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青い線と赤い線。
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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(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofSetLineWidth(10); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { int span = 20; for (int x = 0; x <= ofGetWindowWidth(); x += span) { for (int y = 0; y <= ofGetWindowHeight(); y += span) { bool flag = ofNoise(x * 0.01, y * 0.01, ofGetFrameNum() * 0.05) < 0.5 ? true : false; if (flag) { ofSetColor(239, 139, 139); ofDrawLine(x - span * 0.5, y, x + span * 0.5, y); } else { ofSetColor(139, 139, 239); ofDrawLine(x, y - span * 0.5, x, y + span * 0.5); } } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |