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ランダムウォーク + sin波.
Random walk + sin wave.
[ Source ]
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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) {}; ofEasyCam cam; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(0); ofSetColor(255); ofNoFill(); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(ofMap(sin(ofGetFrameNum() * 2 * DEG_TO_RAD), -1, 1, 255, 285)); ofDrawRectangle(-300, -300, 600, 600); for (int i = 0; i < 6; i++) { vector<glm::vec3> vertices; auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(360)); for (int k = 0; k < 70; k++) { auto x = ofMap(ofNoise(noise_seed.x, k * 0.005 + ofGetFrameNum() * 0.005), 0, 1, -300, 300); auto y = ofMap(ofNoise(noise_seed.y, k * 0.005 + ofGetFrameNum() * 0.005), 0, 1, -300, 300); auto z = ofMap(sin(((int)noise_seed.z + k + ofGetFrameNum()) * 4 * DEG_TO_RAD), -1, 1, -100, 100); vertices.push_back(glm::vec3(x, y, z)); if (z < 3 && z > -3) { ofDrawCircle(glm::vec3(x, y, 0), 10); } } ofBeginShape(); ofVertices(vertices); ofEndShape(false); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |
[ Link ]
https://github.com/junkiyoshi/openframeworks20220720