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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 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) {}; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetColor(0); ofNoFill(); ofSetLineWidth(3); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { int span = 30; int radius = 8; for (int x = span * 1.5; x <= ofGetWindowWidth() - span * 1.5; x += span) { for (int y = span * 1.5; y <= ofGetWindowHeight() - span * 1.5; y += span) { bool flag = ofNoise(x * 0.01, y * 0.01, ofGetFrameNum() * 0.003) < 0.5 ? true : false; if (flag) { ofDrawLine(x - span * 0.5, y, x + span * 0.5, y); bool left_flag = ofNoise((x - span) * 0.01, y * 0.01, ofGetFrameNum() * 0.003) < 0.5 ? true : false; if (left_flag == false || x == span * 1.5) { ofBeginShape(); for (int deg = 90; deg <= 270; deg += 90) { ofVertex(x - span * 0.4 + radius * cos(deg * DEG_TO_RAD), y + radius * sin(deg * DEG_TO_RAD)); } ofEndShape(); } bool right_flag = ofNoise((x + span) * 0.01, y * 0.01, ofGetFrameNum() * 0.003) < 0.5 ? true : false; if (right_flag == false || x == ofGetWindowWidth() - span * 1.5) { ofBeginShape(); for (int deg = 270; deg <= 450; deg += 90) { ofVertex(x + span * 0.4 + radius * cos(deg * DEG_TO_RAD), y + radius * sin(deg * DEG_TO_RAD)); } ofEndShape(); } } else { ofDrawLine(x, y - span * 0.5, x, y + span * 0.5); bool top_flag = ofNoise(x * 0.01, (y - span) * 0.01, ofGetFrameNum() * 0.003) < 0.5 ? true : false; if (top_flag || y == span * 1.5) { ofBeginShape(); for (int deg = 180; deg <= 360; deg += 90) { ofVertex(x + radius * cos(deg * DEG_TO_RAD), (y - span * 0.4) + radius * sin(deg * DEG_TO_RAD)); } ofEndShape(); } bool bottom_flag = ofNoise(x * 0.01, (y + span) * 0.01, ofGetFrameNum() * 0.003) < 0.5 ? true : false; if (bottom_flag || y == ofGetWindowHeight() - span * 1.5) { ofBeginShape(); for (int deg = 0; deg <= 180; deg += 90) { ofVertex(x + radius * cos(deg * DEG_TO_RAD), (y + span * 0.4) + radius * sin(deg * DEG_TO_RAD)); } ofEndShape(); } } } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |