[ Video ]
[ About ]
スプリット＆スライド。
Split & slide.
[ Source ]
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#pragma once #include "ofMain.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; cv::VideoCapture cap; cv::Size cap_size; int number_of_frames; vector<cv::Mat> frame_list; ofImage image; cv::Mat frame; vector<ofMesh> mesh_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetColor(255); ofEnableDepthTest(); this->cap.open("D:\\MP4\\video01.mp4"); this->cap_size = cv::Size(480, 270); this->image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR); this->frame = cv::Mat(cv::Size(this->image.getWidth(), this->image.getHeight()), CV_MAKETYPE(CV_8UC3, this->image.getPixels().getNumChannels()), this->image.getPixels().getData(), 0); 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); } } //-------------------------------------------------------------- void ofApp::update() { int n = (int)(ofGetFrameNum() * 0.54) % this->number_of_frames; this->frame_list[n].copyTo(this->frame); this->image.update(); this->mesh_list.clear(); int x_span = 10; for (int x = this->cap_size.width * -0.5; x < this->cap_size.width * 0.5; x += x_span) { ofMesh mesh; int index = mesh.getNumVertices(); mesh.addVertex(glm::vec3(x, this->cap_size.height * -0.5, 0)); mesh.addVertex(glm::vec3(x + x_span, this->cap_size.height * -0.5, 0)); mesh.addVertex(glm::vec3(x + x_span, this->cap_size.height * 0.5, 0)); mesh.addVertex(glm::vec3(x, this->cap_size.height * 0.5, 0)); mesh.addTexCoord(glm::vec3(x + this->cap_size.width * 0.5, 0, 0)); mesh.addTexCoord(glm::vec3(x + x_span + this->cap_size.width * 0.5, 0, 0)); mesh.addTexCoord(glm::vec3(x + x_span + this->cap_size.width * 0.5, this->cap_size.height, 0)); mesh.addTexCoord(glm::vec3(x + this->cap_size.width * 0.5, this->cap_size.height, 0)); mesh.addIndex(index + 0); mesh.addIndex(index + 1); mesh.addIndex(index + 2); mesh.addIndex(index + 0); mesh.addIndex(index + 2); mesh.addIndex(index + 3); this->mesh_list.push_back(mesh); } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(180); for (auto& mesh : this->mesh_list) { int noise_y = ofMap(ofNoise(mesh.getVertex(0).x * 0.01, ofGetFrameNum() * 0.005), 0, 1, this->cap_size.height * -0.5, this->cap_size.height * 0.5); int param = ofGetFrameNum() % 90; noise_y *= param < 45 ? ofMap(param, 0, 45, 1, 0) : ofMap(param, 45, 90, 0, 1); for (int i = -1; i <= 1; i++) { ofPushMatrix(); ofTranslate(0, noise_y + this->cap_size.height * i); this->image.bind(); mesh.draw(); this->image.unbind(); ofPopMatrix(); } } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |