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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) {}; glm::vec2 make_point(int len, int param); ofEasyCam cam; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofSetLineWidth(3); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(ofGetFrameNum() * 0.72); ofRotateY(ofGetFrameNum() * 0.36); ofSetColor(255); float span = 50; for (int i = 0; i < 6; i++) { for (float x = -100; x <= 100; x += span) { for (float y = -100; y <= 100; y += span) { ofPushMatrix(); if (i <= 3) { ofRotateX(i * 90); } else { i == 5 ? ofRotateY(90) : ofRotateY(270); } ofTranslate(x, y, 100 + 25); auto noise_value = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.005); auto start_param = noise_value < 0.51 ? (noise_value < 0.49 ? 0 : ofMap(noise_value, 0.49, 0.51, 0, 25)) : 25; auto start = this->make_point(span, start_param); auto end = this->make_point(span, start_param + 50); ofDrawLine(start, end); ofDrawSphere(glm::vec3(start, 0), 5); ofDrawSphere(glm::vec3(end, 0), 5); ofPopMatrix(); } } } 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); } } */ } //-------------------------------------------------------------- glm::vec2 ofApp::make_point(int len, int param) { param = param % 100; if (param < 25) { return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5); } else if (param < 50) { return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5)); } else if (param < 75) { return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5); } else { return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5)); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |