junkiyoshi – ページ 307 – プログラミング de 落描き

2021年10月12日2021年10月12日

Walker from circle to square. Draw by openFrameworks

[ Video ]

[ About ]
円から出発して外周の四角に突き当たるまで進むランダムウォーカー。

A random walker that starts from a circle and proceeds until it hits the outer square.

[ 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) {};

	vector<glm::vec2> base_location_list;
	vector<vector<glm::vec2>> log_list;
};

#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) {};

vector<glm::vec2> base_location_list;

vector<vector<glm::vec2>> log_list;

};

#include "ofApp.h"	

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

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

	ofBackground(0);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	int radius = 100;
	for (float deg = 0; deg < 360; deg += 10) {

		auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		this->base_location_list.push_back(location);
	}
}

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

	this->log_list.clear();

	int limit = 300;
	for (int i = 0; i < this->base_location_list.size(); i++) {

		vector<glm::vec2> log;
		log.push_back(glm::vec2(this->base_location_list[i]));
		this->log_list.push_back(log);
	}

	int step = 1;
	for (int i = 0; i < this->log_list.size(); i++) {

		int k = 0;
		while (true) {

			auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back() * 0.0035, ofGetFrameNum() * 0.003 + k * 0.0005)), 0, 1, -360, 360);
			auto next = this->log_list[i].back() + glm::vec2(step * cos(deg * DEG_TO_RAD), step * sin(deg * DEG_TO_RAD));

			if (next.x < -limit || next.x > limit || next.y < -limit || next.y > limit) {

				break;
			}
			else {

				this->log_list[i].push_back(next);
			}

			k++;
		}
	}
}

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

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

	ofSetLineWidth(1.2);
	for (int i = 0; i < this->log_list.size(); i++) {

		if (this->log_list[i].size() > 1) {

			ofNoFill();
			ofSetColor(39, 39, 239);
			ofBeginShape();
			ofVertices(this->log_list[i]);
			ofEndShape();

			ofFill();
			ofSetColor(255);
			ofDrawCircle(this->log_list[i].back(), 3);
			ofSetColor(39, 39, 239);
			ofDrawCircle(this->log_list[i].front(), 3);
		}
	}

	ofNoFill();
	ofSetLineWidth(0.2);
	ofSetColor(255);
	ofDrawRectangle(-300, -300, 600, 600);

}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

int radius = 100;

for (float deg = 0; deg < 360; deg += 10) {

auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

this->base_location_list.push_back(location);

}

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

void ofApp::update() {

this->log_list.clear();

int limit = 300;

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

vector<glm::vec2> log;

log.push_back(glm::vec2(this->base_location_list[i]));

this->log_list.push_back(log);

}

int step = 1;

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

int k = 0;

while (true) {

auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back() * 0.0035, ofGetFrameNum() * 0.003 + k * 0.0005)), 0, 1, -360, 360);

auto next = this->log_list[i].back() + glm::vec2(step * cos(deg * DEG_TO_RAD), step * sin(deg * DEG_TO_RAD));

if (next.x < -limit || next.x > limit || next.y < -limit || next.y > limit) {

break;

}

else {

this->log_list[i].push_back(next);

}

k++;

}

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

void ofApp::draw() {

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

ofSetLineWidth(1.2);

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

if (this->log_list[i].size() > 1) {

ofNoFill();

ofSetColor(39, 39, 239);

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

ofFill();

ofSetColor(255);

ofDrawCircle(this->log_list[i].back(), 3);

ofSetColor(39, 39, 239);

ofDrawCircle(this->log_list[i].front(), 3);

}

ofNoFill();

ofSetLineWidth(0.2);

ofSetColor(255);

ofDrawRectangle(-300, -300, 600, 600);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211012

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2021年10月11日2021年10月11日

Connections. Draw by openFrameworks

[ Video ]

[ About ]
ランダムウォークの進みを半径を超えるまで進める事で、円の点と点が線でつながる。

By advancing the random walk until it exceeds the radius, the points of the circle are connected by lines.

[ 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) {};

	float radius;

	vector<glm::vec2> base_location_list;
	vector<vector<glm::vec2>> log_list;
};

#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) {};

float radius;

vector<glm::vec2> base_location_list;

vector<vector<glm::vec2>> log_list;

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetLineWidth(1.5);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);
	ofNoFill();

	this->radius = 150;
	for (float deg = 0; deg < 360; deg += 1.5) {

		auto location = glm::vec2(this->radius * cos(deg * DEG_TO_RAD), this->radius * sin(deg * DEG_TO_RAD));
		this->base_location_list.push_back(location);
	}
}

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

	this->log_list.clear();

	for (int base_x = -165; base_x <= 165; base_x += 330) {

		for (int base_y = -165; base_y <= 165; base_y += 330) {

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

				vector<glm::vec2> log;
				log.push_back(glm::vec2(this->base_location_list[i] + glm::vec2(base_x, base_y)));
				this->log_list.push_back(log);
			}

			int step = 1;
			for (int i = 0; i < this->log_list.size(); i++) {

				int k = 0;
				while (true) {

					auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back() * 0.015, ofGetFrameNum() * 0.006 + k * 0.001)), 0, 1, -180, 180);
					auto next = this->log_list[i].back() + glm::vec2(step * cos(deg * DEG_TO_RAD), step * sin(deg * DEG_TO_RAD));

					if (glm::distance(glm::vec2(base_x, base_y), next) < this->radius) {

						this->log_list[i].push_back(next);
					}
					else {

						break;
					}

					k++;
				}
			}
		}
	}
}

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);
	
	for (int i = 0; i < this->log_list.size(); i++) {

		if (this->log_list[i].size() > 1) {

			ofNoFill();
			ofSetColor(190);
			ofBeginShape();
			ofVertices(this->log_list[i]);
			ofEndShape();

			ofFill();
			ofDrawCircle(this->log_list[i].back(), 3);
			ofDrawCircle(this->log_list[i].front(), 3);
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(1.5);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);

ofNoFill();

this->radius = 150;

for (float deg = 0; deg < 360; deg += 1.5) {

auto location = glm::vec2(this->radius * cos(deg * DEG_TO_RAD), this->radius * sin(deg * DEG_TO_RAD));

this->base_location_list.push_back(location);

}

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

void ofApp::update() {

this->log_list.clear();

for (int base_x = -165; base_x <= 165; base_x += 330) {

for (int base_y = -165; base_y <= 165; base_y += 330) {

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

vector<glm::vec2> log;

log.push_back(glm::vec2(this->base_location_list[i] + glm::vec2(base_x, base_y)));

this->log_list.push_back(log);

}

int step = 1;

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

int k = 0;

while (true) {

auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back() * 0.015, ofGetFrameNum() * 0.006 + k * 0.001)), 0, 1, -180, 180);

auto next = this->log_list[i].back() + glm::vec2(step * cos(deg * DEG_TO_RAD), step * sin(deg * DEG_TO_RAD));

if (glm::distance(glm::vec2(base_x, base_y), next) < this->radius) {

this->log_list[i].push_back(next);

}

else {

break;

}

k++;

}

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

void ofApp::draw() {

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

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

if (this->log_list[i].size() > 1) {

ofNoFill();

ofSetColor(190);

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

ofFill();

ofDrawCircle(this->log_list[i].back(), 3);

ofDrawCircle(this->log_list[i].front(), 3);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211011

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2021年10月10日

My artworks on cube. Draw by openFrameworks

[ Video ]

[ About ]
動画をランダムに投影したパネルをキューブ状に配置する。

Panels with randomly projected videos are arranged in a cube shape.

[ 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;

	cv::Mat frame;
	ofImage image;
};

#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;

cv::Mat frame;

ofImage image;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
	ofEnableDepthTest();
	ofDisableArbTex();

	this->cap_size = cv::Size(180, 180);
	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 = 0;
	vector<string> file_path_list = {
		"D:\\tmp\\1.mp4",
		"D:\\tmp\\2.mp4",
		"D:\\tmp\\3.mp4",
		"D:\\tmp\\4.mp4",
		"D:\\tmp\\5.mp4",
		"D:\\tmp\\6.mp4",
		"D:\\tmp\\7.mp4",
		"D:\\tmp\\8.mp4",
	};

	for (auto& file_path : file_path_list) {

		this->cap.open(file_path);
		int frame_count = this->cap.get(cv::CAP_PROP_FRAME_COUNT);
		for (int i = 0; i < frame_count; 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);
		}

		this->number_of_frames += frame_count;
	}
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	for (int base_x = -300; base_x <= 300; base_x += 600) {

		for (int base_y = -300; base_y <= 300; base_y += 600) {

			ofPushMatrix();
			ofTranslate(base_x, base_y, 0);
			ofRotateZ(ofRandom(360) + ofGetFrameNum() * 0.3);
			ofRotateY(ofRandom(360) + ofGetFrameNum() * 0.3);
			ofRotateX(ofRandom(360) + ofGetFrameNum() * 0.3);

			for (int k = 0; k < 6; k++) {

				if (k > 0 && k < 4) { ofRotateY(90); }
				if (k == 4) { ofRotateX(90); }
				if (k == 5) { ofRotateX(180); }

				for (int x = -90; x <= 90; x += 180) {

					for (int y = -90; y <= 90; y += 180) {

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

						ofSetColor(255);
						ofFill();
						this->image.getTexture().bind();
						ofDrawPlane(glm::vec3(x, y, 180), 180, 180);
						this->image.unbind();

						ofSetColor(139);
						ofNoFill();
						ofDrawRectangle(glm::vec3(x, y, 180), 180, 180);
					}
				}
			}

			ofPopMatrix();
		}
	}

	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);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

ofEnableDepthTest();

ofDisableArbTex();

this->cap_size = cv::Size(180, 180);

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 = 0;

vector<string> file_path_list = {

"D:\\tmp\\1.mp4",

"D:\\tmp\\2.mp4",

"D:\\tmp\\3.mp4",

"D:\\tmp\\4.mp4",

"D:\\tmp\\5.mp4",

"D:\\tmp\\6.mp4",

"D:\\tmp\\7.mp4",

"D:\\tmp\\8.mp4",

};

for (auto& file_path : file_path_list) {

this->cap.open(file_path);

int frame_count = this->cap.get(cv::CAP_PROP_FRAME_COUNT);

for (int i = 0; i < frame_count; 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);

}

this->number_of_frames += frame_count;

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

for (int base_x = -300; base_x <= 300; base_x += 600) {

for (int base_y = -300; base_y <= 300; base_y += 600) {

ofPushMatrix();

ofTranslate(base_x, base_y, 0);

ofRotateZ(ofRandom(360) + ofGetFrameNum() * 0.3);

ofRotateY(ofRandom(360) + ofGetFrameNum() * 0.3);

ofRotateX(ofRandom(360) + ofGetFrameNum() * 0.3);

for (int k = 0; k < 6; k++) {

if (k > 0 && k < 4) { ofRotateY(90); }

if (k == 4) { ofRotateX(90); }

if (k == 5) { ofRotateX(180); }

for (int x = -90; x <= 90; x += 180) {

for (int y = -90; y <= 90; y += 180) {

int frame_index = (int(ofRandom(this->number_of_frames)) + ofGetFrameNum()) % this->number_of_frames;

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

this->image.update();

ofSetColor(255);

ofFill();

this->image.getTexture().bind();

ofDrawPlane(glm::vec3(x, y, 180), 180, 180);

this->image.unbind();

ofSetColor(139);

ofNoFill();

ofDrawRectangle(glm::vec3(x, y, 180), 180, 180);

}

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211010

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