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deconbatchさんのブログからインスパイア。
Inspired by deconbatch’s blog.
円を並べてみる、ただそれだけで：前編
https://note.com/deconbatch/n/nfbda8750782a
[ Source ]
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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(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetColor(39); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { int span = 30; int radius_max = span * 0.48; int radius_min = span * 0.05; for (int x = span * 0.5; x <= ofGetWidth() - span * 0.5; x += span) { for (int y = span * 0.5; y <= ofGetHeight() - span * 0.5; y += span) { auto noise_value = ofNoise(x * 0.005 + ofGetFrameNum() * 0.015); auto noise_y = ofMap(noise_value, 0, 1, 0, ofGetHeight()); auto location = glm::vec2(x, y); auto noise_location = glm::vec2(x, noise_y); auto distance = glm::distance(location, noise_location); if (distance < 120) { ofDrawCircle(location, ofMap(distance, 0, 120, radius_max, radius_min)); } else { ofDrawCircle(location, radius_min); } } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |