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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(25); ofSetWindowTitle("openframeworks"); ofBackground(39); ofSetLineWidth(0.5); ofNoFill(); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 0.72); for (int i = 0; i < 1000; i++) { auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)); for (int k = 0; k < 100; k++) { auto location = glm::vec3( ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + k) * 0.005), 0, 1, -200, 200), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + k) * 0.005), 0, 1, -200, 200), ofMap(ofNoise(noise_seed.z, (ofGetFrameNum() + k) * 0.005), 0, 1, -200, 200)); auto next = glm::vec3( ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + k + 1) * 0.005), 0, 1, -200, 200), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + k + 1) * 0.005), 0, 1, -200, 200), ofMap(ofNoise(noise_seed.z, (ofGetFrameNum() + k + 1) * 0.005), 0, 1, -200, 200)); auto len = glm::length(location); auto next_len = glm::length(next); if (len < 130) { location = glma::normalize(location) * 130; } if (len > 170) { location = glm::normalize(location) * 170; } if (next_len < 130) { next = glm::normalize(next) * 130; } if (next_len > 170) { next = glm::normalize(next) * 170; } ofSetColor(192, ofMap(k, 0, 100, 0, 255)); ofDrawLine(location, next); } } this->cam.end(); /* int start = 150; if (ofGetFrameNum() > start) { ostringstream os; os << setw(4) << setfill('0') << ofGetFrameNum() - start; ofImage image; image.grabScreen(0, 0, ofGetWidth(), ofGetHeight()); image.saveImage("image/cap/img_" + os.str() + ".jpg"); if (ofGetFrameNum() - start >= 25 * 20) { std::exit(1); } } */ } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |