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青アメーバ球。
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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 mesh; vector<ofMeshFace> triangle_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetColor(39); ofEnableDepthTest(); auto ico_sphere = ofIcoSpherePrimitive(200, 8); this->triangle_list.insert(this->triangle_list.end(), ico_sphere.getMesh().getUniqueFaces().begin(), ico_sphere.getMesh().getUniqueFaces().end()); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->mesh.clear(); auto noise_seed = ofRandom(1000); for (int i = 0; i < this->triangle_list.size(); i++) { glm::vec3 avg = (this->triangle_list[i].getVertex(0) + this->triangle_list[i].getVertex(1) + this->triangle_list[i].getVertex(2)) / 3; auto noise_value = ofNoise(noise_seed, avg.y * 0.01 + ofGetFrameNum() * 0.03, avg.x * 0.01, avg.z * 0.01); if (noise_value < 0.47 || noise_value > 0.53) { continue; } vector<glm::vec3> vertices; vertices.push_back(this->triangle_list[i].getVertex(0)); vertices.push_back(this->triangle_list[i].getVertex(1)); vertices.push_back(this->triangle_list[i].getVertex(2)); this->mesh.addVertices(vertices); ofColor color; color.setHsb(ofMap(ofNoise(glm::vec4(noise_seed, avg * 0.005)), 0, 1, 100, 192), 130, 255); for (int k = 0; k < vertices.size(); k++) { this->mesh.addColor(color); } this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 3); } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 0.35); this->mesh.draw(); ofDrawSphere(199); this->cam.end(); /* int start = 1; 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()); } |