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数字の輪。
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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); ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER); ofSetCircleResolution(72); this->font.loadFont("fonts/Kazesawa-Bold.ttf", 20, true, true, true); this->word = "0123"; } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); ofSeedRandom(39); ofNoFill(); ofSetColor(200); for (int i = 0; i < this->word.size(); i++) { auto radius = -240 + ofMap(ofNoise(i, ofGetFrameNum() * 0.05), 0, 1, -50, 100); ofDrawCircle(glm::vec2(), radius); } ofFill(); ofSetColor(255); for (int i = 0; i < 72; i++) { auto location = glm::vec3(-25, -230, 0); int word_index = (int)ofRandom(this->word.size()); ofPath chara_path = this->font.getCharacterAsPoints(this->word[word_index], true, false); vector<ofPolyline> outline = chara_path.getOutline(); ofBeginShape(); for (int outline_index = 0; outline_index < outline.size(); outline_index++) { ofNextContour(true); //outline[outline_index] = outline[outline_index].getResampledByCount(500); auto vertices = outline[outline_index].getVertices(); for (auto& vertex : vertices) { float rotate_deg = i * 5; auto noise_location = glm::vec2(cos(rotate_deg * DEG_TO_RAD), sin(rotate_deg * DEG_TO_RAD)) * 30; glm::vec3 v = location + vertex; auto rotation = glm::rotate(glm::mat4(), rotate_deg * (float)DEG_TO_RAD, glm::vec3(0, 0, 1)); v = glm::vec4(v, 0) + glm::vec4(0, ofMap(ofNoise(word_index, ofGetFrameNum() * 0.05), 0, 1, -50, 100), 0, 0); v = glm::vec4(v, 0) * rotation; ofVertex(v); } } ofEndShape(true); } /* int start = 50; 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()); } |