[ Video ]
[ About ]
Noise.
[ Source ]
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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 mouseEntered(int x, int y) {}; void mouseExited(int x, int y) {}; void windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; ofTrueTypeFont font; vector<glm::vec2> font_location_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofSetColor(255); ofFill(); this->font.loadFont("fonts/Kazesawa-Bold.ttf", 160, true, true, true); ofFbo fbo; fbo.allocate(ofGetWidth(), ofGetHeight()); fbo.begin(); ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5); ofClear(0); ofSetColor(0); auto word = "Noise"; this->font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word) - 250); fbo.end(); auto span = 10; ofPixels pixels; fbo.readToPixels(pixels); for (int x = 0; x < 700; x += span) { for (int y = 0; y < 720; y += span) { ofColor color = pixels.getColor(x, y); if (color != ofColor(0, 0)) { this->font_location_list.push_back(glm::vec3(x - ofGetWidth() * 0.5, y - ofGetHeight() * 0.25, 0)); } } } } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); for (int i = 0; i < this->font_location_list.size(); i++) { auto size = ofMap(ofNoise(this->font_location_list[i].x * 0.01, this->font_location_list[i].y * 0.01 + ofGetFrameNum() * 0.025), 0, 1, 1, 5); ofDrawCircle(this->font_location_list[i], size); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |