junkiyoshi – ページ 21 – プログラミング de 落描き

2025年9月5日

Alphabet Box.

[ Video ]

[ About ]
アルファベット箱。

[ 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) {};

	ofEasyCam cam;
	ofTrueTypeFont font;
};

#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) {};

ofEasyCam cam;

ofTrueTypeFont font;

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);
}

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

	string word = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 1.44);

	ofNoFill();
	auto len = 200;
	for (int i = 0; i < 8; i++) {

		if (i < 4) {

			ofRotateX(90);
		}
		else if (i < 5) {

			ofRotateY(90);
		}
		else {

			ofRotateY(180);
		}

		for (int k = 0; k < 70; k++) {

			auto location = glm::vec3(ofRandom(-len * 0.5, len * 0.5), ofRandom(-len * 0.5, len * 0.5), len * 0.5);
			auto radius = (int)(ofRandom(1000) + ofGetFrameNum()) % 180 - 120;

			auto angle = ofRandom(-PI * 2, PI * 2);
			auto rotation = glm::rotate(glm::mat4(), angle, glm::vec3(0, 0, 1));

			if (radius > 0) {

				ofPath chara_path = this->font.getCharacterAsPoints(word[k % word.size()], true, false);
				vector<ofPolyline> outline = chara_path.getOutline();

				ofSetColor(0, radius > 20 ? ofMap(radius, 20, 60, 255, 0) : 255);

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

					ofNextContour(true);

					outline[outline_index] = outline[outline_index].getResampledByCount(120);
					vector<glm::vec3> vertices = outline[outline_index].getVertices();

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

						glm::vec3 vertex = location + glm::vec4(((vertices[vertices_index] - glm::vec2(25, -25)) / 50) * (radius > 30 ? 30 : radius), 0) * rotation;

						if (vertex.y > len * 0.5) { vertex.y = len * 0.5; }
						if (vertex.y < -len * 0.5) { vertex.y = -len * 0.5; }
						if (vertex.x > len * 0.5) { vertex.x = len * 0.5; }
						if (vertex.x < -len * 0.5) { vertex.x = -len * 0.5; }

						ofVertex(vertex);
					}
				}
				ofEndShape(true);
			}
		}
	}

	ofSetColor(39);
	ofDrawBox(200);

	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() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

string word = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.44);

ofNoFill();

auto len = 200;

for (int i = 0; i < 8; i++) {

if (i < 4) {

ofRotateX(90);

}

else if (i < 5) {

ofRotateY(90);

}

else {

ofRotateY(180);

}

for (int k = 0; k < 70; k++) {

auto location = glm::vec3(ofRandom(-len * 0.5, len * 0.5), ofRandom(-len * 0.5, len * 0.5), len * 0.5);

auto radius = (int)(ofRandom(1000) + ofGetFrameNum()) % 180 - 120;

auto angle = ofRandom(-PI * 2, PI * 2);

auto rotation = glm::rotate(glm::mat4(), angle, glm::vec3(0, 0, 1));

if (radius > 0) {

ofPath chara_path = this->font.getCharacterAsPoints(word[k % word.size()], true, false);

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

ofSetColor(0, radius > 20 ? ofMap(radius, 20, 60, 255, 0) : 255);

ofNoFill();

ofBeginShape();

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

ofNextContour(true);

outline[outline_index] = outline[outline_index].getResampledByCount(120);

vector<glm::vec3> vertices = outline[outline_index].getVertices();

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

glm::vec3 vertex = location + glm::vec4(((vertices[vertices_index] - glm::vec2(25, -25)) / 50) * (radius > 30 ? 30 : radius), 0) * rotation;

if (vertex.y > len * 0.5) { vertex.y = len * 0.5; }

if (vertex.y < -len * 0.5) { vertex.y = -len * 0.5; }

if (vertex.x > len * 0.5) { vertex.x = len * 0.5; }

if (vertex.x < -len * 0.5) { vertex.x = -len * 0.5; }

ofVertex(vertex);

}

ofEndShape(true);

}

ofSetColor(39);

ofDrawBox(200);

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/Insta20250905

2025年9月4日

Flimsy box.

[ Video ]

[ About ]
やわな箱。

[ 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) {};

	glm::vec2 make_point(int len, int param);

	ofEasyCam cam;
};

#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) {};

glm::vec2 make_point(int len, int param);

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetLineWidth(3);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(ofGetFrameNum() * 0.72);
	ofRotateY(ofGetFrameNum() * 0.36);

	ofSetColor(255);

	float span = 50;
	for (int i = 0; i < 6; i++) {

		for (float x = -100; x <= 100; x += span) {

			for (float y = -100; y <= 100; y += span) {

				ofPushMatrix();

				if (i <= 3) {

					ofRotateX(i * 90);
				}
				else {

					i == 5 ? ofRotateY(90) : ofRotateY(270);
				}
				ofTranslate(x, y, 100 + 25);

				auto noise_value = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.005);
				auto start_param = noise_value < 0.51 ? (noise_value < 0.49 ? 0 : ofMap(noise_value, 0.49, 0.51, 0, 25)) : 25;

				auto start = this->make_point(span, start_param);
				auto end = this->make_point(span, start_param + 50);

				ofDrawLine(start, end);
				ofDrawSphere(glm::vec3(start, 0), 5);
				ofDrawSphere(glm::vec3(end, 0), 5);

				ofPopMatrix();
			}
		}
	}

	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);
		}
	}
	*/
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

//--------------------------------------------------------------
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);

ofSetLineWidth(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(ofGetFrameNum() * 0.72);

ofRotateY(ofGetFrameNum() * 0.36);

ofSetColor(255);

float span = 50;

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

for (float x = -100; x <= 100; x += span) {

for (float y = -100; y <= 100; y += span) {

ofPushMatrix();

if (i <= 3) {

ofRotateX(i * 90);

}

else {

i == 5 ? ofRotateY(90) : ofRotateY(270);

}

ofTranslate(x, y, 100 + 25);

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

auto start_param = noise_value < 0.51 ? (noise_value < 0.49 ? 0 : ofMap(noise_value, 0.49, 0.51, 0, 25)) : 25;

auto start = this->make_point(span, start_param);

auto end = this->make_point(span, start_param + 50);

ofDrawLine(start, end);

ofDrawSphere(glm::vec3(start, 0), 5);

ofDrawSphere(glm::vec3(end, 0), 5);

ofPopMatrix();

}

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);

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250904

2025年9月3日

Switching box.

[ Video ]

[ About ]
スイッチ箱。

[ 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) {};

	glm::vec2 make_point(int len, int param);

	ofEasyCam cam;
};

#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) {};

glm::vec2 make_point(int len, int param);

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(3);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(ofGetFrameNum() * 0.72);
	ofRotateY(ofGetFrameNum() * 0.36);

	this->cam.setPosition(glm::vec3(0, 0, 100));

	ofSetColor(39);

	int span = 10;
	for (int i = 0; i < 6; i++) {

		for (auto x = -100; x <= 100; x += span) {

			for (int y = -100; y <= 100; y += span) {

				ofPushMatrix();

				if (i <= 3) {

					ofRotateX(i * 90);
				}
				else {

					i == 5 ? ofRotateY(90) : ofRotateY(270);
				}
				ofTranslate(x, y, 105);

				auto noise_value = ofNoise(ofRandom(1000), ofGetFrameNum() * 0.003);
				auto start_param = noise_value < 0.5 ? (noise_value < 0.45 ? 0 : ofMap(noise_value, 0.45, 0.5, 0, 25)) : 25;

				auto start = this->make_point(span, start_param);
				auto end = this->make_point(span, start_param + 50);

				ofDrawLine(start, end);
				ofDrawSphere(glm::vec3(start, 0), 1.5);
				ofDrawSphere(glm::vec3(end, 0), 1.5);

				ofPopMatrix();
			}
		}
	}

	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);
		}
	}
	*/
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

//--------------------------------------------------------------
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);

ofSetLineWidth(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(ofGetFrameNum() * 0.72);

ofRotateY(ofGetFrameNum() * 0.36);

this->cam.setPosition(glm::vec3(0, 0, 100));

ofSetColor(39);

int span = 10;

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

for (auto x = -100; x <= 100; x += span) {

for (int y = -100; y <= 100; y += span) {

ofPushMatrix();

if (i <= 3) {

ofRotateX(i * 90);

}

else {

i == 5 ? ofRotateY(90) : ofRotateY(270);

}

ofTranslate(x, y, 105);

auto noise_value = ofNoise(ofRandom(1000), ofGetFrameNum() * 0.003);

auto start_param = noise_value < 0.5 ? (noise_value < 0.45 ? 0 : ofMap(noise_value, 0.45, 0.5, 0, 25)) : 25;

auto start = this->make_point(span, start_param);

auto end = this->make_point(span, start_param + 50);

ofDrawLine(start, end);

ofDrawSphere(glm::vec3(start, 0), 1.5);

ofDrawSphere(glm::vec3(end, 0), 1.5);

ofPopMatrix();

}

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);

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250903

2025年11月
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