プログラミング de 落描き – ページ 194 – 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

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

2024年3月31日

Colors rain.

[ Video ]

[ About ]
色付き雨。

[ 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) {};

	ofEasyCam cam;

	vector<glm::vec3> location_list;
	vector<float> radius_list;
	vector<float> speed_list;
	vector<float> max_radius_list;
	vector<ofColor> color_list;

	glm::vec2 noise_seed;
};

#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) {};

ofEasyCam cam;

vector<glm::vec3> location_list;

vector<float> radius_list;

vector<float> speed_list;

vector<float> max_radius_list;

vector<ofColor> color_list;

glm::vec2 noise_seed;

};

#include "ofApp.h"

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

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

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

	this->noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));
}

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

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

		if (this->location_list[i].z < 0) {

			this->location_list[i].z += 30;
			continue;
		}

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

		if (this->radius_list[i] > this->max_radius_list[i]) {

			this->location_list.erase(this->location_list.begin() + i);
			this->radius_list.erase(this->radius_list.begin() + i);
			this->speed_list.erase(this->speed_list.begin() + i);
			this->max_radius_list.erase(this->max_radius_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);
		}
	}

	ofColor color;
	for (int i = 0; i < 24; i++) {

		auto radius = ofMap(sin(ofGetFrameNum() * 0.05), -1, 1, 200, 300);
		auto deg = ofGetFrameNum() * 1.44 * 3 + (i % 3) * 120;

		auto location = glm::vec3(
			radius * cos(deg * DEG_TO_RAD) + ofRandom(-35, 35),
			radius * sin(deg * DEG_TO_RAD) + ofRandom(-35, 35),
			-300);

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

		this->location_list.push_back(location);
		this->radius_list.push_back(1);
		this->speed_list.push_back(ofRandom(0.7, 1.7));
		this->max_radius_list.push_back(ofRandom(5, 20));
		this->color_list.push_back(color);
	}
}

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

	this->cam.begin();
	ofRotateX(180);

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

		if (this->radius_list[i] < this->max_radius_list[i] * 0.5) {

			ofSetColor(this->color_list[i]);
		}
		else {

			ofColor color;
			auto brightness = ofMap(this->radius_list[i], this->max_radius_list[i] * 0.5, this->max_radius_list[i], 255, 0);
			color.setHsb(this->color_list[i].getHue(), this->color_list[i].getSaturation(), brightness);
			ofSetColor(color);
		}

		if (this->location_list[i].z < 0) {

			ofSetColor(this->color_list[i], 200);
			ofDrawLine(this->location_list[i], this->location_list[i] - glm::vec3(0, 0, 30));
			continue;
		}

		ofDrawCircle(glm::vec2(this->location_list[i]), this->radius_list[i]);
	}

	this->cam.end();

	/*
	int start = 75;
	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->noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

}

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

void ofApp::update() {

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

if (this->location_list[i].z < 0) {

this->location_list[i].z += 30;

continue;

}

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

if (this->radius_list[i] > this->max_radius_list[i]) {

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

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

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

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

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

}

ofColor color;

for (int i = 0; i < 24; i++) {

auto radius = ofMap(sin(ofGetFrameNum() * 0.05), -1, 1, 200, 300);

auto deg = ofGetFrameNum() * 1.44 * 3 + (i % 3) * 120;

auto location = glm::vec3(

radius * cos(deg * DEG_TO_RAD) + ofRandom(-35, 35),

radius * sin(deg * DEG_TO_RAD) + ofRandom(-35, 35),

-300);

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

this->location_list.push_back(location);

this->radius_list.push_back(1);

this->speed_list.push_back(ofRandom(0.7, 1.7));

this->max_radius_list.push_back(ofRandom(5, 20));

this->color_list.push_back(color);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

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

if (this->radius_list[i] < this->max_radius_list[i] * 0.5) {

ofSetColor(this->color_list[i]);

}

else {

ofColor color;

auto brightness = ofMap(this->radius_list[i], this->max_radius_list[i] * 0.5, this->max_radius_list[i], 255, 0);

color.setHsb(this->color_list[i].getHue(), this->color_list[i].getSaturation(), brightness);

ofSetColor(color);

}

if (this->location_list[i].z < 0) {

ofSetColor(this->color_list[i], 200);

ofDrawLine(this->location_list[i], this->location_list[i] - glm::vec3(0, 0, 30));

continue;

}

ofDrawCircle(glm::vec2(this->location_list[i]), this->radius_list[i]);

}

this->cam.end();

int start = 75;

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/Insta20240331

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