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#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 mesh; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(0); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); ofEnableDepthTest(); this->mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->mesh.clear(); ofColor color; vector<ofColor> base_color_list; vector<int> hex_list = { 0xf44336, 0x9C27B0, 0x3F51B5, 0x03A9F4, 0x009688, 0x8BC34A, 0xFFEB3B, 0xFF9800 }; for (auto hex : hex_list) { color.setHex(hex); base_color_list.push_back(color); } int span = 1; for (int i = 0; i < 800; i++) { int x = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0005), 0, 1, -300, 300); int y = 0; y = ofRandom(150, 170); y *= ofRandom(1) < 0.5 ? 1 : -1; int z = ofRandom(-20, 20); auto location = glm::vec3(x, y, z); auto rotation_x = glm::rotate(glm::mat4(), (ofGetFrameNum() * span + x * span + 300) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0)); location = glm::vec3(x, 0, 0) + glm::vec4(location, 0) * rotation_x; this->mesh.addVertex(location); int color_index = ofRandom(base_color_list.size()); this->mesh.addColor(base_color_list[color_index]); } for (int i = 0; i < 1000; i++) { int x = (int)ofRandom(12) * 50 - 250 + ofRandom(-5, 5); int y = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -170, 170); int z = ofRandom(-10, 10); auto location = glm::vec3(x, y, z); auto rotation_x = glm::rotate(glm::mat4(), (ofGetFrameNum() * span + x * span + 300) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0)); location = glm::vec3(x, 0, 0) + glm::vec4(location, 0) * rotation_x; this->mesh.addVertex(location); int color_index = ofRandom(base_color_list.size()); this->mesh.addColor(base_color_list[color_index]); } for (int i = 0; i < this->mesh.getNumVertices(); i++) { for (int k = i + 1; k < this->mesh.getNumVertices(); k++) { if (distance(this->mesh.getVertex(i), this->mesh.getVertex(k)) < 15) { this->mesh.addIndex(i); this->mesh.addIndex(k); } } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); this->mesh.drawWireframe(); for (int i = 0; i < this->mesh.getNumVertices(); i++) { ofSetColor(this->mesh.getColor(i)); ofDrawSphere(this->mesh.getVertex(i), 2.5); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |