junkiyoshi – ページ 506 – プログラミング de 落描き

2021年7月3日2021年7月3日

Change number. Draw by openFrameworks

[ Video ]

[ About ]
Noise関数で0から9までの数字を変化。
ofTrueTypeFont.getStringAsPoints()で文字座標を取得する。

Change the numbers from 0 to 9 with the Noise function.
Get the character coordinates with ofTrueTypeFont.getStringAsPoints().

[ Source ]

#pragma once
#include "ofMain.h"

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;
	ofTrueTypeFont font;
};

#pragma once

#include "ofMain.h"

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;

ofTrueTypeFont font;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetLineWidth(0.5);
	ofEnableDepthTest();

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 50, true, true, true);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(180);
	ofTranslate(-25, 25);

	vector<string> word_list = {
		"0",
		"1", "2", "3",
		"4", "5", "6",
		"7", "8", "9",
	};

	auto noise_seed = ofRandom(1000);
	for(int z = -300; z <= 300; z += 11) {

		int word_index = (int)ofMap(ofNoise(noise_seed, z * 0.0005 + ofGetFrameNum() * 0.01), 0, 1, 0, word_list.size() * 2) % word_list.size();
		auto word = word_list[word_index];

		int sample_count = 200;
		vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false);
		for (int word_index = 0; word_index < word_path.size(); word_index++) {

			vector<ofPolyline> outline = word_path[word_index].getOutline();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				outline[outline_index] = outline[outline_index].getResampledByCount(sample_count);
				vector<glm::vec3> vertices = outline[outline_index].getVertices();
				vector<glm::vec3> mesh_vertices;
				vector<glm::vec3> base_location_list;
				vector<glm::highp_mat4x4> rotate_vertices;

				for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

					auto base_location = glm::vec3(0, 0, z);
					base_location += glm::vec3(this->font.stringWidth(word_list[word_index]) * 0.5, this->font.stringHeight(word_list[word_index]) * 0.5, 0);

					auto location = vertices[vertices_index] - glm::vec2(this->font.stringWidth(word_list[word_index]) * 0.5, this->font.stringHeight(word_list[word_index]) * 0.5);

					mesh_vertices.push_back(location);
					base_location_list.push_back(base_location);
				}

				ofMesh face, line;
				line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
				for (int k = 0; k < mesh_vertices.size(); k++) {

					face.addVertex(base_location_list[k] + glm::vec3(mesh_vertices[k] - glm::vec3(0, 0, 5)));
					face.addVertex(base_location_list[k] + glm::vec3(mesh_vertices[k] + glm::vec3(0, 0, 5)));

					line.addVertex(base_location_list[k] + glm::vec3(mesh_vertices[k] - glm::vec3(0, 0, 5)));
					line.addVertex(base_location_list[k] + glm::vec3(mesh_vertices[k] + glm::vec3(0, 0, 5)));

					if (k > 0) {

						face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 4);
						face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 4);

						line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 3);
						line.addIndex(line.getNumVertices() - 2); line.addIndex(line.getNumVertices() - 4);
					}
				}

				face.addIndex(face.getNumVertices() - 1); face.addIndex(0); face.addIndex(1);
				face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(2);

				line.addIndex(line.getNumVertices() - 1); line.addIndex(1);
				line.addIndex(line.getNumVertices() - 2); line.addIndex(0);

				ofSetColor(0);
				face.draw();

				ofColor color;
				color.setHsb(150, 255, 255);
				ofSetColor(color);
				line.drawWireframe();
			}
		}
	}

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(0.5);

ofEnableDepthTest();

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 50, true, true, true);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofTranslate(-25, 25);

vector<string> word_list = {

"0",

"1", "2", "3",

"4", "5", "6",

"7", "8", "9",

};

auto noise_seed = ofRandom(1000);

for(int z = -300; z <= 300; z += 11) {

int word_index = (int)ofMap(ofNoise(noise_seed, z * 0.0005 + ofGetFrameNum() * 0.01), 0, 1, 0, word_list.size() * 2) % word_list.size();

auto word = word_list[word_index];

int sample_count = 200;

vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false);

for (int word_index = 0; word_index < word_path.size(); word_index++) {

vector<ofPolyline> outline = word_path[word_index].getOutline();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

outline[outline_index] = outline[outline_index].getResampledByCount(sample_count);

vector<glm::vec3> vertices = outline[outline_index].getVertices();

vector<glm::vec3> mesh_vertices;

vector<glm::vec3> base_location_list;

vector<glm::highp_mat4x4> rotate_vertices;

for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

auto base_location = glm::vec3(0, 0, z);

base_location += glm::vec3(this->font.stringWidth(word_list[word_index]) * 0.5, this->font.stringHeight(word_list[word_index]) * 0.5, 0);

auto location = vertices[vertices_index] - glm::vec2(this->font.stringWidth(word_list[word_index]) * 0.5, this->font.stringHeight(word_list[word_index]) * 0.5);

mesh_vertices.push_back(location);

base_location_list.push_back(base_location);

}

ofMesh face, line;

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

for (int k = 0; k < mesh_vertices.size(); k++) {

face.addVertex(base_location_list[k] + glm::vec3(mesh_vertices[k] - glm::vec3(0, 0, 5)));

face.addVertex(base_location_list[k] + glm::vec3(mesh_vertices[k] + glm::vec3(0, 0, 5)));

line.addVertex(base_location_list[k] + glm::vec3(mesh_vertices[k] - glm::vec3(0, 0, 5)));

line.addVertex(base_location_list[k] + glm::vec3(mesh_vertices[k] + glm::vec3(0, 0, 5)));

if (k > 0) {

face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 4);

face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 4);

line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 3);

line.addIndex(line.getNumVertices() - 2); line.addIndex(line.getNumVertices() - 4);

}

face.addIndex(face.getNumVertices() - 1); face.addIndex(0); face.addIndex(1);

face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(2);

line.addIndex(line.getNumVertices() - 1); line.addIndex(1);

line.addIndex(line.getNumVertices() - 2); line.addIndex(0);

ofSetColor(0);

face.draw();

ofColor color;

color.setHsb(150, 255, 255);

ofSetColor(color);

line.drawWireframe();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210703

[ Kinako ]

2021年7月2日2021年7月2日

Allow trains. Draw by openFrameworks

[ Video ]

[ About ]
矢印の連結。
重ならないようにしたら少し不思議な動きに。

Arrow linkage.
I tried not to overlap them, but it made the movement a little strange.

[ Source ]

#pragma once
#include "ofMain.h"

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) {};

	void draw_arrow(glm::vec2 location, glm::vec2 next_location, float size, ofColor color);
};

#pragma once

#include "ofMain.h"

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) {};

void draw_arrow(glm::vec2 location, glm::vec2 next_location, float size, ofColor color);

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(2);
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

	for (int i = 0; i < 4; i++) {

		auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));
		auto prev_allow = glm::vec2();
		int arrow_count = 0;
		int k = 0;
		while (arrow_count < 5) {

			auto location = glm::vec2(ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.0065 - k * 0.0065), 0, 1, -300, 300), ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.0065 - k * 0.0065), 0, 1, -300, 300));
			auto next = glm::vec2(ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() - 1) * 0.0065 - k * 0.0065), 0, 1, -300, 300), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() - 1) * 0.0065 - k * 0.0065), 0, 1, -300, 300));

			if (arrow_count == 0) {

				this->draw_arrow(next, location, 30, ofColor(39));
				prev_allow = location;
				arrow_count++;
			} 
			else if (glm::distance(prev_allow, location) > 45) {

				this->draw_arrow(location, prev_allow, 30, ofColor(39));
				prev_allow = location;
				arrow_count++;
			}

			k++;
		}
	}
}

//--------------------------------------------------------------
void ofApp::draw_arrow(glm::vec2 location, glm::vec2 next_location, float size, ofColor color) {

	auto angle = std::atan2(next_location.y - location.y, next_location.x - location.x);

	ofSetColor(color);
	ofFill();
	ofBeginShape();
	ofVertex(location + glm::vec2(size * cos(angle), size * sin(angle)));
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)));
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)));
	ofEndShape();

	ofBeginShape();
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25);
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25);
	ofEndShape();

	ofSetColor(239);
	ofNoFill();
	ofBeginShape();
	ofVertex(location + glm::vec2(size * cos(angle), size * sin(angle)));
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)));
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)));
	ofEndShape();

	ofBeginShape();
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25);
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25);
	ofEndShape();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

for (int i = 0; i < 4; i++) {

auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

auto prev_allow = glm::vec2();

int arrow_count = 0;

int k = 0;

while (arrow_count < 5) {

auto location = glm::vec2(ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.0065 - k * 0.0065), 0, 1, -300, 300), ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.0065 - k * 0.0065), 0, 1, -300, 300));

auto next = glm::vec2(ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() - 1) * 0.0065 - k * 0.0065), 0, 1, -300, 300), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() - 1) * 0.0065 - k * 0.0065), 0, 1, -300, 300));

if (arrow_count == 0) {

this->draw_arrow(next, location, 30, ofColor(39));

prev_allow = location;

arrow_count++;

}

else if (glm::distance(prev_allow, location) > 45) {

this->draw_arrow(location, prev_allow, 30, ofColor(39));

prev_allow = location;

arrow_count++;

}

k++;

}

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

void ofApp::draw_arrow(glm::vec2 location, glm::vec2 next_location, float size, ofColor color) {

auto angle = std::atan2(next_location.y - location.y, next_location.x - location.x);

ofSetColor(color);

ofFill();

ofBeginShape();

ofVertex(location + glm::vec2(size * cos(angle), size * sin(angle)));

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)));

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)));

ofEndShape();

ofBeginShape();

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25);

ofEndShape();

ofSetColor(239);

ofNoFill();

ofBeginShape();

ofVertex(location + glm::vec2(size * cos(angle), size * sin(angle)));

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)));

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)));

ofEndShape();

ofBeginShape();

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25);

ofEndShape();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210702

[ Kinako ]

2021年7月1日2021年7月1日

Gap to static. Draw by openFrameworks

[ Video ]

[ About ]
昨日の投稿の反転版。
移動量を下のように制動をつける。
auto power = gap_param 0.5 ? 0 : ofMap(gap_param, 0, 0.5, 1, 0);

Reversed version of yesterday’s post.
Braking the amount of movement as shown below.
auto power = gap_param 0.5 ? 0 : ofMap(gap_param, 0, 0.5, 1, 0);

[ 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;

	float rect_size;
	vector<float> gap_list;
	vector<cv::Mat> rect_frame_list;
	vector<unique_ptr<ofImage>> rect_image_list;
	vector<cv::Rect> cv_rect_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;

int number_of_frames;

vector<cv::Mat> frame_list;

float rect_size;

vector<float> gap_list;

vector<cv::Mat> rect_frame_list;

vector<unique_ptr<ofImage>> rect_image_list;

vector<cv::Rect> cv_rect_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(2);
	ofEnableDepthTest();
	ofDisableArbTex();

	this->cap_size = cv::Size(640, 360);
	this->rect_size = 10;
	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_image_list.push_back(move(image));
			this->cv_rect_list.push_back(rect);
			this->rect_frame_list.push_back(frame);
			this->gap_list.push_back(this->rect_size);
		}
	}

	auto file_path = "D:\\MP4\\Pexels Videos 2880.mp4";
	this->cap.open(file_path);
	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 frame_index = (int)((ofGetFrameNum() + 5) * 0.42) % this->number_of_frames;
	int next_frame_index = (frame_index + 1) % this->number_of_frames;

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

		this->gap_list[i] = this->gap_list[i] <= 0 ? 0 : this->gap_list[i] - 0.02;
	}

	if (frame_index < next_frame_index) {

		cv::Mat gap = this->frame_list[frame_index] - this->frame_list[next_frame_index];

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

			int x = this->cv_rect_list[i].x + this->rect_size * 0.5;
			int y = this->cv_rect_list[i].y + this->rect_size * 0.5;

			cv::Vec3b* gap_value = gap.ptr<cv::Vec3b>(y, 0);
			cv::Vec3b* color_value = this->frame_list[frame_index].ptr<cv::Vec3b>(y, 0);
			cv::Vec3b gv = gap_value[x];
			cv::Vec3b cv = color_value[x];
			if ((gv[0] + gv[1] + gv[2]) > 50) {

				this->gap_list[i] = 1;
			}
		}
	}
}

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

	int frame_index = (int)(ofGetFrameNum() * 0.42) % this->number_of_frames;

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

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

		auto power = this->gap_list[i] > 0.5 ? 0 : ofMap(this->gap_list[i], 0, 0.5, 1, 0);

		auto tremor = glm::vec3(
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, this->rect_size * -6.5, this->rect_size * 6.5) * power,
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, this->rect_size * -6.5, this->rect_size * 6.5) * power,
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, this->rect_size * -6.5, this->rect_size * 6.5) * power);

		ofPushMatrix();
		ofTranslate(this->cv_rect_list[i].x + 50 - ofGetWidth() * 0.5 + tremor.x, this->cv_rect_list[i].y + 180 - ofGetHeight() * 0.5 + tremor.y, tremor.z);
		ofRotateX(180);

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

		ofFill();
		ofSetColor(255);
		this->rect_image_list[i]->update();
		this->rect_image_list[i]->getTexture().bind();

		ofDrawBox(glm::vec3(), this->rect_size);
		this->rect_image_list[i]->unbind();

		if (this->gap_list[i] == 0) {

			ofNoFill();
			ofSetColor(0);

			ofDrawBox(glm::vec3(), this->rect_size);
		}

		ofPopMatrix();
	}

	ofNoFill();
	ofSetColor(39);
	ofDrawBox(glm::vec3(this->rect_size * 0.5, this->rect_size * -0.5, 0), 640, 360, this->rect_size);

	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);

ofSetLineWidth(2);

ofEnableDepthTest();

ofDisableArbTex();

this->cap_size = cv::Size(640, 360);

this->rect_size = 10;

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_image_list.push_back(move(image));

this->cv_rect_list.push_back(rect);

this->rect_frame_list.push_back(frame);

this->gap_list.push_back(this->rect_size);

}

auto file_path = "D:\\MP4\\Pexels Videos 2880.mp4";

this->cap.open(file_path);

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 frame_index = (int)((ofGetFrameNum() + 5) * 0.42) % this->number_of_frames;

int next_frame_index = (frame_index + 1) % this->number_of_frames;

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

this->gap_list[i] = this->gap_list[i] <= 0 ? 0 : this->gap_list[i] - 0.02;

}

if (frame_index < next_frame_index) {

cv::Mat gap = this->frame_list[frame_index] - this->frame_list[next_frame_index];

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

int x = this->cv_rect_list[i].x + this->rect_size * 0.5;

int y = this->cv_rect_list[i].y + this->rect_size * 0.5;

cv::Vec3b* gap_value = gap.ptr<cv::Vec3b>(y, 0);

cv::Vec3b* color_value = this->frame_list[frame_index].ptr<cv::Vec3b>(y, 0);

cv::Vec3b gv = gap_value[x];

cv::Vec3b cv = color_value[x];

if ((gv[0] + gv[1] + gv[2]) > 50) {

this->gap_list[i] = 1;

}

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

void ofApp::draw() {

int frame_index = (int)(ofGetFrameNum() * 0.42) % this->number_of_frames;

this->cam.begin();

ofRotateX(180);

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

auto power = this->gap_list[i] > 0.5 ? 0 : ofMap(this->gap_list[i], 0, 0.5, 1, 0);

auto tremor = glm::vec3(

ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, this->rect_size * -6.5, this->rect_size * 6.5) * power,

ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, this->rect_size * -6.5, this->rect_size * 6.5) * power);

ofPushMatrix();

ofTranslate(this->cv_rect_list[i].x + 50 - ofGetWidth() * 0.5 + tremor.x, this->cv_rect_list[i].y + 180 - ofGetHeight() * 0.5 + tremor.y, tremor.z);

ofRotateX(180);

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

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

ofFill();

ofSetColor(255);

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

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

ofDrawBox(glm::vec3(), this->rect_size);

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

if (this->gap_list[i] == 0) {

ofNoFill();

ofSetColor(0);

ofDrawBox(glm::vec3(), this->rect_size);

}

ofPopMatrix();

}

ofNoFill();

ofSetColor(39);

ofDrawBox(glm::vec3(this->rect_size * 0.5, this->rect_size * -0.5, 0), 640, 360, this->rect_size);

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210701

[ Kinako ]

2025年8月
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