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多層構造。
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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); ofSetColor(255); ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER); this->noise_param = ofRandom(1000); } //-------------------------------------------------------------- void ofApp::update() { this->noise_param += 0.001; } //-------------------------------------------------------------- void ofApp::draw() { for (int x = 0; x < ofGetWindowWidth(); x += 1) { for (int y = 0; y < ofGetWindowHeight(); y += 1) { auto location = glm::vec2(x, y); auto noise_value = ofNoise(x * 0.005, y * 0.005, this->noise_param ); for (float i = 0; i < 10; i += 1) { if (noise_value > i * 0.1 + 0.043 && noise_value < i * 0.1 + 0.057) { ofDrawRectangle(location, 1, 1); } } } } /* // ffmpeg -i img_%04d.jpg aaa.mp4 int start = 5; 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/a4fc715fc77b52999f77fdc0757cce6a4540059b