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ノイズ壁。
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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; ofTrueTypeFont font; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openFrameworks"); ofBackground(255); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->mesh.clear(); int span = 1; for (int i = 0; i < 3; i++) { auto noise_seed = ofRandom(1000); for (int x = 0; x < 720; x += span) { for (int y = 0; y < 720; y += span) { auto noise_value = ofNoise(noise_seed, x * 0.005, y * 0.005 + ofGetFrameNum() * 0.01, ofGetFrameNum() * 0.005); if (noise_value <= 0.45 || noise_value >= 0.55) { continue; } 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 = ofColor(ofMap(i, -1, 2, 255, 0)); for (int k = 0; k < 4; k++) { this->mesh.addColor(color); } } } } } //-------------------------------------------------------------- void ofApp::draw() { this->mesh.draw(); /* ostringstream os; os << setw(4) << setfill('0') << ofGetFrameNum() + 1; ofImage image; image.grabScreen(0, 0, ofGetWidth(), ofGetHeight()); image.saveImage("image/img_" + os.str() + ".jpg"); if (ofGetFrameNum() + 1 >= 30 * 60) { std::exit(1); } */ } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |