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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) {}; ofTrueTypeFont font; vector<glm::vec2> base_location_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT); this->font.loadFont("fonts/Kazesawa-Bold.ttf", 400, true, true, true); string word = "A"; auto path_list = font.getStringAsPoints(word, true, false); ofColor color; for (auto path : path_list) { auto outline = path.getOutline(); for (int outline_index = 0; outline_index < outline.size(); outline_index++) { outline[outline_index] = outline[outline_index].getResampledByCount(1000); auto vertices = outline[outline_index].getVertices(); for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) { this->base_location_list.push_back(glm::vec2( vertices[vertices_index].x - this->font.stringWidth(word) * 0.5, vertices[vertices_index].y + this->font.stringHeight(word) * 0.5)); } } } } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); ofColor color; for (int i = 0; i < 5; i++) { auto noise_seed = ofRandom(1000); color.setHsb(ofMap(i, 0, 5, 0, 255), 125, 255); for (auto location : this->base_location_list) { vector<glm::vec2> vertices; vertices.push_back(location); for (int i = 0; i < 100; i++) { auto deg = ofMap(ofNoise(noise_seed, vertices.back().x * 0.005, vertices.back().y * 0.005, ofGetFrameNum() * 0.015), 0, 1, -360, 360); auto vertex = vertices.back() + glm::vec2(2 * cos(deg * DEG_TO_RAD), 2 * sin(deg * DEG_TO_RAD)); vertices.push_back(vertex); } ofSetColor(color, 16); ofNoFill(); ofBeginShape(); ofVertices(vertices); ofEndShape(); } } /* int start = 150; 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); } } */ } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |