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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) {}; ofMesh mesh; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(239); } //-------------------------------------------------------------- void ofApp::update() { this->mesh.clear(); float span = 0.5; for (float noise_param = 0; noise_param < 1.1; noise_param += 0.1) { for (float x = 20; x <= 700; x += span) { for (float y = 20; y <= 700; y += span) { float noise_value = ofNoise(x * 0.008, y * 0.008, ofGetFrameNum() * 0.025, ofGetFrameNum() * 0.0025); if (noise_value >= noise_param - 0.025 && noise_value <= noise_param + 0.025) { this->mesh.addVertex(glm::vec3(x, y, 0)); this->mesh.addVertex(glm::vec3(x + span, y, 0)); this->mesh.addVertex(glm::vec3(x + span, y + span, 0)); this->mesh.addVertex(glm::vec3(x, y + span, 0)); this->mesh.addIndex(this->mesh.getNumVertices() - 1); this->mesh.addIndex(this->mesh.getNumVertices() - 4); this->mesh.addIndex(this->mesh.getNumVertices() - 3); this->mesh.addIndex(this->mesh.getNumVertices() - 1); this->mesh.addIndex(this->mesh.getNumVertices() - 2); this->mesh.addIndex(this->mesh.getNumVertices() - 3); ofColor color(ofMap(noise_param, 0, 1, 39, 239)); for (int i = 0; i < 4; i++) { this->mesh.addColor(color); } } } } } } //-------------------------------------------------------------- void ofApp::draw() { this->mesh.draw(); /* int start = 1; 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()); } |