[ Video ]
[ About ]
箱の中にランダムウォークを閉じ込めて隙間から除く。
Trapping random walkers in a box and excluding them from the gap.
[ 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 windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; glm::vec2 make_point(int len, int param); void add_panel(vector<glm::vec3> vertices); ofEasyCam cam; ofMesh face, line, walker; vector<glm::vec3> base_location_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetLineWidth(2); ofEnableDepthTest(); this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); this->walker.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); this->base_location_list = vector<glm::vec3>{ glm::vec3(-300, -300, -300), glm::vec3(300, -300, -300), glm::vec3(-300, -300, 300), glm::vec3(300, -300, 300), glm::vec3(-300, 300, -300), glm::vec3(300, 300, -300), glm::vec3(-300, 300, 300), glm::vec3(300, 300, 300), }; } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->face.clear(); this->line.clear(); this->walker.clear(); vector<ofColor> base_color_list; ofColor color; vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c }; for (auto hex : hex_list) { color.setHex(hex); base_color_list.push_back(color); } int len = 300; int size = 15; for (int i = 0; i < this->base_location_list.size(); i++) { auto base_location = this->base_location_list[i]; auto noise_param = ofRandom(1000); for (int s_1 = len * -0.5; s_1 <= len * 0.5; s_1 += size) { for (int s_2 = len * -0.5; s_2 <= len * 0.5; s_2 += size) { vector<glm::vec3> vertices; auto p = (len + size) * 0.5; vertices.clear(); vertices.push_back(glm::vec3(p, s_1 - size * 0.5, s_2 - size * 0.5)); vertices.push_back(glm::vec3(p, s_1 + size * 0.5, s_2 - size * 0.5)); vertices.push_back(glm::vec3(p, s_1 + size * 0.5, s_2 + size * 0.5)); vertices.push_back(glm::vec3(p, s_1 - size * 0.5, s_2 + size * 0.5)); auto noise_value = ofNoise(p * 0.003, s_1 * 0.003, s_2 * 0.003, noise_param + ofGetFrameNum() * 0.01); auto add = 0; if (noise_value > 0.5) { add = ofMap(noise_value, 0.5, 1, 0, size * 5); } for (auto& vertex : vertices) { vertex.x += add; vertex += base_location; } this->add_panel(vertices); vertices.clear(); vertices.push_back(glm::vec3(-p, s_1 - size * 0.5, s_2 - size * 0.5)); vertices.push_back(glm::vec3(-p, s_1 + size * 0.5, s_2 - size * 0.5)); vertices.push_back(glm::vec3(-p, s_1 + size * 0.5, s_2 + size * 0.5)); vertices.push_back(glm::vec3(-p, s_1 - size * 0.5, s_2 + size * 0.5)); noise_value = ofNoise(p * 0.003, s_1 * 0.003, s_2 * 0.003, noise_param + ofGetFrameNum() * 0.01); add = 0; if (noise_value > 0.5) { add = ofMap(noise_value, 0.5, 1, 0, size * 5); } for (auto& vertex : vertices) { vertex.x -= add; vertex += base_location; } this->add_panel(vertices); vertices.clear(); vertices.push_back(glm::vec3(s_1 - size * 0.5, p, s_2 - size * 0.5)); vertices.push_back(glm::vec3(s_1 + size * 0.5, p, s_2 - size * 0.5)); vertices.push_back(glm::vec3(s_1 + size * 0.5, p, s_2 + size * 0.5)); vertices.push_back(glm::vec3(s_1 - size * 0.5, p, s_2 + size * 0.5)); noise_value = ofNoise(s_1 * 0.003, p * 0.003, s_2 * 0.003, noise_param + ofGetFrameNum() * 0.01); add = 0; if (noise_value > 0.5) { add = ofMap(noise_value, 0.5, 1, 0, size * 5); } for (auto& vertex : vertices) { vertex.y += add; vertex += base_location; } this->add_panel(vertices); vertices.clear(); vertices.push_back(glm::vec3(s_1 - size * 0.5, -p, s_2 - size * 0.5)); vertices.push_back(glm::vec3(s_1 + size * 0.5, -p, s_2 - size * 0.5)); vertices.push_back(glm::vec3(s_1 + size * 0.5, -p, s_2 + size * 0.5)); vertices.push_back(glm::vec3(s_1 - size * 0.5, -p, s_2 + size * 0.5)); noise_value = ofNoise(s_1 * 0.003, p * 0.003, s_2 * 0.003, noise_param + ofGetFrameNum() * 0.01); add = 0; if (noise_value > 0.5) { add = ofMap(noise_value, 0.5, 1, 0, size * 5); } for (auto& vertex : vertices) { vertex.y -= add; vertex += base_location; } this->add_panel(vertices); vertices.clear(); vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 - size * 0.5, p)); vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 - size * 0.5, p)); vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 + size * 0.5, p)); vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 + size * 0.5, p)); noise_value = ofNoise(s_1 * 0.003, s_2 * 0.003, p * 0.003, noise_param + ofGetFrameNum() * 0.01); add = 0; if (noise_value > 0.5) { add = ofMap(noise_value, 0.5, 1, 0, size * 5); } for (auto& vertex : vertices) { vertex.z += add; vertex += base_location; } this->add_panel(vertices); vertices.clear(); vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 - size * 0.5, -p)); vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 - size * 0.5, -p)); vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 + size * 0.5, -p)); vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 + size * 0.5, -p)); noise_value = ofNoise(s_1 * 0.003, s_2 * 0.003, p * 0.003, noise_param + ofGetFrameNum() * 0.01); add = 0; if (noise_value > 0.5) { add = ofMap(noise_value, 0.5, 1, 0, size * 5); } for (auto& vertex : vertices) { vertex.z -= add; vertex += base_location; } this->add_panel(vertices); } } int color_index = 0; for (int k = 0; k < 10; k++) { this->walker.addVertex(this->base_location_list[i] + glm::vec3( ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -100, 100), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -100, 100), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -100, 100) )); this->walker.addColor(base_color_list[color_index]); color_index = (color_index + 1) % base_color_list.size(); } } /* for (int k = 0; k < this->walker.getNumVertices(); k++) { for (int m = k + 1; m < this->walker.getNumVertices(); m++) { if (glm::distance(this->walker.getVertex(k), this->walker.getVertex(m)) < 30) { this->walker.addIndex(k); this->walker.addIndex(m); } } } */ } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(ofGetFrameNum() * 0.37); ofRotateY(ofGetFrameNum() * 0.72); ofSetColor(239); this->face.draw(); ofSetColor(39); this->line.drawWireframe(); for (int i = 0; i < this->walker.getNumVertices(); i++) { ofSetColor(this->walker.getColor(i)); ofDrawSphere(this->walker.getVertex(i), 30); } this->cam.end(); } //-------------------------------------------------------------- void ofApp::add_panel(vector<glm::vec3> vertices) { this->face.addVertices(vertices); this->face.addIndex(this->face.getNumVertices() - 4); this->face.addIndex(this->face.getNumVertices() - 3); this->face.addIndex(this->face.getNumVertices() - 2); this->face.addIndex(this->face.getNumVertices() - 4); this->face.addIndex(this->face.getNumVertices() - 2); this->face.addIndex(this->face.getNumVertices() - 1); this->line.addVertices(vertices); this->line.addIndex(this->line.getNumVertices() - 4); this->line.addIndex(this->line.getNumVertices() - 3); this->line.addIndex(this->line.getNumVertices() - 3); this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 4); } //-------------------------------------------------------------- glm::vec2 ofApp::make_point(int len, int param) { param = param % 100; if (param < 25) { return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5); } else if (param < 50) { return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5)); } else if (param < 75) { return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5); } else { return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5)); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |