opencv – ページ 14 – プログラミング de 落描き

2020年9月19日2020年9月19日

Shibuya Crossing. Draw by openFrameworks

[ Video ]

[ About ]
Shibuya Crossing.

[ Source ]

#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;

	vector<ofMesh> mesh_list;
	vector<ofMesh> frame_list;
};

#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;

vector<ofMesh> mesh_list;

vector<ofMesh> frame_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofEnableDepthTest();

	this->cap.open("D:\\MP4\\Pexels Videos 2697636.mp4");
	this->cap_size = cv::Size(1080, 1080);

	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::Mat(src, cv::Rect(this->cap.get(cv::CAP_PROP_FRAME_WIDTH) * 0.5 - this->cap_size.width * 0.5, this->cap.get(cv::CAP_PROP_FRAME_HEIGHT) * 0.5 - this->cap_size.height * 0.5, this->cap_size.width, this->cap_size.height)).copyTo(this->frame);
	this->image.update();

	this->mesh_list.clear();
	this->frame_list.clear();

	float radius = 250;
	int deg_span = 1;
	int y_span = 27;
	for (int y = 0; y < this->cap_size.height; y += y_span) {

		radius -= 3;

		ofMesh mesh, frame;
		frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
		for (int deg = 0; deg < 360; deg += deg_span) {

			int index = mesh.getNumVertices();

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), y_span * -0.5));
			vertices.push_back(glm::vec3(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD), y_span * -0.5));
			vertices.push_back(glm::vec3(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD), y_span * 0.5));
			vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), y_span * 0.5));

			mesh.addVertices(vertices);
			frame.addVertices(vertices);

			int x = ofMap(deg, 0, 360, 0, this->cap_size.width);
			int next_x = ofMap(deg + deg_span, 0, 360, 0, this->cap_size.width);

			mesh.addTexCoord(glm::vec3(x, y, 0));
			mesh.addTexCoord(glm::vec3(next_x, y, 0));
			mesh.addTexCoord(glm::vec3(next_x, y + y_span, 0));
			mesh.addTexCoord(glm::vec3(x, y + y_span, 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);

			frame.addIndex(index + 0); frame.addIndex(index + 1);
			frame.addIndex(index + 2); frame.addIndex(index + 3);
		}

		this->mesh_list.push_back(mesh);
		this->frame_list.push_back(frame);
	}
}

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

	this->cam.begin();
	ofRotateX(90);
	ofRotateZ(245);

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

		ofPushMatrix();

		ofRotateY(ofMap(ofNoise(ofRandom(1000),ofGetFrameNum() * 0.001), 0, 1, -360, 360));
		ofRotateX(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -360, 360));

		this->image.bind();
		ofSetColor(255);
		this->mesh_list[i].draw();
		this->image.unbind();

		ofSetColor(39);
		this->frame_list[i].drawWireframe();

		ofPopMatrix();
	}
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

this->cap.open("D:\\MP4\\Pexels Videos 2697636.mp4");

this->cap_size = cv::Size(1080, 1080);

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::Mat(src, cv::Rect(this->cap.get(cv::CAP_PROP_FRAME_WIDTH) * 0.5 - this->cap_size.width * 0.5, this->cap.get(cv::CAP_PROP_FRAME_HEIGHT) * 0.5 - this->cap_size.height * 0.5, this->cap_size.width, this->cap_size.height)).copyTo(this->frame);

this->image.update();

this->mesh_list.clear();

this->frame_list.clear();

float radius = 250;

int deg_span = 1;

int y_span = 27;

for (int y = 0; y < this->cap_size.height; y += y_span) {

radius -= 3;

ofMesh mesh, frame;

frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

for (int deg = 0; deg < 360; deg += deg_span) {

int index = mesh.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), y_span * -0.5));

vertices.push_back(glm::vec3(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD), y_span * -0.5));

vertices.push_back(glm::vec3(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD), y_span * 0.5));

vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), y_span * 0.5));

mesh.addVertices(vertices);

frame.addVertices(vertices);

int x = ofMap(deg, 0, 360, 0, this->cap_size.width);

int next_x = ofMap(deg + deg_span, 0, 360, 0, this->cap_size.width);

mesh.addTexCoord(glm::vec3(x, y, 0));

mesh.addTexCoord(glm::vec3(next_x, y, 0));

mesh.addTexCoord(glm::vec3(next_x, y + y_span, 0));

mesh.addTexCoord(glm::vec3(x, y + y_span, 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);

frame.addIndex(index + 0); frame.addIndex(index + 1);

frame.addIndex(index + 2); frame.addIndex(index + 3);

}

this->mesh_list.push_back(mesh);

this->frame_list.push_back(frame);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(90);

ofRotateZ(245);

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

ofPushMatrix();

ofRotateY(ofMap(ofNoise(ofRandom(1000),ofGetFrameNum() * 0.001), 0, 1, -360, 360));

ofRotateX(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -360, 360));

this->image.bind();

ofSetColor(255);

this->mesh_list[i].draw();

this->image.unbind();

ofSetColor(39);

this->frame_list[i].drawWireframe();

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200919

2020年8月24日2020年8月24日

My post & Split & Rotate. Draw by openFrameworks

[ Video ]

[ About ]
マイポスト＆スプリット＆ローテート

My post & Split & Rotate.

[ Source ]

#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;

	ofMesh mesh;
};

#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;

ofMesh mesh;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetColor(255);
	ofEnableDepthTest();

	this->cap.open("D:\\MP4\\openframeworks 2020-07-16 18-28-52.mp4");
	this->cap_size = cv::Size(720, 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);

	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() {

	ofSeedRandom(39);

	int n = ofGetFrameNum() % this->number_of_frames;
	this->frame_list[n].copyTo(this->frame);
	this->image.update();

	this->mesh.clear();

	int x_span = 144;
	int y_span = 72;

	vector<glm::vec3> base_location_list = { glm::vec3(-500, -500, 0), glm::vec3(-500, 500, 0), glm::vec3(500, -500, 0), glm::vec3(500, 500, 0) };

	for (auto& base_location : base_location_list) {
		auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

		for (int i = 0; i < 5; i++) {

			int start_index = this->mesh.getNumVertices();

			// 上
			int x = this->cap_size.width * -0.5 + i * x_span * 0.5;
			int y = this->cap_size.height * -0.5 + i * y_span;
			int index = start_index;

			this->mesh.addVertex(glm::vec3(x, y, 0));
			this->mesh.addVertex(glm::vec3(x * -1, y, 0));
			this->mesh.addVertex(glm::vec3(x * -1, y + y_span, 0));
			this->mesh.addVertex(glm::vec3(x, y + y_span, 0));

			this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, i * y_span, 0));
			this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, i * y_span, 0));
			this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, i * y_span + y_span, 0));
			this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, i * y_span + y_span, 0));

			this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 1); this->mesh.addIndex(index + 2);
			this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 2); this->mesh.addIndex(index + 3);

			// 左
			index = this->mesh.getNumVertices();

			this->mesh.addVertex(glm::vec3(x, y + y_span, 0));
			this->mesh.addVertex(glm::vec3(x + x_span * 0.5, y + y_span, 0));
			this->mesh.addVertex(glm::vec3(x + x_span * 0.5, y * -1 - y_span, 0));
			this->mesh.addVertex(glm::vec3(x, y * -1 - y_span, 0));

			this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, i * y_span + y_span, 0));
			this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5 + x_span * 0.5, i * y_span + y_span, 0));
			this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5 + x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));
			this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));

			this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 1); this->mesh.addIndex(index + 2);
			this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 2); this->mesh.addIndex(index + 3);

			// 下

			y = this->cap_size.height * 0.5 - i * y_span - y_span;
			index = this->mesh.getNumVertices();

			this->mesh.addVertex(glm::vec3(x, y, 0));
			this->mesh.addVertex(glm::vec3(x * -1, y, 0));
			this->mesh.addVertex(glm::vec3(x * -1, y + y_span, 0));
			this->mesh.addVertex(glm::vec3(x, y + y_span, 0));

			this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));
			this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));
			this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, this->cap_size.height - i * y_span, 0));
			this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, this->cap_size.height - i * y_span, 0));

			this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 1); this->mesh.addIndex(index + 2);
			this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 2); this->mesh.addIndex(index + 3);

			// 右

			x = this->cap_size.width * 0.5 - i * x_span * 0.5 - x_span * 0.5;
			y = this->cap_size.height * -0.5 + i * y_span;
			index = this->mesh.getNumVertices();

			this->mesh.addVertex(glm::vec3(x, y + y_span, 0));
			this->mesh.addVertex(glm::vec3(x + x_span * 0.5, y + y_span, 0));
			this->mesh.addVertex(glm::vec3(x + x_span * 0.5, y * -1 - y_span, 0));
			this->mesh.addVertex(glm::vec3(x, y * -1 - y_span, 0));

			this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5 - x_span * 0.5, i * y_span + y_span, 0));
			this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, i * y_span + y_span, 0));
			this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));
			this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5 - x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));

			this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 1); this->mesh.addIndex(index + 2);
			this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 2); this->mesh.addIndex(index + 3);

			for (int k = start_index; k < this->mesh.getNumVertices(); k++) {

				auto angle_x = ofMap(ofNoise(noise_seed.x, i * 0.085 + ofGetFrameNum() * 0.005), 0, 1, -PI, PI);
				auto angle_y = ofMap(ofNoise(noise_seed.y, i * 0.085 + ofGetFrameNum() * 0.005), 0, 1, -PI, PI);
				auto angle_z = ofMap(ofNoise(noise_seed.z, i * 0.085 + ofGetFrameNum() * 0.005), 0, 1, -PI, PI);

				auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));
				auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));
				auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

				glm::vec3 vertex = glm::vec4(this->mesh.getVertex(k), 0) * rotation_y * rotation_x;
				vertex += base_location;

				this->mesh.setVertex(k, vertex);
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateX(180);

	ofSetColor(255);
	this->image.bind();
	this->mesh.draw();
	this->image.unbind();

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetColor(255);

ofEnableDepthTest();

this->cap.open("D:\\MP4\\openframeworks 2020-07-16 18-28-52.mp4");

this->cap_size = cv::Size(720, 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);

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() {

ofSeedRandom(39);

int n = ofGetFrameNum() % this->number_of_frames;

this->frame_list[n].copyTo(this->frame);

this->image.update();

this->mesh.clear();

int x_span = 144;

int y_span = 72;

vector<glm::vec3> base_location_list = { glm::vec3(-500, -500, 0), glm::vec3(-500, 500, 0), glm::vec3(500, -500, 0), glm::vec3(500, 500, 0) };

for (auto& base_location : base_location_list) {

auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

for (int i = 0; i < 5; i++) {

int start_index = this->mesh.getNumVertices();

// 上

int x = this->cap_size.width * -0.5 + i * x_span * 0.5;

int y = this->cap_size.height * -0.5 + i * y_span;

int index = start_index;

this->mesh.addVertex(glm::vec3(x, y, 0));

this->mesh.addVertex(glm::vec3(x * -1, y, 0));

this->mesh.addVertex(glm::vec3(x * -1, y + y_span, 0));

this->mesh.addVertex(glm::vec3(x, y + y_span, 0));

this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, i * y_span, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, i * y_span, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, i * y_span + y_span, 0));

this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, i * y_span + y_span, 0));

this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 1); this->mesh.addIndex(index + 2);

this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 2); this->mesh.addIndex(index + 3);

// 左

index = this->mesh.getNumVertices();

this->mesh.addVertex(glm::vec3(x, y + y_span, 0));

this->mesh.addVertex(glm::vec3(x + x_span * 0.5, y + y_span, 0));

this->mesh.addVertex(glm::vec3(x + x_span * 0.5, y * -1 - y_span, 0));

this->mesh.addVertex(glm::vec3(x, y * -1 - y_span, 0));

this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, i * y_span + y_span, 0));

this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5 + x_span * 0.5, i * y_span + y_span, 0));

this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5 + x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));

this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));

this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 1); this->mesh.addIndex(index + 2);

this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 2); this->mesh.addIndex(index + 3);

// 下

y = this->cap_size.height * 0.5 - i * y_span - y_span;

index = this->mesh.getNumVertices();

this->mesh.addVertex(glm::vec3(x, y, 0));

this->mesh.addVertex(glm::vec3(x * -1, y, 0));

this->mesh.addVertex(glm::vec3(x * -1, y + y_span, 0));

this->mesh.addVertex(glm::vec3(x, y + y_span, 0));

this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, this->cap_size.height - i * y_span, 0));

this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, this->cap_size.height - i * y_span, 0));

this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 1); this->mesh.addIndex(index + 2);

this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 2); this->mesh.addIndex(index + 3);

// 右

x = this->cap_size.width * 0.5 - i * x_span * 0.5 - x_span * 0.5;

y = this->cap_size.height * -0.5 + i * y_span;

index = this->mesh.getNumVertices();

this->mesh.addVertex(glm::vec3(x, y + y_span, 0));

this->mesh.addVertex(glm::vec3(x + x_span * 0.5, y + y_span, 0));

this->mesh.addVertex(glm::vec3(x + x_span * 0.5, y * -1 - y_span, 0));

this->mesh.addVertex(glm::vec3(x, y * -1 - y_span, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5 - x_span * 0.5, i * y_span + y_span, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, i * y_span + y_span, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5 - x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));

this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 1); this->mesh.addIndex(index + 2);

this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 2); this->mesh.addIndex(index + 3);

for (int k = start_index; k < this->mesh.getNumVertices(); k++) {

auto angle_x = ofMap(ofNoise(noise_seed.x, i * 0.085 + ofGetFrameNum() * 0.005), 0, 1, -PI, PI);

auto angle_y = ofMap(ofNoise(noise_seed.y, i * 0.085 + ofGetFrameNum() * 0.005), 0, 1, -PI, PI);

auto angle_z = ofMap(ofNoise(noise_seed.z, i * 0.085 + ofGetFrameNum() * 0.005), 0, 1, -PI, PI);

auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

glm::vec3 vertex = glm::vec4(this->mesh.getVertex(k), 0) * rotation_y * rotation_x;

vertex += base_location;

this->mesh.setVertex(k, vertex);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofSetColor(255);

this->image.bind();

this->mesh.draw();

this->image.unbind();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200824

2020年8月23日2020年8月23日

Split & Rotate. Draw by openFrameworks

[ Video ]

[ About ]
スプリット＆ローテート。

Split & Rotate.

[ Source ]

#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;

	ofMesh mesh;
};

#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;

ofMesh mesh;

};

#include "ofApp.h"

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

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

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

	this->cap.open("D:\\MP4\\Pexels Videos 2795749.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);

	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() {

	ofSeedRandom(39);

	int n = (int)(ofGetFrameNum() * 0.54) % this->number_of_frames;
	this->frame_list[n].copyTo(this->frame);
	this->image.update();

	this->mesh.clear();

	int x_span = 64;
	int y_span = 36;
	auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

	for (int i = 0; i < 10; i++) {

		int start_index = this->mesh.getNumVertices();

		// 上
		int x = this->cap_size.width * -0.5 + i * x_span * 0.5;
		int y = this->cap_size.height * -0.5 + i * y_span;
		int index = start_index;

		this->mesh.addVertex(glm::vec3(x, y, 0));
		this->mesh.addVertex(glm::vec3(x * -1, y, 0));
		this->mesh.addVertex(glm::vec3(x * -1, y + y_span, 0));
		this->mesh.addVertex(glm::vec3(x, y + y_span, 0));

		this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, i * y_span, 0));
		this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, i * y_span, 0));
		this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, i * y_span + y_span, 0));
		this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, i * y_span + y_span, 0));

		this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 1); this->mesh.addIndex(index + 2);
		this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 2); this->mesh.addIndex(index + 3);

		// 左
		index = this->mesh.getNumVertices();

		this->mesh.addVertex(glm::vec3(x, y + y_span, 0));
		this->mesh.addVertex(glm::vec3(x + x_span * 0.5, y + y_span, 0));
		this->mesh.addVertex(glm::vec3(x + x_span * 0.5, y * -1 - y_span, 0));
		this->mesh.addVertex(glm::vec3(x, y * -1 - y_span, 0));

		this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, i * y_span + y_span, 0));
		this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5 + x_span * 0.5, i * y_span + y_span, 0));
		this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5 + x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));
		this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));

		this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 1); this->mesh.addIndex(index + 2);
		this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 2); this->mesh.addIndex(index + 3);

		// 下

		y = this->cap_size.height * 0.5 - i * y_span - y_span;
		index = this->mesh.getNumVertices();

		this->mesh.addVertex(glm::vec3(x, y, 0));
		this->mesh.addVertex(glm::vec3(x * -1, y, 0));
		this->mesh.addVertex(glm::vec3(x * -1, y + y_span, 0));
		this->mesh.addVertex(glm::vec3(x, y + y_span, 0));

		this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));
		this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));
		this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, this->cap_size.height - i * y_span, 0));
		this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, this->cap_size.height - i * y_span, 0));

		this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 1); this->mesh.addIndex(index + 2);
		this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 2); this->mesh.addIndex(index + 3);

		// 右

		x = this->cap_size.width * 0.5 - i * x_span * 0.5 - x_span * 0.5;
		y = this->cap_size.height * -0.5 + i * y_span;
		index = this->mesh.getNumVertices();

		this->mesh.addVertex(glm::vec3(x, y + y_span, 0));
		this->mesh.addVertex(glm::vec3(x + x_span * 0.5, y + y_span, 0));
		this->mesh.addVertex(glm::vec3(x + x_span * 0.5, y * -1 - y_span, 0));
		this->mesh.addVertex(glm::vec3(x, y * -1 - y_span, 0));

		this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5 - x_span * 0.5, i * y_span + y_span, 0));
		this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, i * y_span + y_span, 0));
		this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));
		this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5 - x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));

		this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 1); this->mesh.addIndex(index + 2);
		this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 2); this->mesh.addIndex(index + 3);

		for (int k = start_index; k < this->mesh.getNumVertices(); k++) {

			auto angle_x = ofMap(ofNoise(noise_seed.x, i * 0.085 + ofGetFrameNum() * 0.015), 0, 1, -PI * 0.3, PI * 0.3);
			auto angle_y = ofMap(ofNoise(noise_seed.y, i * 0.085 + ofGetFrameNum() * 0.015), 0, 1, -PI * 0.3, PI * 0.3);
			auto angle_z = ofMap(ofNoise(noise_seed.z, i * 0.085 + ofGetFrameNum() * 0.015), 0, 1, -PI * 0.3, PI * 0.3);

			auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));
			auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));
			auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

			glm::vec3 vertex = glm::vec4(this->mesh.getVertex(k), 0) * rotation_y * rotation_x;
			this->mesh.setVertex(k, vertex);
		}
	}
}

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

	this->cam.begin();
	ofRotateX(180);
	
	ofSetColor(255);
	this->image.bind();
	this->mesh.draw();
	this->image.unbind();

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(255);

ofEnableDepthTest();

this->cap.open("D:\\MP4\\Pexels Videos 2795749.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);

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() {

ofSeedRandom(39);

int n = (int)(ofGetFrameNum() * 0.54) % this->number_of_frames;

this->frame_list[n].copyTo(this->frame);

this->image.update();

this->mesh.clear();

int x_span = 64;

int y_span = 36;

auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

for (int i = 0; i < 10; i++) {

int start_index = this->mesh.getNumVertices();

// 上

int x = this->cap_size.width * -0.5 + i * x_span * 0.5;

int y = this->cap_size.height * -0.5 + i * y_span;

int index = start_index;

this->mesh.addVertex(glm::vec3(x, y, 0));

this->mesh.addVertex(glm::vec3(x * -1, y, 0));

this->mesh.addVertex(glm::vec3(x * -1, y + y_span, 0));

this->mesh.addVertex(glm::vec3(x, y + y_span, 0));

this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, i * y_span, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, i * y_span, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, i * y_span + y_span, 0));

this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, i * y_span + y_span, 0));

this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 1); this->mesh.addIndex(index + 2);

this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 2); this->mesh.addIndex(index + 3);

// 左

index = this->mesh.getNumVertices();

this->mesh.addVertex(glm::vec3(x, y + y_span, 0));

this->mesh.addVertex(glm::vec3(x + x_span * 0.5, y + y_span, 0));

this->mesh.addVertex(glm::vec3(x + x_span * 0.5, y * -1 - y_span, 0));

this->mesh.addVertex(glm::vec3(x, y * -1 - y_span, 0));

this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, i * y_span + y_span, 0));

this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5 + x_span * 0.5, i * y_span + y_span, 0));

this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5 + x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));

this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));

this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 1); this->mesh.addIndex(index + 2);

this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 2); this->mesh.addIndex(index + 3);

// 下

y = this->cap_size.height * 0.5 - i * y_span - y_span;

index = this->mesh.getNumVertices();

this->mesh.addVertex(glm::vec3(x, y, 0));

this->mesh.addVertex(glm::vec3(x * -1, y, 0));

this->mesh.addVertex(glm::vec3(x * -1, y + y_span, 0));

this->mesh.addVertex(glm::vec3(x, y + y_span, 0));

this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, this->cap_size.height - i * y_span, 0));

this->mesh.addTexCoord(glm::vec3(i * x_span * 0.5, this->cap_size.height - i * y_span, 0));

this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 1); this->mesh.addIndex(index + 2);

this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 2); this->mesh.addIndex(index + 3);

// 右

x = this->cap_size.width * 0.5 - i * x_span * 0.5 - x_span * 0.5;

y = this->cap_size.height * -0.5 + i * y_span;

index = this->mesh.getNumVertices();

this->mesh.addVertex(glm::vec3(x, y + y_span, 0));

this->mesh.addVertex(glm::vec3(x + x_span * 0.5, y + y_span, 0));

this->mesh.addVertex(glm::vec3(x + x_span * 0.5, y * -1 - y_span, 0));

this->mesh.addVertex(glm::vec3(x, y * -1 - y_span, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5 - x_span * 0.5, i * y_span + y_span, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, i * y_span + y_span, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width - i * x_span * 0.5 - x_span * 0.5, this->cap_size.height - i * y_span - y_span, 0));

this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 1); this->mesh.addIndex(index + 2);

this->mesh.addIndex(index + 0); this->mesh.addIndex(index + 2); this->mesh.addIndex(index + 3);

for (int k = start_index; k < this->mesh.getNumVertices(); k++) {

auto angle_x = ofMap(ofNoise(noise_seed.x, i * 0.085 + ofGetFrameNum() * 0.015), 0, 1, -PI * 0.3, PI * 0.3);

auto angle_y = ofMap(ofNoise(noise_seed.y, i * 0.085 + ofGetFrameNum() * 0.015), 0, 1, -PI * 0.3, PI * 0.3);

auto angle_z = ofMap(ofNoise(noise_seed.z, i * 0.085 + ofGetFrameNum() * 0.015), 0, 1, -PI * 0.3, PI * 0.3);

auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

glm::vec3 vertex = glm::vec4(this->mesh.getVertex(k), 0) * rotation_y * rotation_x;

this->mesh.setVertex(k, vertex);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofSetColor(255);

this->image.bind();

this->mesh.draw();

this->image.unbind();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200823

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