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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, draw_mesh, line_mesh; vector<float> param_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(0); ofSetLineWidth(2); ofEnableDepthTest(); auto ico_sphere = ofIcoSpherePrimitive(300, 4); this->mesh = ico_sphere.getMesh(); for (int i = 0; i < this->mesh.getNumVertices(); i++) { this->param_list.push_back(0); } } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->draw_mesh = this->mesh; this->line_mesh = this->mesh; for (int k = 0; k < 10; k++) { auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)); auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.0025), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0)); auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.0025), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0)); auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.z, ofGetFrameNum() * 0.0025), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 0, 1)); glm::vec3 location = glm::vec4(0, 0, 300, 0) * rotation_z * rotation_y * rotation_x; for (int i = 0; i < this->draw_mesh.getNumVertices(); i++) { auto distance = glm::distance(location, this->draw_mesh.getVertex(i)); if (distance < 50) { this->param_list[i] = 300; } } } for (int i = 0; i < this->draw_mesh.getNumVertices(); i++) { glm::vec3 vertex = this->draw_mesh.getVertex(i); vertex = glm::normalize(vertex) * (300 - this->param_list[i]); this->draw_mesh.setVertex(i, vertex); this->line_mesh.setVertex(i, vertex); } for (int i = 0; i < this->param_list.size(); i++) { this->param_list[i] -= 5; if (this->param_list[i] < 0) { this->param_list[i] = 0; } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(ofGetFrameNum() * 0.37); ofRotateY(ofGetFrameNum() * 0.72); ofSeedRandom(39); for (int k = 0; k < 10; k++) { auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)); auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.0025), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0)); auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.0025), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0)); auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.z, ofGetFrameNum() * 0.0025), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 0, 1)); glm::vec3 location = glm::vec4(0, 0, 250, 0) * rotation_z * rotation_y * rotation_x; ofDrawSphere(location, 5); } ofSetColor(0); this->draw_mesh.draw(); ofSetColor(255, 0, 0); this->line_mesh.drawWireframe(); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |