プログラミング de 落描き – ページ 188 – クリエイティブ・コーディングによる生成物とソース

2023年12月23日

Shuffle.

[ Video ]

[ About ]
シャッフル。

[ 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> location_list;
	vector<int> life_list;

	float noise_value;
};

#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> location_list;

vector<int> life_list;

float noise_value;

};

#include "ofApp.h"

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

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

	ofBackground(239);
}

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

	if (ofGetFrameNum() % 50 < 15) {

		this->noise_value += ofMap(ofGetFrameNum() % 50, 0, 15, 3, 0);
	}
		
	for (int i = 0; i < 200; i++) {

		this->location_list.push_back(glm::vec2(ofRandom(-360, 360), ofRandom(-360, 360)));
		this->life_list.push_back(0);
	}

	for (int i = this->location_list.size() - 1; i >= 0; i--) {

		if (abs(this->location_list[i].x) > 460 || abs(this->location_list[i].y) > 460) {

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

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

		auto deg = ofMap(ofNoise(this->location_list[i].x * 0.005, this->location_list[i].y * 0.005, this->noise_value), 0, 1, -360, 360);
		auto next = this->location_list[i] + glm::vec2(5 * cos(deg * DEG_TO_RAD), 5 * sin(deg * DEG_TO_RAD));
		this->location_list[i] = next;
		this->life_list[i] += 1;
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

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

		auto size = this->life_list[i] < 10 ? ofMap(this->life_list[i], 0, 10, 0, 4) : 4;
		ofDrawCircle(this->location_list[i], size);
	}

	ofSetColor(39, 239, 39);
	for (int i = 0; i < this->location_list.size(); i++) {

		auto size = this->life_list[i] < 10 ? ofMap(this->life_list[i], 0, 10, 0, 4) : 4;
		ofDrawCircle(this->location_list[i], size * 0.4);
	}

	/*
	int start = 75;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}


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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

}

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

void ofApp::update() {

if (ofGetFrameNum() % 50 < 15) {

this->noise_value += ofMap(ofGetFrameNum() % 50, 0, 15, 3, 0);

}

for (int i = 0; i < 200; i++) {

this->location_list.push_back(glm::vec2(ofRandom(-360, 360), ofRandom(-360, 360)));

this->life_list.push_back(0);

}

for (int i = this->location_list.size() - 1; i >= 0; i--) {

if (abs(this->location_list[i].x) > 460 || abs(this->location_list[i].y) > 460) {

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

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

}

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

auto deg = ofMap(ofNoise(this->location_list[i].x * 0.005, this->location_list[i].y * 0.005, this->noise_value), 0, 1, -360, 360);

auto next = this->location_list[i] + glm::vec2(5 * cos(deg * DEG_TO_RAD), 5 * sin(deg * DEG_TO_RAD));

this->location_list[i] = next;

this->life_list[i] += 1;

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofSetColor(0);

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

auto size = this->life_list[i] < 10 ? ofMap(this->life_list[i], 0, 10, 0, 4) : 4;

ofDrawCircle(this->location_list[i], size);

}

ofSetColor(39, 239, 39);

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

auto size = this->life_list[i] < 10 ? ofMap(this->life_list[i], 0, 10, 0, 4) : 4;

ofDrawCircle(this->location_list[i], size * 0.4);

}

int start = 75;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20231223

2023年12月22日

Count up.

[ Video ]

[ About ]
カウントアップ。

[ 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;
	int font_size;
	vector<char> charactor_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) {};

ofEasyCam cam;

ofTrueTypeFont font;

int font_size;

vector<char> charactor_list;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetColor(255);
	ofNoFill();
	ofSetLineWidth(1);

	this->font_size = 60;
	this->font.loadFont("fonts/msgothic.ttc", this->font_size, true, true, true);

	this->charactor_list = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'};
}

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

	ofSeedRandom(39);
}

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

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

	int sample_count = 200;

	for (int x = -360; x <= 360 ; x += 72) {

		for (int y = -288; y <= 288; y += 72) {
			
			int frame_param = ofGetFrameNum() * 8;

			int charactor_index = 0;
			charactor_index = (charactor_index + frame_param / sample_count) % this->charactor_list.size();
			ofPath path = this->font.getCharacterAsPoints(this->charactor_list[charactor_index], true, false);
			vector<ofPolyline> outline = path.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();

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

					glm::vec3 vertex = glm::vec3(x + 18, y + 27 , 0) + glm::vec3(vertices[vertices_index].x, vertices[vertices_index].y, vertices[vertices_index].z);

					if (frame_param % (sample_count * 2) < sample_count) {

						if (vertices_index < frame_param % sample_count) {

							ofVertex(vertex);
						}
					}
					else {

						if (vertices_index > frame_param % sample_count) {

							ofVertex(vertex);
						}
					}

					if (vertices_index == frame_param % sample_count) {

						ofFill();
						ofDrawSphere(vertex, 2);
						ofNoFill();
					}

				}
				ofEndShape();
			}

		}
	}

	this->cam.end();

	/*
	int start = 25;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetWindowTitle("openFrameworks");

ofSetFrameRate(25);

ofBackground(39);

ofSetColor(255);

ofNoFill();

ofSetLineWidth(1);

this->font_size = 60;

this->font.loadFont("fonts/msgothic.ttc", this->font_size, true, true, true);

this->charactor_list = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'};

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

int sample_count = 200;

for (int x = -360; x <= 360 ; x += 72) {

for (int y = -288; y <= 288; y += 72) {

int frame_param = ofGetFrameNum() * 8;

int charactor_index = 0;

charactor_index = (charactor_index + frame_param / sample_count) % this->charactor_list.size();

ofPath path = this->font.getCharacterAsPoints(this->charactor_list[charactor_index], true, false);

vector<ofPolyline> outline = path.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();

ofBeginShape();

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

glm::vec3 vertex = glm::vec3(x + 18, y + 27 , 0) + glm::vec3(vertices[vertices_index].x, vertices[vertices_index].y, vertices[vertices_index].z);

if (frame_param % (sample_count * 2) < sample_count) {

if (vertices_index < frame_param % sample_count) {

ofVertex(vertex);

}

else {

if (vertices_index > frame_param % sample_count) {

ofVertex(vertex);

}

if (vertices_index == frame_param % sample_count) {

ofFill();

ofDrawSphere(vertex, 2);

ofNoFill();

}

ofEndShape();

}

this->cam.end();

int start = 25;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20231222

2023年12月21日

Draw characters.

[ Video ]

[ About ]
文字を描く。

[ 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;
	int font_size;
	vector<char> charactor_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) {};

ofEasyCam cam;

ofTrueTypeFont font;

int font_size;

vector<char> charactor_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(0);
	ofNoFill();
	ofSetLineWidth(2);

	this->font_size = 60;
	this->font.loadFont("fonts/msgothic.ttc", this->font_size, true, true, true);

	this->charactor_list = { 'A', 'B', 'C', 'D', 'E'};
}

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

	ofSeedRandom(39);
}

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

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

	int sample_count = 180;

	for (int x = -360; x <= 360 ; x += 72) {

		for (int y = -288; y <= 288; y += 72) {

			ofPath path = this->font.getCharacterAsPoints(this->charactor_list[(int)ofRandom(this->charactor_list.size())], true, false);
			vector<ofPolyline> outline = path.getOutline();
			int frame_param = (x + 360) * -0.25 + ofGetFrameNum() * 6;
			 
			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();

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

					glm::vec3 vertex = glm::vec3(x + 18, y + 27 , 0) + glm::vec3(vertices[vertices_index].x, vertices[vertices_index].y, vertices[vertices_index].z);

					if (frame_param % (sample_count * 2) < sample_count) {

						if (vertices_index < frame_param % sample_count) {

							ofVertex(vertex);
						}
					}
					else {

						if (vertices_index > frame_param % sample_count) {

							ofVertex(vertex);
						}
					}

					if (vertices_index == frame_param % sample_count) {

						ofFill();
						ofDrawSphere(vertex, 3);
						ofNoFill();
					}

				}
				ofEndShape();
			}

		}
	}

	this->cam.end();

	/*
	int start = 280;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetWindowTitle("openFrameworks");

ofSetFrameRate(25);

ofBackground(239);

ofSetColor(0);

ofNoFill();

ofSetLineWidth(2);

this->font_size = 60;

this->font.loadFont("fonts/msgothic.ttc", this->font_size, true, true, true);

this->charactor_list = { 'A', 'B', 'C', 'D', 'E'};

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

int sample_count = 180;

for (int x = -360; x <= 360 ; x += 72) {

for (int y = -288; y <= 288; y += 72) {

ofPath path = this->font.getCharacterAsPoints(this->charactor_list[(int)ofRandom(this->charactor_list.size())], true, false);

vector<ofPolyline> outline = path.getOutline();

int frame_param = (x + 360) * -0.25 + ofGetFrameNum() * 6;

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();

ofBeginShape();

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

glm::vec3 vertex = glm::vec3(x + 18, y + 27 , 0) + glm::vec3(vertices[vertices_index].x, vertices[vertices_index].y, vertices[vertices_index].z);

if (frame_param % (sample_count * 2) < sample_count) {

if (vertices_index < frame_param % sample_count) {

ofVertex(vertex);

}

else {

if (vertices_index > frame_param % sample_count) {

ofVertex(vertex);

}

if (vertices_index == frame_param % sample_count) {

ofFill();

ofDrawSphere(vertex, 3);

ofNoFill();

}

ofEndShape();

}

this->cam.end();

int start = 280;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20231221

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