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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; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(0); ofSetLineWidth(2); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum()); ofNoFill(); ofColor color; for (int k = 0; k < 350; k++) { ofPushMatrix(); ofRotateZ(ofRandom(360)); ofRotateY(ofRandom(360)); ofRotateX(ofRandom(360)); auto location = glm::vec3(0, 0, 250); int max_radius = ofRandom(130, 180); auto radius = (int)(ofRandom(1000) + ofGetFrameNum() * 1) % max_radius - 100; if (radius > 0) { ofMesh mesh; mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); for (int deg = 0; deg < 144 * 5; deg += 144) { auto vertex = location + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)); vertex = glm::normalize(vertex) * 250; mesh.addVertex(vertex); color.setHsb(ofRandom(255), 180, 255); color = ofColor(color, radius > 25 ? ofMap(radius, 25, max_radius - 100, 255, 0) : 255); mesh.addColor(color); if (deg > 0) { mesh.addIndex(mesh.getNumVertices() - 1); mesh.addIndex(mesh.getNumVertices() - 2); } } mesh.addIndex(0); mesh.addIndex(mesh.getNumVertices() - 1); mesh.drawWireframe(); } else { for (int deg = 0; deg < 144 * 5; deg += 144) { color.setHsb(ofRandom(255), 255, 255); color = ofColor(color, radius > 25 ? ofMap(radius, 25, 80, 255, 0) : 255); } } ofPopMatrix(); } ofFill(); ofSetColor(0); ofDrawSphere(245); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |