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#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) {}; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { float span = 0.5; ofColor color; for (int i = 0; i < 5; i++) { ofMesh mesh; auto noise_seed = ofRandom(1000); for (float x = 30; x < 690; x += span) { for (float y = 30; y < 690; y += span) { float noise_value = ofNoise(noise_seed, x * 0.0005, y * 0.0005, glm::distance(glm::vec2(360, 360), glm::vec2(x, y)) * 0.003 - ofGetFrameNum() * 0.02); if ((noise_value > 0.55 && noise_value < 0.6)) { mesh.addVertex(glm::vec3(x, y, 0)); mesh.addVertex(glm::vec3(x + span, y, 0)); mesh.addVertex(glm::vec3(x + span, y + span, 0)); mesh.addVertex(glm::vec3(x, y + span, 0)); mesh.addIndex(mesh.getNumVertices() - 1); mesh.addIndex(mesh.getNumVertices() - 4); mesh.addIndex(mesh.getNumVertices() - 3); mesh.addIndex(mesh.getNumVertices() - 1); mesh.addIndex(mesh.getNumVertices() - 2); mesh.addIndex(mesh.getNumVertices() - 3); color.setHsb(ofMap(i, 0, 5, 0, 255), 230, 255); for (int i = 0; i < 4; i++) { mesh.addColor(color); } } } } mesh.draw(); } /* int start = 200; 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()); } |