openFrameworks – ページ 458 – プログラミング de 落描き

2021年2月17日2021年2月17日

PCD 2021 Desert. Draw by openFrameworks

[ Video ]

[ About ]

For PCD Japan 2021, we organize Daily Coding Week from Feb 13th! We made a "prompt list" as themes of the day, and those works tweeted with #PCD2021 by 23:59 (UTC+9) will be automatically included in our 3D online gallery! Use your favorite tool (not only p5/p5js) for submission! pic.twitter.com/WjcOwu1fnP

— PCD Japan (@PCD_Tokyo) February 11, 2021

[ Source ]

#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) {};

	ofTrueTypeFont font;

	ofxBox2d box2d;
	vector<shared_ptr<ofxBox2dCircle>> circle_list;
	vector<float> radius_list;
	vector<float> life_list;
};

#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) {};

ofTrueTypeFont font;

ofxBox2d box2d;

vector<shared_ptr<ofxBox2dCircle>> circle_list;

vector<float> radius_list;

vector<float> life_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);

	this->box2d.init();
	this->box2d.setGravity(0, 50);
	this->box2d.createBounds();
	this->box2d.setFPS(60);
	this->box2d.registerGrabbing();
}

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

	for (int i = this->circle_list.size() - 1; i > -1; i--) {

		this->life_list[i] -= 1;

		if (this->life_list[i] < 0) {

			this->circle_list.erase(this->circle_list.begin() + i);
			this->radius_list.erase(this->radius_list.begin() + i);
			this->life_list.erase(this->life_list.begin() + i);
		}
	}

	for(int i = 0; i < 3; i++) {

		auto radius = ofRandom(1, 3);

		auto circle = make_shared<ofxBox2dCircle>();
		circle->setPhysics(0.5, 0.03, 0.1);
		circle->setup(this->box2d.getWorld(), ofRandom(ofGetWidth() * 0.5 - radius, ofGetWidth() * 0.5 + radius), 100 + radius, radius);
		circle->setRotation(ofRandom(360));
		this->circle_list.push_back(circle);
		this->radius_list.push_back(radius);
		this->life_list.push_back(400);
	}

	this->box2d.update();
}

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

	string word = "PCD 2021";
	this->font.drawStringAsShapes(word, ofGetWidth() * 0.5 + this->font.stringWidth(word) * -0.5, ofGetHeight() * 0.5 + this->font.stringHeight(word) * 0.5);

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

		ofDrawCircle(glm::vec2(this->circle_list[i]->getPosition()), this->radius_list[i]);
	}
}


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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);

this->box2d.init();

this->box2d.setGravity(0, 50);

this->box2d.createBounds();

this->box2d.setFPS(60);

this->box2d.registerGrabbing();

}

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

void ofApp::update() {

for (int i = this->circle_list.size() - 1; i > -1; i--) {

this->life_list[i] -= 1;

if (this->life_list[i] < 0) {

this->circle_list.erase(this->circle_list.begin() + i);

this->radius_list.erase(this->radius_list.begin() + i);

this->life_list.erase(this->life_list.begin() + i);

}

for(int i = 0; i < 3; i++) {

auto radius = ofRandom(1, 3);

auto circle = make_shared<ofxBox2dCircle>();

circle->setPhysics(0.5, 0.03, 0.1);

circle->setup(this->box2d.getWorld(), ofRandom(ofGetWidth() * 0.5 - radius, ofGetWidth() * 0.5 + radius), 100 + radius, radius);

circle->setRotation(ofRandom(360));

this->circle_list.push_back(circle);

this->radius_list.push_back(radius);

this->life_list.push_back(400);

}

this->box2d.update();

}

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

void ofApp::draw() {

string word = "PCD 2021";

this->font.drawStringAsShapes(word, ofGetWidth() * 0.5 + this->font.stringWidth(word) * -0.5, ofGetHeight() * 0.5 + this->font.stringHeight(word) * 0.5);

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

ofDrawCircle(glm::vec2(this->circle_list[i]->getPosition()), this->radius_list[i]);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210217

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2021年2月16日

PCD 2021 Painting. Draw by openFrameworks

[ Video ]

[ About ]

For PCD Japan 2021, we organize Daily Coding Week from Feb 13th! We made a "prompt list" as themes of the day, and those works tweeted with #PCD2021 by 23:59 (UTC+9) will be automatically included in our 3D online gallery! Use your favorite tool (not only p5/p5js) for submission! pic.twitter.com/WjcOwu1fnP

— PCD Japan (@PCD_Tokyo) February 11, 2021

[ Source ]

#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 mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofEasyCam cam;

	ofTrueTypeFont font;

	cv::VideoCapture cap;
	cv::Size cap_size;

	ofImage image;
	cv::Mat frame;

	cv::Mat gray;
	ofImage gray_image;

	cv::Mat edge;
	ofImage edge_image;
};

#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 mouseEntered(int x, int y) {};

void mouseExited(int x, int y) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

ofTrueTypeFont font;

cv::VideoCapture cap;

cv::Size cap_size;

ofImage image;

cv::Mat frame;

cv::Mat gray;

ofImage gray_image;

cv::Mat edge;

ofImage edge_image;

};

#include "ofApp.h"

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

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

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

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);

	this->cap.open("D:\\MP4\\Pexels Videos 2880.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->gray_image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_GRAYSCALE);
	this->gray = cv::Mat(this->gray_image.getHeight(), this->gray_image.getWidth(), CV_MAKETYPE(CV_8U, this->gray_image.getPixels().getNumChannels()), this->gray_image.getPixels().getData(), 0);

	this->edge_image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_GRAYSCALE);
	this->edge = cv::Mat(this->edge_image.getHeight(), this->edge_image.getWidth(), CV_MAKETYPE(CV_8U, this->edge_image.getPixels().getNumChannels()), this->edge_image.getPixels().getData(), 0);
}

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

	cv::Mat cap_frame;
	this->cap >> cap_frame;
	if (cap_frame.empty()) {

		cap.set(cv::CAP_PROP_POS_FRAMES, 1);
		return;
	}
	cv::resize(cap_frame, this->frame, this->cap_size);
	cv::cvtColor(this->frame, this->frame, cv::COLOR_BGR2RGB);
	cv::cvtColor(this->frame, this->gray, cv::COLOR_RGB2GRAY);
	
	this->frame.forEach<cv::Vec3b>([](cv::Vec3b& p, const int* position) -> void {
		
		p[0] = floor(p[0] / 30) * 30;
		p[1] = floor(p[1] / 30) * 330;
		p[2] = floor(p[2] / 30) * 30;
	});

	cv::Canny(this->gray, this->edge, 10, 200);

	cv::Mat color_edge;
	cv::cvtColor(this->edge, color_edge, cv::COLOR_GRAY2RGB);

	cv::subtract(this->frame, color_edge, this->frame);

	this->image.update();
	this->gray_image.update();
	this->edge_image.update();
}

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

	this->cam.begin();

	ofSetColor(255);
	this->image.draw(0, 0);

	ofSetColor(239);
	string word = "PCD 2021";
	this->font.drawStringAsShapes(word, this->font.stringWidth(word) * -0.5, this->font.stringHeight(word) * 0.5);
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);

this->cap.open("D:\\MP4\\Pexels Videos 2880.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->gray_image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_GRAYSCALE);

this->gray = cv::Mat(this->gray_image.getHeight(), this->gray_image.getWidth(), CV_MAKETYPE(CV_8U, this->gray_image.getPixels().getNumChannels()), this->gray_image.getPixels().getData(), 0);

this->edge_image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_GRAYSCALE);

this->edge = cv::Mat(this->edge_image.getHeight(), this->edge_image.getWidth(), CV_MAKETYPE(CV_8U, this->edge_image.getPixels().getNumChannels()), this->edge_image.getPixels().getData(), 0);

}

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

void ofApp::update() {

cv::Mat cap_frame;

this->cap >> cap_frame;

if (cap_frame.empty()) {

cap.set(cv::CAP_PROP_POS_FRAMES, 1);

return;

}

cv::resize(cap_frame, this->frame, this->cap_size);

cv::cvtColor(this->frame, this->frame, cv::COLOR_BGR2RGB);

cv::cvtColor(this->frame, this->gray, cv::COLOR_RGB2GRAY);

this->frame.forEach<cv::Vec3b>([](cv::Vec3b& p, const int* position) -> void {

p[0] = floor(p[0] / 30) * 30;

p[1] = floor(p[1] / 30) * 330;

p[2] = floor(p[2] / 30) * 30;

});

cv::Canny(this->gray, this->edge, 10, 200);

cv::Mat color_edge;

cv::cvtColor(this->edge, color_edge, cv::COLOR_GRAY2RGB);

cv::subtract(this->frame, color_edge, this->frame);

this->image.update();

this->gray_image.update();

this->edge_image.update();

}

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

void ofApp::draw() {

this->cam.begin();

ofSetColor(255);

this->image.draw(0, 0);

ofSetColor(239);

string word = "PCD 2021";

this->font.drawStringAsShapes(word, this->font.stringWidth(word) * -0.5, this->font.stringHeight(word) * 0.5);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210216

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2021年2月15日

PCD 2021 Sky. Draw by openFrameworks

[ Video ]

[ About ]

For PCD Japan 2021, we organize Daily Coding Week from Feb 13th! We made a "prompt list" as themes of the day, and those works tweeted with #PCD2021 by 23:59 (UTC+9) will be automatically included in our 3D online gallery! Use your favorite tool (not only p5/p5js) for submission! pic.twitter.com/WjcOwu1fnP

— PCD Japan (@PCD_Tokyo) February 11, 2021

[ Source ]

#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 mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofMesh mesh;
	ofTrueTypeFont font;
};

#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 mouseEntered(int x, int y) {};

void mouseExited(int x, int y) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofMesh mesh;

ofTrueTypeFont font;

};

#include "ofApp.h"

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

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

	ofBackground(39, 39, 239);
	ofSetColor(0);

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);
}

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

	this->mesh.clear();

	int span = 5;
	for (int x = 0; x < ofGetWidth(); x += span) {

		for (int y = 0; y < ofGetHeight(); y += span) {

			auto noise_value = ofNoise(x * 0.0025, y * 0.0025 + ofGetFrameNum() * 0.005, ofGetFrameNum() * 0.005);

			if (noise_value < 0.85) {

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

				this->mesh.addIndex(this->mesh.getNumVertices() - 1); this->mesh.addIndex(this->mesh.getNumVertices() - 4); this->mesh.addIndex(this->mesh.getNumVertices() - 3);
				this->mesh.addIndex(this->mesh.getNumVertices() - 1); this->mesh.addIndex(this->mesh.getNumVertices() - 2); this->mesh.addIndex(this->mesh.getNumVertices() - 3);

				auto alpha = ofMap(noise_value, 0, 0.85, 255, 0);
				for (int i = 0; i < 4; i++) { this->mesh.addColor(ofColor(239, alpha)); }
			}
		}
	}
}

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

	this->mesh.draw();

	string word = "PCD 2021";
	this->font.drawStringAsShapes(word, ofGetWidth() * 0.5 + this->font.stringWidth(word) * -0.5, ofGetHeight() * 0.5 + this->font.stringHeight(word) * 0.5);
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(39, 39, 239);

ofSetColor(0);

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);

}

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

void ofApp::update() {

this->mesh.clear();

int span = 5;

for (int x = 0; x < ofGetWidth(); x += span) {

for (int y = 0; y < ofGetHeight(); y += span) {

auto noise_value = ofNoise(x * 0.0025, y * 0.0025 + ofGetFrameNum() * 0.005, ofGetFrameNum() * 0.005);

if (noise_value < 0.85) {

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

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

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

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

this->mesh.addIndex(this->mesh.getNumVertices() - 1); this->mesh.addIndex(this->mesh.getNumVertices() - 4); this->mesh.addIndex(this->mesh.getNumVertices() - 3);

this->mesh.addIndex(this->mesh.getNumVertices() - 1); this->mesh.addIndex(this->mesh.getNumVertices() - 2); this->mesh.addIndex(this->mesh.getNumVertices() - 3);

auto alpha = ofMap(noise_value, 0, 0.85, 255, 0);

for (int i = 0; i < 4; i++) { this->mesh.addColor(ofColor(239, alpha)); }

}

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

void ofApp::draw() {

this->mesh.draw();

string word = "PCD 2021";

this->font.drawStringAsShapes(word, ofGetWidth() * 0.5 + this->font.stringWidth(word) * -0.5, ofGetHeight() * 0.5 + this->font.stringHeight(word) * 0.5);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210215

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2024年11月
月	火	水	木	金	土	日
				1	2	3
4	5	6	7	8	9	10
11	12	13	14	15	16	17
18	19	20	21	22	23	24
25	26	27	28	29	30