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色付きランダムウォーク集団。
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#pragma once #include "ofMain.h" class Actor { public: Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list); void update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list); glm::vec3 getLocation(); glm::vec3 getLocation(int i); vector<glm::vec3> getLog(); void setColor(ofColor color); ofColor getColor(); private: int select_index; int next_index; glm::vec3 location; vector<glm::vec3> log; ofColor color; }; 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) {}; vector<glm::vec3> parent_location_group; vector<vector<int>> parent_next_index_group; vector<int> parent_destination_group; vector<std::unique_ptr<Actor>> parent_actor_group; vector<vector<glm::vec3>> location_group_list; vector<vector<vector<int>>> next_index_group_list; vector<vector<int>> destination_group_list; vector<vector<std::unique_ptr<Actor>>> actor_group_list; ofEasyCam cam; }; |
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#include "ofApp.h" //-------------------------------------------------------------- Actor::Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) { this->select_index = ofRandom(location_list.size()); while (true) { auto itr = find(destination_list.begin(), destination_list.end(), this->select_index); if (itr == destination_list.end()) { destination_list.push_back(this->select_index); break; } this->select_index = (this->select_index + 1) % location_list.size(); } this->next_index = this->select_index; } //-------------------------------------------------------------- void Actor::update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) { if (ofGetFrameNum() % frame_span == 0) { auto tmp_index = this->select_index; this->select_index = this->next_index; int retry = next_index_list[this->select_index].size(); this->next_index = next_index_list[this->select_index][(int)ofRandom(next_index_list[this->select_index].size())]; while (--retry > 0) { auto destination_itr = find(destination_list.begin(), destination_list.end(), this->next_index); if (destination_itr == destination_list.end()) { if (tmp_index != this->next_index) { destination_list.push_back(this->next_index); break; } } this->next_index = next_index_list[this->select_index][(this->next_index + 1) % next_index_list[this->select_index].size()]; } if (retry <= 0) { destination_list.push_back(this->select_index); this->next_index = this->select_index; } } auto param = ofGetFrameNum() % frame_span; auto distance = location_list[this->next_index] - location_list[this->select_index]; this->location = location_list[this->select_index] + distance / frame_span * param; this->log.push_back(this->location); while (this->log.size() > 50) { this->log.erase(this->log.begin()); } } //-------------------------------------------------------------- glm::vec3 Actor::getLocation() { return this->location; } //-------------------------------------------------------------- glm::vec3 Actor::getLocation(int i) { return i > 0 && i < this->log.size() ? this->log[i] : glm::vec3(); } //-------------------------------------------------------------- vector<glm::vec3> Actor::getLog() { return this->log; } //-------------------------------------------------------------- void Actor::setColor(ofColor value) { this->color = value; } //-------------------------------------------------------------- ofColor Actor::getColor() { return this->color; } //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); ofNoFill(); vector<ofColor> base_color_list; ofColor color; for (int i = 0; i < 6; i++) { color.setHsb(ofMap(i, 0, 6, 0, 255), 255, 255); base_color_list.push_back(color); } int span = 180; for (int x = -span * 1; x <= span * 1; x += span * 2) { for (int y = -span * 1; y <= span * 1; y += span * 2) { this->parent_location_group.push_back(glm::vec3(x, y, 0)); } } for (auto& location : this->parent_location_group) { vector<int> next_index = vector<int>(); int index = -1; for (auto& other : this->parent_location_group) { index++; if (location == other) { continue; } float distance = glm::distance(location, other); if (distance <= span * 2) { next_index.push_back(index); } } this->parent_next_index_group.push_back(next_index); } for (int i = 0; i < this->parent_location_group.size(); i++) { this->parent_actor_group.push_back(make_unique<Actor>(this->parent_location_group, this->parent_next_index_group, this->parent_destination_group)); this->parent_actor_group.back()->setColor(base_color_list[i % base_color_list.size()]); } span = 20; for (int g = 0; g < this->parent_actor_group.size(); g++) { vector<glm::vec3> location_group; for (int x = -span * 6; x <= span * 6; x += span) { for (int y = -span * 6; y <= span * 6; y += span) { location_group.push_back(glm::vec3(x, y, 0)); } } location_group_list.push_back(location_group); vector<vector<int>> next_index_group; for (auto& location : location_group) { vector<int> next_index = vector<int>(); int index = -1; for (auto& other : location_group) { index++; if (location == other) { continue; } float distance = glm::distance(location, other); if (distance <= span) { next_index.push_back(index); } } next_index_group.push_back(next_index); } this->next_index_group_list.push_back(next_index_group); vector<std::unique_ptr<Actor>> actor_group; vector<int> destination_group; ofColor color; for (int i = 0; i < 6; i++) { auto a = make_unique<Actor>(location_group, next_index_group, destination_group); actor_group.push_back(move(a)); actor_group.back()->setColor(base_color_list[i % base_color_list.size()]); } this->actor_group_list.push_back(move(actor_group)); this->destination_group_list.push_back(destination_group); } } //-------------------------------------------------------------- void ofApp::update() { int frame_span = 2; int prev_index_size = 0; if (ofGetFrameNum() % frame_span == 0) { prev_index_size = this->parent_destination_group.size(); } for (auto& actor : this->parent_actor_group) { actor->update(frame_span, this->parent_location_group, this->parent_next_index_group, this->parent_destination_group); } if (prev_index_size != 0) { this->parent_destination_group.erase(this->parent_destination_group.begin(), this->parent_destination_group.begin() + prev_index_size); } for (int g = 0; g < this->parent_actor_group.size(); g++) { if (ofGetFrameNum() % frame_span == 0) { prev_index_size = this->destination_group_list[g].size(); } for (auto& actor : this->actor_group_list[g]) { actor->update(frame_span, this->location_group_list[g], this->next_index_group_list[g], this->destination_group_list[g]); } if (prev_index_size != 0) { this->destination_group_list[g].erase(this->destination_group_list[g].begin(), this->destination_group_list[g].begin() + prev_index_size); } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); for (int g = 0; g < this->parent_actor_group.size(); g++) { ofSetLineWidth(0.5); ofSetColor(255); ofDrawRectangle(this->parent_actor_group[g]->getLocation(), 300, 300); for (auto& actor : this->actor_group_list[g]) { for (int i = 0; i < actor->getLog().size() - 1; i++) { auto loc_1 = actor->getLog()[i] + this->parent_actor_group[g]->getLog()[i]; auto loc_2 = actor->getLog()[i + 1] + this->parent_actor_group[g]->getLog()[i + 1]; ofSetColor(ofColor(actor->getColor(), ofMap(i, 0, actor->getLog().size(), 0, 255))); ofSetLineWidth(ofMap(i, 0, actor->getLog().size(), 0, 2)); ofDrawLine(loc_1, loc_2); } } } this->cam.end(); /* // ffmpeg -i img_%04d.jpg aaa.mp4 int start = 500; if (ofGetFrameNum() > start) { std::ostringstream os; os << std::setw(4) << std::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()); } |
[ Link ]
https://github.com/junkiyoshi/DoodleDeProgramming/tree/951f44db906a062067a35c321d1253913fb830eb