Convert frame number to z coordination. Draw by openFrameworks

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我が家の世界一可愛い猫。

The world’s cutest cat in our house.

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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;
	deque<cv::Mat> frame_list;
	int frame_list_count;

	float rect_size;
	vector<cv::Mat> rect_frames;
	vector<unique_ptr<ofImage>> rect_images;
	vector<cv::Rect> cv_rects;
};

#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;

deque<cv::Mat> frame_list;

int frame_list_count;

float rect_size;

vector<cv::Mat> rect_frames;

vector<unique_ptr<ofImage>> rect_images;

vector<cv::Rect> cv_rects;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetColor(255);
	ofEnableDepthTest();
	ofDisableArbTex();

	this->cap.open("D:\\MP4\\MOV_0031.mp4"); // Kinako URL https://www.youtube.com/channel/UCUwl7IYYfueE3ruHedfG7MA
	this->cap_size = cv::Size(360, 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->cv_rects.push_back(rect);
			this->rect_frames.push_back(frame);
		}
	}

	while (true) {

		cv::Mat frame, resize, cut;
		this->cap >> frame;
		if (frame.empty()) {

			break;
		}

		cv::cvtColor(frame, frame, cv::COLOR_BGR2RGB);
		cv::resize(frame, resize, cv::Size(640, 360));
		cut = cv::Mat(resize, cv::Rect(140, 0, 360, 360));

		this->frame_list.push_front(cut);
	}
}

//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);
}

//--------------------------------------------------------------
void ofApp::draw() {

	this->cam.begin();
	ofRotateY(sin(ofGetFrameNum() * 0.01) * 30);
	ofRotateX(sin(ofGetFrameNum() * 0.02) * 15);

	ofTranslate(this->cap_size.width * -0.5 + this->rect_size * 0.5, this->cap_size.height * -0.5 - this->rect_size * 0.5, 0);

	float noise_seed = ofRandom(1000);
	for (int i = 0; i < this->rect_frames.size(); i++) {

		int frame_index = ofMap(ofNoise(noise_seed, this->cv_rects[i].x * 0.005, this->cv_rects[i].y * 0.005, ofGetFrameNum() * 0.01), 0, 1, 0, this->frame_list.size());

		cv::Mat tmp_box_image(this->frame_list[frame_index], this->cv_rects[i]);
		tmp_box_image.copyTo(this->rect_frames[i]);

		auto z = ofMap(frame_index, 0, this->frame_list.size(), -125, 125);

		this->rect_images[i]->update();
		this->rect_images[i]->getTexture().bind();
		ofSetColor(255);
		ofFill();
		ofDrawBox(glm::vec3(this->cv_rects[i].x, this->cap_size.height - this->cv_rects[i].y, z), this->rect_size, this->rect_size, 5);
		this->rect_images[i]->unbind();

		ofSetColor(39);
		ofNoFill();
		ofDrawBox(glm::vec3(this->cv_rects[i].x, this->cap_size.height - this->cv_rects[i].y, z), this->rect_size, this->rect_size, 5);
		ofSetColor(139);
		ofDrawBox(glm::vec3(this->cv_rects[i].x, this->cap_size.height - this->cv_rects[i].y, 0), this->rect_size, this->rect_size, 200);
	}

	this->cam.end();
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(255);

ofEnableDepthTest();

ofDisableArbTex();

this->cap.open("D:\\MP4\\MOV_0031.mp4"); // Kinako URL https://www.youtube.com/channel/UCUwl7IYYfueE3ruHedfG7MA

this->cap_size = cv::Size(360, 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->cv_rects.push_back(rect);

this->rect_frames.push_back(frame);

}

while (true) {

cv::Mat frame, resize, cut;

this->cap >> frame;

if (frame.empty()) {

break;

}

cv::cvtColor(frame, frame, cv::COLOR_BGR2RGB);

cv::resize(frame, resize, cv::Size(640, 360));

cut = cv::Mat(resize, cv::Rect(140, 0, 360, 360));

this->frame_list.push_front(cut);

}

//--------------------------------------------------------------

void ofApp::update() {

ofSeedRandom(39);

}

//--------------------------------------------------------------

void ofApp::draw() {

this->cam.begin();

ofRotateY(sin(ofGetFrameNum() * 0.01) * 30);

ofRotateX(sin(ofGetFrameNum() * 0.02) * 15);

ofTranslate(this->cap_size.width * -0.5 + this->rect_size * 0.5, this->cap_size.height * -0.5 - this->rect_size * 0.5, 0);

float noise_seed = ofRandom(1000);

for (int i = 0; i < this->rect_frames.size(); i++) {

int frame_index = ofMap(ofNoise(noise_seed, this->cv_rects[i].x * 0.005, this->cv_rects[i].y * 0.005, ofGetFrameNum() * 0.01), 0, 1, 0, this->frame_list.size());

cv::Mat tmp_box_image(this->frame_list[frame_index], this->cv_rects[i]);

tmp_box_image.copyTo(this->rect_frames[i]);

auto z = ofMap(frame_index, 0, this->frame_list.size(), -125, 125);

this->rect_images[i]->update();

this->rect_images[i]->getTexture().bind();

ofSetColor(255);

ofFill();

ofDrawBox(glm::vec3(this->cv_rects[i].x, this->cap_size.height - this->cv_rects[i].y, z), this->rect_size, this->rect_size, 5);

this->rect_images[i]->unbind();

ofSetColor(39);

ofNoFill();

ofDrawBox(glm::vec3(this->cv_rects[i].x, this->cap_size.height - this->cv_rects[i].y, z), this->rect_size, this->rect_size, 5);

ofSetColor(139);

ofDrawBox(glm::vec3(this->cv_rects[i].x, this->cap_size.height - this->cv_rects[i].y, 0), this->rect_size, this->rect_size, 200);

}

this->cam.end();

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210819

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