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円をたくさん書いて作ったランダムウォーク。
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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(60); ofSetWindowTitle("openframeworks"); ofBackground(0); ofSetCircleResolution(72); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); ofSeedRandom(39); for (int i = 0; i < 5; i++) { auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000)); for (int k = 0; k < 100; k++) { auto location = glm::vec2( ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.005 + k * 0.005), 0, 1, -340, 340), ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.005 + k * 0.005), 0, 1, -340, 340)); ofSetColor(255); ofDrawCircle(location, ofMap(k, 0, 100, 1, 22)); } } ofSeedRandom(39); for (int i = 0; i < 5; i++) { auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000)); for (int k = 0; k < 100; k++) { auto location = glm::vec2( ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.005 + k * 0.005), 0, 1, -340, 340), ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.005 + k * 0.005), 0, 1, -340, 340)); ofSetColor(0); ofDrawCircle(location, ofMap(k, 0, 100, 0, 20)); } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |