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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; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofEnableDepthTest(); ofSetLineWidth(3); auto ico_sphere = ofIcoSpherePrimitive(250, 4); this->base_mesh = ico_sphere.getMesh(); this->draw_mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { this->draw_mesh.clear(); ofColor color; for (int i = 0; i < this->base_mesh.getNumVertices(); i++) { auto v = this->base_mesh.getVertex(i); color.setHsb(ofMap(i, 0, this->base_mesh.getNumVertices(), 150, 255), 255, 255); for (int j = 0; j < 15; j++) { auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.006, ofGetFrameNum() * 0.0015 + j * 0.0015)), 0, 1, -360, 360) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0)); auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.006, ofGetFrameNum() * 0.0015 + j * 0.0015)), 0, 1, -360, 360) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0)); auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.006, ofGetFrameNum() * 0.0015 + j * 0.0015)), 0, 1, -360, 360) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1)); auto vertex = glm::vec4(v, 0) * rotation_z * rotation_y * rotation_x; this->draw_mesh.addVertex(vertex); this->draw_mesh.addColor(ofColor(color, ofMap(j, 0, 15, 0, 100))); if (j != 0) { this->draw_mesh.addIndex(this->draw_mesh.getNumVertices() - 1); this->draw_mesh.addIndex(this->draw_mesh.getNumVertices() - 2); } } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum()); ofSetColor(0); ofFill(); ofDrawSphere(248); this->draw_mesh.drawWireframe(); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |