2021年5月 – ページ 4 – プログラミング de 落描き

2021年5月22日

undulation. Draw by openFrameworks

[ Video ]

[ About ]
undulation.

[ 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;

	vector<glm::vec3> base_location_list;
	vector<ofColor> base_color_list;

	vector<vector<glm::vec3>> log_list;
	vector<ofColor> color_list;
	vector<float> life_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) {};

ofEasyCam cam;

vector<glm::vec3> base_location_list;

vector<ofColor> base_color_list;

vector<vector<glm::vec3>> log_list;

vector<ofColor> color_list;

vector<float> life_list;

};

#include "ofApp.h"	

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);
	ofNoFill();
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	ofColor color;
	for (int hue = 0; hue < 256; hue += 16) {

		color.setHsb(hue, 255, 180);
		this->base_color_list.push_back(color);
	}

	for (int base_x = -250; base_x <= 250; base_x += 500) {

		for (int base_y = -250; base_y <= 250; base_y += 500) {

			for (int x = -200; x <= 200; x += 1) {

				for (int y = -200; y <= 200; y += 1) {

					this->base_location_list.push_back(glm::vec3(base_x + x, base_y + y, 0));
				}
			}
		}
	}
}

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

	int radius = 3;
	while (this->log_list.size() < 3000) {

		int font_location_index = ofRandom(this->base_location_list.size());
		vector<glm::vec3> log;
		log.push_back(this->base_location_list[font_location_index]);
		this->log_list.push_back(log);
		this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);
		this->life_list.push_back(ofRandom(80, 150));
	}

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

		this->life_list[i] -= 1;
		if (this->life_list[i] < 0) {

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

			continue;
		}

		auto deg = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.0015, ofGetFrameNum() * 0.001)), 0, 1, -360, 360);
		this->log_list[i].push_back(this->log_list[i].back() + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));
	}
}

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

	this->cam.begin();

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

		ofSetColor(this->color_list[i]);

		if (this->life_list[i] > 30) {

			ofSetLineWidth(2);
		}
		else {

			ofSetLineWidth(ofMap(this->life_list[i], 0, 30, 0, 2));
		}

		ofSetColor(this->color_list[i]);

		ofBeginShape();
		ofVertices(this->log_list[i]);
		ofEndShape();
	}

	ofSetColor(255);
	ofSetLineWidth(2);


	for (int base_x = -250; base_x <= 250; base_x += 500) {

		for (int base_y = -250; base_y <= 250; base_y += 500) {

			ofDrawRectangle(glm::vec3(base_x, base_y, 0), 400, 400);
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofNoFill();

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofColor color;

for (int hue = 0; hue < 256; hue += 16) {

color.setHsb(hue, 255, 180);

this->base_color_list.push_back(color);

}

for (int base_x = -250; base_x <= 250; base_x += 500) {

for (int base_y = -250; base_y <= 250; base_y += 500) {

for (int x = -200; x <= 200; x += 1) {

for (int y = -200; y <= 200; y += 1) {

this->base_location_list.push_back(glm::vec3(base_x + x, base_y + y, 0));

}

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

void ofApp::update() {

int radius = 3;

while (this->log_list.size() < 3000) {

int font_location_index = ofRandom(this->base_location_list.size());

vector<glm::vec3> log;

log.push_back(this->base_location_list[font_location_index]);

this->log_list.push_back(log);

this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);

this->life_list.push_back(ofRandom(80, 150));

}

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

this->life_list[i] -= 1;

if (this->life_list[i] < 0) {

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

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

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

continue;

}

auto deg = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.0015, ofGetFrameNum() * 0.001)), 0, 1, -360, 360);

this->log_list[i].push_back(this->log_list[i].back() + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));

}

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

void ofApp::draw() {

this->cam.begin();

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

ofSetColor(this->color_list[i]);

if (this->life_list[i] > 30) {

ofSetLineWidth(2);

}

else {

ofSetLineWidth(ofMap(this->life_list[i], 0, 30, 0, 2));

}

ofSetColor(this->color_list[i]);

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

ofSetColor(255);

ofSetLineWidth(2);

for (int base_x = -250; base_x <= 250; base_x += 500) {

for (int base_y = -250; base_y <= 250; base_y += 500) {

ofDrawRectangle(glm::vec3(base_x, base_y, 0), 400, 400);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210522

2021年5月21日

Trio. Draw by openFrameworks

[ Video ]

[ About ]
Trio.

[ 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;

	vector<glm::vec3> base_location_list;
	vector<ofColor> base_color_list;

	vector<vector<glm::vec3>> log_list;
	vector<ofColor> color_list;
	vector<float> life_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) {};

ofEasyCam cam;

vector<glm::vec3> base_location_list;

vector<ofColor> base_color_list;

vector<vector<glm::vec3>> log_list;

vector<ofColor> color_list;

vector<float> life_list;

};

#include "ofApp.h"	

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);
	ofNoFill();
	ofEnableDepthTest();
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	ofColor color;
	vector<int> hex_list = { 0xf72585, 0xb5179e, 0x7209b7, 0x480ca8, 0x3f37c9, 0x4cc9f0 };
	for (auto hex : hex_list) {

		color.setHex(hex);
		this->base_color_list.push_back(color);
	}

	for (int x = -200; x <= 200; x += 1) {

		this->base_location_list.push_back(glm::vec3(x, -200, -300));
		this->base_location_list.push_back(glm::vec3(x, -200, 300));
		this->base_location_list.push_back(glm::vec3(x, -200, 0));
		this->base_location_list.push_back(glm::vec3(x, 200, 0));
		this->base_location_list.push_back(glm::vec3(x, 200, -300));
		this->base_location_list.push_back(glm::vec3(x, 200, 300));
	}

	for (int y = -200; y <= 200; y += 1) {

		this->base_location_list.push_back(glm::vec3(-200, y, -300));
		this->base_location_list.push_back(glm::vec3(-200, y, 300));
		this->base_location_list.push_back(glm::vec3(200, y, 0));
		this->base_location_list.push_back(glm::vec3(-200, y, 0));
		this->base_location_list.push_back(glm::vec3(200, y, -300));
		this->base_location_list.push_back(glm::vec3(200, y, 300));
	}
}

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

	int radius = 5;
	while (this->log_list.size() < 3500) {

		int font_location_index = ofRandom(this->base_location_list.size());
		vector<glm::vec3> log;
		log.push_back(this->base_location_list[font_location_index]);
		this->log_list.push_back(log);
		this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);
		this->life_list.push_back(ofRandom(10, 30));
	}

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

		this->life_list[i] -= 1;
		if (this->life_list[i] < 0) {

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

			continue;
		}

		auto deg = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.0035, ofGetFrameNum() * 0.003)), 0, 1, -360, 360);
		auto theta = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.0035, (ofGetFrameNum() + 10000) * 0.003)), 0, 1, -360, 360);
		this->log_list[i].push_back(this->log_list[i].back() + glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD), radius * cos(theta * DEG_TO_RAD)));
		while (this->log_list[i].size() > 100) {

			this->log_list[i].erase(this->log_list[i].begin());
		}
	}
}

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

	this->cam.begin();
	ofRotateX(270);
	ofRotateZ(ofGetFrameNum() * 0.5);

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

		ofSetColor(this->color_list[i]);

		if (this->life_list[i] > 30) {

			ofSetLineWidth(1.5);
		}
		else {

			ofSetLineWidth(ofMap(this->life_list[i], 0, 30, 0, 1.5));
		}

		ofSetColor(this->color_list[i]);

		ofBeginShape();
		ofVertices(this->log_list[i]);
		ofEndShape();
	}

	ofSetColor(255);
	ofDrawRectangle(glm::vec3(), 400, 400);
	ofDrawRectangle(glm::vec3(0, 0, 300), 400, 400);
	ofDrawRectangle(glm::vec3(0, 0, -300), 400, 400);

	this->cam.end();
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofNoFill();

ofEnableDepthTest();

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofColor color;

vector<int> hex_list = { 0xf72585, 0xb5179e, 0x7209b7, 0x480ca8, 0x3f37c9, 0x4cc9f0 };

for (auto hex : hex_list) {

color.setHex(hex);

this->base_color_list.push_back(color);

}

for (int x = -200; x <= 200; x += 1) {

this->base_location_list.push_back(glm::vec3(x, -200, -300));

this->base_location_list.push_back(glm::vec3(x, -200, 300));

this->base_location_list.push_back(glm::vec3(x, -200, 0));

this->base_location_list.push_back(glm::vec3(x, 200, 0));

this->base_location_list.push_back(glm::vec3(x, 200, -300));

this->base_location_list.push_back(glm::vec3(x, 200, 300));

}

for (int y = -200; y <= 200; y += 1) {

this->base_location_list.push_back(glm::vec3(-200, y, -300));

this->base_location_list.push_back(glm::vec3(-200, y, 300));

this->base_location_list.push_back(glm::vec3(200, y, 0));

this->base_location_list.push_back(glm::vec3(-200, y, 0));

this->base_location_list.push_back(glm::vec3(200, y, -300));

this->base_location_list.push_back(glm::vec3(200, y, 300));

}

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

void ofApp::update() {

int radius = 5;

while (this->log_list.size() < 3500) {

int font_location_index = ofRandom(this->base_location_list.size());

vector<glm::vec3> log;

log.push_back(this->base_location_list[font_location_index]);

this->log_list.push_back(log);

this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);

this->life_list.push_back(ofRandom(10, 30));

}

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

this->life_list[i] -= 1;

if (this->life_list[i] < 0) {

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

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

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

continue;

}

auto deg = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.0035, ofGetFrameNum() * 0.003)), 0, 1, -360, 360);

auto theta = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.0035, (ofGetFrameNum() + 10000) * 0.003)), 0, 1, -360, 360);

this->log_list[i].push_back(this->log_list[i].back() + glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD), radius * cos(theta * DEG_TO_RAD)));

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

this->log_list[i].erase(this->log_list[i].begin());

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

ofRotateZ(ofGetFrameNum() * 0.5);

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

ofSetColor(this->color_list[i]);

if (this->life_list[i] > 30) {

ofSetLineWidth(1.5);

}

else {

ofSetLineWidth(ofMap(this->life_list[i], 0, 30, 0, 1.5));

}

ofSetColor(this->color_list[i]);

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

ofSetColor(255);

ofDrawRectangle(glm::vec3(), 400, 400);

ofDrawRectangle(glm::vec3(0, 0, 300), 400, 400);

ofDrawRectangle(glm::vec3(0, 0, -300), 400, 400);

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210521

2021年5月20日2021年5月20日

Pair. Draw by openFrameworks

[ Video ]

[ About ]
Pair.

[ 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<glm::vec3> location_list;
	vector<ofColor> base_color_list_1, base_color_list_2;

	vector<vector<glm::vec2>> log_list;
	vector<ofColor> color_list;
	vector<float> life_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) {};

vector<glm::vec3> location_list;

vector<ofColor> base_color_list_1, base_color_list_2;

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

vector<ofColor> color_list;

vector<float> life_list;

};

#include "ofApp.h"	

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofNoFill();

	ofColor color;
	vector<int> hex_list = { 0xf72585, 0xb5179e, 0x7209b7, 0x480ca8, 0x3f37c9, 0x4cc9f0 };
	for (auto hex : hex_list) {

		color.setHex(hex);
		this->base_color_list_1.push_back(color);
	}

	hex_list = { 0x1f005c, 0x5b0060, 0x870160, 0xac255e, 0xca485c, 0xe16b5c, 0xf39060, 0xffb56b };
	for (auto hex : hex_list) {

		color.setHex(hex);
		this->base_color_list_2.push_back(color);
	}
}

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

	this->location_list.clear();

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

		auto location = glm::vec3(200 * cos((ofGetFrameNum() * 0.75 + i * 180) * DEG_TO_RAD), 200 * sin((ofGetFrameNum() * 0.75 + i * 180) * DEG_TO_RAD),  0);

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

			this->location_list.push_back(location + glm::vec3(80 * cos(deg * DEG_TO_RAD), 80 * sin(deg * DEG_TO_RAD), 0));
		}
	}

	int radius = 7;
	while (this->log_list.size() < 2000) {

		int location_index = ofRandom(this->location_list.size());
		vector<glm::vec2> log;
		log.push_back(this->location_list[location_index]);
		this->log_list.push_back(log);

		if (location_index < 360) {

			this->color_list.push_back(this->base_color_list_1[(int)ofRandom(this->base_color_list_1.size())]);
		}
		else {

			this->color_list.push_back(this->base_color_list_2[(int)ofRandom(this->base_color_list_2.size())]);
		}

		this->life_list.push_back(ofRandom(30, 50));
	}

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

		this->life_list[i] -= 1;
		if (this->life_list[i] < 0) {

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

			continue;
		}

		auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back() * 0.008, ofGetFrameNum() * 0.003)), 0, 1, -360, 360);
		this->log_list[i].push_back(this->log_list[i].back() + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
		while (this->log_list[i].size() > 100) {

			this->log_list[i].erase(this->log_list[i].begin());
		}
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

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

		ofSetColor(this->color_list[i]);

		if (this->life_list[i] > 30) {

			ofSetLineWidth(1.2);
		}
		else {

			ofSetLineWidth(ofMap(this->life_list[i], 0, 30, 0, 1.2));
		}

		ofBeginShape();
		ofVertices(this->log_list[i]);
		ofEndShape();
	}

	ofSetLineWidth(2);

	ofSetColor(this->base_color_list_1.back());
	ofDrawCircle(glm::vec2(200 * cos((ofGetFrameNum() * 0.75) * DEG_TO_RAD), 200 * sin((ofGetFrameNum() * 0.75) * DEG_TO_RAD)), 80);

	ofSetColor(this->base_color_list_2.back());
	ofDrawCircle(glm::vec2(200 * cos((ofGetFrameNum() * 0.75 + 180) * DEG_TO_RAD), 200 * sin((ofGetFrameNum() * 0.75 + 180) * DEG_TO_RAD)), 80);

}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofNoFill();

ofColor color;

vector<int> hex_list = { 0xf72585, 0xb5179e, 0x7209b7, 0x480ca8, 0x3f37c9, 0x4cc9f0 };

for (auto hex : hex_list) {

color.setHex(hex);

this->base_color_list_1.push_back(color);

}

hex_list = { 0x1f005c, 0x5b0060, 0x870160, 0xac255e, 0xca485c, 0xe16b5c, 0xf39060, 0xffb56b };

for (auto hex : hex_list) {

color.setHex(hex);

this->base_color_list_2.push_back(color);

}

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

void ofApp::update() {

this->location_list.clear();

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

auto location = glm::vec3(200 * cos((ofGetFrameNum() * 0.75 + i * 180) * DEG_TO_RAD), 200 * sin((ofGetFrameNum() * 0.75 + i * 180) * DEG_TO_RAD), 0);

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

this->location_list.push_back(location + glm::vec3(80 * cos(deg * DEG_TO_RAD), 80 * sin(deg * DEG_TO_RAD), 0));

}

int radius = 7;

while (this->log_list.size() < 2000) {

int location_index = ofRandom(this->location_list.size());

vector<glm::vec2> log;

log.push_back(this->location_list[location_index]);

this->log_list.push_back(log);

if (location_index < 360) {

this->color_list.push_back(this->base_color_list_1[(int)ofRandom(this->base_color_list_1.size())]);

}

else {

this->color_list.push_back(this->base_color_list_2[(int)ofRandom(this->base_color_list_2.size())]);

}

this->life_list.push_back(ofRandom(30, 50));

}

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

this->life_list[i] -= 1;

if (this->life_list[i] < 0) {

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

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

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

continue;

}

auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back() * 0.008, ofGetFrameNum() * 0.003)), 0, 1, -360, 360);

this->log_list[i].push_back(this->log_list[i].back() + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

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

this->log_list[i].erase(this->log_list[i].begin());

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

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

ofSetColor(this->color_list[i]);

if (this->life_list[i] > 30) {

ofSetLineWidth(1.2);

}

else {

ofSetLineWidth(ofMap(this->life_list[i], 0, 30, 0, 1.2));

}

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

ofSetLineWidth(2);

ofSetColor(this->base_color_list_1.back());

ofDrawCircle(glm::vec2(200 * cos((ofGetFrameNum() * 0.75) * DEG_TO_RAD), 200 * sin((ofGetFrameNum() * 0.75) * DEG_TO_RAD)), 80);

ofSetColor(this->base_color_list_2.back());

ofDrawCircle(glm::vec2(200 * cos((ofGetFrameNum() * 0.75 + 180) * DEG_TO_RAD), 200 * sin((ofGetFrameNum() * 0.75 + 180) * DEG_TO_RAD)), 80);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210520

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