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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(5); ofNoFill(); ofEnableDepthTest(); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofColor color; for (int i = 0; i < 5000; i++) { color.setHsb(ofMap(i, 0, 5000, 0, 255), ofRandom(100, 255), ofRandom(100, 255)); auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)); for (int k = 0; k < 30; k++) { auto location = glm::vec3( ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + k) * 0.05), 0, 1, -1000, 1000), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + k) * 0.0005), 0, 1, -1000, 1000), ofMap(ofNoise(noise_seed.z, (ofGetFrameNum() + k) * 0.05), 0, 1, -1000, 1000)); auto next = glm::vec3( ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + k + 1) * 0.05), 0, 1, -1000, 1000), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + k + 1) * 0.0005), 0, 1, -1000, 1000), ofMap(ofNoise(noise_seed.z, (ofGetFrameNum() + k + 1) * 0.05), 0, 1, -1000, 1000)); if (location.x > 800) { location.x = 800; } if (location.x < -800) { location.x = -800; } if (next.x > 800) { next.x = 800; } if (next.x < -800) { next.x = -800; } if (location.y > 800) { location.y = 800; } if (location.y < -800) { location.y = -800; } if (next.y > 800) { next.y = 800; } if (next.y < -800) { next.y = -800; } if (location.z > 800) { location.z = 800; } if (location.z < -800) { location.z = -800; } if (next.z > 800) { next.z = 800; } if (next.z < -800) { next.z = -800; } if (location.y > 0 && location.y < 750) { location.y = 750; } if (location.y < 0 && location.y > -750) { location.y = -750; } if (next.y > 0 && next.y < 750) { next.y = 750; } if (next.y < 0 && next.y > -750) { next.y = -750; } auto alpha = ofMap(k, 0, 30, 0, 255); ofSetColor(color, alpha); ofDrawLine(location, next); } } this->cam.end(); /* int start = 250; 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()); } |