2018年12月 – ページ 6 – プログラミング de 落描き

2018年12月16日2018年12月16日

IFS openFrameworks

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@EKey2210 さんのProcessing Advent Calendar 2018より

Referenced @Ekey2210 at Twitter

[ 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_three(glm::vec2 location, int number_of_loop, float scale);
};

#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_three(glm::vec2 location, int number_of_loop, float scale);

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
}

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

	ofSeedRandom(39);
}

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

	for (float x = 0.25; x < 1; x += 0.25) {

		for (float y = 0.33; y < 1; y += 0.33) {

			this->draw_three(glm::vec2(ofGetWidth() * x, ofGetHeight() * y), 5000, 23);
		}
	}
}

//--------------------------------------------------------------
void ofApp::draw_three(glm::vec2 location, int number_of_loop, float scale) {

	ofPushMatrix();
	ofTranslate(location);
	
	glm::vec2 point, prev_point;
	for (int i = 0; i < number_of_loop; i++) {

		float p = ofRandom(100);
		if (p < 1) {

			point.x = 0 * prev_point.x + 0 * prev_point.y + 0;
			point.y = 0 * prev_point.x + 0.16 * prev_point.y + 0;
		}
		else if (p < 8) {

			point.x = 0.2 * prev_point.x + -0.26 * prev_point.y + 0.0;
			point.y = 0.23 * prev_point.x + 0.22 * prev_point.y + 1.6;
		}
		else if (p < 15) {

			point.x = -0.15 * prev_point.x + 0.28 * prev_point.y + 0.0;
			point.y = 0.26 * prev_point.x + 0.24 * prev_point.y + 0.44;
		}
		else {

			point.x = 0.85 * prev_point.x + 0.04 * prev_point.y + 0.0;
			point.y = -0.04 * prev_point.x + 0.85 * prev_point.y + 1.5;
		}

		ofDrawCircle(point * -scale, ofMap(ofNoise(location.x + point.x * 0.3, location.y + point.y * 0.3, ofGetFrameNum() * 0.03), 0, 1, 0.1, 2));
		prev_point = point;
	}

	ofPopMatrix();
}


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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

for (float x = 0.25; x < 1; x += 0.25) {

for (float y = 0.33; y < 1; y += 0.33) {

this->draw_three(glm::vec2(ofGetWidth() * x, ofGetHeight() * y), 5000, 23);

}

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

void ofApp::draw_three(glm::vec2 location, int number_of_loop, float scale) {

ofPushMatrix();

ofTranslate(location);

glm::vec2 point, prev_point;

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

float p = ofRandom(100);

if (p < 1) {

point.x = 0 * prev_point.x + 0 * prev_point.y + 0;

point.y = 0 * prev_point.x + 0.16 * prev_point.y + 0;

}

else if (p < 8) {

point.x = 0.2 * prev_point.x + -0.26 * prev_point.y + 0.0;

point.y = 0.23 * prev_point.x + 0.22 * prev_point.y + 1.6;

}

else if (p < 15) {

point.x = -0.15 * prev_point.x + 0.28 * prev_point.y + 0.0;

point.y = 0.26 * prev_point.x + 0.24 * prev_point.y + 0.44;

}

else {

point.x = 0.85 * prev_point.x + 0.04 * prev_point.y + 0.0;

point.y = -0.04 * prev_point.x + 0.85 * prev_point.y + 1.5;

}

ofDrawCircle(point * -scale, ofMap(ofNoise(location.x + point.x * 0.3, location.y + point.y * 0.3, ofGetFrameNum() * 0.03), 0, 1, 0.1, 2));

prev_point = point;

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
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2018年12月15日2018年12月15日

2 years. openFrameworks

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プログラミングでの落書きを毎日アップロードして2年が経過。明日から3年目がスタート！

Upload videos of creative coding every day for 2 years. The 3rd year starts from tomorrow.

[ 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) {};

	vector<cv::VideoCapture> caps;
	vector<cv::Mat> mats;
	vector<unique_ptr<ofImage>> images;

	cv::VideoWriter writer;

	vector<glm::vec2> locations;
	int rect_size;
};

#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) {};

vector<cv::VideoCapture> caps;

vector<cv::Mat> mats;

vector<unique_ptr<ofImage>> images;

cv::VideoWriter writer;

vector<glm::vec2> locations;

int rect_size;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofNoFill();

	this->locations.push_back(glm::vec2(110, 110));
	this->locations.push_back(glm::vec2(210, 10));
	this->locations.push_back(glm::vec2(310, 10));
	this->locations.push_back(glm::vec2(410, 10));
	this->locations.push_back(glm::vec2(510, 110));
	this->locations.push_back(glm::vec2(510, 210));
	this->locations.push_back(glm::vec2(410, 310));
	this->locations.push_back(glm::vec2(310, 410));
	this->locations.push_back(glm::vec2(210, 510));
	this->locations.push_back(glm::vec2(110, 610));
	this->locations.push_back(glm::vec2(210, 610));
	this->locations.push_back(glm::vec2(310, 610));
	this->locations.push_back(glm::vec2(410, 610));
	this->locations.push_back(glm::vec2(510, 610));

	this->rect_size = 100;
	for (int i = 0; i < this->locations.size(); i++) {

		cv::VideoCapture cap = cv::VideoCapture();
		cap.open("C:\\Develop\\video\\" + to_string(i) + ".mp4");

		auto image = make_unique<ofImage>();
		image->allocate(this->rect_size, this->rect_size, OF_IMAGE_COLOR);
		cv::Mat mat = cv::Mat(cv::Size(image->getWidth(), image->getHeight()), CV_MAKETYPE(CV_8UC3, image->getPixels().getNumChannels()), image->getPixels().getData(), 0);

		this->caps.push_back(cap);
		this->images.push_back(move(image));
		this->mats.push_back(mat);
	}
}

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

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

		cv::Mat src;
		this->caps[i] >> src;
		if (src.empty()) {

			this->caps[i].set(cv::CAP_PROP_POS_FRAMES, 1);
			continue;
		}

		cv::resize(src, this->mats[i], cv::Size(this->rect_size, this->rect_size));
		cv::cvtColor(this->mats[i], this->mats[i], cv::COLOR_BGR2RGB);
		this->images[i]->update();
	}
}

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

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

		ofSetColor(255);
		this->images[i]->draw(this->locations[i]);
		ofSetColor(0);
		ofDrawRectangle(this->locations[i], this->rect_size, this->rect_size);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofNoFill();

this->locations.push_back(glm::vec2(110, 110));

this->locations.push_back(glm::vec2(210, 10));

this->locations.push_back(glm::vec2(310, 10));

this->locations.push_back(glm::vec2(410, 10));

this->locations.push_back(glm::vec2(510, 110));

this->locations.push_back(glm::vec2(510, 210));

this->locations.push_back(glm::vec2(410, 310));

this->locations.push_back(glm::vec2(310, 410));

this->locations.push_back(glm::vec2(210, 510));

this->locations.push_back(glm::vec2(110, 610));

this->locations.push_back(glm::vec2(210, 610));

this->locations.push_back(glm::vec2(310, 610));

this->locations.push_back(glm::vec2(410, 610));

this->locations.push_back(glm::vec2(510, 610));

this->rect_size = 100;

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

cv::VideoCapture cap = cv::VideoCapture();

cap.open("C:\\Develop\\video\\" + to_string(i) + ".mp4");

auto image = make_unique<ofImage>();

image->allocate(this->rect_size, this->rect_size, OF_IMAGE_COLOR);

cv::Mat mat = cv::Mat(cv::Size(image->getWidth(), image->getHeight()), CV_MAKETYPE(CV_8UC3, image->getPixels().getNumChannels()), image->getPixels().getData(), 0);

this->caps.push_back(cap);

this->images.push_back(move(image));

this->mats.push_back(mat);

}

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

void ofApp::update() {

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

cv::Mat src;

this->caps[i] >> src;

if (src.empty()) {

this->caps[i].set(cv::CAP_PROP_POS_FRAMES, 1);

continue;

}

cv::resize(src, this->mats[i], cv::Size(this->rect_size, this->rect_size));

cv::cvtColor(this->mats[i], this->mats[i], cv::COLOR_BGR2RGB);

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

}

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

void ofApp::draw() {

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

ofSetColor(255);

this->images[i]->draw(this->locations[i]);

ofSetColor(0);

ofDrawRectangle(this->locations[i], this->rect_size, this->rect_size);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

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2018年12月14日2018年12月14日

Force field. openFrameworks

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中央の力場で右往左往するパーティクル

Particle move by force field.

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#pragma once
#include "ofMain.h"
#include "ofxBox2d.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) {};

	ofxBox2d box2d;
	vector<shared_ptr<ofxBox2dCircle>> circles;
	vector<ofColor> circles_color;
	vector<deque<ofPoint>> circles_log;
};

#pragma once

#include "ofMain.h"

#include "ofxBox2d.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) {};

ofxBox2d box2d;

vector<shared_ptr<ofxBox2dCircle>> circles;

vector<ofColor> circles_color;

vector<deque<ofPoint>> circles_log;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(3);

	this->box2d.init();
	this->box2d.setGravity(0, 0);
	this->box2d.createBounds();
	this->box2d.setFPS(60);

	for (int i = 0; i < 25; i++) {

		auto circle = make_shared<ofxBox2dCircle>();
		circle.get()->setPhysics(0.5, 1.0, 1.0);
		circle.get()->setup(this->box2d.getWorld(), ofRandom(0, ofGetWidth()), ofRandom(0, ofGetHeight()), 8);
		this->circles.push_back(move(circle));

		ofColor c;
		c.setHsb(i * 10, 255, 230);
		this->circles_color.push_back(c);

		deque<ofPoint> log;
		this->circles_log.push_back(log);
	}
}

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

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

		int span = 30;
		for (int x = ofGetWidth() * 0.2; x <= ofGetWidth() * 0.8; x += span) {

			for (int y = ofGetHeight() * 0.2; y <= ofGetHeight() * 0.8; y += span) {

				if ((this->circles[i]->getPosition().x > x - span * 0.5 && this->circles[i]->getPosition().x < x + span * 0.5) &&
					(this->circles[i]->getPosition().y > y - span * 0.5 && this->circles[i]->getPosition().y < y + span * 0.5))
				{
					float noise_deg = ofNoise(x * 0.0005, y * 0.0005, ofGetFrameNum() * 0.01) * 360;
					ofPoint power = ofPoint(cos(noise_deg * DEG_TO_RAD), sin(noise_deg * DEG_TO_RAD));
					this->circles[i]->addForce(power, 1.0);
				}
			}
		}
	}

	this->box2d.update();

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

		this->circles_log[i].push_front(this->circles[i]->getPosition());
		while (this->circles_log[i].size() > 10) {

			this->circles_log[i].pop_back();
		}
	}
}

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

	ofFill();
	ofSetColor(39);

	int span = 30;
	for (int x = ofGetWidth() * 0.2; x <= ofGetWidth() * 0.8; x += span) {

		for (int y = ofGetHeight() * 0.2; y <= ofGetHeight() * 0.8; y += span) {

			float noise_deg = ofNoise(x * 0.0005, y * 0.0005, ofGetFrameNum() * 0.01) * 360;

			ofBeginShape();
			ofVertex((x + span * 0.5) + span * 0.35 * cos(noise_deg * DEG_TO_RAD), (y + span * 0.5) + span * 0.35 * sin(noise_deg * DEG_TO_RAD));
			ofVertex((x + span * 0.5) + span * 0.35 * cos((noise_deg + 135) * DEG_TO_RAD), (y + span * 0.5) + span * 0.35 * sin((noise_deg + 135) * DEG_TO_RAD));
			ofVertex((x + span * 0.5) + span * 0.35 * cos((noise_deg + 225) * DEG_TO_RAD), (y + span * 0.5) + span * 0.35 * sin((noise_deg + 225) * DEG_TO_RAD));
			ofEndShape(true);
		}
	}

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

		ofFill();
		ofSetColor(this->circles_color[i]);
		ofDrawCircle(this->circles[i]->getPosition(), this->circles[i]->getRadius());

		ofNoFill();
		ofBeginShape();
		for (int log_index = 0; log_index < this->circles_log[i].size(); log_index++) {

			ofVertex(this->circles_log[i][log_index]);
		}
		ofEndShape(false);
	}
}

//--------------------------------------------------------------
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(3);

this->box2d.init();

this->box2d.setGravity(0, 0);

this->box2d.createBounds();

this->box2d.setFPS(60);

for (int i = 0; i < 25; i++) {

auto circle = make_shared<ofxBox2dCircle>();

circle.get()->setPhysics(0.5, 1.0, 1.0);

circle.get()->setup(this->box2d.getWorld(), ofRandom(0, ofGetWidth()), ofRandom(0, ofGetHeight()), 8);

this->circles.push_back(move(circle));

ofColor c;

c.setHsb(i * 10, 255, 230);

this->circles_color.push_back(c);

deque<ofPoint> log;

this->circles_log.push_back(log);

}

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

void ofApp::update() {

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

int span = 30;

for (int x = ofGetWidth() * 0.2; x <= ofGetWidth() * 0.8; x += span) {

for (int y = ofGetHeight() * 0.2; y <= ofGetHeight() * 0.8; y += span) {

if ((this->circles[i]->getPosition().x > x - span * 0.5 && this->circles[i]->getPosition().x < x + span * 0.5) &&

(this->circles[i]->getPosition().y > y - span * 0.5 && this->circles[i]->getPosition().y < y + span * 0.5))

{

float noise_deg = ofNoise(x * 0.0005, y * 0.0005, ofGetFrameNum() * 0.01) * 360;

ofPoint power = ofPoint(cos(noise_deg * DEG_TO_RAD), sin(noise_deg * DEG_TO_RAD));

this->circles[i]->addForce(power, 1.0);

}

this->box2d.update();

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

this->circles_log[i].push_front(this->circles[i]->getPosition());

while (this->circles_log[i].size() > 10) {

this->circles_log[i].pop_back();

}

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

void ofApp::draw() {

ofFill();

ofSetColor(39);

int span = 30;

for (int x = ofGetWidth() * 0.2; x <= ofGetWidth() * 0.8; x += span) {

for (int y = ofGetHeight() * 0.2; y <= ofGetHeight() * 0.8; y += span) {

float noise_deg = ofNoise(x * 0.0005, y * 0.0005, ofGetFrameNum() * 0.01) * 360;

ofBeginShape();

ofVertex((x + span * 0.5) + span * 0.35 * cos(noise_deg * DEG_TO_RAD), (y + span * 0.5) + span * 0.35 * sin(noise_deg * DEG_TO_RAD));

ofVertex((x + span * 0.5) + span * 0.35 * cos((noise_deg + 135) * DEG_TO_RAD), (y + span * 0.5) + span * 0.35 * sin((noise_deg + 135) * DEG_TO_RAD));

ofVertex((x + span * 0.5) + span * 0.35 * cos((noise_deg + 225) * DEG_TO_RAD), (y + span * 0.5) + span * 0.35 * sin((noise_deg + 225) * DEG_TO_RAD));

ofEndShape(true);

}

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

ofFill();

ofSetColor(this->circles_color[i]);

ofDrawCircle(this->circles[i]->getPosition(), this->circles[i]->getRadius());

ofNoFill();

ofBeginShape();

for (int log_index = 0; log_index < this->circles_log[i].size(); log_index++) {

ofVertex(this->circles_log[i][log_index]);

}

ofEndShape(false);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

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2018年12月
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