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移動を大袈裟めに可視化。
Movement logs.
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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; vector<glm::vec3> noise_seed_list; vector<glm::vec3> location_list; vector<float> life_list; ofMesh draw_mesh; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); for (int i = 0; i < 5; i++) { this->noise_seed_list.push_back(glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000))); } this->draw_mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { this->draw_mesh.clear(); for (auto& noise_seed : this->noise_seed_list) { auto location = glm::vec3( ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.003), 0, 1, -300, 300), ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.003), 0, 1, -300, 300), ofMap(ofNoise(noise_seed.z, ofGetFrameNum() * 0.003), 0, 1, -300, 300) ); auto next = glm::vec3( ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + 1) * 0.003), 0, 1, -300, 300), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + 1) * 0.003), 0, 1, -300, 300), ofMap(ofNoise(noise_seed.z, (ofGetFrameNum() + 1) * 0.003), 0, 1, -300, 300) ); auto distance = location - next; distance *= 2; auto future = location + distance * 30; auto random_deg_1 = ofRandom(360); auto random_deg_2 = ofRandom(360); future += glm::vec3( 30 * cos(random_deg_1 * DEG_TO_RAD) * sin(random_deg_2 * DEG_TO_RAD), 30 * sin(random_deg_1 * DEG_TO_RAD) * sin(random_deg_2 * DEG_TO_RAD), 30 * cos(random_deg_2 * DEG_TO_RAD) ); auto future_distance = future - location; this->location_list.push_back(location + glm::normalize(future_distance) * 200); this->life_list.push_back(255); } for (int i = this->location_list.size() - 1; i > -1; i--) { this->life_list[i] -= 1.f; if (this->life_list[i] < 0) { this->location_list.erase(this->location_list.begin() + i); this->life_list.erase(this->life_list.begin() + i); continue; } this->draw_mesh.addVertex(this->location_list[i]); this->draw_mesh.addColor(ofColor(32, this->life_list[i])); } for (int i = 0; i < this->draw_mesh.getNumVertices(); i++) { for (int k = i + 1; k < this->draw_mesh.getNumVertices(); k++) { if (glm::distance(this->draw_mesh.getVertex(i), this->draw_mesh.getVertex(k)) < 50) { this->draw_mesh.addIndex(i); this->draw_mesh.addIndex(k); } } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 0.25); ofRotateX(ofGetFrameNum() * 0.5); this->draw_mesh.drawWireframe(); for (int i = 0; i < this->draw_mesh.getNumVertices(); i++) { ofSetColor(ofColor(39, this->life_list[i])); ofDrawSphere(this->location_list[i], 5); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |