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グループ単位でグールグル。
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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) {}; void draw_circle_packing(glm::vec2, float, vector<ofColor>); ofEasyCam cam; float random_seed; vector<glm::vec2> location_list; vector<float> radus_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openframeworks"); ofBackground(0); ofNoFill(); ofSetCircleResolution(36); } //-------------------------------------------------------------- void ofApp::update() { if (ofGetFrameNum() % 180 < 5) { this->random_seed = ofRandom(1000); } ofSeedRandom(this->random_seed); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); //// Day 228 Zenith Blue vector<ofColor> color_palette; color_palette.push_back(ofColor(134, 179, 224)); color_palette.push_back(ofColor(251, 218, 205)); color_palette.push_back(ofColor(234, 96, 148)); this->draw_circle_packing(glm::vec2(), 340, color_palette); this->cam.end(); } //-------------------------------------------------------------- void ofApp::draw_circle_packing(glm::vec2 location, float radius, vector<ofColor> color_palette) { auto number_of_sphere = radius * 1.2; vector<glm::vec2> location_list; vector<float> radius_list; while (location_list.size() < number_of_sphere) { auto tmp_location_radius = ofRandom(1, radius * 0.75); auto tmp_deg = ofRandom(0, 360); auto tmp_location = glm::vec2(location.x + tmp_location_radius * cos(tmp_deg * DEG_TO_RAD), location.y + tmp_location_radius * sin(tmp_deg * DEG_TO_RAD)); auto tmp_radius = ofRandom(radius * 0.003, radius * 0.3); bool flag = true; for (int i = 0; i < location_list.size(); i++) { if (glm::distance(tmp_location, location_list[i]) < tmp_radius + radius_list[i] + 1) { flag = false; break; } } if (flag) { location_list.push_back(tmp_location); radius_list.push_back(tmp_radius); ofSetColor(color_palette[ofRandom(color_palette.size())]); ofPushMatrix(); ofTranslate(tmp_location); ofRotateZ(ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 1.5)); ofRotateY(ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 1.5)); ofRotateX(ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 1.5)); ofDrawCircle(glm::vec2(), tmp_radius); if (tmp_radius > 15) { this->draw_circle_packing(glm::vec2(), tmp_radius, color_palette); } ofPopMatrix(); } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |