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Sine wave, cosine wave, perlin noise wave.
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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) {}; vector<glm::vec2> word_size_list; vector<vector<ofPath>> path_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofFill(); ofSetColor(39); ofTrueTypeFont font; font.loadFont("fonts/Kazesawa-Bold.ttf", 28, true, true, true); vector<string> word_list = { "sin", "cos", "noise" }; for (const auto& word : word_list) { auto word_size = glm::vec2(font.stringWidth(word), font.stringHeight(word)); auto path = font.getStringAsPoints(word, true, false); this->word_size_list.push_back(word_size); this->path_list.push_back(path); } } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { for (int word_index = 0; word_index < this->word_size_list.size(); word_index++) { vector<glm::vec2> top_vertices, bottom_vertices; for (int x = 0; x <= 720; x += this->word_size_list[word_index].x * 1.05) { for (int path_index = 0; path_index < this->path_list[word_index].size(); path_index++) { auto outline = path_list[word_index][path_index].getOutline(); ofBeginShape(); for (int line_index = 0; line_index < outline.size(); line_index++) { if (line_index != 0) { ofNextContour(true); } auto vertices = outline[line_index].getVertices(); for (int i = 0; i < vertices.size(); i++) { auto location = vertices[i] + glm::vec2(x, this->word_size_list[word_index].y * 0.5); auto y = word_index == 0 ? ofMap(sin(location.x * 0.005 + ofGetFrameNum() * 0.025), -1, 1, 50, 670) : word_index == 1 ? ofMap(cos(location.x * 0.005 + ofGetFrameNum() * 0.025), -1, 1, 50, 670) : ofMap(ofNoise(location.x * 0.005 + ofGetFrameNum() * 0.025), 0, 1, 50, 670); ofVertex(location + glm::vec2(0, y)); } } ofEndShape(true); } } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |