openFrameworks – ページ 252 – プログラミング de 落描き

2023年10月24日

Pair triangles.

[ Video ]

[ About ]
ペア三角形。

[ 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 radius, int deg);
};

#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 radius, int deg);

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetLineWidth(2);
}

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

}

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5 + 100);
	ofRotate(270);

	for (int radius = 50; radius <= 400; radius += 10) {

		int deg_start = radius * 0.5 + ofGetFrameNum() * 2.16;
		for (int deg = deg_start; deg < deg_start + 360; deg += 180) {

			vector<glm::vec2> vertices;
			for (int tmp_deg = deg; tmp_deg <= deg + 150; tmp_deg += 1) {

				vertices.push_back(glm::vec2(this->make_point(radius, tmp_deg)));
			}

			ofFill();
			ofSetColor(0);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);

			ofNoFill();
			ofSetColor(255);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);
		}
	}
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int radius, int deg) {

	deg = deg % 360;

	int deg_a = (deg / 120) * 120;
	int deg_b = deg_a + 120;

	int remainder = deg % 120;
	int diff = deg - deg_a;

	auto point_a = glm::vec2(radius * cos(deg_a * DEG_TO_RAD), radius * sin(deg_a * DEG_TO_RAD));
	auto point_b = glm::vec2(radius * cos(deg_b * DEG_TO_RAD), radius * sin(deg_b * DEG_TO_RAD));
	auto distance = point_b - point_a;

	return point_a + (distance / 120) * diff;
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5 + 100);

ofRotate(270);

for (int radius = 50; radius <= 400; radius += 10) {

int deg_start = radius * 0.5 + ofGetFrameNum() * 2.16;

for (int deg = deg_start; deg < deg_start + 360; deg += 180) {

vector<glm::vec2> vertices;

for (int tmp_deg = deg; tmp_deg <= deg + 150; tmp_deg += 1) {

vertices.push_back(glm::vec2(this->make_point(radius, tmp_deg)));

}

ofFill();

ofSetColor(0);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(255);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

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

glm::vec2 ofApp::make_point(int radius, int deg) {

deg = deg % 360;

int deg_a = (deg / 120) * 120;

int deg_b = deg_a + 120;

int remainder = deg % 120;

int diff = deg - deg_a;

auto point_a = glm::vec2(radius * cos(deg_a * DEG_TO_RAD), radius * sin(deg_a * DEG_TO_RAD));

auto point_b = glm::vec2(radius * cos(deg_b * DEG_TO_RAD), radius * sin(deg_b * DEG_TO_RAD));

auto distance = point_b - point_a;

return point_a + (distance / 120) * diff;

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20231024

2023年10月23日

Digital number.

[ Video ]

[ About ]
デジタル数字。

[ 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 mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	void draw_digital(glm::vec3 location, int number_index);
	void draw_hexagon(glm::vec3 location, float deg);

	vector<pair<glm::vec3, int>> number_list;

	float hexagon_height;
	float hexagon_width;

	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 mouseEntered(int x, int y) {};

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

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

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

void draw_digital(glm::vec3 location, int number_index);

void draw_hexagon(glm::vec3 location, float deg);

vector<pair<glm::vec3, int>> number_list;

float hexagon_height;

float hexagon_width;

ofEasyCam cam;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openframeworks");

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

	this->hexagon_height = 64;
	this->hexagon_width = 15;

	for (float x = -200; x <= 200; x += 100) {

		for (float z = -100; z <= 100; z += 20) {

			this->number_list.push_back(make_pair(glm::vec3(x, 0, z), 0));
		}
	}
}

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

}

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

	this->cam.begin();
	ofRotateX(150);

	for (auto& number : this->number_list) {

		int number_index = ofMap(ofNoise(number.first.x * 0.005, number.first.y * 0.005, number.first.z * 0.0015 + ofGetFrameNum() * 0.015), 0, 1, 0, 10);
		this->draw_digital(number.first, number_index);
	}

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::draw_digital(glm::vec3 location, int number_index) {

	vector<pair<glm::vec3, float>> part_list = {
		make_pair<glm::vec3, float>(location + glm::vec2(0, -this->hexagon_height), 90),
		make_pair<glm::vec3, float>(location + glm::vec2(this->hexagon_height * -0.5, this->hexagon_height * 0.5), 0),
		make_pair<glm::vec3, float>(location + glm::vec2(this->hexagon_height * 0.5, this->hexagon_height * 0.5), 0),
		make_pair<glm::vec3, float>(location + glm::vec2(0, 0), 90),
		make_pair<glm::vec3, float>(location + glm::vec2(this->hexagon_height * -0.5, this->hexagon_height * -0.5), 0),
		make_pair<glm::vec3, float>(location + glm::vec2(this->hexagon_height * 0.5, this->hexagon_height * -0.5), 0),
		make_pair<glm::vec3, float>(location + glm::vec2(0, this->hexagon_height), 90)
	};

	vector<vector<int>> index_list = {
		{ 0, 1, 2, 4, 5, 6 },
		{ 2, 5 },
		{ 0, 1, 3, 5, 6 },
		{ 0, 2, 3, 5, 6 },
		{ 2, 3, 4, 5 },
		{ 0, 2, 3, 4, 6 },
		{ 0, 1, 2, 3, 4, 6 },
		{ 0, 2, 5 },
		{ 0, 1, 2, 3, 4, 5, 6 },
		{ 0, 2, 3, 4, 5, 6 },
	};

	for (auto& index : index_list[number_index]) {

		this->draw_hexagon(part_list[index].first, part_list[index].second);
	}
}

//--------------------------------------------------------------
void ofApp::draw_hexagon(glm::vec3 location, float deg) {

	ofPushMatrix();
	ofTranslate(location);
	ofRotate(deg);

	vector<glm::vec2> vertices;
	vertices.push_back(glm::vec2(this->hexagon_width * -0.4, this->hexagon_height * -0.4));
	vertices.push_back(glm::vec2(this->hexagon_width * -0.4, this->hexagon_height * 0.4));
	vertices.push_back(glm::vec2(0, this->hexagon_height * 0.5));
	vertices.push_back(glm::vec2(this->hexagon_width * 0.4, this->hexagon_height * 0.4));
	vertices.push_back(glm::vec2(this->hexagon_width * 0.4, this->hexagon_height * -0.4));
	vertices.push_back(glm::vec2(0, this->hexagon_height * -0.5));

	ofFill();
	ofSetColor(255, ofMap(location.z, -100, 100, 255, 0));

	ofBeginShape();
	ofVertices(vertices);
	ofEndShape(true);

	ofNoFill();
	ofSetColor(0, ofMap(location.z, -100, 100, 255, 0));

	ofBeginShape();
	ofVertices(vertices);
	ofEndShape(true);

	ofPopMatrix();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofSetLineWidth(2);

ofEnableDepthTest();

this->hexagon_height = 64;

this->hexagon_width = 15;

for (float x = -200; x <= 200; x += 100) {

for (float z = -100; z <= 100; z += 20) {

this->number_list.push_back(make_pair(glm::vec3(x, 0, z), 0));

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(150);

for (auto& number : this->number_list) {

int number_index = ofMap(ofNoise(number.first.x * 0.005, number.first.y * 0.005, number.first.z * 0.0015 + ofGetFrameNum() * 0.015), 0, 1, 0, 10);

this->draw_digital(number.first, number_index);

}

this->cam.end();

}

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

void ofApp::draw_digital(glm::vec3 location, int number_index) {

vector<pair<glm::vec3, float>> part_list = {

make_pair<glm::vec3, float>(location + glm::vec2(0, -this->hexagon_height), 90),

make_pair<glm::vec3, float>(location + glm::vec2(this->hexagon_height * -0.5, this->hexagon_height * 0.5), 0),

make_pair<glm::vec3, float>(location + glm::vec2(this->hexagon_height * 0.5, this->hexagon_height * 0.5), 0),

make_pair<glm::vec3, float>(location + glm::vec2(0, 0), 90),

make_pair<glm::vec3, float>(location + glm::vec2(this->hexagon_height * -0.5, this->hexagon_height * -0.5), 0),

make_pair<glm::vec3, float>(location + glm::vec2(this->hexagon_height * 0.5, this->hexagon_height * -0.5), 0),

make_pair<glm::vec3, float>(location + glm::vec2(0, this->hexagon_height), 90)

};

vector<vector<int>> index_list = {

{ 0, 1, 2, 4, 5, 6 },

{ 2, 5 },

{ 0, 1, 3, 5, 6 },

{ 0, 2, 3, 5, 6 },

{ 2, 3, 4, 5 },

{ 0, 2, 3, 4, 6 },

{ 0, 1, 2, 3, 4, 6 },

{ 0, 2, 5 },

{ 0, 1, 2, 3, 4, 5, 6 },

{ 0, 2, 3, 4, 5, 6 },

};

for (auto& index : index_list[number_index]) {

this->draw_hexagon(part_list[index].first, part_list[index].second);

}

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

void ofApp::draw_hexagon(glm::vec3 location, float deg) {

ofPushMatrix();

ofTranslate(location);

ofRotate(deg);

vector<glm::vec2> vertices;

vertices.push_back(glm::vec2(this->hexagon_width * -0.4, this->hexagon_height * -0.4));

vertices.push_back(glm::vec2(this->hexagon_width * -0.4, this->hexagon_height * 0.4));

vertices.push_back(glm::vec2(0, this->hexagon_height * 0.5));

vertices.push_back(glm::vec2(this->hexagon_width * 0.4, this->hexagon_height * 0.4));

vertices.push_back(glm::vec2(this->hexagon_width * 0.4, this->hexagon_height * -0.4));

vertices.push_back(glm::vec2(0, this->hexagon_height * -0.5));

ofFill();

ofSetColor(255, ofMap(location.z, -100, 100, 255, 0));

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(0, ofMap(location.z, -100, 100, 255, 0));

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20231023

2023年10月22日

Ring sphere.

[ Video ]

[ About ]
輪の球体。

[ 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, 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) {};

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetLineWidth(1);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);

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

	for (int radius = 150; radius <= 300; radius += 150) {

		auto noise_seed = ofRandom(1500);
		for (int theta = 0; theta <= 180; theta += 15) {

			for (int phi = 0; phi < 360; phi += 3) {

				auto index = this->face.getNumVertices();
				vector<glm::vec3> vertices;

				vertices.push_back(glm::vec3(
					radius * cos(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
					radius * sin(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
					radius * cos((theta + 1) * DEG_TO_RAD)
				));
				vertices.push_back(glm::vec3(
					radius * cos((phi + 3) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
					radius * sin((phi + 3) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
					radius * cos((theta + 1) * DEG_TO_RAD)
				));
				vertices.push_back(glm::vec3(
					radius * cos((phi + 3) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
					radius * sin((phi + 3) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
					radius * cos((theta - 1) * DEG_TO_RAD)
				));
				vertices.push_back(glm::vec3(
					radius * cos(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
					radius * sin(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
					radius * cos((theta - 1) * DEG_TO_RAD)
				));

				vertices.push_back(glm::vec3(
					(radius - 30) * cos(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
					(radius - 30) * sin(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
					radius * cos((theta + 1) * DEG_TO_RAD)
				));
				vertices.push_back(glm::vec3(
					(radius - 30) * cos((phi + 3) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
					(radius - 30) * sin((phi + 3) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
					radius * cos((theta + 1) * DEG_TO_RAD)
				));
				vertices.push_back(glm::vec3(
					(radius - 30) * cos((phi + 3) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
					(radius - 30) * sin((phi + 3) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
					radius * cos((theta - 1) * DEG_TO_RAD)
				));
				vertices.push_back(glm::vec3(
					(radius - 30) * cos(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
					(radius - 30) * sin(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
					radius * cos((theta - 1) * DEG_TO_RAD)
				));

				for (auto& vertex : vertices) {

					auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec2(noise_seed, vertex.x * 0.0008 + ofGetFrameNum() * 0.005)), 0, 1, -360, 360) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));
					vertex = glm::vec4(vertex, 0) * rotation_x;

				}

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

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

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

				this->face.addIndex(index + 0); this->face.addIndex(index + 4); this->face.addIndex(index + 5);
				this->face.addIndex(index + 0); this->face.addIndex(index + 5); this->face.addIndex(index + 1);

				this->face.addIndex(index + 2); this->face.addIndex(index + 6); this->face.addIndex(index + 7);
				this->face.addIndex(index + 2); this->face.addIndex(index + 7); this->face.addIndex(index + 3);

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

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

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

					this->face.addColor(ofColor(0));
					this->frame.addColor(ofColor(255, 100, 100));
				}

			}
		}
	}
}


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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 2.44);

	this->face.draw();
	this->frame.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(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(1);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

for (int radius = 150; radius <= 300; radius += 150) {

auto noise_seed = ofRandom(1500);

for (int theta = 0; theta <= 180; theta += 15) {

for (int phi = 0; phi < 360; phi += 3) {

auto index = this->face.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

radius * cos(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

radius * sin(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

radius * cos((theta + 1) * DEG_TO_RAD)

));

vertices.push_back(glm::vec3(

radius * cos((phi + 3) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

radius * sin((phi + 3) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

radius * cos((theta + 1) * DEG_TO_RAD)

));

vertices.push_back(glm::vec3(

radius * cos((phi + 3) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

radius * sin((phi + 3) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

radius * cos((theta - 1) * DEG_TO_RAD)

));

vertices.push_back(glm::vec3(

radius * cos(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

radius * sin(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

radius * cos((theta - 1) * DEG_TO_RAD)

));

vertices.push_back(glm::vec3(

(radius - 30) * cos(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

(radius - 30) * sin(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

radius * cos((theta + 1) * DEG_TO_RAD)

));

vertices.push_back(glm::vec3(

(radius - 30) * cos((phi + 3) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

(radius - 30) * sin((phi + 3) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

radius * cos((theta + 1) * DEG_TO_RAD)

));

vertices.push_back(glm::vec3(

(radius - 30) * cos((phi + 3) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

(radius - 30) * sin((phi + 3) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

radius * cos((theta - 1) * DEG_TO_RAD)

));

vertices.push_back(glm::vec3(

(radius - 30) * cos(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

(radius - 30) * sin(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

radius * cos((theta - 1) * DEG_TO_RAD)

));

for (auto& vertex : vertices) {

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec2(noise_seed, vertex.x * 0.0008 + ofGetFrameNum() * 0.005)), 0, 1, -360, 360) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

vertex = glm::vec4(vertex, 0) * rotation_x;

}

this->face.addVertices(vertices);

this->frame.addVertices(vertices);

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

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

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

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

this->face.addIndex(index + 0); this->face.addIndex(index + 4); this->face.addIndex(index + 5);

this->face.addIndex(index + 0); this->face.addIndex(index + 5); this->face.addIndex(index + 1);

this->face.addIndex(index + 2); this->face.addIndex(index + 6); this->face.addIndex(index + 7);

this->face.addIndex(index + 2); this->face.addIndex(index + 7); this->face.addIndex(index + 3);

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

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

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

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

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

this->face.addColor(ofColor(0));

this->frame.addColor(ofColor(255, 100, 100));

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 2.44);

this->face.draw();

this->frame.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20231022

2025年11月
月	火	水	木	金	土	日
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