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線による円
Circle by Line.
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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) {}; vector<ofPoint> locations; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetColor(39); int size = 40; ofColor color; for (int x = 0; x < ofGetWidth(); x += size) { for (int y = 0; y < ofGetHeight(); y += size) { if (y % (size * 2) == 0) { this->locations.push_back(ofPoint(x + size * 0.5, y + size * 0.5)); } else { this->locations.push_back(ofPoint(x, y + size * 0.5)); } } } } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { for (int i = 0; i < this->locations.size(); i++) { float noise_value = ofNoise(this->locations[i].x * 0.001, this->locations[i].y * 0.001, ofGetFrameNum() * 0.0001); float noise_deg = noise_value * 720; ofPoint target = ofPoint(200 * cos(noise_deg * DEG_TO_RAD), 200 * sin(noise_deg * DEG_TO_RAD)) + ofPoint(ofGetWidth() * 0.5, ofGetHeight() * 0.5); ofDrawCircle(this->locations[i], 3); ofDrawLine(this->locations[i], target); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |