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球体のひだ。
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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; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetLineWidth(1.5); ofEnableDepthTest(); auto ico_sphere = ofIcoSpherePrimitive(300, 6); this->mesh = ico_sphere.getMesh(); } //-------------------------------------------------------------- void ofApp::update() { this->draw_mesh = this->mesh; this->line_mesh = this->mesh; for (int i = 0; i < this->draw_mesh.getNumVertices(); i++) { glm::vec3 vertex = this->draw_mesh.getVertex(i); auto noise_value = ofNoise(glm::vec4(vertex * 0.005, ofGetFrameNum() * 0.008)); if (noise_value > 0.4 && noise_value < 0.5) { vertex = glm::normalize(vertex) * ofMap(noise_value, 0.4, 0.5, 300, 350); } else if (noise_value >= 0.5 && noise_value < 0.6) { vertex = glm::normalize(vertex) * ofMap(noise_value, 0.5, 0.6, 350, 300); } this->draw_mesh.setVertex(i, vertex); this->draw_mesh.addColor(ofColor(239)); this->line_mesh.setVertex(i, vertex); this->line_mesh.addColor(ofColor(ofMap(glm::length(vertex), 300, 350, 200, 39))); } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 0.72); this->draw_mesh.draw(); this->line_mesh.drawWireframe(); this->cam.end(); /* int start = 50; if (ofGetFrameNum() > start) { ostringstream os; os << setw(4) << setfill('0') << ofGetFrameNum() - start; ofImage image; image.grabScreen(0, 0, ofGetWidth(), ofGetHeight()); image.saveImage("image/cap/img_" + os.str() + ".jpg"); if (ofGetFrameNum() - start >= 25 * 20) { std::exit(1); } } */ } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |