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Noise関数の引数の値をNoise関数で増やす。
Increases the value of the Noise function’s argument with the Noise function.
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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) {}; float noise_param; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetColor(39); ofSetLineWidth(2); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->noise_param += ofNoise(ofRandom(1000), ofGetFrameNum() * 0.039) * 0.01; } //-------------------------------------------------------------- void ofApp::draw() { vector<glm::vec2> location_list; for (int i = 0; i < 65; i++) { auto location = glm::vec2( ofMap(ofNoise(ofRandom(1000), this->noise_param), 0, 1, 60, ofGetWidth() - 60), ofMap(ofNoise(ofRandom(1000), this->noise_param), 0, 1, 60, ofGetHeight() - 60) ); location_list.push_back(location); } for (auto& location : location_list) { ofDrawCircle(location, 5); for (auto& other : location_list) { if (location == other) { continue; } if (glm::distance(location, other) < 65) { ofDrawLine(location, other); } } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |