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重ならない円。
not overlapping circle.
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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); ofSetLineWidth(2); ofNoFill(); ofSetCircleResolution(30); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5); vector<glm::vec2> location_list; vector<float> radius_list; for (int i = 0; i < 45; i++) { auto noise_step = ofRandom(0.001, 0.002); auto location = glm::vec2(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * noise_step), 0, 1, -300, 300), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * noise_step), 0, 1, -300, 300)); location_list.push_back(location); radius_list.push_back(0.f); } while (true) { bool break_flag = true; for (int i = 0; i < location_list.size(); i++) { bool increment_flag = true; for (int k = 0; k < location_list.size(); k++) { if (i == k) continue; auto distance = glm::distance(location_list[i], location_list[k]); if (distance < radius_list[i] + radius_list[k]) { increment_flag = false; } } if (increment_flag) { radius_list[i] += 1; break_flag = false; } } if (break_flag) { break; } } for (int i = 0; i < location_list.size(); i++) { ofDrawCircle(location_list[i], radius_list[i]); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |