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グラデーション文字。
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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(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER); this->font.loadFont("fonts/msgothic.ttc", 28, true, true, true); this->word = "junkiyoshi.com "; } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { int span = 33; ofColor color; for (int y = 0; y < ofGetWindowHeight() + 33; y += span) { int x_start = ofMap(ofNoise(y * 0.1, ofGetFrameNum() * 0.005), 0, 1, 0, 1000); for (int i = 0; i < this->word.size() * 2; i++) { color.setHsb((int)(ofMap(y, 0, ofGetWindowHeight() + 33, 0, 255) + ofGetFrameNum() * 10) % 255, 100, 255); auto x = (int)(x_start + i * span) % 1000 - 100; auto location = glm::vec2(x, y); ofPushMatrix(); ofTranslate(location); ofPath chara_path = this->font.getCharacterAsPoints(this->word[i % this->word.size()], true, false); vector<ofPolyline> outline = chara_path.getOutline(); ofNoFill(); ofSetColor(color); 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(); } } /* // ffmpeg -i img_%04d.jpg aaa.mp4 int start = 100; if (ofGetFrameNum() > start) { std::ostringstream os; os << std::setw(4) << std::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()); } |
[ Link ]
https://github.com/junkiyoshi/DoodleDeProgramming/tree/ecf5897484f1a6bbfc784cea6c50d9de0c579fe2