プログラミング de 落描き – ページ 71 – 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12月8日2024年12月8日

Connective particles.

[ Video ]

[ About ]
接続粒子。

[ 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;

	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) {};

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

vector<glm::vec2> velocity_list;

vector<float> noise_seed_list;

ofMesh line;

};

#include "ofApp.h"

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

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

	ofBackground(239);

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

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

	for (int i = 0; i < 4; i++) {

		auto noise_location = glm::vec2(
			ofMap(ofNoise(39 + i * 5000, ofGetFrameNum() * 0.002), 0, 1, -320 + (int)(i / 2) * 360, 0 + (int)(i / 2) * 320),
			ofMap(ofNoise(239 + i * 5000, ofGetFrameNum() * 0.002), 0, 1, -320 + (int)(i % 2) * 360, 0 + (int)(i % 2) * 320));

		auto next_noise_location = glm::vec2(
			ofMap(ofNoise(39 + i * 5000, (ofGetFrameNum() + 1) * 0.002), 0, 1, -320 + (int)(i / 2) * 360, 0 + (int)(i / 2) * 320),
			ofMap(ofNoise(239 + i * 5000, (ofGetFrameNum() + 1) * 0.002), 0, 1, -320 + (int)(i % 2) * 360, 0 + (int)(i % 2) * 320));

		for (int k = 0; k < 1; k++) {

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

			auto deg = glm::atan(next_noise_location.y - noise_location.y, next_noise_location.x - noise_location.x) * RAD_TO_DEG + 180 + ofRandom(-35, 35);
			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));
		}
	}

	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, 0, 360);
		future += glm::vec2(50 * cos(random_deg * DEG_TO_RAD), 50 * sin(random_deg * DEG_TO_RAD));

		auto next = this->log_list[i].back() + glm::normalize(future) * 2;
		next = glm::length(next) < 1000 ? next : glm::normalize(next) * 1000;
		this->log_list[i].push_back(next);

		if (this->log_list[i].size() > 100) {

			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->line.clear();

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

		this->line.addVertex(glm::vec3(this->log_list[i].back(), 0));
		this->line.addColor(ofColor(39, ofMap(this->log_list[i].size(), 0, 100, 255, 0)));

    }

	for (int i = 0; i < this->line.getNumVertices(); i++) {

		for (int k = i + 1; k < this->line.getNumVertices(); k++) {

			auto distance = glm::distance(this->line.getVertex(i), this->line.getVertex(k));
			if (distance < 25) {

				this->line.addIndex(i); this->line.addIndex(k);
			}
		}
	}
}

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

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

	for (int i = 0; i < this->line.getNumVertices(); i++) {

		ofSetColor(this->line.getColor(i));
		ofDrawCircle(this->line.getVertex(i), 3);
	}

	this->line.drawWireframe();

	/*
	int start = 100;
	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);

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

}

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

void ofApp::update() {

for (int i = 0; i < 4; i++) {

auto noise_location = glm::vec2(

ofMap(ofNoise(39 + i * 5000, ofGetFrameNum() * 0.002), 0, 1, -320 + (int)(i / 2) * 360, 0 + (int)(i / 2) * 320),

ofMap(ofNoise(239 + i * 5000, ofGetFrameNum() * 0.002), 0, 1, -320 + (int)(i % 2) * 360, 0 + (int)(i % 2) * 320));

auto next_noise_location = glm::vec2(

ofMap(ofNoise(39 + i * 5000, (ofGetFrameNum() + 1) * 0.002), 0, 1, -320 + (int)(i / 2) * 360, 0 + (int)(i / 2) * 320),

ofMap(ofNoise(239 + i * 5000, (ofGetFrameNum() + 1) * 0.002), 0, 1, -320 + (int)(i % 2) * 360, 0 + (int)(i % 2) * 320));

for (int k = 0; k < 1; k++) {

vector<glm::vec2> log;

log.push_back(noise_location);

this->log_list.push_back(log);

auto deg = glm::atan(next_noise_location.y - noise_location.y, next_noise_location.x - noise_location.x) * RAD_TO_DEG + 180 + ofRandom(-35, 35);

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));

}

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, 0, 360);

future += glm::vec2(50 * cos(random_deg * DEG_TO_RAD), 50 * sin(random_deg * DEG_TO_RAD));

auto next = this->log_list[i].back() + glm::normalize(future) * 2;

next = glm::length(next) < 1000 ? next : glm::normalize(next) * 1000;

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

if (this->log_list[i].size() > 100) {

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->line.clear();

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

this->line.addVertex(glm::vec3(this->log_list[i].back(), 0));

this->line.addColor(ofColor(39, ofMap(this->log_list[i].size(), 0, 100, 255, 0)));

}

for (int i = 0; i < this->line.getNumVertices(); i++) {

for (int k = i + 1; k < this->line.getNumVertices(); k++) {

auto distance = glm::distance(this->line.getVertex(i), this->line.getVertex(k));

if (distance < 25) {

this->line.addIndex(i); this->line.addIndex(k);

}

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

void ofApp::draw() {

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

for (int i = 0; i < this->line.getNumVertices(); i++) {

ofSetColor(this->line.getColor(i));

ofDrawCircle(this->line.getVertex(i), 3);

}

this->line.drawWireframe();

int start = 100;

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/Insta20241208

2024年12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(39);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

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

	this->line.clear();

	ofSeedRandom(39);
	auto base_radius = 280;
	auto len = 35;
	ofColor color;

	for (int m = 0; m < 360; m += 120) {

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

			auto noise_param = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
			color.setHsb(ofMap(k, 0, 7, 0, 255), 255, 255);

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

				auto deg = m + ofGetFrameNum() * 2.88 + i * 2.88;
				auto vertex = glm::vec3(base_radius * cos(deg * DEG_TO_RAD), base_radius * sin(deg * DEG_TO_RAD), 0);

				auto location = glm::vec3(
					ofMap(ofNoise(noise_param.x, i * 0.03 + ofGetFrameNum() * 0.03), 0, 1, -50, 50),
					ofMap(ofNoise(noise_param.y, i * 0.03 + ofGetFrameNum() * 0.03), 0, 1, -50, 50),
					ofMap(ofNoise(noise_param.z, i * 0.03 + ofGetFrameNum() * 0.03), 0, 1, -50, 50));

				this->line.addVertex(vertex + location);
				this->line.addColor(ofColor(color, ofMap(i, 0, len, 0, 255)));
				if (i > 1) {

					this->line.addIndex(this->line.getNumVertices() - 1);
					this->line.addIndex(this->line.getNumVertices() - 2);
				}
			}
		}
	}
}

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

	this->cam.begin();

	this->line.drawWireframe();

	this->cam.end();

	/*
	int start = 500;
	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);

ofSetLineWidth(1.5);

ofEnableDepthTest();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

}

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

void ofApp::update() {

this->line.clear();

ofSeedRandom(39);

auto base_radius = 280;

auto len = 35;

ofColor color;

for (int m = 0; m < 360; m += 120) {

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

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

color.setHsb(ofMap(k, 0, 7, 0, 255), 255, 255);

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

auto deg = m + ofGetFrameNum() * 2.88 + i * 2.88;

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

auto location = glm::vec3(

ofMap(ofNoise(noise_param.x, i * 0.03 + ofGetFrameNum() * 0.03), 0, 1, -50, 50),

ofMap(ofNoise(noise_param.y, i * 0.03 + ofGetFrameNum() * 0.03), 0, 1, -50, 50),

ofMap(ofNoise(noise_param.z, i * 0.03 + ofGetFrameNum() * 0.03), 0, 1, -50, 50));

this->line.addVertex(vertex + location);

this->line.addColor(ofColor(color, ofMap(i, 0, len, 0, 255)));

if (i > 1) {

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

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

}

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

void ofApp::draw() {

this->cam.begin();

this->line.drawWireframe();

this->cam.end();

int start = 500;

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/Insta20241207

2024年12月6日

Watching torus.

[ Video ]

[ About ]
トーラスを見る。

[ 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 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, float scale = 1.0);

	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) {};

glm::vec3 make_point(float R, float r, float u, float v, float scale = 1.0);

ofEasyCam cam;

ofMesh face, line;

};

#include "ofApp.h"

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

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

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

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

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

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

	float phi_deg_step = 8;
	float theta_deg_step = 20;

	float R = 230;
	float threshold_1 = 0.55;
	float threshold_2 = 0.65;
	float r = R * 0.3;

	int target_deg_start = ofGetFrameNum() * 1.44;

	for (int target_deg = target_deg_start; target_deg <= target_deg_start + 180; target_deg += 180) {

		auto target = glm::vec3(R * cos(target_deg * DEG_TO_RAD), R * sin(target_deg * DEG_TO_RAD), 0);

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

			for (float theta_deg = 0; theta_deg < 360; theta_deg += theta_deg_step) {

				auto location = this->make_point(R, r, theta_deg, phi_deg);
				auto distance = glm::distance(target, location);

				if (distance > 250) { continue; }

				auto power = distance < 150 ? 1 : ofMap(distance, 150, 250, 1, 0);

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

				vertices.push_back(this->make_point(R, r, theta_deg - theta_deg_step * 0.49 * power - 2, phi_deg - phi_deg_step * 0.49 * power - 2));
				vertices.push_back(this->make_point(R, r, theta_deg + theta_deg_step * 0.49 * power - 2, phi_deg - phi_deg_step * 0.49 * power - 2));
				vertices.push_back(this->make_point(R, r, theta_deg - theta_deg_step * 0.49 * power - 2, phi_deg + phi_deg_step * 0.49 * power - 2));
				vertices.push_back(this->make_point(R, r, theta_deg + theta_deg_step * 0.49 * power - 2, phi_deg + phi_deg_step * 0.49 * power - 2));

				this->face.addVertices(vertices);
				this->line.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->line.addIndex(index + 0); this->line.addIndex(index + 1);
				this->line.addIndex(index + 0); this->line.addIndex(index + 2);
				this->line.addIndex(index + 1); this->line.addIndex(index + 3);
				this->line.addIndex(index + 2); this->line.addIndex(index + 3);
			}
		}
	}
}

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

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

	ofSetColor(255, 128, 255);
	this->line.draw();

	ofSetColor(0);
	this->face.draw();

	this->cam.end();

	/*
	int start = 500;
	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, float scale) {

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

	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(239);

ofSetLineWidth(2);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

this->face.clear();

this->line.clear();

float phi_deg_step = 8;

float theta_deg_step = 20;

float R = 230;

float threshold_1 = 0.55;

float threshold_2 = 0.65;

float r = R * 0.3;

int target_deg_start = ofGetFrameNum() * 1.44;

for (int target_deg = target_deg_start; target_deg <= target_deg_start + 180; target_deg += 180) {

auto target = glm::vec3(R * cos(target_deg * DEG_TO_RAD), R * sin(target_deg * DEG_TO_RAD), 0);

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

for (float theta_deg = 0; theta_deg < 360; theta_deg += theta_deg_step) {

auto location = this->make_point(R, r, theta_deg, phi_deg);

auto distance = glm::distance(target, location);

if (distance > 250) { continue; }

auto power = distance < 150 ? 1 : ofMap(distance, 150, 250, 1, 0);

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

vector<glm::vec3> vertices;

vertices.push_back(this->make_point(R, r, theta_deg - theta_deg_step * 0.49 * power - 2, phi_deg - phi_deg_step * 0.49 * power - 2));

vertices.push_back(this->make_point(R, r, theta_deg + theta_deg_step * 0.49 * power - 2, phi_deg - phi_deg_step * 0.49 * power - 2));

vertices.push_back(this->make_point(R, r, theta_deg - theta_deg_step * 0.49 * power - 2, phi_deg + phi_deg_step * 0.49 * power - 2));

vertices.push_back(this->make_point(R, r, theta_deg + theta_deg_step * 0.49 * power - 2, phi_deg + phi_deg_step * 0.49 * power - 2));

this->face.addVertices(vertices);

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

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

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

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(90);

ofSetColor(255, 128, 255);

this->line.draw();

ofSetColor(0);

this->face.draw();

this->cam.end();

int start = 500;

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, float scale) {

// 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) * scale) * cos(v);

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

auto z = r * sin(u) * scale;

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

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20241206

2025年7月
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