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GUCCI JAPANさんのツイートを見て面白いなと思いやってみました、その3です。
カメラの映像をグリッド状に分けて、それぞれ90 * n(0-3)分、回転させています。もうちょっとソース整理したかったんですが、ちょっと時間がないので、定数多めです。(一応、中央の500*500を100ごとで分割しています)
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#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 mouseEntered(int x, int y) {}; void mouseExited(int x, int y) {}; void windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; cv::VideoCapture cap; cv::Size cap_size; cv::Mat frame; ofImage image; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofBackground(0); ofSetWindowTitle("Insta"); this->cap.open(1); this->cap_size = cv::Size(1280, 720); ofSetFrameRate(this->cap.get(CV_CAP_PROP_FPS)); this->image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR); this->frame = cv::Mat(this->image.getHeight(), this->image.getWidth(), CV_MAKETYPE(CV_8UC3, this->image.getPixels().getNumChannels()), this->image.getPixels().getData(), 0); } //-------------------------------------------------------------- void ofApp::update() { cv::Mat cap_frame, src, blend_frame; this->cap >> cap_frame; if (cap_frame.empty()) { return; } cv::resize(cap_frame, src, this->cap_size); cv::flip(src, src, 1); cv::cvtColor(src, src, CV_RGB2BGR); this->frame = this->frame.zeros(this->frame.size(), this->frame.type()); for (int x = 0; x < src.cols; x++) { for (int y = 0; y < src.rows; y++) { ofVec2f point(x, y); if (x > 390 && x < 890 && y > 110 && y < 610) { int group_x = (x - 390) / 100; int group_y = (y - 110) / 100; int value = ofNoise(group_x * 0.05, group_y * 0.05, ofGetFrameNum() * 0.005) * 4; int angle = value * 90; ofVec2f center = ofVec2f(group_x * 100 + 390 + 50, group_y * 100 + 110 + 50); point = point - center; point = point.getRotated(angle); point = point + center; } int tmp_x = (int)point.x; int tmp_y = (int)point.y; if (tmp_x >= 0 && tmp_x < src.cols && tmp_y >= 0 && tmp_y < src.rows) { this->frame.at<cv::Vec3b>(tmp_y, tmp_x) = src.at<cv::Vec3b>(y, x); } } } this->image.update(); } //-------------------------------------------------------------- void ofApp::draw() { this->image.draw(0, 0); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(1280, 720, OF_WINDOW); ofRunApp(new ofApp()); } |