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Box in sphere.
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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; vector<ofMeshFace> triangle_list; ofMesh mesh, frame; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetLineWidth(1); ofEnableDepthTest(); auto ico_sphere = ofIcoSpherePrimitive(100, 3); this->triangle_list.insert(this->triangle_list.end(), ico_sphere.getMesh().getUniqueFaces().begin(), ico_sphere.getMesh().getUniqueFaces().end()); this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { this->mesh.clear(); this->frame.clear(); for (int radius = 300; radius <= 500; radius += 20) { 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(glm::vec4(avg * 0.01, (radius / 20 + ofGetFrameNum()) * 0.008)); if (noise_value < 0.45) { vector<glm::vec3> vertices; vertices.push_back(glm::normalize(((this->triangle_list[i].getVertex(0) - avg) * 0.999) + avg) * (radius + 10)); vertices.push_back(glm::normalize(((this->triangle_list[i].getVertex(1) - avg) * 0.999) + avg) * (radius + 10)); vertices.push_back(glm::normalize(((this->triangle_list[i].getVertex(2) - avg) * 0.999) + avg) * (radius + 10)); vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(0)) * (radius - 10)); vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(1)) * (radius - 10)); vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(2)) * (radius - 10)); this->mesh.addVertices(vertices); this->frame.addVertices(vertices); this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 3); this->mesh.addTriangle(this->mesh.getNumVertices() - 4, this->mesh.getNumVertices() - 5, this->mesh.getNumVertices() - 6); this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 5); this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 5, this->mesh.getNumVertices() - 4); this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 3, this->mesh.getNumVertices() - 6); this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 6, this->mesh.getNumVertices() - 4); this->mesh.addTriangle(this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 3, this->mesh.getNumVertices() - 6); this->mesh.addTriangle(this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 6, this->mesh.getNumVertices() - 5); this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 3); this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 3); this->frame.addIndex(this->frame.getNumVertices() - 4); this->frame.addIndex(this->frame.getNumVertices() - 5); this->frame.addIndex(this->frame.getNumVertices() - 5); this->frame.addIndex(this->frame.getNumVertices() - 6); this->frame.addIndex(this->frame.getNumVertices() - 4); this->frame.addIndex(this->frame.getNumVertices() - 6); this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 4); this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 5); this->frame.addIndex(this->frame.getNumVertices() - 3); this->frame.addIndex(this->frame.getNumVertices() - 6); } } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(ofGetFrameNum() * 0.37); ofRotateY(ofGetFrameNum() * 0.72); ofSetColor(39); this->mesh.drawFaces(); ofSetColor(239); this->frame.drawWireframe(); ofRotateX(ofGetFrameNum() * 0.37); ofRotateY(ofGetFrameNum() * 0.72); ofSetColor(39); ofFill(); ofDrawBox(149); ofSetColor(239); ofNoFill(); ofDrawBox(150); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |