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IcoSphereから、それぞれの三角形の座標を取得しています。
We are acquiring the coordinates of each triangle from IcoSphere.
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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 mouseEntered(int x, int y) {}; void mouseExited(int x, int y) {}; void windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; ofEasyCam cam; ofIcoSpherePrimitive icoSphere; vector<ofVec3f> locations; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofBackground(0); ofSetWindowTitle("Insta"); this->icoSphere.setRadius(300); this->icoSphere.setResolution(4); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() / 4.f); ofColor sphere_color; sphere_color.setHsb((ofGetFrameNum() / 4) % 255, 255, 255); vector<ofMeshFace> triangles = icoSphere.getMesh().getUniqueFaces(); for (int i = 0; i < triangles.size(); i++) { ofVec3f avg = (triangles[i].getVertex(0) + triangles[i].getVertex(1) + triangles[i].getVertex(2)) / 3; float noise_value = ofMap(ofNoise(avg.x * 0.005, avg.y * 0.005, avg.z * 0.005, ofGetFrameNum() * 0.005), 0, 1, 0, 1.5); ofMesh mesh; ofVec3f point1 = triangles[i].getVertex(0) - avg; ofVec3f point2 = triangles[i].getVertex(1) - avg; ofVec3f point3 = triangles[i].getVertex(2) - avg; mesh.addVertex(point1 * noise_value); mesh.addVertex(point2 * noise_value); mesh.addVertex(point3 * noise_value); ofPushMatrix(); ofTranslate(avg); ofSetColor(sphere_color, 255 * noise_value); mesh.draw(); ofPopMatrix(); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |