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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) {}; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openframeworks"); ofBackground(39); ofSetLineWidth(1.5); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5); ofColor color; for (int k = 0; k < 40; k++) { ofRotate(9); color.setHsb(ofMap(k, 0, 40, 0, 255), 200, 255); ofSetColor(color); vector<glm::vec2> vertices; for (int i = 0; i < 10; i++) { auto radius = k % 2 == 0 ? ofMap(sin((ofGetFrameNum() + i) * 0.314 * 0.35), -1, 1, 200, 300) : ofMap(sin((ofGetFrameNum() + i) * 0.314 * 0.35), -1, 1, 300, 200); auto deg = (ofGetFrameNum() + i) * 4; auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)); vertices.push_back(location); } ofNoFill(); ofBeginShape(); ofVertices(vertices); ofEndShape(); ofFill(); ofDrawCircle(vertices[0], 3); ofDrawCircle(vertices[vertices.size() - 1], 3); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |