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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(239); ofSetLineWidth(2); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); ofColor color; float radius = 120; for (int x = -180; x <= 180; x += 360) { for (int y = -180; y <= 180; y += 360) { for (int len = 60; len > 0; len -= 5) { vector<glm::vec2> vertices; float deg_start = ofRandom(360) + ofGetFrameNum() * ofRandom(3, 10); for (float deg = deg_start; deg < deg_start + 45; deg += 1) { vertices.push_back(glm::vec2(x + (radius - len * 0.5) * cos(deg * DEG_TO_RAD), y + (radius - len * 0.5) * sin(deg * DEG_TO_RAD))); } int hue = ofMap(len, 0, 60, 0, 255); color.setHsb(hue, 180, 255); ofFill(); ofSetColor(color); ofBeginShape(); ofVertex(glm::vec2()); ofVertices(vertices); ofVertex(glm::vec2()); ofEndShape(true); ofNoFill(); ofSetColor(255); ofBeginShape(); ofVertex(glm::vec2()); ofVertices(vertices); ofVertex(glm::vec2()); ofEndShape(true); } } } /* int start = 50; 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()); } |