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9分の1球体。
1/9 sphere.
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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; ofIcoSpherePrimitive ico_sphere; vector<ofMesh> mesh_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofEnableDepthTest(); this->ico_sphere = ofIcoSpherePrimitive(125, 4); } //-------------------------------------------------------------- void ofApp::update() { this->mesh_list.clear(); auto triangle_list = this->ico_sphere.getMesh().getUniqueFaces(); vector<glm::vec3> locations{ glm::vec3(-300, -300, 0), glm::vec3(0, -300, 0), glm::vec3(300, -300, 0), glm::vec3(-300, 0, 0), glm::vec3(0, 0, 0), glm::vec3(300, 0, 0), glm::vec3(-300, 300, 0), glm::vec3(0, 300, 0), glm::vec3(300, 300, 0)}; for (auto& triangle : triangle_list) { glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3; int noise_value = ofMap(ofNoise(avg.x * 0.005, avg.y * 0.005, avg.z * 0.005, ofGetFrameNum() * 0.01), 0, 1, 0, locations.size()); ofMesh mesh; mesh.addVertex(locations[noise_value] + triangle.getVertex(0)); mesh.addVertex(locations[noise_value] + triangle.getVertex(1)); mesh.addVertex(locations[noise_value] + triangle.getVertex(2)); mesh.addIndex(0); mesh.addIndex(1); mesh.addIndex(2); this->mesh_list.push_back(mesh); } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); for (auto& mesh : this->mesh_list) { ofSetColor(239); mesh.drawFaces(); ofSetColor(39); mesh.drawWireframe(); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |