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Noisy Circles.
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#pragma once #include "ofMain.h" class ofApp : public ofBaseApp { public: void setup(); void update(); void draw(); void keyPressed(int key) {} void keyReleased(int key) {} void mouseMoved(int x, int y) {} void mouseDragged(int x, int y, int button) {} void mousePressed(int x, int y, int button) {} void mouseReleased(int x, int y, int button) {} void mouseEntered(int x, int y) {} void mouseExited(int x, int y) {} void windowResized(int w, int h) {} void dragEvent(ofDragInfo dragInfo) {} void gotMessage(ofMessage msg) {} }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("Insta"); ofBackground(239); ofSetColor(39); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5); for (int radius = 50; radius < 350; radius += 10) { vector<ofPoint> vertices; for (int deg = 0; deg <= 360; deg += 1) { ofPoint point(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)); float noise_value = ofNoise(radius * 0.05 + ofGetFrameNum() * 0.005, point.x * 0.005, point.y * 0.005); if (noise_value > 0.5) { vertices.push_back(point); } else if (vertices.size() > 0) { for (int i = vertices.size() - 1; i >= 0; i -= 1) { ofPoint tmp_point = vertices[i] * 0.95; vertices.push_back(tmp_point); } ofBeginShape(); ofVertices(vertices); ofEndShape(true); vertices.clear(); } } if (vertices.size() > 0) { for (int i = vertices.size() - 1; i >= 0; i -= 1) { ofPoint tmp_point = vertices[i] * 0.95; vertices.push_back(tmp_point); } ofBeginShape(); ofVertices(vertices); ofEndShape(true); } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |