2022年5月 – ページ 2 – プログラミング de 落描き

2022年5月28日

Circle packing inside circle packing. Draw by openFrameworks

[ Video ]

[ About ]
サークルパッキングの中にサークルパッキング

Circle packing inside circle packing.

[ 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) {};

	void draw_circle_packing(glm::vec2, float, vector<ofColor>);

	float random_seed;
	vector<glm::vec2> location_list;
	vector<float> radus_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) {};

void draw_circle_packing(glm::vec2, float, vector<ofColor>);

float random_seed;

vector<glm::vec2> location_list;

vector<float> radus_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");
	
	ofBackground(0);
	ofNoFill();
	ofSetCircleResolution(36);
}

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

	if (ofGetFrameNum() % 30 < 5) {
		
		this->random_seed = ofRandom(1000);
	}

	ofSeedRandom(this->random_seed);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	//// Day 165 French Vanilla
	vector<ofColor> color_palette;
	color_palette.push_back(ofColor(249, 233, 204));
	color_palette.push_back(ofColor(217, 160, 182));
	color_palette.push_back(ofColor(124, 91, 143));
	
	this->draw_circle_packing(glm::vec2(), 340, color_palette);
}

//--------------------------------------------------------------
void ofApp::draw_circle_packing(glm::vec2 location, float radius, vector<ofColor> color_palette) {

	auto number_of_sphere = radius * 1.2;
	vector<glm::vec2> location_list;
	vector<float> radius_list;

	while (location_list.size() < number_of_sphere) {

		auto tmp_location_radius = ofRandom(1, radius * 0.75);
		auto tmp_deg = ofRandom(0, 360);
		auto tmp_location = glm::vec2(location.x + tmp_location_radius * cos(tmp_deg * DEG_TO_RAD), location.y + tmp_location_radius * sin(tmp_deg * DEG_TO_RAD));
		auto tmp_radius = ofRandom(radius * 0.001, radius * 0.3);

		bool flag = true;
		for (int i = 0; i < location_list.size(); i++) {

			if (glm::distance(tmp_location, location_list[i]) < tmp_radius + radius_list[i] + 1) {

				flag = false;
				break;
			}
		}

		if (flag) {

			location_list.push_back(tmp_location);
			radius_list.push_back(tmp_radius);

			ofSetColor(color_palette[ofRandom(color_palette.size())]);
			ofDrawCircle(tmp_location, tmp_radius);

			if (tmp_radius > 15) {

				this->draw_circle_packing(tmp_location, tmp_radius, color_palette);
			}
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofNoFill();

ofSetCircleResolution(36);

}

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

void ofApp::update() {

if (ofGetFrameNum() % 30 < 5) {

this->random_seed = ofRandom(1000);

}

ofSeedRandom(this->random_seed);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

//// Day 165 French Vanilla

vector<ofColor> color_palette;

color_palette.push_back(ofColor(249, 233, 204));

color_palette.push_back(ofColor(217, 160, 182));

color_palette.push_back(ofColor(124, 91, 143));

this->draw_circle_packing(glm::vec2(), 340, color_palette);

}

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

void ofApp::draw_circle_packing(glm::vec2 location, float radius, vector<ofColor> color_palette) {

auto number_of_sphere = radius * 1.2;

vector<glm::vec2> location_list;

vector<float> radius_list;

while (location_list.size() < number_of_sphere) {

auto tmp_location_radius = ofRandom(1, radius * 0.75);

auto tmp_deg = ofRandom(0, 360);

auto tmp_location = glm::vec2(location.x + tmp_location_radius * cos(tmp_deg * DEG_TO_RAD), location.y + tmp_location_radius * sin(tmp_deg * DEG_TO_RAD));

auto tmp_radius = ofRandom(radius * 0.001, radius * 0.3);

bool flag = true;

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

if (glm::distance(tmp_location, location_list[i]) < tmp_radius + radius_list[i] + 1) {

flag = false;

break;

}

if (flag) {

location_list.push_back(tmp_location);

radius_list.push_back(tmp_radius);

ofSetColor(color_palette[ofRandom(color_palette.size())]);

ofDrawCircle(tmp_location, tmp_radius);

if (tmp_radius > 15) {

this->draw_circle_packing(tmp_location, tmp_radius, color_palette);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220528

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2022年5月27日

Trio. Draw by openFrameworks

[ Video ]

[ About ]
3色の玉。

Three-colored balls.

[ 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) {};
};

#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) {};

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(0);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofSetLineWidth(2);
}

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

	ofSeedRandom(39);
}

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

	// Day 228 Zenith Blue
	vector<ofColor> color_palette;
	color_palette.push_back(ofColor(134, 179, 224));
	color_palette.push_back(ofColor(251, 218, 205));
	color_palette.push_back(ofColor(234, 96, 148));

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

	int number_of_satellite = 3;
	int number_of_log = 80;
	int location_radius = 200;
	auto speed = 1.5;
	ofColor color(color_palette[0]);

	for (int param = 0; param < 360; param += 180) {

		auto base_location = glm::vec3(location_radius * cos((ofGetFrameNum() * speed + param + number_of_log) * DEG_TO_RAD), location_radius * sin((ofGetFrameNum() * speed + param + number_of_log) * DEG_TO_RAD), 0);
		auto base_radius = 60;

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

			ofSetColor(color_palette[i]);

			float noise_seed_x = ofRandom(1000);
			float noise_seed_y = ofRandom(1000);
			auto location = glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1));
			location = glm::normalize(location) * base_radius * 1.5;
			vector<glm::vec3> log_list;
			for (int k = 0; k < number_of_log; k++) {

				auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_y, (ofGetFrameNum() * speed + k) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0));
				auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_x, (ofGetFrameNum() * speed + k) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));
				auto tmp_base_location = glm::vec3(location_radius * cos((ofGetFrameNum() * speed + param + k) * DEG_TO_RAD), location_radius * sin((ofGetFrameNum() * speed + param + k) * DEG_TO_RAD), 0);
				auto log_location = tmp_base_location + glm::vec4(location, 0) * rotation_y * rotation_x;
				log_list.push_back(log_location);
			}

			auto head_size = 12;
			ofMesh mesh;
			vector<glm::vec3> right, left;
			glm::vec3 last_location;
			float last_theta;

			for (int k = 0; k < log_list.size() - 1; k++) {

				auto location = log_list[k];
				auto next = log_list[k + 1];

				auto direction = next - location;
				auto theta = atan2(direction.y, direction.x);

				right.push_back(location + glm::vec3(ofMap(k, 0, log_list.size(), 0, head_size) * cos(theta + PI * 0.5), ofMap(k, 0, log_list.size(), 0, head_size) * sin(theta + PI * 0.5), 0));
				left.push_back(location + glm::vec3(ofMap(k, 0, log_list.size(), 0, head_size) * cos(theta - PI * 0.5), ofMap(k, 0, log_list.size(), 0, head_size) * sin(theta - PI * 0.5), 0));

				last_location = location;
				last_theta = theta;
			}

			for (int k = 0; k < right.size(); k++) {

				mesh.addVertex(left[k]);
				mesh.addVertex(right[k]);

				mesh.addColor(color_palette[i]);
				mesh.addColor(color_palette[i]);
			}

			for (int k = 0; k < mesh.getNumVertices() - 2; k += 2) {

				mesh.addIndex(k + 0); mesh.addIndex(k + 1); mesh.addIndex(k + 3);
				mesh.addIndex(k + 0); mesh.addIndex(k + 2); mesh.addIndex(k + 3);
			}

			mesh.addVertex(last_location);
			mesh.addColor(color_palette[i]);
			int index = mesh.getNumVertices();
			for (auto theta = last_theta - PI * 0.5; theta <= last_theta + PI * 0.5; theta += PI / 20) {

				mesh.addVertex(last_location + glm::vec3(head_size * cos(theta), head_size * sin(theta), 0));
				mesh.addColor(ofColor(color_palette[i]));
			}

			for (int k = index; k < mesh.getNumVertices() - 1; k++) {

				mesh.addIndex(index); mesh.addIndex(k + 0); mesh.addIndex(k + 1);
			}

			mesh.draw();
		}
	}
}

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

ofSetLineWidth(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

// Day 228 Zenith Blue

vector<ofColor> color_palette;

color_palette.push_back(ofColor(134, 179, 224));

color_palette.push_back(ofColor(251, 218, 205));

color_palette.push_back(ofColor(234, 96, 148));

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

int number_of_satellite = 3;

int number_of_log = 80;

int location_radius = 200;

auto speed = 1.5;

ofColor color(color_palette[0]);

for (int param = 0; param < 360; param += 180) {

auto base_location = glm::vec3(location_radius * cos((ofGetFrameNum() * speed + param + number_of_log) * DEG_TO_RAD), location_radius * sin((ofGetFrameNum() * speed + param + number_of_log) * DEG_TO_RAD), 0);

auto base_radius = 60;

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

ofSetColor(color_palette[i]);

float noise_seed_x = ofRandom(1000);

float noise_seed_y = ofRandom(1000);

auto location = glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1));

location = glm::normalize(location) * base_radius * 1.5;

vector<glm::vec3> log_list;

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

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_y, (ofGetFrameNum() * speed + k) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0));

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_x, (ofGetFrameNum() * speed + k) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));

auto tmp_base_location = glm::vec3(location_radius * cos((ofGetFrameNum() * speed + param + k) * DEG_TO_RAD), location_radius * sin((ofGetFrameNum() * speed + param + k) * DEG_TO_RAD), 0);

auto log_location = tmp_base_location + glm::vec4(location, 0) * rotation_y * rotation_x;

log_list.push_back(log_location);

}

auto head_size = 12;

ofMesh mesh;

vector<glm::vec3> right, left;

glm::vec3 last_location;

float last_theta;

for (int k = 0; k < log_list.size() - 1; k++) {

auto location = log_list[k];

auto next = log_list[k + 1];

auto direction = next - location;

auto theta = atan2(direction.y, direction.x);

right.push_back(location + glm::vec3(ofMap(k, 0, log_list.size(), 0, head_size) * cos(theta + PI * 0.5), ofMap(k, 0, log_list.size(), 0, head_size) * sin(theta + PI * 0.5), 0));

left.push_back(location + glm::vec3(ofMap(k, 0, log_list.size(), 0, head_size) * cos(theta - PI * 0.5), ofMap(k, 0, log_list.size(), 0, head_size) * sin(theta - PI * 0.5), 0));

last_location = location;

last_theta = theta;

}

for (int k = 0; k < right.size(); k++) {

mesh.addVertex(left[k]);

mesh.addVertex(right[k]);

mesh.addColor(color_palette[i]);

}

for (int k = 0; k < mesh.getNumVertices() - 2; k += 2) {

mesh.addIndex(k + 0); mesh.addIndex(k + 1); mesh.addIndex(k + 3);

mesh.addIndex(k + 0); mesh.addIndex(k + 2); mesh.addIndex(k + 3);

}

mesh.addVertex(last_location);

mesh.addColor(color_palette[i]);

int index = mesh.getNumVertices();

for (auto theta = last_theta - PI * 0.5; theta <= last_theta + PI * 0.5; theta += PI / 20) {

mesh.addVertex(last_location + glm::vec3(head_size * cos(theta), head_size * sin(theta), 0));

mesh.addColor(ofColor(color_palette[i]));

}

for (int k = index; k < mesh.getNumVertices() - 1; k++) {

mesh.addIndex(index); mesh.addIndex(k + 0); mesh.addIndex(k + 1);

}

mesh.draw();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220527

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2022年5月26日

Rising sun. Draw by openFrameworks

[ Video ]

[ About ]
太陽！

Sun !

[ 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::vec2 make_point(int len, int param);

	void draw_sun(glm::vec2, vector<ofColor> color_palette);
};

#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(int len, int param);

void draw_sun(glm::vec2, vector<ofColor> color_palette);

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");
	
	ofBackground(255);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
	ofSetLineWidth(2);
}

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

}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	// Day 062 Cardinal Red
	vector<ofColor> color_palette;
	color_palette.push_back(ofColor(183, 24, 12));
	color_palette.push_back(ofColor(175, 168, 86));
	color_palette.push_back(ofColor(220, 221, 221));

	for (int x = -240; x <= 240; x += 240) {
	
		this->draw_sun(glm::vec2(x, 0), color_palette);
	}
	 
	// Day 165 French Vanilla
	color_palette.clear();
	color_palette.push_back(ofColor(249, 233, 204));
	color_palette.push_back(ofColor(217, 160, 182));
	color_palette.push_back(ofColor(124, 91, 143));

	for (int x = -240; x <= 240; x += 240) {

		this->draw_sun(glm::vec2(x, -240), color_palette);
	}

	// Day 228 Zenith Blue
	color_palette.clear();
	color_palette.push_back(ofColor(134, 179, 224));
	color_palette.push_back(ofColor(251, 218, 205));
	color_palette.push_back(ofColor(234, 96, 148));

	for (int x = -240; x <= 240; x += 240) {

		this->draw_sun(glm::vec2(x, 240), color_palette);
	}

}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

//--------------------------------------------------------------
void ofApp::draw_sun(glm::vec2 location, vector<ofColor> color_palette) {

	int small_radius = 35;
	int big_radius = 200;
	int param_span = 2;

	for (int i = 0; i < 3; i++) {

		int x = i * 235 - 235;

		ofSetColor(color_palette[i % 3]);
		ofFill();
		ofDrawRectangle(glm::vec2(x, location.y), big_radius * 1.05, big_radius * 1.05);

		for (int param_start = ofGetFrameNum() * 0.15; param_start < ofGetFrameNum() * 0.15 + 100; param_start += param_span * 2) {

			vector<glm::vec2> in, out;

			for (int param = param_start; param < param_start + param_span; param++) {

				int deg = param * 3.6 - 135;
				in.push_back(glm::vec2(x + small_radius * cos(deg * DEG_TO_RAD), location.y + small_radius * sin(deg * DEG_TO_RAD)));
				out.push_back(glm::vec2(x, location.y) + make_point(big_radius, param));
			}

			reverse(out.begin(), out.end());

			ofSetColor(color_palette[(i + 1) % 3]);
			ofFill();

			ofBeginShape();
			ofVertices(in);
			ofVertices(out);
			ofEndShape(true);

			ofDrawCircle(glm::vec2(x, location.y), small_radius * 0.8);
		}

		ofSetColor(color_palette[(i + 1) % 3]);
		ofNoFill();
		ofDrawRectangle(glm::vec2(x, location.y), big_radius * 1.05, big_radius * 1.05);
	}
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

ofSetLineWidth(2);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

// Day 062 Cardinal Red

vector<ofColor> color_palette;

color_palette.push_back(ofColor(183, 24, 12));

color_palette.push_back(ofColor(175, 168, 86));

color_palette.push_back(ofColor(220, 221, 221));

for (int x = -240; x <= 240; x += 240) {

this->draw_sun(glm::vec2(x, 0), color_palette);

}

// Day 165 French Vanilla

color_palette.clear();

color_palette.push_back(ofColor(249, 233, 204));

color_palette.push_back(ofColor(217, 160, 182));

color_palette.push_back(ofColor(124, 91, 143));

for (int x = -240; x <= 240; x += 240) {

this->draw_sun(glm::vec2(x, -240), color_palette);

}

// Day 228 Zenith Blue

color_palette.clear();

color_palette.push_back(ofColor(134, 179, 224));

color_palette.push_back(ofColor(251, 218, 205));

color_palette.push_back(ofColor(234, 96, 148));

for (int x = -240; x <= 240; x += 240) {

this->draw_sun(glm::vec2(x, 240), color_palette);

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

void ofApp::draw_sun(glm::vec2 location, vector<ofColor> color_palette) {

int small_radius = 35;

int big_radius = 200;

int param_span = 2;

for (int i = 0; i < 3; i++) {

int x = i * 235 - 235;

ofSetColor(color_palette[i % 3]);

ofFill();

ofDrawRectangle(glm::vec2(x, location.y), big_radius * 1.05, big_radius * 1.05);

for (int param_start = ofGetFrameNum() * 0.15; param_start < ofGetFrameNum() * 0.15 + 100; param_start += param_span * 2) {

vector<glm::vec2> in, out;

for (int param = param_start; param < param_start + param_span; param++) {

int deg = param * 3.6 - 135;

in.push_back(glm::vec2(x + small_radius * cos(deg * DEG_TO_RAD), location.y + small_radius * sin(deg * DEG_TO_RAD)));

out.push_back(glm::vec2(x, location.y) + make_point(big_radius, param));

}

reverse(out.begin(), out.end());

ofSetColor(color_palette[(i + 1) % 3]);

ofFill();

ofBeginShape();

ofVertices(in);

ofVertices(out);

ofEndShape(true);

ofDrawCircle(glm::vec2(x, location.y), small_radius * 0.8);

}

ofSetColor(color_palette[(i + 1) % 3]);

ofNoFill();

ofDrawRectangle(glm::vec2(x, location.y), big_radius * 1.05, big_radius * 1.05);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220526

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2022年5月
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