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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; ofTrueTypeFont font; string word; float noise_seed; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofSetLineWidth(1); ofEnableDepthTest(); this->font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true); this->word = "0"; this->number_of_sphere = 350; this->noise_seed = 39; } //-------------------------------------------------------------- void ofApp::update() { if (ofGetFrameNum() % 25 == 0) { this->noise_seed = ofRandom(1000); } ofSeedRandom(this->noise_seed); this->sphere_list.clear(); while (this->sphere_list.size() < this->number_of_sphere) { auto tmp_location = this->make_point(280, ofRandom(0, 50), ofRandom(360), ofRandom(360)); auto radius = ofRandom(10, 50); 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), 130, 255); auto size = (radius * 2) / sqrt(3); this->sphere_list.push_back(make_tuple(color, tmp_location, size)); } } this->word = to_string((ofGetFrameNum() / 25) % 10); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); for (int i = 0; i < this->sphere_list.size(); i++) { auto color = get<0>(this->sphere_list[i]); auto location = get<1>(this->sphere_list[i]); auto size = get<2>(this->sphere_list[i]); ofPushMatrix(); ofTranslate(location); ofRotateZ(ofRandom(360) + ofGetFrameNum() * ofRandom(1, 2)); ofRotateY(ofRandom(360) + ofGetFrameNum() * ofRandom(1, 2)); ofRotateX(ofRandom(360) + ofGetFrameNum() * ofRandom(1, 2)); ofPath chara_path = this->font.getCharacterAsPoints(this->word[ofRandom(this->word.size())], true, false); vector<ofPolyline> outline = chara_path.getOutline(); ofFill(); ofSetColor(0); ofBeginShape(); for (int outline_index = 0; outline_index < outline.size(); outline_index++) { ofNextContour(true); auto vertices = outline[outline_index].getVertices(); for (auto& vertex : vertices) { glm::vec2 location = vertex / 100 * size; location -= glm::vec2(size * 0.5, -size * 0.5); ofVertex(location); } } ofEndShape(true); ofNoFill(); ofSetColor(255); ofBeginShape(); for (int outline_index = 0; outline_index < outline.size(); outline_index++) { ofNextContour(true); auto vertices = outline[outline_index].getVertices(); for (auto& vertex : vertices) { glm::vec2 location = vertex / 100 * size; location -= glm::vec2(size * 0.5, -size * 0.5); ofVertex(location); } } ofEndShape(true); 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()); } |