プログラミング de 落描き – ページ 2 – クリエイティブ・コーディングによる生成物とソース

2025年10月7日

Lines group.

[ Video ]

[ About ]
ライングループ。

[ 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;
	ofMesh line;
};

#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 line;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);

	this->line.clear();

	auto log = 35;
	for (int k = 0; k < 2; k++) {

		auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
		auto base_noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
		auto base_radius_seed = ofRandom(1000);

		for (int deg = 0; deg < 360; deg += 45) {

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

				int line_index = this->line.getNumVertices();

				auto base_radius = ofMap(ofNoise(base_radius_seed, (ofGetFrameNum() + i) * 0.01), 0, 1, 50, 450);
				auto len = ofMap(base_radius, 50, 450, 5, 40);

				auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + i) * -0.0065), 0, 1, -PI * 3, PI * 3), glm::vec3(1, 0, 0));
				auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + i) * -0.0065), 0, 1, -PI * 3, PI * 3), glm::vec3(0, 1, 0));
				auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.z, (ofGetFrameNum() + i) * -0.0065), 0, 1, -PI * 3, PI * 3), glm::vec3(0, 0, 1));

				auto base_rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum() + i) * -0.0035), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));
				auto base_rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum() + i) * -0.0035), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0));
				auto base_rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(base_noise_seed.z, (ofGetFrameNum() + i) * -0.0035), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 0, 1));

				vector<glm::vec3> vertices;
				vertices.push_back(glm::vec3(len * -0.5, len * 0.5, len * -0.5));
				vertices.push_back(glm::vec3(len * 0.5, len * 0.5, len * -0.5));
				vertices.push_back(glm::vec3(len * 0.5, len * 0.5, len * 0.5));
				vertices.push_back(glm::vec3(len * -0.5, len * 0.5, len * 0.5));

				vertices.push_back(glm::vec3(len * -0.5, len * -0.5, len * -0.5));
				vertices.push_back(glm::vec3(len * 0.5, len * -0.5, len * -0.5));
				vertices.push_back(glm::vec3(len * 0.5, len * -0.5, len * 0.5));
				vertices.push_back(glm::vec3(len * -0.5, len * -0.5, len * 0.5));

				auto base_location = glm::vec3(base_radius * cos(deg * DEG_TO_RAD), base_radius * sin(deg * DEG_TO_RAD), 0);

				for (auto& vertex : vertices) {

					vertex = glm::vec4(base_location, 0) * base_rotation_z * base_rotation_y * base_rotation_x + glm::vec4(vertex, 0) * rotation_z * rotation_y * rotation_x;
				}

				this->line.addVertices(vertices);

				ofColor color = ofColor(ofMap(i, 0, log, 239, 39));
				for (int i = 0; i < vertices.size(); i++) {

					this->line.addColor(color);
				}

				if (line_index > 0 && i > 0) {

					this->line.addIndex(line_index - 8); this->line.addIndex(line_index + 0);
					this->line.addIndex(line_index - 7); this->line.addIndex(line_index + 1);
					this->line.addIndex(line_index - 6); this->line.addIndex(line_index + 2);
					this->line.addIndex(line_index - 5); this->line.addIndex(line_index + 3);

					this->line.addIndex(line_index - 4); this->line.addIndex(line_index + 4);
					this->line.addIndex(line_index - 3); this->line.addIndex(line_index + 5);
					this->line.addIndex(line_index - 2); this->line.addIndex(line_index + 6);
					this->line.addIndex(line_index - 1); this->line.addIndex(line_index + 7);
				}
			}
		}
	}
}

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

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

	this->line.draw();

	this->cam.end();

	/*
	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);

ofSetLineWidth(1.5);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->line.clear();

auto log = 35;

for (int k = 0; k < 2; k++) {

auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

auto base_noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

auto base_radius_seed = ofRandom(1000);

for (int deg = 0; deg < 360; deg += 45) {

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

int line_index = this->line.getNumVertices();

auto base_radius = ofMap(ofNoise(base_radius_seed, (ofGetFrameNum() + i) * 0.01), 0, 1, 50, 450);

auto len = ofMap(base_radius, 50, 450, 5, 40);

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + i) * -0.0065), 0, 1, -PI * 3, PI * 3), glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + i) * -0.0065), 0, 1, -PI * 3, PI * 3), glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.z, (ofGetFrameNum() + i) * -0.0065), 0, 1, -PI * 3, PI * 3), glm::vec3(0, 0, 1));

auto base_rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum() + i) * -0.0035), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));

auto base_rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum() + i) * -0.0035), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0));

auto base_rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(base_noise_seed.z, (ofGetFrameNum() + i) * -0.0035), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 0, 1));

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(len * -0.5, len * 0.5, len * -0.5));

vertices.push_back(glm::vec3(len * 0.5, len * 0.5, len * -0.5));

vertices.push_back(glm::vec3(len * 0.5, len * 0.5, len * 0.5));

vertices.push_back(glm::vec3(len * -0.5, len * 0.5, len * 0.5));

vertices.push_back(glm::vec3(len * -0.5, len * -0.5, len * -0.5));

vertices.push_back(glm::vec3(len * 0.5, len * -0.5, len * -0.5));

vertices.push_back(glm::vec3(len * 0.5, len * -0.5, len * 0.5));

vertices.push_back(glm::vec3(len * -0.5, len * -0.5, len * 0.5));

auto base_location = glm::vec3(base_radius * cos(deg * DEG_TO_RAD), base_radius * sin(deg * DEG_TO_RAD), 0);

for (auto& vertex : vertices) {

vertex = glm::vec4(base_location, 0) * base_rotation_z * base_rotation_y * base_rotation_x + glm::vec4(vertex, 0) * rotation_z * rotation_y * rotation_x;

}

this->line.addVertices(vertices);

ofColor color = ofColor(ofMap(i, 0, log, 239, 39));

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

this->line.addColor(color);

}

if (line_index > 0 && i > 0) {

this->line.addIndex(line_index - 8); this->line.addIndex(line_index + 0);

this->line.addIndex(line_index - 7); this->line.addIndex(line_index + 1);

this->line.addIndex(line_index - 6); this->line.addIndex(line_index + 2);

this->line.addIndex(line_index - 5); this->line.addIndex(line_index + 3);

this->line.addIndex(line_index - 4); this->line.addIndex(line_index + 4);

this->line.addIndex(line_index - 3); this->line.addIndex(line_index + 5);

this->line.addIndex(line_index - 2); this->line.addIndex(line_index + 6);

this->line.addIndex(line_index - 1); this->line.addIndex(line_index + 7);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.44);

this->line.draw();

this->cam.end();

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/Insta20251007

2025年10月6日

RGB lines.

[ Video ]

[ About ]
３色ライン。

[ 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, line;
};

#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, line;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetLineWidth(3);
	ofEnableDepthTest();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(90);
	ofRotateZ(ofGetFrameNum() * 1.44);

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

	auto radius = 250;
	auto phi_len = 25;
	auto theta_deg_step = 0.25;
	ofColor color;

	auto noise_seed = ofRandom(1000);

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

		color.setHsb(ofMap(i, 0, 3, 0, 255), 255, 255);

		for (float theta_deg = 0; theta_deg < 180; theta_deg += theta_deg_step) {

			auto next_theta_deg = theta_deg + theta_deg_step;
			auto phi_deg = i * 40 + ofMap(ofNoise(noise_seed, theta_deg * 0.01 + ofGetFrameNum() * 0.01), 0, 1, -360 * 3, 360 * 3);
			auto next_phi_deg = i * 40 + ofMap(ofNoise(noise_seed, next_theta_deg * 0.01 + ofGetFrameNum() * 0.01), 0, 1, -360 * 3, 360 * 3);

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec3(
				radius * sin(theta_deg * DEG_TO_RAD) * cos((phi_deg - phi_len * 0.5) * DEG_TO_RAD),
				radius * sin(theta_deg * DEG_TO_RAD) * sin((phi_deg - phi_len * 0.5) * DEG_TO_RAD),
				radius * cos(theta_deg * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(
				radius * sin(theta_deg * DEG_TO_RAD) * cos((phi_deg + phi_len * 0.5) * DEG_TO_RAD),
				radius * sin(theta_deg * DEG_TO_RAD) * sin((phi_deg + phi_len * 0.5) * DEG_TO_RAD),
				radius * cos(theta_deg * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(
				radius * sin(next_theta_deg * DEG_TO_RAD) * cos((next_phi_deg + phi_len * 0.5) * DEG_TO_RAD),
				radius * sin(next_theta_deg * DEG_TO_RAD) * sin((next_phi_deg + phi_len * 0.5) * DEG_TO_RAD),
				radius * cos(next_theta_deg * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(
				radius * sin(next_theta_deg * DEG_TO_RAD) * cos((next_phi_deg - phi_len * 0.5) * DEG_TO_RAD),
				radius * sin(next_theta_deg * DEG_TO_RAD) * sin((next_phi_deg - phi_len * 0.5) * DEG_TO_RAD),
				radius * cos(next_theta_deg * DEG_TO_RAD)));

			this->face.addVertices(vertices);
			this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 2); this->face.addIndex(this->face.getNumVertices() - 3);
			this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 3); this->face.addIndex(this->face.getNumVertices() - 4);

			this->line.addVertices(vertices);
			this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 4);
			this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 3);

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

				this->face.addColor(ofColor(color, 128));
				this->line.addColor(color);
			}
		}
	}

	this->face.draw();
	this->line.drawWireframe();

	this->cam.end();

	/*
	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);

ofSetLineWidth(3);

ofEnableDepthTest();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(90);

ofRotateZ(ofGetFrameNum() * 1.44);

this->face.clear();

this->line.clear();

auto radius = 250;

auto phi_len = 25;

auto theta_deg_step = 0.25;

ofColor color;

auto noise_seed = ofRandom(1000);

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

color.setHsb(ofMap(i, 0, 3, 0, 255), 255, 255);

for (float theta_deg = 0; theta_deg < 180; theta_deg += theta_deg_step) {

auto next_theta_deg = theta_deg + theta_deg_step;

auto phi_deg = i * 40 + ofMap(ofNoise(noise_seed, theta_deg * 0.01 + ofGetFrameNum() * 0.01), 0, 1, -360 * 3, 360 * 3);

auto next_phi_deg = i * 40 + ofMap(ofNoise(noise_seed, next_theta_deg * 0.01 + ofGetFrameNum() * 0.01), 0, 1, -360 * 3, 360 * 3);

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

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

radius * sin(theta_deg * DEG_TO_RAD) * sin((phi_deg - phi_len * 0.5) * DEG_TO_RAD),

radius * cos(theta_deg * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

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

radius * sin(theta_deg * DEG_TO_RAD) * sin((phi_deg + phi_len * 0.5) * DEG_TO_RAD),

radius * cos(theta_deg * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin(next_theta_deg * DEG_TO_RAD) * cos((next_phi_deg + phi_len * 0.5) * DEG_TO_RAD),

radius * sin(next_theta_deg * DEG_TO_RAD) * sin((next_phi_deg + phi_len * 0.5) * DEG_TO_RAD),

radius * cos(next_theta_deg * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin(next_theta_deg * DEG_TO_RAD) * cos((next_phi_deg - phi_len * 0.5) * DEG_TO_RAD),

radius * sin(next_theta_deg * DEG_TO_RAD) * sin((next_phi_deg - phi_len * 0.5) * DEG_TO_RAD),

radius * cos(next_theta_deg * DEG_TO_RAD)));

this->face.addVertices(vertices);

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

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

this->line.addVertices(vertices);

this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 4);

this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 3);

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

this->face.addColor(ofColor(color, 128));

this->line.addColor(color);

}

this->face.draw();

this->line.drawWireframe();

this->cam.end();

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/Insta20251006

2025年10月5日

Rainbow sphere.

[ Video ]

[ About ]
虹玉。

[ 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, line;
};

#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, line;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

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

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

}

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

	this->cam.begin();
	ofRotateX(90);

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

	auto radius = 250;
	auto phi_len = 15;
	auto theta_deg_step = 0.25;
	ofColor face_color;

	for (int i = 0; i < 7; i++) {

		auto start_deg = ofGetFrameNum() * 5 + i * 20;
		face_color.setHsb(ofMap(i, 0, 7, 0, 255), 130, 255);

		for (float theta_deg = 0; theta_deg < 180; theta_deg += theta_deg_step) {

			auto phi_deg = start_deg + theta_deg * 5;
			auto next_theta_deg = theta_deg + theta_deg_step;
			auto next_phi_deg = start_deg + next_theta_deg * 5;

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec3(
				radius * sin(theta_deg * DEG_TO_RAD) * cos((phi_deg - phi_len * 0.5) * DEG_TO_RAD),
				radius * sin(theta_deg * DEG_TO_RAD) * sin((phi_deg - phi_len * 0.5) * DEG_TO_RAD),
				radius * cos(theta_deg * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(
				radius * sin(theta_deg * DEG_TO_RAD) * cos((phi_deg + phi_len * 0.5) * DEG_TO_RAD),
				radius * sin(theta_deg * DEG_TO_RAD) * sin((phi_deg + phi_len * 0.5) * DEG_TO_RAD),
				radius * cos(theta_deg * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(
				radius * sin(next_theta_deg * DEG_TO_RAD) * cos((next_phi_deg + phi_len * 0.5) * DEG_TO_RAD),
				radius * sin(next_theta_deg * DEG_TO_RAD) * sin((next_phi_deg + phi_len * 0.5) * DEG_TO_RAD),
				radius * cos(next_theta_deg * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(
				radius * sin(next_theta_deg * DEG_TO_RAD) * cos((next_phi_deg - phi_len * 0.5) * DEG_TO_RAD),
				radius * sin(next_theta_deg * DEG_TO_RAD) * sin((next_phi_deg - phi_len * 0.5) * DEG_TO_RAD),
				radius * cos(next_theta_deg * DEG_TO_RAD)));

			this->face.addVertices(vertices);
			this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 2); this->face.addIndex(this->face.getNumVertices() - 3);
			this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 3); this->face.addIndex(this->face.getNumVertices() - 4);

			this->line.addVertices(vertices);
			this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 4);
			this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 3);

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

				this->face.addColor(face_color);
				this->line.addColor(ofColor(255));
			}
		}
	}

	this->face.draw();
	this->line.drawWireframe();

	this->cam.end();

	/*
	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());
}

100

101

102

103

104

105

106

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(90);

this->face.clear();

this->line.clear();

auto radius = 250;

auto phi_len = 15;

auto theta_deg_step = 0.25;

ofColor face_color;

for (int i = 0; i < 7; i++) {

auto start_deg = ofGetFrameNum() * 5 + i * 20;

face_color.setHsb(ofMap(i, 0, 7, 0, 255), 130, 255);

for (float theta_deg = 0; theta_deg < 180; theta_deg += theta_deg_step) {

auto phi_deg = start_deg + theta_deg * 5;

auto next_theta_deg = theta_deg + theta_deg_step;

auto next_phi_deg = start_deg + next_theta_deg * 5;

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

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

radius * sin(theta_deg * DEG_TO_RAD) * sin((phi_deg - phi_len * 0.5) * DEG_TO_RAD),

radius * cos(theta_deg * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

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

radius * sin(theta_deg * DEG_TO_RAD) * sin((phi_deg + phi_len * 0.5) * DEG_TO_RAD),

radius * cos(theta_deg * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin(next_theta_deg * DEG_TO_RAD) * cos((next_phi_deg + phi_len * 0.5) * DEG_TO_RAD),

radius * sin(next_theta_deg * DEG_TO_RAD) * sin((next_phi_deg + phi_len * 0.5) * DEG_TO_RAD),

radius * cos(next_theta_deg * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin(next_theta_deg * DEG_TO_RAD) * cos((next_phi_deg - phi_len * 0.5) * DEG_TO_RAD),

radius * sin(next_theta_deg * DEG_TO_RAD) * sin((next_phi_deg - phi_len * 0.5) * DEG_TO_RAD),

radius * cos(next_theta_deg * DEG_TO_RAD)));

this->face.addVertices(vertices);

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

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

this->line.addVertices(vertices);

this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 4);

this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 3);

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

this->face.addColor(face_color);

this->line.addColor(ofColor(255));

}

this->face.draw();

this->line.drawWireframe();

this->cam.end();

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/Insta20251005

2025年10月
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