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ランダム・ウォーカー。
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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); ofNoFill(); ofSetLineWidth(2); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); ofColor color; for (int i = 0; i < 48; i++) { auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000)); color.setHsb(ofMap(i, 0, 48, 0, 255), 200, 200); for (int k = 0; k < 8; k++) { auto location = glm::vec2( ofMap(ofNoise(noise_seed.x, k * 0.0065 + ofGetFrameNum() * 0.005), 0, 1, -600, 600), ofMap(ofNoise(noise_seed.y, k * 0.0065 + ofGetFrameNum() * 0.005), 0, 1, -600, 600)); auto next = glm::vec2( ofMap(ofNoise(noise_seed.x, (k + 1) * 0.0065 + ofGetFrameNum() * 0.005), 0, 1, -600, 600), ofMap(ofNoise(noise_seed.y, (k + 1) * 0.0065 + ofGetFrameNum() * 0.005), 0, 1, -600, 600)); auto velocity = next - location; ofSetColor(color); ofPushMatrix(); ofTranslate(location); ofRotateY(velocity.y * 100); ofRotateX(velocity.x * 100); ofDrawCircle(glm::vec2(), k * 2); ofPopMatrix(); } } /* 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()); } |