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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) {}; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openframeworks"); ofBackground(39); ofSetLineWidth(1); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); ofColor color; for (int radius = 200; radius >= 50; radius -= 50) { for (int i = 0; i < 6; i++) { float left_deg_start = ofGetFrameNum() * 5 - i * 15 + ofMap(radius, 50, 200, 0, 270); float right_deg_start = ofGetFrameNum() * 5 - i * 15 + ofMap(radius, 50, 200, 0, 270); vector<glm::vec2> vertices; for (float deg = left_deg_start; deg < left_deg_start + 10; deg += 1) { vertices.push_back(glm::vec2(-180 + radius * cos(deg * DEG_TO_RAD), -180 + radius * sin(deg * DEG_TO_RAD))); } for (float deg = right_deg_start; deg > right_deg_start - 10; deg -= 1) { vertices.push_back(glm::vec2(180 + radius * cos(deg * DEG_TO_RAD), 180 + radius * sin(deg * DEG_TO_RAD))); } color.setHsb(ofMap(i, 0, 6, 0, 255), 200, 255); ofFill(); ofSetColor(color, 200); ofBeginShape(); ofVertices(vertices); ofEndShape(true); ofNoFill(); ofSetColor(255); ofBeginShape(); ofVertices(vertices); ofEndShape(true); } } /* 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); } } */ } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |