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トーラスの中にボックスを敷き詰める。
Lay the box inside the torus.
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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>> sphere_list; // BodyColor, Location, size int number_of_sphere; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openFrameworks"); ofBackground(0); ofSetLineWidth(0.5); ofEnableDepthTest(); auto ico_sphere = ofIcoSpherePrimitive(1, 5); this->number_of_sphere = 2500; while (this->sphere_list.size() < this->number_of_sphere) { auto tmp_location = this->make_point(300, ofRandom(0, 60), ofRandom(360), ofRandom(360)); auto radius = this->sphere_list.size() < 110 ? ofRandom(10, 50) : ofRandom(2, 20); bool flag = true; for (int i = 0; i < this->sphere_list.size(); i++) { if (glm::distance(tmp_location, get<1>(this->sphere_list[i])) < get<2>(this->sphere_list[i]) + radius) { flag = false; break; } } if (flag) { ofColor color; color.setHsb(ofRandom(255), 200, 255); auto size = (radius * 2) / sqrt(3); this->sphere_list.push_back(make_tuple(color, tmp_location, size)); } } } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateZ(ofGetFrameNum() * 0.66666666666666666); for (int i = 0; i < this->sphere_list.size(); i++) { auto location = get<1>(this->sphere_list[i]); auto size = get<2>(this->sphere_list[i]); ofPushMatrix(); ofTranslate(location); ofRotateZ(ofRandom(360)); ofRotateY(ofRandom(360)); ofRotateX(ofRandom(360)); ofFill(); ofSetColor(0); ofDrawBox(size); ofNoFill(); ofSetColor(255); ofDrawBox(size); ofPopMatrix(); } this->cam.end(); } //-------------------------------------------------------------- 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()); } |