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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | #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; }; | 
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 | #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()); } |