2022年3月 – ページ 2 – プログラミング de 落描き

2022年3月28日

Dropping numbers. Draw by openFrameworks

[ Video ]

[ About ]
落ちる数字。

Dropping numbers.

[ 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) {};

	ofTrueTypeFont font;
	int font_size;

	ofEasyCam cam;
};

#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) {};

ofTrueTypeFont font;

int font_size;

ofEasyCam cam;

};

#include "ofApp.h"	

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(255);
	ofSetLineWidth(3);
	ofEnableDepthTest();

	this->font_size = 40;
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(180);
	ofRotateY(ofGetFrameNum() * -1.5);

	string word = "0123456789";
	int sample_count = 300;

	for (int i = 0; i < 100; i++) {

		int word_index = ofRandom(word.size());
		auto radius = 216 + ofRandom(-8, 8);
		glm::vec3 base_location = glm::vec3(0, (int)(ofRandom(-600, 600) + ofGetFrameNum() * ofRandom(4, 10)) % 1200 - 600, ofRandom(20, 90));
		auto rotation_y = glm::rotate(glm::mat4(), ofRandom(-PI, PI), glm::vec3(0, 1, 0));

		ofPath chara_path = this->font.getCharacterAsPoints(word[word_index], true, false);
		vector<ofPolyline> outline = chara_path.getOutline();

		ofFill();
		ofSetColor(255);
		ofBeginShape();
		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			if (outline_index != 0) { ofNextContour(true); }

			auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();
			for (auto& vertex : vertices) {

				auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * 0.5, 0);
				location.x *= -1;
				location = glm::vec4(base_location + location, 0) * rotation_y;

				if (location.y > -radius && location.y < radius) {
				
					location = glm::normalize(location) * radius;
				}
				ofVertex(location);
			}
		}
		ofEndShape(true);

		ofNoFill();
		ofSetColor(0);
		ofBeginShape();
		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			if (outline_index != 0) { ofNextContour(true); }

			auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();
			for (auto& vertex : vertices) {

				auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * 0.5, 0);
				location.x *= -1;
				location = glm::vec4(base_location + location, 0) * rotation_y;

				if (location.y > -radius && location.y < radius) {
					
					location = glm::normalize(location) * radius;
				}
				ofVertex(location);
			}
		}
		ofEndShape(true);
	}

	this->cam.end();
}


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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

ofSetLineWidth(3);

ofEnableDepthTest();

this->font_size = 40;

this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofRotateY(ofGetFrameNum() * -1.5);

string word = "0123456789";

int sample_count = 300;

for (int i = 0; i < 100; i++) {

int word_index = ofRandom(word.size());

auto radius = 216 + ofRandom(-8, 8);

glm::vec3 base_location = glm::vec3(0, (int)(ofRandom(-600, 600) + ofGetFrameNum() * ofRandom(4, 10)) % 1200 - 600, ofRandom(20, 90));

auto rotation_y = glm::rotate(glm::mat4(), ofRandom(-PI, PI), glm::vec3(0, 1, 0));

ofPath chara_path = this->font.getCharacterAsPoints(word[word_index], true, false);

vector<ofPolyline> outline = chara_path.getOutline();

ofFill();

ofSetColor(255);

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

if (outline_index != 0) { ofNextContour(true); }

auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();

for (auto& vertex : vertices) {

auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * 0.5, 0);

location.x *= -1;

location = glm::vec4(base_location + location, 0) * rotation_y;

if (location.y > -radius && location.y < radius) {

location = glm::normalize(location) * radius;

}

ofVertex(location);

}

ofEndShape(true);

ofNoFill();

ofSetColor(0);

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

if (outline_index != 0) { ofNextContour(true); }

auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();

for (auto& vertex : vertices) {

auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * 0.5, 0);

location.x *= -1;

location = glm::vec4(base_location + location, 0) * rotation_y;

if (location.y > -radius && location.y < radius) {

location = glm::normalize(location) * radius;

}

ofVertex(location);

}

ofEndShape(true);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220328

2022年3月27日

Gradation tornado. Draw by openFrameworks

[ Video ]

[ About ]
トーラスを中から除くシリーズ。

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

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

	ofEasyCam cam;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

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

ofEasyCam cam;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(255);
	ofSetLineWidth(2);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

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

	int v_span = 1;
	int u_span = 30;
	int R = 200;

	ofMesh face, line;
	line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

	ofColor face_color;
	float noise_seed = ofRandom(1000);
	for (int r = 30; r >= 10; r -= 2) {

		face_color.setHsb(ofMap(r, 30, 10, 0, 256), 130, 255);
		face_color = ofColor(face_color, 192);
		ofColor line_color = ofColor(255);

		for (int v = 0; v <= 360; v += v_span) {

			bool flag = true;
			int u_start = ofMap(ofNoise(noise_seed, cos(v * DEG_TO_RAD) * 0.5, sin(v * DEG_TO_RAD) * 0.5, ofGetFrameNum() * 0.0025 + r * 0.0025), 0, 1, -720, 720);
			int next_u = ofMap(ofNoise(noise_seed, cos((v + v_span) * DEG_TO_RAD) * 0.5, sin((v + v_span) * DEG_TO_RAD) * 0.5, ofGetFrameNum() * 0.0025 + r * 0.0025), 0, 1, -720, 720);
			for (int u = u_start; u < u_start + 360; u += u_span) {

				if (flag) {

					face.addVertex(this->make_point(R, r, u, v));
					face.addVertex(this->make_point(R, r, u + u_span, v));
					face.addVertex(this->make_point(R, r, next_u + u_span, v + v_span));
					face.addVertex(this->make_point(R, r, next_u, v + v_span));

					line.addVertex(this->make_point(R, r, u, v));
					line.addVertex(this->make_point(R, r, u + u_span, v));
					line.addVertex(this->make_point(R, r, next_u + u_span, v + v_span));
					line.addVertex(this->make_point(R, r, next_u, v + v_span));

					face.addColor(face_color);
					face.addColor(face_color);
					face.addColor(face_color);
					face.addColor(face_color);

					line.addColor(line_color);
					line.addColor(line_color);
					line.addColor(line_color);
					line.addColor(line_color);

					face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 3);
					face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 4);

					line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 4);
					line.addIndex(line.getNumVertices() - 2); line.addIndex(line.getNumVertices() - 3);
				}

				next_u += u_span;
				flag = !flag;
			}
		}
	}

	face.drawFaces();
	line.drawWireframe();

	this->cam.end();
}

//--------------------------------------------------------------
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(30);

ofSetWindowTitle("openframeworks");

ofBackground(255);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(90);

ofRotateZ(ofGetFrameNum());

int v_span = 1;

int u_span = 30;

int R = 200;

ofMesh face, line;

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

ofColor face_color;

float noise_seed = ofRandom(1000);

for (int r = 30; r >= 10; r -= 2) {

face_color.setHsb(ofMap(r, 30, 10, 0, 256), 130, 255);

face_color = ofColor(face_color, 192);

ofColor line_color = ofColor(255);

for (int v = 0; v <= 360; v += v_span) {

bool flag = true;

int u_start = ofMap(ofNoise(noise_seed, cos(v * DEG_TO_RAD) * 0.5, sin(v * DEG_TO_RAD) * 0.5, ofGetFrameNum() * 0.0025 + r * 0.0025), 0, 1, -720, 720);

int next_u = ofMap(ofNoise(noise_seed, cos((v + v_span) * DEG_TO_RAD) * 0.5, sin((v + v_span) * DEG_TO_RAD) * 0.5, ofGetFrameNum() * 0.0025 + r * 0.0025), 0, 1, -720, 720);

for (int u = u_start; u < u_start + 360; u += u_span) {

if (flag) {

face.addVertex(this->make_point(R, r, u, v));

face.addVertex(this->make_point(R, r, u + u_span, v));

face.addVertex(this->make_point(R, r, next_u + u_span, v + v_span));

face.addVertex(this->make_point(R, r, next_u, v + v_span));

line.addVertex(this->make_point(R, r, u, v));

line.addVertex(this->make_point(R, r, u + u_span, v));

line.addVertex(this->make_point(R, r, next_u + u_span, v + v_span));

line.addVertex(this->make_point(R, r, next_u, v + v_span));

face.addColor(face_color);

line.addColor(line_color);

face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 3);

face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 4);

line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 4);

line.addIndex(line.getNumVertices() - 2); line.addIndex(line.getNumVertices() - 3);

}

next_u += u_span;

flag = !flag;

}

face.drawFaces();

line.drawWireframe();

this->cam.end();

}

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

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/Insta20220327

2022年3月26日

Poisonous-looking. Draw by openFrameworks

[ Video ]

[ About ]
どくどくしいサークル。

Poisonous circle.

[ 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) {};

	ofMesh face, frame;
};

#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) {};

ofMesh face, frame;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(ofColor(44, 121, 191));

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

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

	ofSeedRandom(39);

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

	float deg_span = 1;
	float len = 2;

	for (float radius = 50; radius <= 270; radius += len) {

		for (float deg = 0; deg < 360; deg += deg_span) {

			auto noise_location = glm::vec2(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD));
			auto prev_noise_location = glm::vec2(cos((deg - deg_span) * DEG_TO_RAD), sin((deg - deg_span) * DEG_TO_RAD));
			auto next_noise_location = glm::vec2(cos((deg + deg_span) * DEG_TO_RAD), sin((deg + deg_span) * DEG_TO_RAD));

			auto noise_value = ofNoise(glm::vec3(noise_location, radius * 0.045 - ofGetFrameNum() * 0.085));
			auto prev_noise_value = ofNoise(glm::vec3(prev_noise_location, radius * 0.045 - ofGetFrameNum() * 0.085));
			auto next_noise_value = ofNoise(glm::vec3(next_noise_location, radius * 0.045 - ofGetFrameNum() * 0.085));
			auto top_noise_value = ofNoise(glm::vec3(noise_location, (radius + len) * 0.045 - ofGetFrameNum() * 0.085));
			auto bottom_noise_value = ofNoise(glm::vec3(noise_location, (radius - len) * 0.045 - ofGetFrameNum() * 0.085));

			if (noise_value > 0.5) {

				vector<glm::vec3> vertices;
				vertices.push_back(glm::vec3((radius + len * 0.5) * cos((deg + deg_span * 0.5) * DEG_TO_RAD), (radius + len * 0.5) * sin((deg + deg_span * 0.5) * DEG_TO_RAD), 0));
				vertices.push_back(glm::vec3((radius - len * 0.5) * cos((deg + deg_span * 0.5) * DEG_TO_RAD), (radius - len * 0.5) * sin((deg + deg_span * 0.5) * DEG_TO_RAD), 0));
				vertices.push_back(glm::vec3((radius - len * 0.5) * cos((deg - deg_span * 0.5) * DEG_TO_RAD), (radius - len * 0.5) * sin((deg - deg_span * 0.5) * DEG_TO_RAD), 0));
				vertices.push_back(glm::vec3((radius + len * 0.5) * cos((deg - deg_span * 0.5) * DEG_TO_RAD), (radius + len * 0.5) * sin((deg - deg_span * 0.5) * DEG_TO_RAD), 0));

				this->face.addVertices(vertices);
				this->frame.addVertices(vertices);

				this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 2, this->face.getNumVertices() - 3);
				this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 3, this->face.getNumVertices() - 4);

				if (prev_noise_value <= 0.5) {

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

				if (next_noise_value <= 0.5) {

					this->frame.addIndex(this->frame.getNumVertices() - 3); this->frame.addIndex(this->frame.getNumVertices() - 4);
				}

				if (top_noise_value <= 0.5 || radius == 270) {

					this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 4);
				}

				if (bottom_noise_value <= 0.5 || radius == 50) {

					this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 3);
				}


			}
		}
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	ofSetColor(ofColor(200, 59, 57));
	this->face.draw();

	ofSetColor(255);
	this->frame.draw();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(ofColor(44, 121, 191));

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

float deg_span = 1;

float len = 2;

for (float radius = 50; radius <= 270; radius += len) {

for (float deg = 0; deg < 360; deg += deg_span) {

auto noise_location = glm::vec2(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD));

auto prev_noise_location = glm::vec2(cos((deg - deg_span) * DEG_TO_RAD), sin((deg - deg_span) * DEG_TO_RAD));

auto next_noise_location = glm::vec2(cos((deg + deg_span) * DEG_TO_RAD), sin((deg + deg_span) * DEG_TO_RAD));

auto noise_value = ofNoise(glm::vec3(noise_location, radius * 0.045 - ofGetFrameNum() * 0.085));

auto prev_noise_value = ofNoise(glm::vec3(prev_noise_location, radius * 0.045 - ofGetFrameNum() * 0.085));

auto next_noise_value = ofNoise(glm::vec3(next_noise_location, radius * 0.045 - ofGetFrameNum() * 0.085));

auto top_noise_value = ofNoise(glm::vec3(noise_location, (radius + len) * 0.045 - ofGetFrameNum() * 0.085));

auto bottom_noise_value = ofNoise(glm::vec3(noise_location, (radius - len) * 0.045 - ofGetFrameNum() * 0.085));

if (noise_value > 0.5) {

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3((radius + len * 0.5) * cos((deg + deg_span * 0.5) * DEG_TO_RAD), (radius + len * 0.5) * sin((deg + deg_span * 0.5) * DEG_TO_RAD), 0));

vertices.push_back(glm::vec3((radius - len * 0.5) * cos((deg + deg_span * 0.5) * DEG_TO_RAD), (radius - len * 0.5) * sin((deg + deg_span * 0.5) * DEG_TO_RAD), 0));

vertices.push_back(glm::vec3((radius - len * 0.5) * cos((deg - deg_span * 0.5) * DEG_TO_RAD), (radius - len * 0.5) * sin((deg - deg_span * 0.5) * DEG_TO_RAD), 0));

vertices.push_back(glm::vec3((radius + len * 0.5) * cos((deg - deg_span * 0.5) * DEG_TO_RAD), (radius + len * 0.5) * sin((deg - deg_span * 0.5) * DEG_TO_RAD), 0));

this->face.addVertices(vertices);

this->frame.addVertices(vertices);

this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 2, this->face.getNumVertices() - 3);

this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 3, this->face.getNumVertices() - 4);

if (prev_noise_value <= 0.5) {

this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2);

}

if (next_noise_value <= 0.5) {

this->frame.addIndex(this->frame.getNumVertices() - 3); this->frame.addIndex(this->frame.getNumVertices() - 4);

}

if (top_noise_value <= 0.5 || radius == 270) {

this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 4);

}

if (bottom_noise_value <= 0.5 || radius == 50) {

this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 3);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofSetColor(ofColor(200, 59, 57));

this->face.draw();

ofSetColor(255);

this->frame.draw();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220326

2022年3月
月	火	水	木	金	土	日
	1	2	3	4	5	6
7	8	9	10	11	12	13
14	15	16	17	18	19	20
21	22	23	24	25	26	27
28	29	30	31