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カラー・アメーバ。
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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) {}; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); } //-------------------------------------------------------------- void ofApp::update() { ofSetRandomSeed(39); } //-------------------------------------------------------------- void ofApp::draw() { int span = 2; auto seed = ofRandom(1000); ofColor color; for (int i = 0; i < 5; i++) { seed += 0.05; color.setHsb(ofMap(i, 0, 5, 0, 255), 255, 255, 64); ofSetColor(color); for (int x = 0; x < ofGetWidth(); x += span) { for (int y = 0; y < ofGetHeight(); y += span) { auto noise_value = ofNoise(seed, x * 0.01, y * 0.0025 + ofGetFrameNum() * 0.035); if (y > ofGetHeight() * 0.85) { noise_value += ofMap(y, ofGetHeight() * 0.85, ofGetHeight(), 0.25, 1); } else if (y > ofGetHeight() * 0.65) { noise_value += ofMap(y, ofGetHeight() * 0.65, ofGetHeight() * 0.85, 0, 0.25); } else if (y < ofGetHeight() * 0.45) { noise_value += ofMap(y, 0, ofGetHeight() * 0.45, -0.65, 0); } if (noise_value > 0.35) { ofDrawRectangle(glm::vec2(x, y), span, span); } } } } /* // ffmpeg -i img_%04d.jpg aaa.mp4 int start = 30; 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/ddaf5dc0349e06a26028a6bbc5ce62e7b75a61f3