sphere – ページ 47 – プログラミング de 落描き

2020年1月12日

Sphere is transform and stop. openFrameworks

[ Video ]

[ About ]
球体の変化＆停止。

Sphere is transform 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) {};

	ofEasyCam cam;
	
	vector<ofMesh> mesh_list;
	vector<ofMeshFace> triangle_list;
	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) {};

ofEasyCam cam;

vector<ofMesh> mesh_list;

vector<ofMeshFace> triangle_list;

float noise_param;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

	ofIcoSpherePrimitive ico_sphere;
	ico_sphere = ofIcoSpherePrimitive(200, 3);
	this->triangle_list = ico_sphere.getMesh().getUniqueFaces();

	this->noise_param = ofRandom(1000);
}

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

	ofSeedRandom(39);

	if (ofGetFrameNum() % 60 < 45) {

		this->noise_param += ofMap(ofGetFrameNum() % 60, 0, 45, 0.05, 0);
	}

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

		auto triangle = this->triangle_list[i];
		auto avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;
		auto noise_value = ofNoise(avg.x * 0.01, avg.y * 0.01, avg.z * 0.01, this->noise_param);

		vector<glm::vec3> vertices;
		vertices.push_back(glm::normalize(glm::vec3(triangle.getVertex(0) - avg) * 0.9 + avg) * ofMap(noise_value, 0, 1, 50, 350));
		vertices.push_back(glm::normalize(glm::vec3(triangle.getVertex(1) - avg) * 0.9 + avg) * ofMap(noise_value, 0, 1, 50, 350));
		vertices.push_back(glm::normalize(glm::vec3(triangle.getVertex(2) - avg) * 0.9 + avg) * ofMap(noise_value, 0, 1, 50, 350));

		ofMesh mesh;

		mesh.addVertex(glm::vec3());
		mesh.addVertices(vertices);

		mesh.addIndex(0);
		mesh.addIndex(1);
		mesh.addIndex(2);

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

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

		mesh.addIndex(1);
		mesh.addIndex(2);
		mesh.addIndex(3);

		this->mesh_list.push_back(mesh);
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.5);
	ofRotateX(ofGetFrameNum() * 0.25);

	for (auto& mesh : this->mesh_list) {

		ofSetColor(39);
		mesh.drawFaces();

		ofSetColor(239);
		mesh.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);

ofSetLineWidth(1.5);

ofEnableDepthTest();

ofIcoSpherePrimitive ico_sphere;

ico_sphere = ofIcoSpherePrimitive(200, 3);

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

this->noise_param = ofRandom(1000);

}

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

void ofApp::update() {

ofSeedRandom(39);

if (ofGetFrameNum() % 60 < 45) {

this->noise_param += ofMap(ofGetFrameNum() % 60, 0, 45, 0.05, 0);

}

this->mesh_list.clear();

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

auto triangle = this->triangle_list[i];

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

auto noise_value = ofNoise(avg.x * 0.01, avg.y * 0.01, avg.z * 0.01, this->noise_param);

vector<glm::vec3> vertices;

vertices.push_back(glm::normalize(glm::vec3(triangle.getVertex(0) - avg) * 0.9 + avg) * ofMap(noise_value, 0, 1, 50, 350));

vertices.push_back(glm::normalize(glm::vec3(triangle.getVertex(1) - avg) * 0.9 + avg) * ofMap(noise_value, 0, 1, 50, 350));

vertices.push_back(glm::normalize(glm::vec3(triangle.getVertex(2) - avg) * 0.9 + avg) * ofMap(noise_value, 0, 1, 50, 350));

ofMesh mesh;

mesh.addVertex(glm::vec3());

mesh.addVertices(vertices);

mesh.addIndex(0);

mesh.addIndex(1);

mesh.addIndex(2);

mesh.addIndex(0);

mesh.addIndex(2);

mesh.addIndex(3);

mesh.addIndex(0);

mesh.addIndex(1);

mesh.addIndex(3);

mesh.addIndex(1);

mesh.addIndex(2);

mesh.addIndex(3);

this->mesh_list.push_back(mesh);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

ofRotateX(ofGetFrameNum() * 0.25);

for (auto& mesh : this->mesh_list) {

ofSetColor(39);

mesh.drawFaces();

ofSetColor(239);

mesh.drawWireframe();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200112/

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2020年1月6日2020年1月6日

Belt on sphere. openFrameworks

[ Video ]

[ About ]
球体上を移動する帯を見比べる。

Belt on sphere.

[ 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<ofMesh> mesh_list;
	vector<ofMesh> frame_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<ofMesh> mesh_list;

vector<ofMesh> frame_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);

	this->mesh_list.clear();
	this->frame_list.clear();

	for (int x = -160; x <= 160; x += 320) {

		for (int i = 0; i < 20; i++) {

			ofMesh mesh, frame;
			frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
			auto base = glm::vec3(x, 0, 0);
			auto param = glm::vec3();
			switch ((int)ofRandom(3)) {
			case 0:
				param = glm::vec3(5, 0, 0);
				break;
			case 1:
				param = glm::vec3(0, 5, 0);
				break;
			case 2:
				param = glm::vec3(0, 0, 5);
				break;
			}

			auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

			for (int k = 0; k < 50; k++) {

				auto location = glm::vec3(
					ofMap(ofNoise(noise_seed.x, (k + ofGetFrameNum()) * 0.01), 0, 1, -150, 150),
					ofMap(ofNoise(noise_seed.y, (k + ofGetFrameNum()) * 0.01), 0, 1, -150, 150),
					ofMap(ofNoise(noise_seed.z, (k + ofGetFrameNum()) * 0.01), 0, 1, -150, 150));

				location = glm::normalize(location) * 150;

				mesh.addVertex(base + location + param);
				mesh.addVertex(base + location - param);

				frame.addVertex(base + location + param);
				frame.addVertex(base + location - param);

				if (k > 0) {

					mesh.addIndex(k * 2); mesh.addIndex(k * 2 - 1); mesh.addIndex(k * 2 - 2);
					mesh.addIndex(k * 2); mesh.addIndex(k * 2 + 1); mesh.addIndex(k * 2 - 1);

					frame.addIndex(k * 2); frame.addIndex(k * 2 - 2);
					frame.addIndex(k * 2 + 1); frame.addIndex(k * 2 - 1);
				}
			}

			frame.addIndex(0); frame.addIndex(1);
			frame.addIndex(frame.getNumVertices() - 1); frame.addIndex(frame.getNumVertices() - 2);

			this->mesh_list.push_back(mesh);
			this->frame_list.push_back(frame);
		}
	}
}

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

	this->cam.begin();

	ofSetColor(39);
	ofDrawSphere(glm::vec3(-160, 0, 0), 135);

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

		ofSetColor(39);
		this->mesh_list[i].draw();

		ofSetColor(239);
		this->frame_list[i].drawWireframe();
	}

	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(239);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

this->mesh_list.clear();

this->frame_list.clear();

for (int x = -160; x <= 160; x += 320) {

for (int i = 0; i < 20; i++) {

ofMesh mesh, frame;

frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

auto base = glm::vec3(x, 0, 0);

auto param = glm::vec3();

switch ((int)ofRandom(3)) {

case 0:

param = glm::vec3(5, 0, 0);

break;

case 1:

param = glm::vec3(0, 5, 0);

break;

case 2:

param = glm::vec3(0, 0, 5);

break;

}

auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

for (int k = 0; k < 50; k++) {

auto location = glm::vec3(

ofMap(ofNoise(noise_seed.x, (k + ofGetFrameNum()) * 0.01), 0, 1, -150, 150),

ofMap(ofNoise(noise_seed.y, (k + ofGetFrameNum()) * 0.01), 0, 1, -150, 150),

ofMap(ofNoise(noise_seed.z, (k + ofGetFrameNum()) * 0.01), 0, 1, -150, 150));

location = glm::normalize(location) * 150;

mesh.addVertex(base + location + param);

mesh.addVertex(base + location - param);

frame.addVertex(base + location + param);

frame.addVertex(base + location - param);

if (k > 0) {

mesh.addIndex(k * 2); mesh.addIndex(k * 2 - 1); mesh.addIndex(k * 2 - 2);

mesh.addIndex(k * 2); mesh.addIndex(k * 2 + 1); mesh.addIndex(k * 2 - 1);

frame.addIndex(k * 2); frame.addIndex(k * 2 - 2);

frame.addIndex(k * 2 + 1); frame.addIndex(k * 2 - 1);

}

frame.addIndex(0); frame.addIndex(1);

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

this->mesh_list.push_back(mesh);

this->frame_list.push_back(frame);

}

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

void ofApp::draw() {

this->cam.begin();

ofSetColor(39);

ofDrawSphere(glm::vec3(-160, 0, 0), 135);

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

ofSetColor(39);

this->mesh_list[i].draw();

ofSetColor(239);

this->frame_list[i].drawWireframe();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200106

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2020年1月4日

Shape made by Noise. openFrameworks

[ Video ]

[ About ]
ノイズで座標移動した球体と、その距離で壁の高さを変化。

Shape made by 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) {};

	ofEasyCam cam;
	ofMesh face_mesh, frame_mesh;
	vector<glm::vec2> planet_list;
	float noise_seed;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

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

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

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

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

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

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

ofMesh face_mesh, frame_mesh;

vector<glm::vec2> planet_list;

float noise_seed;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);

	this->face_mesh.clear();
	this->frame_mesh.clear();
	this->planet_list.clear();

	int radius_span = 5;
	int deg_span = 10;
	int radius = 100;
	int range = 500;

	if (ofGetFrameNum() % 60 < 45) {

		this->noise_seed += ofMap(ofGetFrameNum() % 60, 0, 45, 0.015, 0);
	}

	for (int i = 0; i < 5; i++) {

		this->planet_list.push_back(glm::vec2(
			ofMap(ofNoise(ofRandom(1000), this->noise_seed), 0, 1, -range, range),
			ofMap(ofNoise(ofRandom(1000), this->noise_seed), 0, 1, -range, range)
		));
	}
	
	for (int deg_start = 0; deg_start < 360; deg_start += deg_span) {

		auto location = glm::vec2(radius * cos((deg_start + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg_start + deg_span * 0.5) * DEG_TO_RAD));
		auto z = 0;
		for (auto& planet : this->planet_list) {

			auto distance = glm::distance(location, planet) * 0.75;
			if (distance < 150) {

				z -= distance;
			}
			else if (distance < 300) {

				z += distance - 150;
			}
		}

		int param_index = this->face_mesh.getNumVertices();
		for (int deg = deg_start; deg < deg_start + deg_span; deg++) {

			int index = this->face_mesh.getNumVertices();

			vector<glm::vec3> vertices;

			vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z));
			vertices.push_back(glm::vec3((radius + radius_span) * cos(deg * DEG_TO_RAD), (radius + radius_span) * sin(deg * DEG_TO_RAD), z));
			vertices.push_back(glm::vec3((radius + radius_span) * cos((deg + 1) * DEG_TO_RAD), (radius + radius_span) * sin((deg + 1) * DEG_TO_RAD), z));
			vertices.push_back(glm::vec3(radius * cos((deg + 1) * DEG_TO_RAD), radius * sin((deg + 1) * DEG_TO_RAD), z));

			vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));
			vertices.push_back(glm::vec3((radius + radius_span) * cos(deg * DEG_TO_RAD), (radius + radius_span) * sin(deg * DEG_TO_RAD), 0));
			vertices.push_back(glm::vec3((radius + radius_span) * cos((deg + 1) * DEG_TO_RAD), (radius + radius_span) * sin((deg + 1) * DEG_TO_RAD), 0));
			vertices.push_back(glm::vec3(radius * cos((deg + 1) * DEG_TO_RAD), radius * sin((deg + 1) * DEG_TO_RAD), 0));

			this->face_mesh.addVertices(vertices);

			this->face_mesh.addIndex(index + 0);	this->face_mesh.addIndex(index + 1); this->face_mesh.addIndex(index + 2);
			this->face_mesh.addIndex(index + 0); this->face_mesh.addIndex(index + 2); this->face_mesh.addIndex(index + 3);

			this->face_mesh.addIndex(index + 4);	this->face_mesh.addIndex(index + 5); this->face_mesh.addIndex(index + 6);
			this->face_mesh.addIndex(index + 4); this->face_mesh.addIndex(index + 6); this->face_mesh.addIndex(index + 7);

			this->face_mesh.addIndex(index + 0);	this->face_mesh.addIndex(index + 3); this->face_mesh.addIndex(index + 7);
			this->face_mesh.addIndex(index + 0); this->face_mesh.addIndex(index + 4); this->face_mesh.addIndex(index + 7);

			this->face_mesh.addIndex(index + 1);	this->face_mesh.addIndex(index + 2); this->face_mesh.addIndex(index + 6);
			this->face_mesh.addIndex(index + 1);	this->face_mesh.addIndex(index + 5); this->face_mesh.addIndex(index + 6);

			this->frame_mesh.addVertices(vertices);

			this->frame_mesh.addIndex(index + 0); this->frame_mesh.addIndex(index + 3);
			this->frame_mesh.addIndex(index + 4); this->frame_mesh.addIndex(index + 7);

			this->frame_mesh.addIndex(index + 1); this->frame_mesh.addIndex(index + 2);
			this->frame_mesh.addIndex(index + 5); this->frame_mesh.addIndex(index + 6);
		}

		this->face_mesh.addIndex(param_index + 0); this->face_mesh.addIndex(param_index + 1); this->face_mesh.addIndex(param_index + 5);
		this->face_mesh.addIndex(param_index + 0); this->face_mesh.addIndex(param_index + 4); this->face_mesh.addIndex(param_index + 5);

		this->frame_mesh.addIndex(param_index + 0); this->frame_mesh.addIndex(param_index + 1);
		this->frame_mesh.addIndex(param_index + 4); this->frame_mesh.addIndex(param_index + 5);

		this->frame_mesh.addIndex(param_index + 0); this->frame_mesh.addIndex(param_index + 4);
		this->frame_mesh.addIndex(param_index + 1); this->frame_mesh.addIndex(param_index + 5);

		param_index = this->face_mesh.getNumVertices() - 8;

		this->face_mesh.addIndex(param_index + 2); this->face_mesh.addIndex(param_index + 3); this->face_mesh.addIndex(param_index + 6);
		this->face_mesh.addIndex(param_index + 3); this->face_mesh.addIndex(param_index + 6); this->face_mesh.addIndex(param_index + 7);

		this->frame_mesh.addIndex(param_index + 2); this->frame_mesh.addIndex(param_index + 3);
		this->frame_mesh.addIndex(param_index + 6); this->frame_mesh.addIndex(param_index + 7);

		this->frame_mesh.addIndex(param_index + 2); this->frame_mesh.addIndex(param_index + 6);
		this->frame_mesh.addIndex(param_index + 3); this->frame_mesh.addIndex(param_index + 7);
	}
}

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

	this->cam.begin();
	
	ofSetColor(39);
	this->face_mesh.drawFaces();

	for (auto& planet : this->planet_list) {

		ofDrawSphere(glm::vec3(planet, 0), 10);
	}

	for (int i = 0; i < this->planet_list.size() - 1; i++) {

		ofDrawLine(this->planet_list[i], this->planet_list[i + 1]);
	}
	ofDrawLine(this->planet_list[this->planet_list.size() - 1], this->planet_list[0]);

	ofSetColor(239);
	this->frame_mesh.drawWireframe();

	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(239);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face_mesh.clear();

this->frame_mesh.clear();

this->planet_list.clear();

int radius_span = 5;

int deg_span = 10;

int radius = 100;

int range = 500;

if (ofGetFrameNum() % 60 < 45) {

this->noise_seed += ofMap(ofGetFrameNum() % 60, 0, 45, 0.015, 0);

}

for (int i = 0; i < 5; i++) {

this->planet_list.push_back(glm::vec2(

ofMap(ofNoise(ofRandom(1000), this->noise_seed), 0, 1, -range, range),

ofMap(ofNoise(ofRandom(1000), this->noise_seed), 0, 1, -range, range)

));

}

for (int deg_start = 0; deg_start < 360; deg_start += deg_span) {

auto location = glm::vec2(radius * cos((deg_start + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg_start + deg_span * 0.5) * DEG_TO_RAD));

auto z = 0;

for (auto& planet : this->planet_list) {

auto distance = glm::distance(location, planet) * 0.75;

if (distance < 150) {

z -= distance;

}

else if (distance < 300) {

z += distance - 150;

}

int param_index = this->face_mesh.getNumVertices();

for (int deg = deg_start; deg < deg_start + deg_span; deg++) {

int index = this->face_mesh.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z));

vertices.push_back(glm::vec3((radius + radius_span) * cos(deg * DEG_TO_RAD), (radius + radius_span) * sin(deg * DEG_TO_RAD), z));

vertices.push_back(glm::vec3((radius + radius_span) * cos((deg + 1) * DEG_TO_RAD), (radius + radius_span) * sin((deg + 1) * DEG_TO_RAD), z));

vertices.push_back(glm::vec3(radius * cos((deg + 1) * DEG_TO_RAD), radius * sin((deg + 1) * DEG_TO_RAD), z));

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

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

vertices.push_back(glm::vec3((radius + radius_span) * cos((deg + 1) * DEG_TO_RAD), (radius + radius_span) * sin((deg + 1) * DEG_TO_RAD), 0));

vertices.push_back(glm::vec3(radius * cos((deg + 1) * DEG_TO_RAD), radius * sin((deg + 1) * DEG_TO_RAD), 0));

this->face_mesh.addVertices(vertices);

this->face_mesh.addIndex(index + 0); this->face_mesh.addIndex(index + 1); this->face_mesh.addIndex(index + 2);

this->face_mesh.addIndex(index + 0); this->face_mesh.addIndex(index + 2); this->face_mesh.addIndex(index + 3);

this->face_mesh.addIndex(index + 4); this->face_mesh.addIndex(index + 5); this->face_mesh.addIndex(index + 6);

this->face_mesh.addIndex(index + 4); this->face_mesh.addIndex(index + 6); this->face_mesh.addIndex(index + 7);

this->face_mesh.addIndex(index + 0); this->face_mesh.addIndex(index + 3); this->face_mesh.addIndex(index + 7);

this->face_mesh.addIndex(index + 0); this->face_mesh.addIndex(index + 4); this->face_mesh.addIndex(index + 7);

this->face_mesh.addIndex(index + 1); this->face_mesh.addIndex(index + 2); this->face_mesh.addIndex(index + 6);

this->face_mesh.addIndex(index + 1); this->face_mesh.addIndex(index + 5); this->face_mesh.addIndex(index + 6);

this->frame_mesh.addVertices(vertices);

this->frame_mesh.addIndex(index + 0); this->frame_mesh.addIndex(index + 3);

this->frame_mesh.addIndex(index + 4); this->frame_mesh.addIndex(index + 7);

this->frame_mesh.addIndex(index + 1); this->frame_mesh.addIndex(index + 2);

this->frame_mesh.addIndex(index + 5); this->frame_mesh.addIndex(index + 6);

}

this->face_mesh.addIndex(param_index + 0); this->face_mesh.addIndex(param_index + 1); this->face_mesh.addIndex(param_index + 5);

this->face_mesh.addIndex(param_index + 0); this->face_mesh.addIndex(param_index + 4); this->face_mesh.addIndex(param_index + 5);

this->frame_mesh.addIndex(param_index + 0); this->frame_mesh.addIndex(param_index + 1);

this->frame_mesh.addIndex(param_index + 4); this->frame_mesh.addIndex(param_index + 5);

this->frame_mesh.addIndex(param_index + 0); this->frame_mesh.addIndex(param_index + 4);

this->frame_mesh.addIndex(param_index + 1); this->frame_mesh.addIndex(param_index + 5);

param_index = this->face_mesh.getNumVertices() - 8;

this->face_mesh.addIndex(param_index + 2); this->face_mesh.addIndex(param_index + 3); this->face_mesh.addIndex(param_index + 6);

this->face_mesh.addIndex(param_index + 3); this->face_mesh.addIndex(param_index + 6); this->face_mesh.addIndex(param_index + 7);

this->frame_mesh.addIndex(param_index + 2); this->frame_mesh.addIndex(param_index + 3);

this->frame_mesh.addIndex(param_index + 6); this->frame_mesh.addIndex(param_index + 7);

this->frame_mesh.addIndex(param_index + 2); this->frame_mesh.addIndex(param_index + 6);

this->frame_mesh.addIndex(param_index + 3); this->frame_mesh.addIndex(param_index + 7);

}

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

void ofApp::draw() {

this->cam.begin();

ofSetColor(39);

this->face_mesh.drawFaces();

for (auto& planet : this->planet_list) {

ofDrawSphere(glm::vec3(planet, 0), 10);

}

for (int i = 0; i < this->planet_list.size() - 1; i++) {

ofDrawLine(this->planet_list[i], this->planet_list[i + 1]);

}

ofDrawLine(this->planet_list[this->planet_list.size() - 1], this->planet_list[0]);

ofSetColor(239);

this->frame_mesh.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200104

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