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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<ofMeshFace> triangle_list; ofMesh mesh, line, yolk; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetColor(39); ofEnableDepthTest(); auto ico_sphere = ofIcoSpherePrimitive(300, 4); this->triangle_list = ico_sphere.getMesh().getUniqueFaces(); } //-------------------------------------------------------------- void ofApp::update() { this->mesh.clear(); this->line.clear(); this->yolk.clear(); for (auto& triangle : this->triangle_list) { glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3; if (ofNoise(glm::vec4(avg * 0.005, ofGetFrameNum() * 0.008)) < 0.5) { this->mesh.addVertex(triangle.getVertex(0)); this->mesh.addVertex(triangle.getVertex(1)); this->mesh.addVertex(triangle.getVertex(2)); this->mesh.addColor(ofColor(239)); this->mesh.addColor(ofColor(239)); this->mesh.addColor(ofColor(239)); this->line.addVertex(triangle.getVertex(0)); this->line.addVertex(triangle.getVertex(1)); this->line.addVertex(triangle.getVertex(2)); this->line.addColor(ofColor(39)); this->line.addColor(ofColor(39)); this->line.addColor(ofColor(39)); this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 3); this->line.addTriangle(this->line.getNumVertices() - 1, this->line.getNumVertices() - 2, this->line.getNumVertices() - 3); } for (int i = 0; i < 3; i++) { auto noise_value = ofNoise(glm::vec4(triangle.getVertex(i) * 0.005, ofGetFrameNum() * 0.005)); auto noise_radius = ofMap(noise_value, 0, 1, 100, 250); this->yolk.addVertex(glm::normalize(triangle.getVertex(i)) * noise_radius); this->yolk.addColor(ofColor(244, 192, 39)); } this->yolk.addTriangle(this->yolk.getNumVertices() - 1, this->yolk.getNumVertices() - 2, this->yolk.getNumVertices() - 3); } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(ofGetFrameNum() * 0.37); ofRotateY(ofGetFrameNum() * 0.72); this->mesh.draw(); this->line.drawWireframe(); this->yolk.drawWireframe(); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |