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親となるランダムウォークと追随するランダムウォーク。
Parent random walk and following random walk.
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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(239); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); int base_len = 100; int number_of_satellite = 380; int number_of_log = 25; auto base_noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000)); auto base_location = glm::vec3(ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -250, 250), ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -250, 250), 0); ofPushMatrix(); ofTranslate(base_location); ofRotateY(ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -360, 360)); ofRotateX(ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -360, 360)); ofFill(); ofSetColor(39); ofDrawBox(glm::vec3(), base_len * 0.85); ofNoFill(); ofSetColor(239); ofDrawBox(glm::vec3(), base_len * 0.85 + 0.1); ofPopMatrix(); for (int i = 0; i < number_of_satellite; i++) { float noise_seed_x = ofRandom(1000); float noise_seed_y = ofRandom(1000); auto location = glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1)); location = glm::normalize(location) * base_len * 1.25; auto prev_location = glm::vec3(); for (int k = 0; k < number_of_log; k++) { auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_y, (ofGetFrameNum() + k) * 0.001), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0)); auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_x, (ofGetFrameNum() + k) * 0.001), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0)); auto tmp_base_location = glm::vec3(ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum() + k) * 0.005), 0, 1, -250, 250), ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum() + k) * 0.005), 0, 1, -250, 250), 0); auto draw_location = tmp_base_location + glm::vec4(location, 0) * rotation_y * rotation_x; if (k > 0) { ofSetLineWidth(0.5); ofSetColor(ofColor(39, ofMap(k, 0, number_of_log, 32, 255))); ofDrawLine(prev_location, draw_location); } prev_location = draw_location; } ofPushMatrix(); ofTranslate(prev_location); ofRotateY(ofMap(ofNoise(noise_seed_y, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -PI * 2 * RAD_TO_DEG, PI * 2 * RAD_TO_DEG)); ofRotateX(ofMap(ofNoise(noise_seed_x, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -PI * 2 * RAD_TO_DEG, PI * 2 * RAD_TO_DEG)); ofSetLineWidth(1.5); ofFill(); ofSetColor(239); ofDrawBox(glm::vec3(), base_len * 0.15); ofNoFill(); ofSetColor(39); ofDrawBox(glm::vec3(), base_len * 0.15 + 0.1); ofPopMatrix(); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |