2024年4月 – ページ 10 – プログラミング de 落描き

2024年4月3日

Heart on heart.

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ハート・オン・ハート。

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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::vec2 make_point(float theta);

	vector<glm::vec2> location_list;
	vector<float> size_list;
	vector<float> speed_list;
	vector<float> max_size_list;
	vector<float> deg_list;
	vector<ofColor> color_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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

glm::vec2 make_point(float theta);

vector<glm::vec2> location_list;

vector<float> size_list;

vector<float> speed_list;

vector<float> max_size_list;

vector<float> deg_list;

vector<ofColor> color_list;

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetLineWidth(3);
}

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

	for (int i = this->location_list.size() - 1; i >= 0; i--) {

		this->size_list[i] += this->speed_list[i];

		if (this->size_list[i] > this->max_size_list[i]) {

			this->location_list.erase(this->location_list.begin() + i);
			this->size_list.erase(this->size_list.begin() + i);
			this->speed_list.erase(this->speed_list.begin() + i);
			this->max_size_list.erase(this->max_size_list.begin() + i);
			this->deg_list.erase(this->deg_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);
		}
	}

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

		auto deg = (ofGetFrameNum() * 4.32) + ofRandom(-5, 5) + (i % 2) * 180;
		auto scale = ofRandom(14, 16);

		auto location = this->make_point(deg * DEG_TO_RAD) * scale;
		this->location_list.push_back(location);
		this->size_list.push_back(1);
		this->speed_list.push_back(ofRandom(2, 8));
		this->max_size_list.push_back(ofRandom(20, 80));
		this->deg_list.push_back(ofRandom(360));
		color.setHsb(ofRandom(255), 200, 230);
		this->color_list.push_back(color);
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);
	ofNoFill();

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

		ofPushMatrix();
		ofTranslate(this->location_list[i]);
		ofRotate(this->deg_list[i]);

		vector<glm::vec2> vertices;

		for (int deg = 0; deg < 360; deg += 2) {

			vertices.push_back(this->make_point(deg * DEG_TO_RAD) / 30 * this->size_list[i]);
		}

		auto alpha = this->size_list[i] > this->max_size_list[i] * 0.6 ? ofMap(this->size_list[i], this->max_size_list[i] * 0.6, this->max_size_list[i], 255, 0) : 255;
		
		ofNoFill();
		ofSetColor(this->color_list[i], alpha);

		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		ofPopMatrix();
	}

	/*
	int start = 110;
	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);
		}
	}
	*/
}

//--------------------------------------------------------------
//Reference by https://twitter.com/shiffman/status/1095764239665512453
glm::vec2 ofApp::make_point(float theta) {

	float x = 16 * (pow(sin(theta), 3));
	float y = 13 * cos(theta) - 5 * cos(2 * theta) - 2 * cos(3 * theta) - cos(4 * theta);
	return glm::vec2(x, -y);
}

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

}

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

void ofApp::update() {

for (int i = this->location_list.size() - 1; i >= 0; i--) {

this->size_list[i] += this->speed_list[i];

if (this->size_list[i] > this->max_size_list[i]) {

this->location_list.erase(this->location_list.begin() + i);

this->size_list.erase(this->size_list.begin() + i);

this->speed_list.erase(this->speed_list.begin() + i);

this->max_size_list.erase(this->max_size_list.begin() + i);

this->deg_list.erase(this->deg_list.begin() + i);

this->color_list.erase(this->color_list.begin() + i);

}

ofColor color;

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

auto deg = (ofGetFrameNum() * 4.32) + ofRandom(-5, 5) + (i % 2) * 180;

auto scale = ofRandom(14, 16);

auto location = this->make_point(deg * DEG_TO_RAD) * scale;

this->location_list.push_back(location);

this->size_list.push_back(1);

this->speed_list.push_back(ofRandom(2, 8));

this->max_size_list.push_back(ofRandom(20, 80));

this->deg_list.push_back(ofRandom(360));

color.setHsb(ofRandom(255), 200, 230);

this->color_list.push_back(color);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofNoFill();

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

ofPushMatrix();

ofTranslate(this->location_list[i]);

ofRotate(this->deg_list[i]);

vector<glm::vec2> vertices;

for (int deg = 0; deg < 360; deg += 2) {

vertices.push_back(this->make_point(deg * DEG_TO_RAD) / 30 * this->size_list[i]);

}

auto alpha = this->size_list[i] > this->max_size_list[i] * 0.6 ? ofMap(this->size_list[i], this->max_size_list[i] * 0.6, this->max_size_list[i], 255, 0) : 255;

ofNoFill();

ofSetColor(this->color_list[i], alpha);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofPopMatrix();

}

int start = 110;

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);

}

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

//Reference by https://twitter.com/shiffman/status/1095764239665512453

glm::vec2 ofApp::make_point(float theta) {

float x = 16 * (pow(sin(theta), 3));

float y = 13 * cos(theta) - 5 * cos(2 * theta) - 2 * cos(3 * theta) - cos(4 * theta);

return glm::vec2(x, -y);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240403

[ほしいものリスト]
Amazon

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2024年4月2日

Group on sphere.

[ Video ]

[ About ]
球体上のグループ。

[ 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 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) {};

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

	ofEasyCam cam;

	vector<glm::vec3> base_location_list;

	vector<tuple<ofColor, glm::vec3, float>> box_list; // BodyColor, Location, radius
	int number_of_sphere;
};

#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) {};

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

ofEasyCam cam;

vector<glm::vec3> base_location_list;

vector<tuple<ofColor, glm::vec3, float>> box_list; // BodyColor, Location, radius

int number_of_sphere;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofNoFill();
	ofEnableDepthTest();

	ofColor color;
	this->number_of_sphere = 70;
	while (this->box_list.size() < this->number_of_sphere) {

		auto tmp_location = this->make_point(280, ofRandom(0, 50), ofRandom(360), ofRandom(360));
		auto radius = this->box_list.size() < 50 ? ofRandom(20, 60) : ofRandom(10, 20);

		bool flag = true;
		for (int i = 0; i < this->box_list.size(); i++) {

			if (glm::distance(tmp_location, get<1>(this->box_list[i])) < get<2>(this->box_list[i]) + radius) {

				flag = false;
				break;
			}
		}

		if (flag) {

			color.setHsb(ofRandom(255), 255, 200);
			this->box_list.push_back(make_tuple(color, tmp_location, radius));
		}
	}
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateZ(ofGetFrameNum() * 0.77);

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

		auto color = get<0>(this->box_list[i]);
		auto location = get<1>(this->box_list[i]);
		auto radius = get<2>(this->box_list[i]);

		ofPushMatrix();
		ofTranslate(location);

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

			auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
			color.setHsb(int(color.getHue() + 32) % 255, 255, 255);

			for (int m = 0; m < 200; m++) {
				
				ofSetColor(color, ofMap(m, 0, 200, 32, 255));

				auto vertex = glm::vec3(
					ofMap(ofNoise(noise_seed.x, m * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85),
					ofMap(ofNoise(noise_seed.y, m * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85),
					ofMap(ofNoise(noise_seed.z, m * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85)
				);

				auto next = glm::vec3(
					ofMap(ofNoise(noise_seed.x, (m + 1) * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85),
					ofMap(ofNoise(noise_seed.y, (m + 1) * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85),
					ofMap(ofNoise(noise_seed.z, (m + 1) * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85)
				);

				vertex = glm::normalize(vertex) * radius * 0.9;
				next = glm::normalize(next) * radius * 0.9;

				ofDrawLine(vertex, next);
			}
		}

		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::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);

ofNoFill();

ofEnableDepthTest();

ofColor color;

this->number_of_sphere = 70;

while (this->box_list.size() < this->number_of_sphere) {

auto tmp_location = this->make_point(280, ofRandom(0, 50), ofRandom(360), ofRandom(360));

auto radius = this->box_list.size() < 50 ? ofRandom(20, 60) : ofRandom(10, 20);

bool flag = true;

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

if (glm::distance(tmp_location, get<1>(this->box_list[i])) < get<2>(this->box_list[i]) + radius) {

flag = false;

break;

}

if (flag) {

color.setHsb(ofRandom(255), 255, 200);

this->box_list.push_back(make_tuple(color, tmp_location, radius));

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateZ(ofGetFrameNum() * 0.77);

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

auto color = get<0>(this->box_list[i]);

auto location = get<1>(this->box_list[i]);

auto radius = get<2>(this->box_list[i]);

ofPushMatrix();

ofTranslate(location);

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

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

color.setHsb(int(color.getHue() + 32) % 255, 255, 255);

for (int m = 0; m < 200; m++) {

ofSetColor(color, ofMap(m, 0, 200, 32, 255));

auto vertex = glm::vec3(

ofMap(ofNoise(noise_seed.x, m * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85),

ofMap(ofNoise(noise_seed.y, m * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85),

ofMap(ofNoise(noise_seed.z, m * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85)

);

auto next = glm::vec3(

ofMap(ofNoise(noise_seed.x, (m + 1) * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85),

ofMap(ofNoise(noise_seed.y, (m + 1) * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85),

ofMap(ofNoise(noise_seed.z, (m + 1) * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85)

);

vertex = glm::normalize(vertex) * radius * 0.9;

next = glm::normalize(next) * radius * 0.9;

ofDrawLine(vertex, next);

}

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::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/Insta20240402

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2024年4月1日

Lines.

[ Video ]

[ About ]
線たち。

[ 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) {};

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

	ofEasyCam cam;

	vector<glm::vec3> base_location_list;

	vector<tuple<ofColor, glm::vec3, float>> box_list; // BodyColor, Location, radius
	int number_of_sphere;
};

#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) {};

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

ofEasyCam cam;

vector<glm::vec3> base_location_list;

vector<tuple<ofColor, glm::vec3, float>> box_list; // BodyColor, Location, radius

int number_of_sphere;

};

#include "ofApp.h"

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

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

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

	ofColor color;
	this->number_of_sphere = 70;
	while (this->box_list.size() < this->number_of_sphere) {

		auto tmp_location = this->make_point(280, ofRandom(0, 50), ofRandom(360), ofRandom(360));
		auto radius = this->box_list.size() < 50 ? ofRandom(20, 60) : ofRandom(10, 20);

		bool flag = true;
		for (int i = 0; i < this->box_list.size(); i++) {

			if (glm::distance(tmp_location, get<1>(this->box_list[i])) < get<2>(this->box_list[i]) + radius) {

				flag = false;
				break;
			}
		}

		if (flag) {

			color.setHsb(ofRandom(255), 255, 200);
			this->box_list.push_back(make_tuple(color, tmp_location, radius));
		}
	}
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateZ(ofGetFrameNum() * 0.77);

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

		auto color = get<0>(this->box_list[i]);
		auto location = get<1>(this->box_list[i]);
		auto radius = get<2>(this->box_list[i]);

		ofPushMatrix();
		ofTranslate(location);

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

		for (int k = 0; k < 400; k++) {

			ofSetColor(color, ofMap(k, 0, 400, 32, 255));

			auto vertex = glm::vec3(
				ofMap(ofNoise(noise_seed.x, k * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85),
				ofMap(ofNoise(noise_seed.y, k * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85),
				ofMap(ofNoise(noise_seed.z, k * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85)
			);

			auto next = glm::vec3(
				ofMap(ofNoise(noise_seed.x, (k + 1) * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85),
				ofMap(ofNoise(noise_seed.y, (k + 1) * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85),
				ofMap(ofNoise(noise_seed.z, (k + 1) * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85)
			);

			ofDrawLine(vertex, next);
		}
		

		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::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(239);

ofSetLineWidth(3);

ofNoFill();

ofEnableDepthTest();

ofColor color;

this->number_of_sphere = 70;

while (this->box_list.size() < this->number_of_sphere) {

auto tmp_location = this->make_point(280, ofRandom(0, 50), ofRandom(360), ofRandom(360));

auto radius = this->box_list.size() < 50 ? ofRandom(20, 60) : ofRandom(10, 20);

bool flag = true;

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

if (glm::distance(tmp_location, get<1>(this->box_list[i])) < get<2>(this->box_list[i]) + radius) {

flag = false;

break;

}

if (flag) {

color.setHsb(ofRandom(255), 255, 200);

this->box_list.push_back(make_tuple(color, tmp_location, radius));

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateZ(ofGetFrameNum() * 0.77);

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

auto color = get<0>(this->box_list[i]);

auto location = get<1>(this->box_list[i]);

auto radius = get<2>(this->box_list[i]);

ofPushMatrix();

ofTranslate(location);

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

for (int k = 0; k < 400; k++) {

ofSetColor(color, ofMap(k, 0, 400, 32, 255));

auto vertex = glm::vec3(

ofMap(ofNoise(noise_seed.x, k * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85),

ofMap(ofNoise(noise_seed.y, k * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85),

ofMap(ofNoise(noise_seed.z, k * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85)

);

auto next = glm::vec3(

ofMap(ofNoise(noise_seed.x, (k + 1) * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85),

ofMap(ofNoise(noise_seed.y, (k + 1) * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85),

ofMap(ofNoise(noise_seed.z, (k + 1) * 0.005 + ofGetFrameNum() * 0.085), 0, 1, -radius * 0.85, radius * 0.85)

);

ofDrawLine(vertex, next);

}

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::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/Insta20240401

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