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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) {}; ofEasyCam cam; ofMesh mesh; float noise_step; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); } //-------------------------------------------------------------- void ofApp::update() { this->mesh.clear(); if (ofGetFrameNum() % 50 < 30) { this->noise_step += ofMap(ofGetFrameNum() % 50, 0, 30, 0.1, 0); } float size = 2; ofColor color; for (float x = -300; x <= 300; x += size) { for (float y = -300; y <= 300; y += size) { float deg = ofMap(ofNoise(x * 0.0025, y * 0.0025, this->noise_step), 0, 1, -360 * 2, 360 * 2); this->mesh.addVertex(glm::vec3( x + size * 6 * cos(deg * DEG_TO_RAD), y + size * 6 * sin(deg * DEG_TO_RAD), 0)); color.setHsb((int)ofMap(x, -300, 300, 128, 255 + 128) % 255, 200, 80); this->mesh.addColor(color); } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateZ(ofGetFrameNum() * 1.44); this->mesh.drawVertices(); this->cam.end(); /* int start = 500; 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()); } |