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ノイズ関数でドットをユラユラ
Noise mosaic.
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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(60); ofSetWindowTitle("openFrameworks"); ofBackground(0); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofColor color; for (int i = 0; i < 50; i++) { color.setHsb(i * 5, 255, 255); ofSetColor(color, 128); float noise_seed_x = ofRandom(1000); float noise_seed_y = ofRandom(1000); for (int l = 0; l < 5; l++) { int x = ofMap(ofNoise(noise_seed_x + (ofGetFrameNum() + l) * 0.05), 0, 1, 0, ofGetWidth()); int y = ofMap(ofNoise(noise_seed_y + (ofGetFrameNum() + l) * 0.05), 0, 1, 0, ofGetHeight()); x = (x / 15) * 15; y = (y / 15) * 15; glm::vec2 location = glm::vec2(x, y); ofDrawRectangle(location, 15, 15); } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |