openFrameworks – ページ 150 – プログラミング de 落描き

2024年11月10日

Lay out hexagons.

[ Video ]

[ About ]
六角形を敷き詰める。

[ 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 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) {};
};

#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 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) {};

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetColor(39);

	ofNoFill();
	ofSetLineWidth(2);
}

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

	ofSeedRandom(39);
}

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

	auto radius = 24;
	auto x_span = radius * sqrt(3);
	auto flg = true;

	auto x_seed = ofRandom(1000);
	auto y_seed = ofRandom(1000);
	
	for (float y = 0; y <= 720 + radius; y += radius * 1.5) {

		for (float x = 0; x <= 720 + radius; x += x_span) {

			glm::vec3 location;
			if (flg) {

				location = glm::vec3(x, y, 0);
			}
			else {

				location = glm::vec3(x + (x_span / 2), y, 0);
			}

			auto deg_start = ofMap(ofNoise(location.x * 0.05, location.y * 0.05, ofGetFrameNum() * 0.02, x_seed), 0, 1, 0, 360);
			auto deg_len = ofMap(ofNoise(location.x * 0.05, location.y * 0.05, ofGetFrameNum() * 0.02, y_seed), 0, 1, -60, 360 + 120);
			auto deg_end = deg_start + deg_len;

			if (deg_len < 0) { continue; }

			ofPushMatrix();
			ofTranslate(location);
			ofRotate(90);

			ofBeginShape();
			for (int deg = deg_start; deg <= deg_end; deg += 1) {

				int draw_radius = radius * 0.8;
				int param = deg % 60;

				glm::vec2 location;
				if (param == 0) {

					location = glm::vec2(draw_radius * cos(deg * DEG_TO_RAD), draw_radius * sin(deg * DEG_TO_RAD));
				}
				else {

					int p1 = deg / 60;
					int p2 = p1 + 1;

					auto p1_deg = p1 * 60;
					auto p2_deg = p2 * 60;

					auto source = glm::vec2(draw_radius * cos(p1_deg * DEG_TO_RAD), draw_radius * sin(p1_deg * DEG_TO_RAD));
					auto target = glm::vec2(draw_radius * cos(p2_deg * DEG_TO_RAD), draw_radius * sin(p2_deg * DEG_TO_RAD));

					location = source + ((target - source) / 60 * param);
				}

				ofVertex(location);
			}
			ofEndShape(false);

			ofPopMatrix();
		}
		flg = !flg;
	}

	/*
	int start = 50;
	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() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofNoFill();

ofSetLineWidth(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

auto radius = 24;

auto x_span = radius * sqrt(3);

auto flg = true;

auto x_seed = ofRandom(1000);

auto y_seed = ofRandom(1000);

for (float y = 0; y <= 720 + radius; y += radius * 1.5) {

for (float x = 0; x <= 720 + radius; x += x_span) {

glm::vec3 location;

if (flg) {

location = glm::vec3(x, y, 0);

}

else {

location = glm::vec3(x + (x_span / 2), y, 0);

}

auto deg_start = ofMap(ofNoise(location.x * 0.05, location.y * 0.05, ofGetFrameNum() * 0.02, x_seed), 0, 1, 0, 360);

auto deg_len = ofMap(ofNoise(location.x * 0.05, location.y * 0.05, ofGetFrameNum() * 0.02, y_seed), 0, 1, -60, 360 + 120);

auto deg_end = deg_start + deg_len;

if (deg_len < 0) { continue; }

ofPushMatrix();

ofTranslate(location);

ofRotate(90);

ofBeginShape();

for (int deg = deg_start; deg <= deg_end; deg += 1) {

int draw_radius = radius * 0.8;

int param = deg % 60;

glm::vec2 location;

if (param == 0) {

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

}

else {

int p1 = deg / 60;

int p2 = p1 + 1;

auto p1_deg = p1 * 60;

auto p2_deg = p2 * 60;

auto source = glm::vec2(draw_radius * cos(p1_deg * DEG_TO_RAD), draw_radius * sin(p1_deg * DEG_TO_RAD));

auto target = glm::vec2(draw_radius * cos(p2_deg * DEG_TO_RAD), draw_radius * sin(p2_deg * DEG_TO_RAD));

location = source + ((target - source) / 60 * param);

}

ofVertex(location);

}

ofEndShape(false);

ofPopMatrix();

}

flg = !flg;

}

int start = 50;

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/Insta20241110

2024年11月9日

Text Generator.

[ Video ]

[ About ]
テキスト生成器。

[ 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<vector<glm::vec2>> log_list;
	vector<glm::vec2> velocity_list;
	vector<float> noise_seed_list;
	vector<int> index_list;

	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) {};

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

vector<glm::vec2> velocity_list;

vector<float> noise_seed_list;

vector<int> index_list;

ofTrueTypeFont font;

int font_size;

vector<char> charactor_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openframeworks");

	ofBackground(39);

	this->font_size = 50;
	this->font.loadFont("fonts/msgothic.ttc", this->font_size, true, true, true);

	this->charactor_list = { ';', ')', '(', 'y', 'g', 'o', 'l', 'o', 'h', 't', 'n', 'a' };
}

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

	float radius = 280;
	for (int i = 0; i < 3; i++) {

		int deg = ofGetFrameNum() * 2 + i * 120;
		int next_deg = ofGetFrameNum() * 2 + i * 120 + 1;

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

		if (ofGetFrameNum() % 2 == 0) {

			vector<glm::vec2> log;
			log.push_back(location);
			this->log_list.push_back(log);

			auto deg = glm::atan(next.y - location.y, next.x - location.x) * RAD_TO_DEG + 180 + ofRandom(-30, 30);
			glm::vec2 velocity = glm::vec2(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD));
			this->velocity_list.push_back(velocity);

			this->noise_seed_list.push_back(ofRandom(1000));

			this->index_list.push_back((ofGetFrameNum() / 2) % this->charactor_list.size());
		}
	}

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

		auto future = this->velocity_list[i] * 200;
		auto random_deg = ofMap(ofNoise(glm::vec2(this->noise_seed_list[i], ofGetFrameNum() * 0.01)), 0, 1, -30, 30);
		future += glm::vec2(10 * cos(random_deg * DEG_TO_RAD), 10 * sin(random_deg * DEG_TO_RAD));

		auto next = this->log_list[i].back() + glm::normalize(future) * 10;
		this->log_list[i].push_back(next);

		if (this->log_list[i].size() > 50) {

			this->log_list.erase(this->log_list.begin() + i);
			this->velocity_list.erase(this->velocity_list.begin() + i);
			this->noise_seed_list.erase(this->noise_seed_list.begin() + i);
			this->index_list.erase(this->index_list.begin() + i);
		}
	}
}

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

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

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

		ofPushMatrix();
		ofTranslate(this->log_list[i].back());

		auto rad = atan2(this->velocity_list[i].y, this->velocity_list[i].x);
		ofRotate(rad * RAD_TO_DEG + 270);
		
		ofPath path = this->font.getCharacterAsPoints(this->charactor_list[this->index_list[i]], true, false);
		vector<ofPolyline> outline = path.getOutline();

		ofFill();
		ofSetColor(this->log_list[i].size() < 10 ? 255 : ofMap(this->log_list[i].size(), 10, 50, 255, 39));
		ofBeginShape();
		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			if (outline_index != 0) { ofNextContour(true); }

			auto vertices = outline[outline_index].getResampledByCount(200).getVertices();
			for (auto& vertex : vertices) {

				auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * -0.5, 330);
				ofVertex(location);
			}
		}
		ofEndShape(true);


		ofPopMatrix();
	}

	/*
	int start = 50;
	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() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(39);

this->font_size = 50;

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

this->charactor_list = { ';', ')', '(', 'y', 'g', 'o', 'l', 'o', 'h', 't', 'n', 'a' };

}

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

void ofApp::update() {

float radius = 280;

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

int deg = ofGetFrameNum() * 2 + i * 120;

int next_deg = ofGetFrameNum() * 2 + i * 120 + 1;

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

auto next = glm::vec2(radius * cos(next_deg * DEG_TO_RAD), radius * sin(next_deg * DEG_TO_RAD));

if (ofGetFrameNum() % 2 == 0) {

vector<glm::vec2> log;

log.push_back(location);

this->log_list.push_back(log);

auto deg = glm::atan(next.y - location.y, next.x - location.x) * RAD_TO_DEG + 180 + ofRandom(-30, 30);

glm::vec2 velocity = glm::vec2(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD));

this->velocity_list.push_back(velocity);

this->noise_seed_list.push_back(ofRandom(1000));

this->index_list.push_back((ofGetFrameNum() / 2) % this->charactor_list.size());

}

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

auto future = this->velocity_list[i] * 200;

auto random_deg = ofMap(ofNoise(glm::vec2(this->noise_seed_list[i], ofGetFrameNum() * 0.01)), 0, 1, -30, 30);

future += glm::vec2(10 * cos(random_deg * DEG_TO_RAD), 10 * sin(random_deg * DEG_TO_RAD));

auto next = this->log_list[i].back() + glm::normalize(future) * 10;

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

if (this->log_list[i].size() > 50) {

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

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

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

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

}

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

void ofApp::draw() {

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

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

ofPushMatrix();

ofTranslate(this->log_list[i].back());

auto rad = atan2(this->velocity_list[i].y, this->velocity_list[i].x);

ofRotate(rad * RAD_TO_DEG + 270);

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

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

ofFill();

ofSetColor(this->log_list[i].size() < 10 ? 255 : ofMap(this->log_list[i].size(), 10, 50, 255, 39));

ofBeginShape();

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

if (outline_index != 0) { ofNextContour(true); }

auto vertices = outline[outline_index].getResampledByCount(200).getVertices();

for (auto& vertex : vertices) {

auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * -0.5, 330);

ofVertex(location);

}

ofEndShape(true);

ofPopMatrix();

}

int start = 50;

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/Insta20241109

2024年11月8日2024年11月9日

anthology();

[ Video ]

[ About ]
anthology();

[ 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);
	ofSetLineWidth(2);

	this->font_size = 50;
	this->font.loadFont("fonts/msgothic.ttc", this->font_size, true, true, true);

	this->charactor_list = { 'a', 'n', 't', 'h', 'o', 'l', 'o', 'g', 'y', '(', ')', ';'};
}

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

	ofSeedRandom(39);
}

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

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

	int sample_count = 180;

	for (int x = -360; x <= 360; x += 60) {

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

			ofPath path = this->font.getCharacterAsPoints(this->charactor_list[(x + 360) / 60], true, false);
			vector<ofPolyline> outline = path.getOutline();
			int frame_param = (x + 360) * -0.25 + (y + 288) * -2 + ofGetFrameNum() * 6 + 15000;

			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 = 250;
	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);

ofSetLineWidth(2);

this->font_size = 50;

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

this->charactor_list = { 'a', 'n', 't', 'h', 'o', 'l', 'o', 'g', 'y', '(', ')', ';'};

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

int sample_count = 180;

for (int x = -360; x <= 360; x += 60) {

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

ofPath path = this->font.getCharacterAsPoints(this->charactor_list[(x + 360) / 60], true, false);

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

int frame_param = (x + 360) * -0.25 + (y + 288) * -2 + ofGetFrameNum() * 6 + 15000;

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 = 250;

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/Insta20241108

2026年1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	31