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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) {}; ofTrueTypeFont font; float random_seed; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openFrameworks"); ofBackground(255); ofSetLineWidth(2); this->font.loadFont("fonts/Kazesawa-Extrabold.ttf", 50, true, true, true); } //-------------------------------------------------------------- void ofApp::update() { if (ofGetFrameNum() % 45 < 5) { this->random_seed = ofRandom(1000); } ofSeedRandom(this->random_seed); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); //string word = "0123456789"; string word = "LOVE"; auto number_of_sphere = 150; vector<glm::vec2> location_list; vector<float> radius_list; while (location_list.size() < number_of_sphere) { auto location = glm::vec2(ofRandom(-300, 300), ofRandom(-300, 300)); auto radius = ofRandom(8, 70); bool flag = true; for (int i = 0; i < location_list.size(); i++) { if (glm::distance(location, location_list[i]) < (radius + radius_list[i])) { flag = false; break; } } if (flag) { location_list.push_back(location); radius_list.push_back(radius); } } int count = 0; while (true) { auto all = true; for (int i = 0; i < location_list.size(); i++) { auto flag = true; for (int k = 0; k < location_list.size(); k++) { if (i == k) { continue; } if (glm::distance(location_list[i], location_list[k]) < (radius_list[i] + radius_list[k])) { flag = false; } } if (flag) { radius_list[i] += 1; all = false; break; } } if (all) { break; } count++; } ofColor color; auto param = ofGetFrameNum() % 45 < 5 ? 0.2 : ofGetFrameNum() % 45 < 15 ? ofMap(ofGetFrameNum() % 45, 5, 15, 0.2, 1) : 1; for (int i = 0; i < location_list.size(); i++) { color.setHsb(ofRandom(255), 255, 255); ofPath chara_path = this->font.getCharacterAsPoints(word[ofRandom(word.size())], true, false); vector<ofPolyline> outline = chara_path.getOutline(); auto angle = ofRandom(-PI * 0.5, PI * 0.5); auto rotation = glm::rotate(glm::mat4(), angle, glm::vec3(0, 0, 1)); ofSetColor(color, 128); ofFill(); ofBeginShape(); for (int outline_index = 0; outline_index < outline.size(); outline_index++) { ofNextContour(true); outline[outline_index] = outline[outline_index].getResampledByCount(150); vector<glm::vec3> vertices = outline[outline_index].getVertices(); for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) { glm::vec2 vertex = location_list[i] + glm::vec4(((vertices[vertices_index] - glm::vec2(25, -25)) / 50) * radius_list[i] * 1.5 * param, 0) * rotation; ofVertex(vertex); } } ofEndShape(true); ofSetColor(color); ofNoFill(); ofBeginShape(); for (int outline_index = 0; outline_index < outline.size(); outline_index++) { ofNextContour(true); outline[outline_index] = outline[outline_index].getResampledByCount(150); vector<glm::vec3> vertices = outline[outline_index].getVertices(); for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) { glm::vec2 vertex = location_list[i] + glm::vec4(((vertices[vertices_index] - glm::vec2(25, -25)) / 50) * radius_list[i] * 1.5 * param, 0) * rotation; ofVertex(vertex); } } ofEndShape(true); //ofDrawCircle(location_list[i], radius_list[i]); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |