[ Video ]
[ About ]
はげれ落ちる動画。
Video of being peeled off.
[ Source ]
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#pragma once #include "ofMain.h" #include "opencv2/opencv.hpp" #include "ofxBox2d.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) {}; cv::VideoCapture cap; cv::Size cap_size; int number_of_frames; vector<cv::Mat> frame_list; float rect_size; vector<cv::Mat> rect_frame_list; vector<unique_ptr<ofImage>> rect_image_list; vector<cv::Rect> cv_rect_list; ofxBox2d box2d; vector<shared_ptr<ofxBox2dRect>> box2d_rect_list; vector<int> box2d_frame_index_list, box2d_rect_index_list; vector<float> box2d_life_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofEnableDepthTest(); ofDisableArbTex(); 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_image_list.push_back(move(image)); this->cv_rect_list.push_back(rect); this->rect_frame_list.push_back(frame); } } auto file_path = "D:\\MP4\\video2.mp4"; this->cap.open(file_path); this->number_of_frames = this->cap.get(cv::CAP_PROP_FRAME_COUNT); for (int i = 0; i < this->number_of_frames; i++) { cv::Mat src, tmp; this->cap >> src; if (src.empty()) { continue; } cv::resize(src, tmp, this->cap_size); cv::cvtColor(tmp, tmp, cv::COLOR_BGR2RGB); this->frame_list.push_back(tmp); } this->box2d.init(); this->box2d.setGravity(0, 50); this->box2d.createBounds(); this->box2d.setFPS(60); this->box2d.registerGrabbing(); } //-------------------------------------------------------------- void ofApp::update() { for (int i = this->box2d_rect_list.size() - 1; i > -1; i--) { this->box2d_life_list[i] -= 3; if (this->box2d_life_list[i] < 0) { this->box2d_rect_list.erase(this->box2d_rect_list.begin() + i); this->box2d_frame_index_list.erase(this->box2d_frame_index_list.begin() + i); this->box2d_rect_index_list.erase(this->box2d_rect_index_list.begin() + i); this->box2d_life_list.erase(this->box2d_life_list.begin() + i); } } if (ofGetFrameNum() % 1 == 0) { int frame_index = (int)(ofGetFrameNum() * 0.42) % this->number_of_frames; int rect_index = ofRandom(this->cv_rect_list.size()); auto box2d_rect = make_shared<ofxBox2dRect>(); box2d_rect->setPhysics(0.5, 0.83, 0.1); box2d_rect->setup(this->box2d.getWorld(), this->cv_rect_list[rect_index].x + 50, this->cv_rect_list[rect_index].y + 30, this->rect_size, this->rect_size); this->box2d_rect_list.push_back(box2d_rect); this->box2d_frame_index_list.push_back(frame_index); this->box2d_rect_index_list.push_back(rect_index); this->box2d_life_list.push_back(255); } this->box2d.update(); } //-------------------------------------------------------------- void ofApp::draw() { for (int i = 0; i < this->rect_frame_list.size(); i++) { ofPushMatrix(); ofTranslate(this->cv_rect_list[i].x + 50, this->cv_rect_list[i].y + 30, -1); ofRotateX(180); int frame_index = (int)(ofGetFrameNum() * 0.42) % this->number_of_frames; cv::Mat tmp_box_image(this->frame_list[frame_index], this->cv_rect_list[i]); tmp_box_image.copyTo(this->rect_frame_list[i]); this->rect_image_list[i]->update(); this->rect_image_list[i]->getTexture().bind(); ofSetColor(255); ofFill(); ofDrawPlane(glm::vec3(), this->rect_size, this->rect_size); this->rect_image_list[i]->unbind(); ofSetColor(39); ofNoFill(); ofDrawPlane(glm::vec3(), this->rect_size, this->rect_size); ofPopMatrix(); } for (int i = 0; i < this->box2d_rect_list.size(); i++) { ofPushMatrix(); ofTranslate(this->box2d_rect_list[i]->getPosition().x, this->box2d_rect_list[i]->getPosition().y, 1); ofRotateX(180); ofRotate(this->box2d_rect_list[i]->getRotation()); int frame_index = this->box2d_frame_index_list[i]; int rect_index = this->box2d_rect_index_list[i]; cv::Mat tmp_box_image(this->frame_list[frame_index], this->cv_rect_list[rect_index]); tmp_box_image.copyTo(this->rect_frame_list[rect_index]); this->rect_image_list[rect_index]->update(); this->rect_image_list[rect_index]->getTexture().bind(); ofSetColor(255, this->box2d_life_list[i] > 128 ? 255 : ofMap(this->box2d_life_list[i], 128, 0, 255, 0)); ofFill(); ofDrawPlane(glm::vec3(), this->rect_size, this->rect_size); this->rect_image_list[rect_index]->unbind(); ofSetColor(39, this->box2d_life_list[i] > 128 ? 255 : ofMap(this->box2d_life_list[i], 128, 0, 255, 0)); ofNoFill(); ofDrawPlane(glm::vec3(), this->rect_size, this->rect_size); ofPopMatrix(); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |