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Two screen, one 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; ofImage image; cv::Mat frame; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetLineWidth(2); ofEnableDepthTest(); this->cap.open("D:\\MP4\\Pexels Videos 1739010.mp4"); this->cap_size = cv::Size(1280, 720); 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); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); cv::Mat src; this->cap >> src; if (src.empty()) { this->cap.set(cv::CAP_PROP_POS_FRAMES, 0); return; } cv::cvtColor(src, src, cv::COLOR_BGR2RGB); cv::resize(src, this->frame, this->cap_size); cv::flip(this->frame, this->frame, 0); this->image.update(); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofTranslate(-640, -360); vector<ofMesh> mesh_list; for (int x = 0; x < 1280; x += 40) { for (int y = 0; y < 720; y += 40) { auto noise_value = ofNoise(x * 0.005, y * 0.001 + ofGetFrameNum() * 0.005); ofMesh mesh_1, mesh_2; mesh_1.addVertex(glm::vec3(x, y, 0)); mesh_1.addVertex(glm::vec3(x + 40, y, 0)); mesh_1.addVertex(glm::vec3(x + 40, y + 40, 0)); mesh_1.addTexCoord(glm::vec3(x, y, 0)); mesh_1.addTexCoord(glm::vec3(x + 40, y, 0)); mesh_1.addTexCoord(glm::vec3(x + 40, y + 40, 0)); mesh_2.addVertex(glm::vec3(x, y + 40, 0)); mesh_2.addVertex(glm::vec3(x + 40, y + 40, 0)); mesh_2.addVertex(glm::vec3(x, y, 0)); mesh_2.addTexCoord(glm::vec3(x, y + 40, 0)); mesh_2.addTexCoord(glm::vec3(x + 40, y + 40, 0)); mesh_2.addTexCoord(glm::vec3(x, y, 0)); mesh_list.push_back(mesh_1); mesh_list.push_back(mesh_2); } } for (auto& mesh : mesh_list) { auto rotate = glm::vec3(ofRandom(360), ofRandom(360), ofRandom(360)); auto speed = glm::vec3(ofRandom(5, 10), ofRandom(5, 10), ofRandom(5, 10)); auto avg = (mesh.getVertex(0) + mesh.getVertex(1) + mesh.getVertex(2)) / 3; mesh.setVertex(0, mesh.getVertex(0) - avg); mesh.setVertex(1, mesh.getVertex(1) - avg); mesh.setVertex(2, mesh.getVertex(2) - avg); auto noise_value = ofNoise(glm::vec4(avg * 0.001, ofGetFrameNum() * 0.005)); if (noise_value < 0.48) { avg += glm::vec3(0, 0, -250); rotate = glm::vec3(); } else if (noise_value < 0.52) { avg += glm::vec3(0, 0, ofMap(noise_value, 0.48, 0.52, -250, 250)); rotate.x += ofGetFrameNum() * speed.x; rotate.y += ofGetFrameNum() * speed.y; rotate.z += ofGetFrameNum() * speed.z; } else { avg += glm::vec3(0, 0, 250); rotate = glm::vec3(); } ofPushMatrix(); ofTranslate(avg); ofRotateZ(rotate.z); ofRotateY(rotate.y); ofRotateX(rotate.x); ofSetColor(255); this->image.bind(); mesh.draw(); this->image.unbind(); if (glm::length(rotate) > 0) { ofSetColor(39); mesh.drawWireframe(); } ofPopMatrix(); } ofNoFill(); ofSetColor(39); ofDrawRectangle(glm::vec3(0, 0, -250), 1280, 720); ofDrawRectangle(glm::vec3(0, 0, 250), 1280, 720); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |