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Riging particle.
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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) {}; ofEasyCam cam; ofMesh mesh; vector<glm::vec3> location_list; vector<glm::vec3> direction_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofEnableDepthTest(); this->mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { this->mesh.clear(); for(int i = 0; i < 2; i++){ this->location_list.push_back(glm::vec3()); auto direction = glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1)); direction = glm::normalize(direction) * 2; this->direction_list.push_back(direction); } for (int i = 0; i < this->location_list.size(); i++) { this->location_list[i] += this->direction_list[i]; } for (int i = this->location_list.size() - 1; i >= 0; i--) { auto len = glm::length(this->location_list[i]); if (len > 300) { this->location_list.erase(this->location_list.begin() + i); this->direction_list.erase(this->direction_list.begin() + i); } this->mesh.addVertex(this->location_list[i]); this->mesh.addColor(ofColor(39, ofMap(len, 0, 300, 255, 0))); } for (int i = 0; i < this->mesh.getNumVertices(); i++) { for (int k = i + 1; k < this->mesh.getNumVertices(); k++) { auto distance = glm::distance(this->mesh.getVertex(i), this->mesh.getVertex(k)); if (distance < 50) { this->mesh.addIndex(i); this->mesh.addIndex(k); } } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(ofGetFrameNum() * 0.43); ofRotateY(ofGetFrameNum() * 0.65); this->mesh.drawVertices(); for (int i = 0; i < this->mesh.getNumVertices(); i++) { ofSetColor(this->mesh.getColor(i)); ofDrawSphere(this->mesh.getVertex(i), 2); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |