2025年8月 – ページ 3 – プログラミング de 落描き

2025年8月24日

Ring on sphere.

[ Video ]

[ About ]
球体の上のリング。

[ 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;
	ofMesh face, frame;
};

#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;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

	this->face.clear();
	this->frame.clear();

	int radius = 250;
	float phi_deg_step = 3;
	float theta_deg_step = 2;

	for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

		for (float deg_start = 15; deg_start < 180; deg_start += 15) {

			for (float theta_deg = deg_start; theta_deg < deg_start + theta_deg_step; theta_deg += theta_deg_step) {

				auto index = this->face.getNumVertices();
				vector<glm::vec3> vertices;

				vertices.push_back(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

				for (auto& vertex : vertices) {

					auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(theta_deg, ofGetFrameNum() * 0.0005), 0, 1, -360, 360) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));
					auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(theta_deg, ofGetFrameNum() * 0.0005), 0, 1, -360, 360) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
					auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(theta_deg, ofGetFrameNum() * 0.0005), 0, 1, -360, 360) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

					vertex = glm::vec4(vertex, 0) * rotation_z * rotation_y * rotation_x;
				}

				this->face.addVertices(vertices);
				this->frame.addVertices(vertices);

				this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 3);
				this->face.addIndex(index + 0); this->face.addIndex(index + 3); this->face.addIndex(index + 2);

				this->frame.addIndex(index + 0); this->frame.addIndex(index + 1);
				this->frame.addIndex(index + 3); this->frame.addIndex(index + 2);

				for (int i = index; i < this->face.getNumVertices(); i++) {

					this->face.addColor(ofColor(39));
					this->frame.addColor(ofColor(39, 39, 239));
				}
			}
		}
	}
}

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

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

	this->face.draw();
	this->frame.draw();

	this->cam.end();

	/*
	int start = 200;
	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);

ofSetLineWidth(2);

ofEnableDepthTest();

this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

}

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

void ofApp::update() {

this->face.clear();

this->frame.clear();

int radius = 250;

float phi_deg_step = 3;

float theta_deg_step = 2;

for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

for (float deg_start = 15; deg_start < 180; deg_start += 15) {

for (float theta_deg = deg_start; theta_deg < deg_start + theta_deg_step; theta_deg += theta_deg_step) {

auto index = this->face.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

for (auto& vertex : vertices) {

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(theta_deg, ofGetFrameNum() * 0.0005), 0, 1, -360, 360) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(theta_deg, ofGetFrameNum() * 0.0005), 0, 1, -360, 360) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(theta_deg, ofGetFrameNum() * 0.0005), 0, 1, -360, 360) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

vertex = glm::vec4(vertex, 0) * rotation_z * rotation_y * rotation_x;

}

this->face.addVertices(vertices);

this->frame.addVertices(vertices);

this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 3);

this->face.addIndex(index + 0); this->face.addIndex(index + 3); this->face.addIndex(index + 2);

this->frame.addIndex(index + 0); this->frame.addIndex(index + 1);

this->frame.addIndex(index + 3); this->frame.addIndex(index + 2);

for (int i = index; i < this->face.getNumVertices(); i++) {

this->face.addColor(ofColor(39));

this->frame.addColor(ofColor(39, 39, 239));

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.44);

this->face.draw();

this->frame.draw();

this->cam.end();

int start = 200;

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/Insta20250824

2025年8月23日

Criss cross line.

[ Video ]

[ About ]
交差する十字。

[ 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) {};
};

#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(39);
	ofSetColor(239);
	ofSetLineWidth(2);
}

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

}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	for (int x = -300; x <= 300; x += 30) {

		for (int y = -300; y <= 300; y += 30) {

			ofPushMatrix();
			ofTranslate(x, y);

			auto noise_value = ofNoise(x * 0.005, y * 0.005 + ofGetFrameNum() * 0.02);
			noise_value = noise_value < 0.4 ? 0 :
				noise_value > 0.6 ? 1 :
				ofMap(noise_value, 0.4, 0.6, 0, 1);
			auto radius = ofMap(noise_value, 0, 1, 1, 18);

			vector<glm::vec2> vertices;
			vertices.push_back(glm::vec2(radius * cos(0 * DEG_TO_RAD), radius * sin(0 * DEG_TO_RAD)));
			vertices.push_back(glm::vec2(radius * cos(180 * DEG_TO_RAD), radius * sin(180 * DEG_TO_RAD)));
			vertices.push_back(glm::vec2(radius * cos(90* DEG_TO_RAD), radius * sin(90 * DEG_TO_RAD)));
			vertices.push_back(glm::vec2(radius * cos(270 * DEG_TO_RAD), radius * sin(270 * DEG_TO_RAD)));

			ofDrawLine(vertices[0], vertices[1]);
			ofDrawLine(vertices[2], vertices[3]);

			ofPopMatrix();
		}
	}

	/*
	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());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetColor(239);

ofSetLineWidth(2);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

for (int x = -300; x <= 300; x += 30) {

for (int y = -300; y <= 300; y += 30) {

ofPushMatrix();

ofTranslate(x, y);

auto noise_value = ofNoise(x * 0.005, y * 0.005 + ofGetFrameNum() * 0.02);

noise_value = noise_value < 0.4 ? 0 :

noise_value > 0.6 ? 1 :

ofMap(noise_value, 0.4, 0.6, 0, 1);

auto radius = ofMap(noise_value, 0, 1, 1, 18);

vector<glm::vec2> vertices;

vertices.push_back(glm::vec2(radius * cos(0 * DEG_TO_RAD), radius * sin(0 * DEG_TO_RAD)));

vertices.push_back(glm::vec2(radius * cos(180 * DEG_TO_RAD), radius * sin(180 * DEG_TO_RAD)));

vertices.push_back(glm::vec2(radius * cos(90* DEG_TO_RAD), radius * sin(90 * DEG_TO_RAD)));

vertices.push_back(glm::vec2(radius * cos(270 * DEG_TO_RAD), radius * sin(270 * DEG_TO_RAD)));

ofDrawLine(vertices[0], vertices[1]);

ofDrawLine(vertices[2], vertices[3]);

ofPopMatrix();

}

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/Insta20250823

2025年8月22日2025年8月22日

Changing grid.

[ Video ]

[ About ]
動くマス目。

[ 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) {};
};

#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);
	ofSetLineWidth(2);
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	for (int x = -300; x <= 300; x += 25) {

		for (int y = -300; y <= 300; y += 25) {

			ofPushMatrix();
			ofTranslate(x, y);

			auto noise_value = ofNoise(x * 0.01, y * 0.01, ofGetFrameNum() * 0.02);
			noise_value = noise_value < 0.47 ? 0 :
				noise_value > 0.53 ? 1 :
				ofMap(noise_value, 0.47, 0.53, 0, 1);
			auto radius = ofMap(noise_value, 0, 1, 5, 25);

			vector<glm::vec2> vertices;
			vertices.push_back(glm::vec2(radius * cos(0 * DEG_TO_RAD), radius * sin(0 * DEG_TO_RAD)));
			vertices.push_back(glm::vec2(radius * cos(180 * DEG_TO_RAD), radius * sin(180 * DEG_TO_RAD)));
			vertices.push_back(glm::vec2(radius * cos(90* DEG_TO_RAD), radius * sin(90 * DEG_TO_RAD)));
			vertices.push_back(glm::vec2(radius * cos(270 * DEG_TO_RAD), radius * sin(270 * DEG_TO_RAD)));

			ofDrawLine(vertices[0], vertices[1]);
			ofDrawLine(vertices[2], vertices[3]);

			ofPopMatrix();
		}
	}

	/*
	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());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

for (int x = -300; x <= 300; x += 25) {

for (int y = -300; y <= 300; y += 25) {

ofPushMatrix();

ofTranslate(x, y);

auto noise_value = ofNoise(x * 0.01, y * 0.01, ofGetFrameNum() * 0.02);

noise_value = noise_value < 0.47 ? 0 :

noise_value > 0.53 ? 1 :

ofMap(noise_value, 0.47, 0.53, 0, 1);

auto radius = ofMap(noise_value, 0, 1, 5, 25);

vector<glm::vec2> vertices;

vertices.push_back(glm::vec2(radius * cos(0 * DEG_TO_RAD), radius * sin(0 * DEG_TO_RAD)));

vertices.push_back(glm::vec2(radius * cos(180 * DEG_TO_RAD), radius * sin(180 * DEG_TO_RAD)));

vertices.push_back(glm::vec2(radius * cos(90* DEG_TO_RAD), radius * sin(90 * DEG_TO_RAD)));

vertices.push_back(glm::vec2(radius * cos(270 * DEG_TO_RAD), radius * sin(270 * DEG_TO_RAD)));

ofDrawLine(vertices[0], vertices[1]);

ofDrawLine(vertices[2], vertices[3]);

ofPopMatrix();

}

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/Insta20250822

2025年8月
月	火	水	木	金	土	日
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