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トリコロールカラー、あまり縁はないですが、好きです。
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#include "ofMain.h" #include "ofFbo.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) {}; ofFbo fbo; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofBackground(0); ofSetWindowTitle("Insta"); this->fbo.allocate(ofGetWidth(), ofGetHeight()); } //-------------------------------------------------------------- void ofApp::update() { int x_span = 30; this->fbo.begin(); ofClear(0); for (int x = 0; x < ofGetWidth(); x += x_span) { float top_rect_height = ofGetHeight() * ofNoise(x * 0.005, 1, ofGetFrameNum() * 0.005); ofSetColor(255); ofFill(); ofDrawRectangle(ofVec2f(x, 0), x_span, ofGetHeight()); ofSetColor(0); ofNoFill(); ofDrawRectangle(ofVec2f(x, 0), x_span, ofGetHeight()); ofSetColor(255, 0, 0); ofFill(); ofDrawRectangle(ofVec2f(x, 0), x_span, top_rect_height); ofSetColor(0, 0, 255); ofNoFill(); ofDrawRectangle(ofVec2f(x, 0), x_span, top_rect_height); float down_rect_height = ofGetHeight() * ofNoise(x * 0.005, 2, ofGetFrameNum() * 0.005); ofSetColor(0, 0, 255); ofFill(); ofDrawRectangle(ofVec2f(x, ofGetHeight()), x_span, -down_rect_height); ofSetColor(255, 0, 0); ofNoFill(); ofDrawRectangle(ofVec2f(x, ofGetHeight()), x_span, -down_rect_height); } this->fbo.end(); } //-------------------------------------------------------------- void ofApp::draw() { this->fbo.draw(0, 0); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |