Click to randomize flower. Press “P” to pause. Moving the mouse left and right will scrub the animation. Press “B” to toggle background between black and white. Press “A” to toggle auto-play. Auto-play will randomize the flower occasionally.
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Flower flower; float bgColor = 0; boolean isPaused = false; int time = 0; boolean autoplay = false; void setup() { size(940, 540, P3D); colorMode(HSB); init(); } void draw() { if (autoplay) { time++; if (time > 1000) { init(); time = 0; } } background(bgColor); pushMatrix(); translate(width/2, height/2); flower.draw(); popMatrix(); } void init() { time = 0; flower = new Flower(); } void mousePressed() { init(); } void keyPressed() { if (key == 'b') { if (bgColor == 0) bgColor = 255; else if (bgColor == 255) bgColor = 0; } if (key == 'p') { isPaused = !isPaused; } if (key == 'a') autoplay = !autoplay; } class Flower { PetalCluster[] clusters; int numClusters = 5; Flower() { numClusters = round(random(2, 5)); createClusters(); } void draw() { for (int i=0; i<numClusters; i++) { clusters[i].draw(); } } void createClusters() { clusters = new PetalCluster[numClusters]; int numPetals = round(random(2, 30)); for (int i=0; i<numClusters; i++) { if (numPetals % 2 == 0 && numPetals > 2 && i > 0) { if (random(1) > 0.5) { numPetals *= 0.5; } } else if (numPetals % 3 == 0 && numPetals > 3 && i > 0) { if (random(1) > 0.5) { numPetals /= 3; } } PetalCluster cluster = new PetalCluster(numPetals); clusters[i] = cluster; } } } class Petal { PVector[] allVectors; int numNodes = 3; float hue, sat, bright; float nearRot = -360; float farRot = 360; float rotation = 0; float rotSpeed = 1; float size = 0.0; float targetSize = 1.0; float time = 0; float mouseRot = 0; float shadowRatio = 0.5; Petal() { hue = random(0, 255); sat = random(0, 255); bright = random(150, 255); numNodes = round(random(1, 10)); nearRot = random(-360, 360); farRot = random(-360, 360); rotSpeed = random(0.1, 1.0); shadowRatio = random(0.3, 0.7); createVectors(); mouseRot = map(mouseX, 0, width, nearRot*3, farRot*3); } void update() { time++; size += (targetSize - size) * 0.01; if (!isPaused) { rotation += rotSpeed; } mouseRot += (map(mouseX, 0, width, nearRot*3, farRot*3) - mouseRot) * 0.1; } void draw() { pushMatrix(); scale(size); float rotX = map(size, 0, 1, 90, 0); rotateX(radians(rotX)); rotateY(radians(rotation + mouseRot)); fill(hue, sat, bright); stroke(hue, sat, bright * 0.7); strokeWeight(1); beginShape(TRIANGLE); curveVertex(0, 0, 0); curveVertex(0, 0, 0); fill(hue, sat, bright * shadowRatio); for (int i=0; i<numNodes; i++) { curveVertex(allVectors[i].x, allVectors[i].y, allVectors[i].z); } fill(hue, sat, bright); curveVertex(0, 0, 0); curveVertex(0, 0, 0); endShape(); popMatrix(); } void createVectors() { allVectors = new PVector[numNodes]; for (int i=0; i<numNodes; i++) { PVector vector = new PVector(random(-200, 200), random(300), random(-200, 200)); allVectors[i] = vector; } } } class PetalCluster { Petal petal; int numPetals = 10; float rotationOffset = 0.01; float time = 0.0; PetalCluster(int _numPetals) { numPetals = _numPetals; petal = new Petal(); rotationOffset = random(-0.1, 0.1); time = random(1000); } void draw() { if (!isPaused) { time++; time += map(mouseX, 0, width, -rotationOffset*10, rotationOffset*10); } petal.update(); for (int i=0; i<numPetals; i++) { float step = 360.0f/numPetals; float rot = step * i; drawPetal(rot); } } void drawPetal(float rot) { pushMatrix(); rotateZ(radians(rot + time*rotationOffset)); petal.draw(); popMatrix(); } } |