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近い点同士をつなぐノイズ由来の線。
Line of noise.
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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) {}; ofMesh mesh; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetColor(39); this->mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->mesh.clear(); for (int i = 0; i < 3; i++) { auto noise_seed = ofRandom(1000); for (int x = 0; x <= ofGetWidth(); x += 3) { auto y = ofMap(ofNoise(noise_seed, x * 0.003, ofGetFrameNum() * 0.003), 0, 1, 0, ofGetHeight()); this->mesh.addVertex(glm::vec3(x, y, 0)); if (x > 0) { this->mesh.addIndex(this->mesh.getNumVertices() - 2); this->mesh.addIndex(this->mesh.getNumVertices() - 1); } } } for (int i = 0; i < this->mesh.getNumVertices(); i++) { for (int k = i + 2; k < this->mesh.getNumVertices(); k++) { if (glm::distance(this->mesh.getVertex(i), this->mesh.getVertex(k)) < 35) { this->mesh.addIndex(i); this->mesh.addIndex(k); } } } } //-------------------------------------------------------------- void ofApp::draw() { this->mesh.drawWireframe(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |