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凹球体。
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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, draw_mesh, line_mesh; vector<float> param_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(255); ofSetLineWidth(2); ofEnableDepthTest(); auto ico_sphere = ofIcoSpherePrimitive(300, 5); this->mesh = ico_sphere.getMesh(); for (int i = 0; i < this->mesh.getNumVertices(); i++) { this->param_list.push_back(0); } } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->draw_mesh = this->mesh; this->line_mesh = this->mesh; for (int i = 0; i < this->draw_mesh.getNumVertices(); i++) { auto vertex = this->draw_mesh.getVertex(i); auto noise_value = ofNoise(glm::vec4(vertex * 0.005, ofGetFrameNum() * 0.0085)); if (noise_value <= 0.45 || noise_value >= 0.55) { vertex = glm::normalize(vertex) * 0; } this->draw_mesh.setVertex(i, vertex); this->line_mesh.setVertex(i, vertex); } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(ofGetFrameNum() * 0.37); ofRotateY(ofGetFrameNum() * 0.72); ofSetColor(0); this->draw_mesh.draw(); ofSetColor(255); this->line_mesh.drawWireframe(); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |