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ワイヤー球。
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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 base_mesh, draw_mesh; float noise_step; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetColor(39); ofEnableDepthTest(); auto ico_sphere = ofIcoSpherePrimitive(250, 3); this->base_mesh = ico_sphere.getMesh(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->draw_mesh.clear(); if (ofGetFrameNum() % 50 < 20) { this->noise_step += ofMap(ofGetFrameNum() % 50, 0, 20, 0.25, 0); } vector<ofColor> color_list = { ofColor(38) }; auto noise_seed = ofRandom(1000); for (int k = 0; k < color_list.size(); k++) { noise_seed += ofRandom(1000); for (auto v : this->base_mesh.getVertices()) { for (int i = 0; i < 1; i++) { auto radius = ofMap(ofNoise(glm::vec4(v.x * 0.0065, v.y * 0.0065, v.z * 0.0065, this->noise_step)), 0, 1, 150, 300); v = glm::normalize(v) * radius; } this->draw_mesh.addVertex(v); this->draw_mesh.addColor(color_list[k]); } for (int i = 0; i < this->base_mesh.getNumIndices(); i++) { this->draw_mesh.addIndex(this->base_mesh.getIndex(i)); } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 0.72); this->draw_mesh.drawWireframe(); ofFill(); for (int i = 0; i < this->draw_mesh.getNumVertices(); i++) { ofDrawSphere(this->draw_mesh.getVertex(i), 2); } 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()); } |