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2021年6月2日2021年6月2日

Waving. Draw by openFrameworks

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Waving.

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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) {};

	ofEasyCam cam;
	ofMesh face, line;
};

#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;

ofMesh face, line;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);

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

	int size = 30;
	int direction = 1;

	for (int z = -500; z < 0; z += 10) {

		float noise_param = ofRandom(1000);
		direction *= -1;
		for (int x = -200; x <= 200; x += size) {

			int height = ofMap(ofNoise(noise_param, x * 0.003 + (ofGetFrameNum() * ofMap(z, 0, -500, 0.025, 0.001) * direction)), 0, 1, 0, 100 + std::abs(z));

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec3(x - size * 0.5, 0, z));
			vertices.push_back(glm::vec3(x - size * 0.5, height, z));
			vertices.push_back(glm::vec3(x + size * 0.5, height, z));
			vertices.push_back(glm::vec3(x + size * 0.5, 0, z));

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

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

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

			if (direction == -1) {

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

					this->face.addColor(ofColor(239));
					this->line.addColor(ofColor(39));
				}
			}
			else {

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

					this->face.addColor(ofColor(39));
					this->line.addColor(ofColor(239));
				}
			}
		}
	}
}

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

	this->cam.begin();

	this->face.draw();
	this->line.drawWireframe();

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(2);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->line.clear();

int size = 30;

int direction = 1;

for (int z = -500; z < 0; z += 10) {

float noise_param = ofRandom(1000);

direction *= -1;

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

int height = ofMap(ofNoise(noise_param, x * 0.003 + (ofGetFrameNum() * ofMap(z, 0, -500, 0.025, 0.001) * direction)), 0, 1, 0, 100 + std::abs(z));

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(x - size * 0.5, 0, z));

vertices.push_back(glm::vec3(x - size * 0.5, height, z));

vertices.push_back(glm::vec3(x + size * 0.5, height, z));

vertices.push_back(glm::vec3(x + size * 0.5, 0, z));

this->face.addVertices(vertices);

this->line.addVertices(vertices);

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

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

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

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

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

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

if (direction == -1) {

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

this->face.addColor(ofColor(239));

this->line.addColor(ofColor(39));

}

else {

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

this->face.addColor(ofColor(39));

this->line.addColor(ofColor(239));

}

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

void ofApp::draw() {

this->cam.begin();

this->face.draw();

this->line.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210602

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2021年6月1日2021年6月1日

Move and Stop. Draw by openFrameworks

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[ About ]
Move and stop.

[ 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) {};

	ofIcoSpherePrimitive ico_sphere;
	float noise_param;
};

#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) {};

ofIcoSpherePrimitive ico_sphere;

float noise_param;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofEnableDepthTest();

	this->ico_sphere = ofIcoSpherePrimitive(100, 2);
	this->noise_param = ofRandom(1000);
}

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

	if (ofGetFrameNum() % 60 < 20) {

		this->noise_param += ofMap(ofGetFrameNum() % 60, 0, 20, 0.2, 0);
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	ofSetColor(39);
	ofSetLineWidth(3);
	ofNoFill();

	auto tmp_noise_param = this->noise_param;

	ofBeginShape();
	for (int x = 0; x <= 330; x += 1) {

		if (x > 0 && (ofGetFrameNum() + x) % 60 < 20) {

			tmp_noise_param += ofMap((ofGetFrameNum() + x) % 60, 0, 20, 0.2, 0);
		}
		
		auto y = ofMap(ofNoise(tmp_noise_param), 0, 1, -100, 100);
		ofVertex(x, y);
	}
	ofEndShape();

	ofDrawLine(glm::vec2(0, -100), glm::vec2(0, 100));
	ofDrawLine(glm::vec2(330, -100), glm::vec2(330, 100));

	auto y = ofMap(ofNoise(this->noise_param), 0, 1, -100, 100);
	ofFill();
	ofDrawCircle(0, y, 8);

	ofTranslate(-180, 0);
	ofSetColor(39);
	ofSetLineWidth(1.5);

	ofRotateX(ofGetFrameNum() * 0.77);
	ofRotateY(ofGetFrameNum() * 0.39);

	auto triangle_list = this->ico_sphere.getMesh().getUniqueFaces();
	for (auto& triangle : triangle_list) {

		glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;
		auto noise_value = ofNoise(glm::vec4(avg * 0.015, this->noise_param));
		auto noise_radius = 0;

		if (noise_value < 0.65) {

			noise_radius = 80;
		}
		else {

			noise_radius = ofMap(noise_value, 0.65, 1.0, 80, 160);
		}

		ofMesh mesh;

		mesh.addVertex(glm::normalize(triangle.getVertex(0)) * noise_radius);
		mesh.addVertex(glm::normalize(triangle.getVertex(1)) * noise_radius);
		mesh.addVertex(glm::normalize(triangle.getVertex(2)) * noise_radius);

		avg = (mesh.getVertex(0) + mesh.getVertex(1) + mesh.getVertex(2)) / 3;

		ofSetColor(239);
		mesh.draw();

		ofSetColor(39);
		mesh.drawWireframe();

		ofDrawLine(glm::vec3(), avg);
	}
}

//--------------------------------------------------------------
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(239);

ofSetColor(39);

ofEnableDepthTest();

this->ico_sphere = ofIcoSpherePrimitive(100, 2);

this->noise_param = ofRandom(1000);

}

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

void ofApp::update() {

if (ofGetFrameNum() % 60 < 20) {

this->noise_param += ofMap(ofGetFrameNum() % 60, 0, 20, 0.2, 0);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofSetColor(39);

ofSetLineWidth(3);

ofNoFill();

auto tmp_noise_param = this->noise_param;

ofBeginShape();

for (int x = 0; x <= 330; x += 1) {

if (x > 0 && (ofGetFrameNum() + x) % 60 < 20) {

tmp_noise_param += ofMap((ofGetFrameNum() + x) % 60, 0, 20, 0.2, 0);

}

auto y = ofMap(ofNoise(tmp_noise_param), 0, 1, -100, 100);

ofVertex(x, y);

}

ofEndShape();

ofDrawLine(glm::vec2(0, -100), glm::vec2(0, 100));

ofDrawLine(glm::vec2(330, -100), glm::vec2(330, 100));

auto y = ofMap(ofNoise(this->noise_param), 0, 1, -100, 100);

ofFill();

ofDrawCircle(0, y, 8);

ofTranslate(-180, 0);

ofSetColor(39);

ofSetLineWidth(1.5);

ofRotateX(ofGetFrameNum() * 0.77);

ofRotateY(ofGetFrameNum() * 0.39);

auto triangle_list = this->ico_sphere.getMesh().getUniqueFaces();

for (auto& triangle : triangle_list) {

glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;

auto noise_value = ofNoise(glm::vec4(avg * 0.015, this->noise_param));

auto noise_radius = 0;

if (noise_value < 0.65) {

noise_radius = 80;

}

else {

noise_radius = ofMap(noise_value, 0.65, 1.0, 80, 160);

}

ofMesh mesh;

mesh.addVertex(glm::normalize(triangle.getVertex(0)) * noise_radius);

mesh.addVertex(glm::normalize(triangle.getVertex(1)) * noise_radius);

mesh.addVertex(glm::normalize(triangle.getVertex(2)) * noise_radius);

avg = (mesh.getVertex(0) + mesh.getVertex(1) + mesh.getVertex(2)) / 3;

ofSetColor(239);

mesh.draw();

ofSetColor(39);

mesh.drawWireframe();

ofDrawLine(glm::vec3(), avg);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210601

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2021年5月31日2021年5月31日

Motion from Noise. Draw by openFrameworks

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[ About ]
Motion from Noise.

[ 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 setRingToMesh(ofMesh& face_target, ofMesh& line_target, glm::vec3 location, float radius, float width, float height);

};

#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 setRingToMesh(ofMesh& face_target, ofMesh& line_target, glm::vec3 location, float radius, float width, float height);

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);

	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	vector<glm::vec2> location_list = { glm::vec2(ofGetWidth() * 0.5, ofGetHeight() * 0.25), glm::vec2(ofGetWidth() * 0.5, ofGetHeight() * 0.75) };
	vector<int> loop_count_list = { 1, 5 };

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

		ofPushMatrix();
		ofTranslate(location_list[i]);

		auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

		ofSetColor(39);
		ofSetLineWidth(3);

		ofBeginShape();
		for (int x = 0; x <= 340; x += 1) {

			auto y = ofMap(ofNoise(noise_seed.x, (x * 0.5 + ofGetFrameNum()) * 0.008), 0, 1, -100, 100);

			ofVertex(x, y);

			if (x == 0) {

				ofDrawCircle(x, y, 5);
			}
		}
		ofEndShape();

		ofDrawLine(glm::vec2(0, -100), glm::vec2(0, 100));
		ofDrawLine(glm::vec2(340, -100), glm::vec2(340, 100));

		ofDrawLine(glm::vec2(-10, -50), glm::vec2(10, -50));
		ofDrawLine(glm::vec2(-10, 0), glm::vec2(10, 0));

		ofDrawLine(glm::vec2(-10, 20), glm::vec2(10, 20));
		ofDrawLine(glm::vec2(-10, 70), glm::vec2(10, 70));

		ofTranslate(-180, 0);
		ofNoFill();
		ofSetColor(39);
		ofSetLineWidth(1.5);

		for (int k = 0; k < loop_count_list[i]; k++) {

			if (k > 0) {

				ofSetColor(39);
				ofDrawLine(glm::vec2(180 + k * 6, -100), glm::vec2(180 + k * 6, 100));
			}

			ofPushMatrix();

			auto noise_value = ofNoise(noise_seed.x, (ofGetFrameNum() + k * 6) * 0.008);
			if (noise_value > 0.25 && noise_value < 0.5) { ofRotateX(ofMap(noise_value, 0.25, 0.5, -180, 180)); }
			if (noise_value > 0.6 && noise_value < 0.85) { ofRotateY(ofMap(noise_value, 0.6, 0.85, -180, 180)); }

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

			this->setRingToMesh(face, line, glm::vec3(), ofMap(k, 0, loop_count_list[i], 120, 50), 20, 10);

			ofSetColor(39);
			face.draw();

			ofSetColor(239);
			line.draw();

			ofPopMatrix();
		}

		ofPopMatrix();
	}
}

//--------------------------------------------------------------
void ofApp::setRingToMesh(ofMesh& face_target, ofMesh& line_target, glm::vec3 location, float radius, float width, float height) {

	int deg_span = 90;
	for (int deg = 45; deg < 400; deg += deg_span) {

		auto face_index = face_target.getNumVertices();

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

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

		face_target.addVertices(vertices);

		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);
		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3);

		face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);
		face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);

		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);
		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1);

		face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 6);
		face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2);

		auto line_index = line_target.getNumVertices();

		line_target.addVertices(vertices);

		line_target.addIndex(line_index + 0); line_target.addIndex(line_index + 1);
		line_target.addIndex(line_index + 2); line_target.addIndex(line_index + 3);
		line_target.addIndex(line_index + 4); line_target.addIndex(line_index + 5);
		line_target.addIndex(line_index + 6); line_target.addIndex(line_index + 7);
	}
}

//--------------------------------------------------------------
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(239);

ofSetColor(39);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

vector<glm::vec2> location_list = { glm::vec2(ofGetWidth() * 0.5, ofGetHeight() * 0.25), glm::vec2(ofGetWidth() * 0.5, ofGetHeight() * 0.75) };

vector<int> loop_count_list = { 1, 5 };

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

ofPushMatrix();

ofTranslate(location_list[i]);

auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

ofSetColor(39);

ofSetLineWidth(3);

ofBeginShape();

for (int x = 0; x <= 340; x += 1) {

auto y = ofMap(ofNoise(noise_seed.x, (x * 0.5 + ofGetFrameNum()) * 0.008), 0, 1, -100, 100);

ofVertex(x, y);

if (x == 0) {

ofDrawCircle(x, y, 5);

}

ofEndShape();

ofDrawLine(glm::vec2(0, -100), glm::vec2(0, 100));

ofDrawLine(glm::vec2(340, -100), glm::vec2(340, 100));

ofDrawLine(glm::vec2(-10, -50), glm::vec2(10, -50));

ofDrawLine(glm::vec2(-10, 0), glm::vec2(10, 0));

ofDrawLine(glm::vec2(-10, 20), glm::vec2(10, 20));

ofDrawLine(glm::vec2(-10, 70), glm::vec2(10, 70));

ofTranslate(-180, 0);

ofNoFill();

ofSetColor(39);

ofSetLineWidth(1.5);

for (int k = 0; k < loop_count_list[i]; k++) {

if (k > 0) {

ofSetColor(39);

ofDrawLine(glm::vec2(180 + k * 6, -100), glm::vec2(180 + k * 6, 100));

}

ofPushMatrix();

auto noise_value = ofNoise(noise_seed.x, (ofGetFrameNum() + k * 6) * 0.008);

if (noise_value > 0.25 && noise_value < 0.5) { ofRotateX(ofMap(noise_value, 0.25, 0.5, -180, 180)); }

if (noise_value > 0.6 && noise_value < 0.85) { ofRotateY(ofMap(noise_value, 0.6, 0.85, -180, 180)); }

ofMesh face, line;

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

this->setRingToMesh(face, line, glm::vec3(), ofMap(k, 0, loop_count_list[i], 120, 50), 20, 10);

ofSetColor(39);

face.draw();

ofSetColor(239);

line.draw();

ofPopMatrix();

}

ofPopMatrix();

}

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

void ofApp::setRingToMesh(ofMesh& face_target, ofMesh& line_target, glm::vec3 location, float radius, float width, float height) {

int deg_span = 90;

for (int deg = 45; deg < 400; deg += deg_span) {

auto face_index = face_target.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));

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

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

vertices.push_back(glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

vertices.push_back(glm::vec3((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));

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

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

vertices.push_back(glm::vec3((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

face_target.addVertices(vertices);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1);

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 6);

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2);

auto line_index = line_target.getNumVertices();

line_target.addVertices(vertices);

line_target.addIndex(line_index + 0); line_target.addIndex(line_index + 1);

line_target.addIndex(line_index + 2); line_target.addIndex(line_index + 3);

line_target.addIndex(line_index + 4); line_target.addIndex(line_index + 5);

line_target.addIndex(line_index + 6); line_target.addIndex(line_index + 7);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210531

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