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文字の生け簀。
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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; string word; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofSetLineWidth(3); this->font.loadFont("fonts/Kazesawa-Bold.ttf", 50, true, true, true); //this->word = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; this->word = "0123456789"; } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); ofColor color; ofSeedRandom(39); for (int i = 0; i < 600; i++) { auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000)); auto location = glm::vec2( ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.0025), 0, 1, -600, 600), ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.0025), 0, 1, -600, 600)); auto next = glm::vec2( ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + 1) * 0.0025), 0, 1, -600, 600), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + 1) * 0.0025), 0, 1, -600, 600)); auto angle = std::atan2(next.y - location.y, next.x - location.x); ofPushMatrix(); ofTranslate(location); ofRotate(angle * RAD_TO_DEG + 90); ofPath chara_path = this->font.getCharacterAsPoints(this->word[(int)ofRandom(this->word.size())], true, false); vector<ofPolyline> outline = chara_path.getOutline(); ofFill(); ofSetColor(ofMap(i, 0, 600, 39, 239)); ofBeginShape(); for (int outline_index = 0; outline_index < outline.size(); outline_index++) { ofNextContour(true); auto vertices = outline[outline_index].getVertices(); for (auto& vertex : vertices) { ofVertex(vertex); } } ofEndShape(true); ofPopMatrix(); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |