3 + y5) / 2; vertex(x1, y1, 0, uv0, 0); vertex(x2, y2, 0, uv1, 0); vertex(x3, y3, 0, uv0, 0); vertex(x4, y4, 0, uv1, 0); vertex(x5, y5, 0, uv0, 0); } endShape(); } void calculateGrid() { float angle = radians(360/numSlices/2); float b = radius * cos(angle); gridWidth = b * 2; float a = sqrt(radius*radius - b*b); gridHeight = radius + a; texHeight = b; texWidth = a*2; switch (axisMode) { case 0: uv0 = 0; uv1 = 1; break; case 1: uv0 = 0.25; uv1 = 0.75; break; case 2: uv0 = 0.375; uv1 = 0.625; break; default: break; } } void cycleAxisMode() { axisMode++; if (axisMode > 2) axisMode = 0; calculateGrid(); } void cycleZoom() { switch (radius) { case 90: radius = 180; break; case 120: radius = 90; break; case 180: radius = 120; break; default: radius = 120; break; } calculateGrid(); } void mousePressed() { randomize(); } void keyPressed() { if (key == ' ') isPaused = !isPaused; if (key == 's') save(); if (key == 't') showTexture = !showTexture; if (key == 'g') showLines = !showLines; if (key == 'c') cluster.randomizeColor(); if (key == 'a') cycleAxisMode(); if (key == 'z') cycleZoom(); if (key == 'r') cluster.createParts(); if (key == '=') speedMod *= 1.2; if (key == '-') speedMod *= 0.8; if (key == 'l') darkStroke = !darkStroke; } class Cluster { PGraphics pg; PImage tex; int numParts = 40; Part[] allParts; Cluster() { pg = createGraphics(texWidth, texHeight); pg.colorMode(HSB); pg.noSmooth(); createParts(); update(); } void update() { pg.beginDraw(); updateParts(); pg.endDraw(); tex = pg.get(); } void createParts() { allParts = new Part[numParts]; for (int i=0; i<numParts; i++) { allParts[i] = new Part(pg); } } void updateParts() { pg.ellipseMode(CORNER); pg.background(0); pg.strokeWeight(0.5); for (int i=0; i<numParts; i++) { allParts[i].update(); } } void randomizeColor() { for (int i=0; i<numParts; i++) { allParts[i].randomizeColor(); } } } class Part { PGraphics pg; int age; int numVectors = 10; PVector[] v; float x, y; float rot, rotSpeed; float scale, scaleOsc, scaleOscSpeed; float hue, sat, bright; float hueSpeed; float satOsc, satOscSpeed; float brightOsc, brightOscSpeed; Part(PGraphics _pg) { pg = _pg; v = new PVector[numVectors]; init(); scaleOsc = random(100); move(); } void init() { age = 0; x = random(0, pg.width); y = random(0, pg.height); rot = random(radians(360)); rotSpeed = random(0.002, 0.005); if (random() > 0.5) rotSpeed *= -1; scale = 0; scaleOsc = 0; scaleOscSpeed = random(0.002, 0.004); randomizeColor(); for (int i=0; i<numVectors; i++) { v[i] = new PVector(random(-pg.width, pg.width), random(-pg.height, pg.height)); } } void randomizeColor() { hue = random(255); hueSpeed = random(0.01, 0.2); satOsc = random(100); satOscSpeed = random(0.001, 0.003); sat = sin(satOsc); sat = map(sat, -1, 1, 0, 255); brightOsc = random(100); brightOscSpeed = random(0.001, 0.003); bright = sin(brightOsc); bright = map(bright, -1, 1, 0, 255); } void update() { if (!isPaused) move(); render(); } void move() { age++; rot += rotSpeed * speedMod; scaleOsc += scaleOscSpeed * speedMod; scale = sin(scaleOsc); if (age > 100 && abs(scale) < 0.01) init(); hue += hueSpeed; satOsc += satOscSpeed; brightOsc += brightOscSpeed; sat = sin(satOsc); sat = map(sat, -1, 1, 0, 255); bright = sin(brightOsc); bright = map(bright, -1, 1, 0, 255); } void render() { if (darkStroke) pg.stroke(0); else pg.stroke(255); pg.pushMatrix(); pg.fill(hue%255, sat, bright, 255); pg.translate(x, y); pg.rotate(rot); pg.scale(scale, scale); pg.beginShape(); pg.vertex(v[0].x, v[0].y); pg.bezierVertex(v[1].x, v[1].y, v[2].x, v[2].y, v[3].x, v[3].y); pg.bezierVertex(v[4].x, v[4].y, v[5].x, v[5].y, v[6].x, v[6].y); pg.bezierVertex(v[7].x, v[7].y, v[8].x, v[8].y, v[9].x, v[9].y); pg.vertex(v[0].x, v[0].y); pg.endShape(); pg.popMatrix(); } } |