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[ About ]
日本は猛暑。
Japan is extremely hot.
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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; ofMesh mesh; float noise_value; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(255); ofEnableDepthTest(); this->ico_sphere = ofIcoSpherePrimitive(150, 2); this->noise_value = ofRandom(1000); } //-------------------------------------------------------------- void ofApp::update() { this->mesh.clear(); auto triangle_list = this->ico_sphere.getMesh().getUniqueFaces(); for (auto& triangle : triangle_list) { glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3; auto noise_value = ofNoise(avg.x * 0.05, avg.y * 0.05, avg.z * 0.05, this->noise_value); float noise_radius = 150; noise_radius = ofMap(noise_value, 0, 1, 50, 350); int index = this->mesh.getNumVertices(); this->mesh.addVertex(glm::normalize(avg) * (noise_radius + 100)); this->mesh.addVertex(glm::normalize(triangle.getVertex(0)) * noise_radius); this->mesh.addVertex(glm::normalize(triangle.getVertex(1)) * noise_radius); this->mesh.addVertex(glm::normalize(triangle.getVertex(2)) * noise_radius); this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 1); this->mesh.addIndex(index + 2); this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 2); this->mesh.addIndex(index + 3); this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 1); this->mesh.addIndex(index + 3); this->mesh.addIndex(index + 1); this->mesh.addIndex(index + 2); this->mesh.addIndex(index + 3); } if (ofGetFrameNum() % 120 < 60) { this->noise_value += ofMap(ofGetFrameNum() % 120, 0, 60, 0, 0.2); } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(ofGetFrameNum() * 0.43); ofRotateY(ofGetFrameNum() * 0.65); ofSetColor(235, 97, 1); this->mesh.drawFaces(); ofSetColor(255); this->mesh.drawWireframe(); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |