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球体上のグループ。
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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 mouseEntered(int x, int y) {}; void mouseExited(int x, int y) {}; void windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; glm::vec3 make_point(float R, float r, float u, float v); ofEasyCam cam; vector<glm::vec3> base_location_list; vector<tuple<ofColor, glm::vec3, float>> box_list; // BodyColor, Location, radius int number_of_sphere; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofNoFill(); ofEnableDepthTest(); ofColor color; this->number_of_sphere = 70; while (this->box_list.size() < this->number_of_sphere) { auto tmp_location = this->make_point(280, ofRandom(0, 50), ofRandom(360), ofRandom(360)); auto radius = this->box_list.size() < 50 ? ofRandom(20, 60) : ofRandom(10, 20); bool flag = true; for (int i = 0; i < this->box_list.size(); i++) { if (glm::distance(tmp_location, get<1>(this->box_list[i])) < get<2>(this->box_list[i]) + radius) { flag = false; break; } } if (flag) { color.setHsb(ofRandom(255), 255, 200); this->box_list.push_back(make_tuple(color, tmp_location, radius)); } } } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateZ(ofGetFrameNum() * 0.77); for (int i = 0; i < this->box_list.size(); i++) { auto color = get<0>(this->box_list[i]); auto location = get<1>(this->box_list[i]); auto radius = get<2>(this->box_list[i]); ofPushMatrix(); ofTranslate(location); for (int k = 0; k < 8; k++) { auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)); color.setHsb(int(color.getHue() + 32) % 255, 255, 255); for (int m = 0; m < 200; m++) { ofSetColor(color, ofMap(m, 0, 200, 32, 255)); auto vertex = glm::vec3( ofMap(ofNoise(noise_seed.x, m * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85), ofMap(ofNoise(noise_seed.y, m * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85), ofMap(ofNoise(noise_seed.z, m * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85) ); auto next = glm::vec3( ofMap(ofNoise(noise_seed.x, (m + 1) * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85), ofMap(ofNoise(noise_seed.y, (m + 1) * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85), ofMap(ofNoise(noise_seed.z, (m + 1) * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85) ); vertex = glm::normalize(vertex) * radius * 0.9; next = glm::normalize(next) * radius * 0.9; ofDrawLine(vertex, next); } } ofPopMatrix(); } this->cam.end(); /* int start = 250; if (ofGetFrameNum() > start) { ostringstream os; os << setw(4) << 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); } } */ } //-------------------------------------------------------------- glm::vec3 ofApp::make_point(float R, float r, float u, float v) { // 数学デッサン教室 描いて楽しむ数学たち P.31 u *= DEG_TO_RAD; v *= DEG_TO_RAD; auto x = (R + r * cos(u)) * cos(v); auto y = (R + r * cos(u)) * sin(v); auto z = r * sin(u); return glm::vec3(x, y, z); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |