プログラミング de 落描き – ページ 18 – クリエイティブ・コーディングによる生成物とソース

2024年10月6日

Dots.

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ドットs。

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#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) {};

	float len;
	vector<glm::vec2> start_location_list;
	vector<vector<glm::vec2>> location_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 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) {};

float len;

vector<glm::vec2> start_location_list;

vector<vector<glm::vec2>> location_list;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	this->len = 15;
	for (float x = this->len; x <= ofGetWidth() - this->len; x += this->len) {

		for (float y = this->len; y <= ofGetHeight() - this->len; y += this->len) {

			this->start_location_list.push_back(glm::vec3(x, y, 0));
		}
	}

	for (int i = 0; i < 64; i++) {

		int r = ofRandom(this->start_location_list.size());

		auto log_list = vector<glm::vec2>();
		log_list.push_back(this->start_location_list[r]);
		this->location_list.push_back(log_list);
	}
}

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

	if (ofGetFrameNum() % 1 == 0) {

		for (auto& log_list : this->location_list) {

			int r = ofRandom(4);
			int deg_start = r * 90;
			for (int deg = deg_start; deg < deg_start + 360; deg += 90) {

				auto tmp_location = log_list.back() + glm::vec2(this->len * cos(deg * DEG_TO_RAD), this->len * sin(deg * DEG_TO_RAD));
				if (tmp_location.x < this->len || tmp_location.x > ofGetWidth() - this->len  
					|| tmp_location.y < this->len || tmp_location.y > ofGetHeight() - this->len) {

					continue;
				}

				bool flag = false;
				for (int i = 0; i < log_list.size(); i++) {

					if (tmp_location == log_list[i] && deg_start != deg && deg_start % 360 == deg % 360) {

						flag = true;
						break;
					}
				}
				if (flag) { continue; }

				log_list.push_back(tmp_location);
				break;
			}

			while (log_list.size() > 20) {

				log_list.erase(log_list.begin());
			}
		}
	}
}

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

	ofColor color;
	int index = 0;
	for (auto& log_list : this->location_list) {

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

			ofFill();
			color.setHsb(ofMap(index, 0, 64, 0, 255), 255, 255);
			ofSetColor(color);
			ofDrawCircle(log_list[i], this->len * 0.25);
		}
		index++;
	}

	/*
	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);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

this->len = 15;

for (float x = this->len; x <= ofGetWidth() - this->len; x += this->len) {

for (float y = this->len; y <= ofGetHeight() - this->len; y += this->len) {

this->start_location_list.push_back(glm::vec3(x, y, 0));

}

for (int i = 0; i < 64; i++) {

int r = ofRandom(this->start_location_list.size());

auto log_list = vector<glm::vec2>();

log_list.push_back(this->start_location_list[r]);

this->location_list.push_back(log_list);

}

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

void ofApp::update() {

if (ofGetFrameNum() % 1 == 0) {

for (auto& log_list : this->location_list) {

int r = ofRandom(4);

int deg_start = r * 90;

for (int deg = deg_start; deg < deg_start + 360; deg += 90) {

auto tmp_location = log_list.back() + glm::vec2(this->len * cos(deg * DEG_TO_RAD), this->len * sin(deg * DEG_TO_RAD));

if (tmp_location.x < this->len || tmp_location.x > ofGetWidth() - this->len

|| tmp_location.y < this->len || tmp_location.y > ofGetHeight() - this->len) {

continue;

}

bool flag = false;

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

if (tmp_location == log_list[i] && deg_start != deg && deg_start % 360 == deg % 360) {

flag = true;

break;

}

if (flag) { continue; }

log_list.push_back(tmp_location);

break;

}

while (log_list.size() > 20) {

log_list.erase(log_list.begin());

}

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

void ofApp::draw() {

ofColor color;

int index = 0;

for (auto& log_list : this->location_list) {

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

ofFill();

color.setHsb(ofMap(index, 0, 64, 0, 255), 255, 255);

ofSetColor(color);

ofDrawCircle(log_list[i], this->len * 0.25);

}

index++;

}

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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2024年10月5日2024年10月5日

Mosaic worm.

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#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) {};

	float len;
	vector<glm::vec2> start_location_list;
	vector<vector<glm::vec2>> location_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 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) {};

float len;

vector<glm::vec2> start_location_list;

vector<vector<glm::vec2>> location_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(1.5);

	this->len = 20;
	for (float x = 0; x < ofGetWidth(); x += this->len) {

		for (float y = 0; y < ofGetHeight(); y += this->len) {

			this->start_location_list.push_back(glm::vec3(x, y, 0));
		}
	}

	for (int i = 0; i < 16; i++) {

		int r = ofRandom(this->start_location_list.size());

		auto log_list = vector<glm::vec2>();
		log_list.push_back(this->start_location_list[r]);
		this->location_list.push_back(log_list);
	}
}

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

	if (ofGetFrameNum() % 1 == 0) {

		for (auto& log_list : this->location_list) {

			int r = ofRandom(4);
			int deg_start = r * 90;
			for (int deg = deg_start; deg < deg_start + 360; deg += 90) {

				auto tmp_location = log_list.back() + glm::vec2(this->len * cos(deg * DEG_TO_RAD), this->len * sin(deg * DEG_TO_RAD));
				if (tmp_location.x < this->len || tmp_location.x > ofGetWidth() - this->len * 2  
					|| tmp_location.y < this->len || tmp_location.y > ofGetHeight() - this->len * 2) {

					continue;
				}

				bool flag = false;
				for (int i = 0; i < log_list.size(); i++) {

					if (tmp_location == log_list[i] && deg_start != deg && deg_start % 360 == deg % 360) {

						flag = true;
						break;
					}
				}
				if (flag) { continue; }

				log_list.push_back(tmp_location);
				break;
			}

			while (log_list.size() > 15) {

				log_list.erase(log_list.begin());
			}
		}
	}
}

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

	ofColor color;
	for (auto& log_list : this->location_list) {

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

			ofFill();
			color.setHsb(ofMap(i, 0, log_list.size(), 0, 255), 180, 255);
			ofSetColor(color);
			ofDrawRectangle(log_list[i], this->len, this->len);

			ofNoFill();
			ofSetColor(39);
			ofDrawRectangle(log_list[i], this->len, this->len);
		}
	}

	ofSetColor(0, 32);
	ofNoFill();
	for (float x = 0; x < ofGetWidth(); x += this->len) {

		for (float y = 0; y < ofGetHeight(); y += this->len) {

			ofDrawRectangle(glm::vec3(x, y, 0), this->len, this->len);
		}
	}

	/*
	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);

this->len = 20;

for (float x = 0; x < ofGetWidth(); x += this->len) {

for (float y = 0; y < ofGetHeight(); y += this->len) {

this->start_location_list.push_back(glm::vec3(x, y, 0));

}

for (int i = 0; i < 16; i++) {

int r = ofRandom(this->start_location_list.size());

auto log_list = vector<glm::vec2>();

log_list.push_back(this->start_location_list[r]);

this->location_list.push_back(log_list);

}

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

void ofApp::update() {

if (ofGetFrameNum() % 1 == 0) {

for (auto& log_list : this->location_list) {

int r = ofRandom(4);

int deg_start = r * 90;

for (int deg = deg_start; deg < deg_start + 360; deg += 90) {

auto tmp_location = log_list.back() + glm::vec2(this->len * cos(deg * DEG_TO_RAD), this->len * sin(deg * DEG_TO_RAD));

if (tmp_location.x < this->len || tmp_location.x > ofGetWidth() - this->len * 2

|| tmp_location.y < this->len || tmp_location.y > ofGetHeight() - this->len * 2) {

continue;

}

bool flag = false;

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

if (tmp_location == log_list[i] && deg_start != deg && deg_start % 360 == deg % 360) {

flag = true;

break;

}

if (flag) { continue; }

log_list.push_back(tmp_location);

break;

}

while (log_list.size() > 15) {

log_list.erase(log_list.begin());

}

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

void ofApp::draw() {

ofColor color;

for (auto& log_list : this->location_list) {

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

ofFill();

color.setHsb(ofMap(i, 0, log_list.size(), 0, 255), 180, 255);

ofSetColor(color);

ofDrawRectangle(log_list[i], this->len, this->len);

ofNoFill();

ofSetColor(39);

ofDrawRectangle(log_list[i], this->len, this->len);

}

ofSetColor(0, 32);

ofNoFill();

for (float x = 0; x < ofGetWidth(); x += this->len) {

for (float y = 0; y < ofGetHeight(); y += this->len) {

ofDrawRectangle(glm::vec3(x, y, 0), this->len, this->len);

}

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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2024年10月4日

Gaming donut.

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#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::vec3 make_point(float R, float r, float u, float v);

	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::vec3 make_point(float R, float r, float u, float v);

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

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

	int v_span = 8;
	int u_span = 90;
	int R = 200;

	ofMesh face, line;
	line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

	ofColor color;

	float noise_seed = ofRandom(1000);
	float len = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01), 0, 1, -180, 360 * 4);
	for (int v = 0; v <= 360 + len; v += v_span * 1) {

		color.setHsb((int)ofMap(v, 0, 360 * 4, 0, 512) % 255, 150, 255);

		int u_start = ofMap(ofNoise(noise_seed, cos(v * DEG_TO_RAD) * 0.35, sin(v * DEG_TO_RAD) * 0.35, ofGetFrameNum() * 0.015), 0, 1, -360, 360);
		int next_u = ofMap(ofNoise(noise_seed, cos((v + v_span * 0.9) * DEG_TO_RAD) * 0.35, sin((v + v_span * 0.9) * DEG_TO_RAD) * 0.35, ofGetFrameNum() * 0.015), 0, 1, -360, 360);

		int r = v * 0.1;

		for (int u = u_start; u < u_start + 360; u += u_span) {

			face.addVertex(this->make_point(R, r, u, v));
			face.addVertex(this->make_point(R, r, u + u_span, v));
			face.addVertex(this->make_point(R, r, next_u + u_span, v + v_span * 0.85));
			face.addVertex(this->make_point(R, r, next_u, v + v_span * 0.85));

			line.addVertex(this->make_point(R, r, u, v));
			line.addVertex(this->make_point(R, r, u + u_span, v));
			line.addVertex(this->make_point(R, r, next_u + u_span, v + v_span * 0.85));
			line.addVertex(this->make_point(R, r, next_u, v + v_span * 0.85));

			ofColor face_color = ofColor(0);
			ofColor line_color = ofColor(color);

			face.addColor(face_color);
			face.addColor(face_color);
			face.addColor(face_color);
			face.addColor(face_color);

			line.addColor(line_color);
			line.addColor(line_color);
			line.addColor(line_color);
			line.addColor(line_color);

			face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 3);
			face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 4);

			line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 4);
			line.addIndex(line.getNumVertices() - 2); line.addIndex(line.getNumVertices() - 3);

			line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 2);
			line.addIndex(line.getNumVertices() - 3); line.addIndex(line.getNumVertices() - 4);

			if (v > 0) {

				line.addIndex(line.getNumVertices() - 4); line.addIndex(line.getNumVertices() - 17);
			}

			next_u += u_span;

		}
	}

	face.drawFaces();
	line.drawWireframe();

	this->cam.end();

	/*
	int start = 16;
	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::vec3 ofApp::make_point(float R, float r, float u, float v) {

	// 数学デッサン教室 描いて楽しむ数学たち　P.31

	u *= DEG_TO_RAD;
	v *= DEG_TO_RAD;

	auto x = (R + r * cos(u)) * cos(v);
	auto y = (R + r * cos(u)) * sin(v);
	auto z = r * sin(u);

	return glm::vec3(x, y, z);
}

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

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.44);

int v_span = 8;

int u_span = 90;

int R = 200;

ofMesh face, line;

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

ofColor color;

float noise_seed = ofRandom(1000);

float len = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01), 0, 1, -180, 360 * 4);

for (int v = 0; v <= 360 + len; v += v_span * 1) {

color.setHsb((int)ofMap(v, 0, 360 * 4, 0, 512) % 255, 150, 255);

int u_start = ofMap(ofNoise(noise_seed, cos(v * DEG_TO_RAD) * 0.35, sin(v * DEG_TO_RAD) * 0.35, ofGetFrameNum() * 0.015), 0, 1, -360, 360);

int next_u = ofMap(ofNoise(noise_seed, cos((v + v_span * 0.9) * DEG_TO_RAD) * 0.35, sin((v + v_span * 0.9) * DEG_TO_RAD) * 0.35, ofGetFrameNum() * 0.015), 0, 1, -360, 360);

int r = v * 0.1;

for (int u = u_start; u < u_start + 360; u += u_span) {

face.addVertex(this->make_point(R, r, u, v));

face.addVertex(this->make_point(R, r, u + u_span, v));

face.addVertex(this->make_point(R, r, next_u + u_span, v + v_span * 0.85));

face.addVertex(this->make_point(R, r, next_u, v + v_span * 0.85));

line.addVertex(this->make_point(R, r, u, v));

line.addVertex(this->make_point(R, r, u + u_span, v));

line.addVertex(this->make_point(R, r, next_u + u_span, v + v_span * 0.85));

line.addVertex(this->make_point(R, r, next_u, v + v_span * 0.85));

ofColor face_color = ofColor(0);

ofColor line_color = ofColor(color);

face.addColor(face_color);

line.addColor(line_color);

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

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

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

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

line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 2);

line.addIndex(line.getNumVertices() - 3); line.addIndex(line.getNumVertices() - 4);

if (v > 0) {

line.addIndex(line.getNumVertices() - 4); line.addIndex(line.getNumVertices() - 17);

}

next_u += u_span;

}

face.drawFaces();

line.drawWireframe();

this->cam.end();

int start = 16;

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::vec3 ofApp::make_point(float R, float r, float u, float v) {

// 数学デッサン教室描いて楽しむ数学たち　P.31

u *= DEG_TO_RAD;

v *= DEG_TO_RAD;

auto x = (R + r * cos(u)) * cos(v);

auto y = (R + r * cos(u)) * sin(v);

auto z = r * sin(u);

return glm::vec3(x, y, z);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20241004

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