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トーラス面の上をパーティクルが移動
Particle move on torus.
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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) {}; glm::vec3 make_point(float R, float r, float u, float v); ofEasyCam cam; vector<glm::vec3> locations; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetColor(39); ofEnableDepthTest(); ofSetLineWidth(1.5); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->locations.clear(); while (this->locations.size() < 500) { float R = 300; float r = 50; float u = ofRandom(0, 360) + ofGetFrameNum() * ofRandom(0.5, 2); float v = ofRandom(0, 360); this->locations.push_back(this->make_point(R, r, u, v)); } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); for (auto& location : this->locations) { ofSetColor(39); ofDrawSphere(location, 3); for (auto& other : this->locations) { if (location == other) { continue; } float distance = glm::distance(location, other); if (distance < 50) { ofSetColor(ofMap(distance, 10, 50, 39, 239)); ofDrawLine(location, other); } } } this->cam.end(); } //-------------------------------------------------------------- glm::vec3 ofApp::make_point(float R, float r, float u, float v) { // 数学デッサン教室 描いて楽しむ数学たち P.31 u *= DEG_TO_RAD; v *= DEG_TO_RAD; float x = (R + r * cos(u)) * cos(v); float y = (R + r * cos(u)) * sin(v); float z = r * sin(u); return glm::vec3(x, y, z); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |