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菌糸。
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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 windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; float noise_param; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofSetCircleResolution(60); this->noise_param = ofRandom(1000); } //-------------------------------------------------------------- void ofApp::update() { this->noise_param += 0.025; } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); float start_radius = 5; float end_radius = 600; for (float deg = 0; deg < 360; deg += 0.25) { for (float radius = start_radius; radius < end_radius; radius += 1) { auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)); auto noise_location = glm::vec2(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD)); auto noise_value = ofNoise(glm::vec4(noise_location * 3, radius * 0.005, this->noise_param)); if (noise_value >= 0.4 && noise_value <= 0.6) { ofSetColor(ofMap(abs(0.5 - noise_value), 0, 0.1, 255, 39)); ofDrawCircle(location, 1.5); } } } /* // ffmpeg -i img_%04d.jpg aaa.mp4 int start = 50; if (ofGetFrameNum() > start) { std::ostringstream os; os << std::setw(4) << std::setfill('0') << ofGetFrameNum() - start; ofImage image; image.grabScreen(0, 0, ofGetWidth(), ofGetHeight()); image.saveImage("image/cap/img_" + os.str() + ".jpg"); if (ofGetFrameNum() - start >= 25 * 20) { std::exit(1); } } */ } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |
[ Link ]
https://github.com/junkiyoshi/DoodleDeProgramming/tree/3be86d70e91e4805b2b1586e6d70644916c1b595