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アルファベット・チェーン
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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); ofSetLineWidth(2); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); this->font.loadFont("fonts/Kazesawa-Bold.ttf", 50, true, true, true); this->word = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); ofColor color; ofSeedRandom(239); for (int k = 0; k < 5; k++) { auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000)); for (int i = 0; i <= 26; i++) { auto location = glm::vec2( ofMap(ofNoise(noise_seed.x, i * 0.025 + ofGetFrameNum() * 0.01), 0, 1, -420, 420), ofMap(ofNoise(noise_seed.y, i * 0.025 + ofGetFrameNum() * 0.01), 0, 1, -420, 420)); auto next = glm::vec2( ofMap(ofNoise(noise_seed.x, (i + 1) * 0.025 + (ofGetFrameNum() + 1) * 0.01), 0, 1, -420, 420), ofMap(ofNoise(noise_seed.y, (i + 1) * 0.025 + (ofGetFrameNum() + 1) * 0.01), 0, 1, -420, 420)); if (glm::length(location) > 300) { location = glm::normalize(location) * 300; } if (glm::length(next) > 300) { location = glm::normalize(next) * 300; } 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[26 - i], true, false); vector<ofPolyline> outline = chara_path.getOutline(); ofFill(); ofColor color; color.setHsb(ofMap(k, 0, 5, 0, 255), 130, 255); ofSetColor(color, 128); 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); 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(); } } /* int start = 100; 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()); } |