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動画を分割してランダムウォーク。
Video split and random walk.
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#pragma once #include "ofMain.h" #include "Actor.h" #include "opencv2/opencv.hpp" 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) {}; ofEasyCam cam; ofBoxPrimitive box; cv::VideoCapture cap; cv::Size cap_size; cv::Mat frame; float rect_size; vector<cv::Mat> rect_frames; vector<unique_ptr<ofImage>> rect_images; vector<cv::Rect> cv_rects; vector<glm::vec3> location_list; vector<vector<int>> next_index_list; vector<int> destination_list; vector<unique_ptr<Actor>> actor_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofEnableDepthTest(); ofDisableArbTex(); this->cap.open("D:\\video\\image58.mp4"); this->cap_size = cv::Size(640, 360); this->rect_size = 40; for (int x = 0; x < this->cap_size.width; x += this->rect_size) { for (int y = 0; y < this->cap_size.height; y += this->rect_size) { auto image = make_unique<ofImage>(); image->allocate(this->rect_size, this->rect_size, OF_IMAGE_COLOR); cv::Mat frame = cv::Mat(cv::Size(image->getWidth(), image->getHeight()), CV_MAKETYPE(CV_8UC3, image->getPixels().getNumChannels()), image->getPixels().getData(), 0); cv::Rect rect = cv::Rect(x, y, this->rect_size, this->rect_size); this->rect_images.push_back(move(image)); this->rect_frames.push_back(frame); this->cv_rects.push_back(rect); } } this->box.set(this->rect_size - 1); for (int x = -140; x <= 140; x += this->rect_size) { for (int y = -140; y <= 140; y += this->rect_size) { for (int z = -140; z <= 140; z += this->rect_size) { this->location_list.push_back(glm::vec3(x, y, z)); } } } for (auto& location : this->location_list) { vector<int> next_index = vector<int>(); int index = -1; for (auto& other : this->location_list) { index++; if (location == other) { continue; } float distance = glm::distance(location, other); if (distance <= this->rect_size) { next_index.push_back(index); } } this->next_index_list.push_back(next_index); } for (int i = 0; i < this->rect_frames.size(); i++) { this->actor_list.push_back(make_unique<Actor>(this->location_list, this->next_index_list, this->destination_list)); } } //-------------------------------------------------------------- void ofApp::update() { cv::Mat src; this->cap >> src; if (src.empty()) { this->cap.set(cv::CAP_PROP_POS_FRAMES, 1); return; } cv::resize(src, this->frame, this->cap_size); cv::cvtColor(this->frame, this->frame, cv::COLOR_BGR2RGB); for (int i = 0; i < this->rect_images.size(); i++) { cv::Mat tmp_box_image(this->frame, this->cv_rects[i]); tmp_box_image.copyTo(this->rect_frames[i]); this->rect_images[i]->update(); } int frame_span = 15; int prev_index_size = 0; if (ofGetFrameNum() % frame_span == 0) { prev_index_size = this->destination_list.size(); } for (auto& actor : this->actor_list) { actor->update(frame_span, this->location_list, this->next_index_list, this->destination_list); } if (prev_index_size != 0) { this->destination_list.erase(this->destination_list.begin(), this->destination_list.begin() + prev_index_size); } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); for (int i = 0; i < this->rect_images.size(); i++) { ofSetColor(255); ofFill(); this->rect_images[i]->getTexture().bind(); ofDrawBox(this->actor_list[i]->getLocation(), this->rect_size); this->rect_images[i]->getTexture().unbind(); ofSetColor(239); ofNoFill(); ofDrawBox(this->actor_list[i]->getLocation(), this->rect_size); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |
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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(int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list); glm::vec3 getLocation(); private: int select_index; int next_index; glm::vec3 location; }; |
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#include "Actor.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(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; } //-------------------------------------------------------------- glm::vec3 Actor::getLocation() { return this->location; } |
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