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文字をドットで表現 + ノイズ関数でユラユラ
Character draw using dot. And dot is moving by Noise method.
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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; vector<ofPoint> locations; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetColor(39); ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); int font_size = 150; this->font.loadFont("fonts/Kazesawa-Bold.ttf", font_size, true, true, true); ofFbo fbo; fbo.allocate(ofGetWidth(), ofGetHeight()); fbo.begin(); ofClear(0); string word = "Daily"; font.drawString(word, ofGetWidth() * 0.5 - font.stringWidth(word) * 0.5, ofGetHeight() * 0.5 - font_size * 0.5); word = "Coding"; font.drawString(word, ofGetWidth() * 0.5 - font.stringWidth(word) * 0.5, ofGetHeight() * 0.5 + font_size * 1.5); fbo.end(); ofPixels pixels; fbo.readToPixels(pixels); font_size = 10; for (int x = 0; x < fbo.getWidth(); x += font_size) { for (int y = 0; y < fbo.getHeight(); y += font_size) { if (pixels.getColor(x, y) != ofColor(0, 0)) { this->locations.push_back(ofPoint(x, y)); } } } } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { float x_seed = ofRandom(100); float y_seed = ofRandom(100); for (int i = 0; i < this->locations.size(); i++) { glm::vec2 noise_point = glm::vec2( ofMap(ofNoise(x_seed, this->locations[i].x * 0.01, this->locations[i].y * 0.01, ofGetFrameNum() * 0.03), 0, 1, -20, 20), ofMap(ofNoise(y_seed, this->locations[i].x * 0.01, this->locations[i].y * 0.01, ofGetFrameNum() * 0.03), 0, 1, -20, 20)); ofDrawCircle(this->locations[i], 1); ofDrawCircle(this->locations[i] + noise_point, 3); ofDrawLine(this->locations[i], this->locations[i] + noise_point); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |