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球体上の座標で移動する頂点。
互いに接近するように線を引く。
Vertices that move in coordinates on a sphere.
Draw a line when they are close to each other.
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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) {}; ofEasyCam cam; ofMesh frame; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetColor(39); ofEnableDepthTest(); this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->frame.clear(); for (int i = 0; i < 35; i++) { auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)); for (int len = 0; len < 50; len++) { auto vertex = glm::vec3( ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + len) * 0.008), 0, 1, -200, 200), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + len) * 0.008), 0, 1, -200, 200), ofMap(ofNoise(noise_seed.z, (ofGetFrameNum() + len) * 0.008), 0, 1, -200, 200)); vertex = glm::normalize(vertex) * 200; this->frame.addVertex(vertex); } } for (int i = 0; i < this->frame.getNumVertices(); i++) { for (int k = i + 1; k < this->frame.getNumVertices(); k++) { auto d = glm::distance(this->frame.getVertex(i), this->frame.getVertex(k)); if (d < 30) { this->frame.addIndex(i); this->frame.addIndex(k); } } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 0.5); this->frame.drawWireframe(); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |