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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) {}; ofEasyCam cam; ofTrueTypeFont font; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetLineWidth(2); ofEnableDepthTest(); this->font.loadFont("fonts/Kazesawa-Bold.ttf", 180, true, true, true); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(180); vector<string> word_list = { "123", "456", "789" }; vector<glm::vec2> base_location_list = { glm::vec2(this->font.stringWidth(word_list[0]) * 0.5 - ofGetWidth() * 0.5, -150), glm::vec2(this->font.stringWidth(word_list[1]) * 0.5 - ofGetWidth() * 0.5, 60), glm::vec2(this->font.stringWidth(word_list[2]) * 0.5 - ofGetWidth() * 0.5, 270) }; for (int i = 0; i < word_list.size(); i++) { auto word = word_list[i]; auto base_location = base_location_list[i]; int sample_count = 120; vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false); for (int word_index = 0; word_index < word_path.size(); word_index++) { vector<ofPolyline> outline = word_path[word_index].getOutline(); for (int outline_index = 0; outline_index < outline.size(); outline_index++) { outline[outline_index] = outline[outline_index].getResampledByCount(sample_count); vector<glm::vec3> vertices = outline[outline_index].getVertices(); vector<glm::vec2> black_vertices, white_vertices; glm::vec2 circle_location; int param = ofGetFrameNum() + i * 10 + word_index * 10; for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) { auto location = base_location + vertices[vertices_index]; if (param % (sample_count * 2) < sample_count) { if (vertices_index < param % sample_count) { black_vertices.push_back(location); } else { white_vertices.push_back(location); } } else { if (vertices_index > param % sample_count) { black_vertices.push_back(location); } else { white_vertices.push_back(location); } } if (vertices_index == param % sample_count) { circle_location = location; } } ofMesh face, line, line_2; line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); line_2.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); for (int k = 0; k < black_vertices.size(); k++) { face.addVertex(glm::vec3(black_vertices[k], -15)); face.addVertex(glm::vec3(black_vertices[k], 15)); line.addVertex(glm::vec3(black_vertices[k], -15)); line.addVertex(glm::vec3(black_vertices[k], 15)); if (k > 0) { face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 4); face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 4); line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 3); line.addIndex(line.getNumVertices() - 2); line.addIndex(line.getNumVertices() - 4); } } line.addIndex(0); line.addIndex(1); line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 2); for (int k = 0; k < white_vertices.size(); k++) { line_2.addVertex(glm::vec3(white_vertices[k], -15)); line_2.addVertex(glm::vec3(white_vertices[k], 15)); if (k > 0) { line_2.addIndex(line_2.getNumVertices() - 1); line_2.addIndex(line_2.getNumVertices() - 3); line_2.addIndex(line_2.getNumVertices() - 2); line_2.addIndex(line_2.getNumVertices() - 4); } } line_2.addIndex(0); line_2.addIndex(1); line_2.addIndex(line_2.getNumVertices() - 1); line_2.addIndex(line_2.getNumVertices() - 2); ofSetColor(39); face.draw(); ofSetColor(239, 39, 39); line.drawWireframe(); //line_2.drawWireframe(); } } } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |