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文字の輪郭をなぞる点。
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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; int font_size; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofBackground(239); ofSetWindowTitle("Insta"); ofNoFill(); ofSetColor(39); ofSetLineWidth(2); this->font_size = 100; this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(20, this->font_size + 20); vector<char> charactors = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '!'}; int sample_count = 180; for (int charactor_index = 0; charactor_index < charactors.size(); charactor_index++) { ofPath path = this->font.getCharacterAsPoints(charactors[charactor_index], true, false); vector<ofPolyline> outline = path.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(); ofBeginShape(); for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) { ofPoint point(vertices[vertices_index].x, vertices[vertices_index].y, vertices[vertices_index].z); if (ofGetFrameNum() % (sample_count * 2) < sample_count) { if (vertices_index < ofGetFrameNum() % sample_count) { ofVertex(point); } } else { if (vertices_index > ofGetFrameNum() % sample_count) { ofVertex(point); } } if (vertices_index == ofGetFrameNum() % sample_count) { ofDrawCircle(point, 3); } } ofEndShape(); } if ((charactor_index + 1) % 6 == 0) { ofTranslate(this->font_size * -6, this->font_size * 1.4); } else { ofTranslate(this->font_size * 1.2, 0); } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |