openFrameworks – ページ 388 – プログラミング de 落描き

2021年12月18日

Hiragana Matrix. Draw by openFrameworks

[ Video ]

[ About ]
I enjoyed the Matrix.

[ 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<glm::vec3> location_list;
	vector<float> rotate_deg_list;
	vector<int> param_list;
	vector<int> word_index_list;
	vector<vector<int>> route_info_list;

	vector<int> index_list;

	ofTrueTypeFont font;
	int font_size;

	vector<string> words;
};

#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<glm::vec3> location_list;

vector<float> rotate_deg_list;

vector<int> param_list;

vector<int> word_index_list;

vector<vector<int>> route_info_list;

vector<int> index_list;

ofTrueTypeFont font;

int font_size;

vector<string> words;

};

#include "ofApp.h"

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

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

	ofBackground(255);
	ofEnableDepthTest();

	int span = 30;
	for (int x = -300; x <= 300; x += span) {

		for (int y = -300; y <= 300; y += span) {

			for (int z = 0; z <= 2400; z += span * 2) {

				this->location_list.push_back(glm::vec3(x, y, z));
				this->rotate_deg_list.push_back(0);
				this->param_list.push_back(0);
				this->word_index_list.push_back(0);
			}
		}
	}

	for (auto& location : this->location_list) {

		vector<int> route_info = vector<int>();
		int index = -1;
		for (auto& other : this->location_list) {

			index++;
			if (location == other) { continue; }

			float distance = glm::distance(location, other);
			if (distance <= span) {

				route_info.push_back(index);
			}
		}

		this->route_info_list.push_back(route_info);
	}

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

		this->index_list.push_back((int)ofRandom(this->location_list.size()));
	}

	this->font_size = 23;
	ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", this->font_size);
	font_settings.antialiased = true;
	font_settings.addRanges(ofAlphabet::Japanese);
	this->font.load(font_settings);

	this->words = {

		u8"あ", u8"い", u8"う", u8"え", u8"お",
		u8"か", u8"き", u8"く", u8"け", u8"こ",
		u8"さ", u8"し", u8"す", u8"せ", u8"そ",
		u8"た", u8"ち", u8"つ", u8"べ", u8"と",
		u8"な", u8"に", u8"ぬ", u8"ね", u8"の",
		u8"は", u8"ひ", u8"ふ", u8"へ", u8"ほ",
		u8"ま", u8"み", u8"む", u8"め", u8"も",
		u8"や", u8"ゆ", u8"よ",
		u8"ら", u8"り", u8"る", u8"れ", u8"ろ",
		u8"わ", u8"を", u8"ん",	
	};
}

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

	if (ofGetFrameNum() % 4 != 0) {

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

			this->word_index_list[this->index_list[i]] = (int)ofRandom(this->words.size());
		}
		return;
	}

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

		int next_index = this->route_info_list[this->index_list[i]][(int)ofRandom(this->route_info_list[this->index_list[i]].size())];
		for (int k = 0; k < this->route_info_list[this->index_list[i]].size(); k++) {

			if (this->param_list[next_index] <= 0) {

				auto loc = this->location_list[this->index_list[i]];
				auto next = this->location_list[next_index];

				auto angle = std::atan2(next.y - loc.y, next.x - loc.x);
				if (angle != 0) {
				
					this->rotate_deg_list[next_index] = angle * RAD_TO_DEG + 90;
				}
				this->param_list[next_index] = 60;
				this->index_list[i] = next_index;
				this->word_index_list[next_index] = (int)ofRandom(this->words.size());
				break;
			}
		}
	}
}

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

	this->cam.begin();

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

		if (this->param_list[i] > 0) {

			int z = (int)(this->location_list[i].z + ofGetFrameNum() * 4) % 1200 - 600;

			ofPushMatrix();
			ofTranslate(this->location_list[i].x, this->location_list[i].y, z);
	
			ofFill();
			int alpha = ofMap(this->param_list[i], 0, 60, 0, 255);
			ofSetColor(ofColor(0, alpha));

			ofRotateZ(this->rotate_deg_list[i]);
			this->font.drawString(this->words[this->word_index_list[i]], -13, -13);

			ofPopMatrix();
		}

		if (this->param_list[i] > 0) { this->param_list[i] -= 2; }
	}

	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(255);

ofEnableDepthTest();

int span = 30;

for (int x = -300; x <= 300; x += span) {

for (int y = -300; y <= 300; y += span) {

for (int z = 0; z <= 2400; z += span * 2) {

this->location_list.push_back(glm::vec3(x, y, z));

this->rotate_deg_list.push_back(0);

this->param_list.push_back(0);

this->word_index_list.push_back(0);

}

for (auto& location : this->location_list) {

vector<int> route_info = vector<int>();

int index = -1;

for (auto& other : this->location_list) {

index++;

if (location == other) { continue; }

float distance = glm::distance(location, other);

if (distance <= span) {

route_info.push_back(index);

}

this->route_info_list.push_back(route_info);

}

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

this->index_list.push_back((int)ofRandom(this->location_list.size()));

}

this->font_size = 23;

ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", this->font_size);

font_settings.antialiased = true;

font_settings.addRanges(ofAlphabet::Japanese);

this->font.load(font_settings);

this->words = {

u8"あ", u8"い", u8"う", u8"え", u8"お",

u8"か", u8"き", u8"く", u8"け", u8"こ",

u8"さ", u8"し", u8"す", u8"せ", u8"そ",

u8"た", u8"ち", u8"つ", u8"べ", u8"と",

u8"な", u8"に", u8"ぬ", u8"ね", u8"の",

u8"は", u8"ひ", u8"ふ", u8"へ", u8"ほ",

u8"ま", u8"み", u8"む", u8"め", u8"も",

u8"や", u8"ゆ", u8"よ",

u8"ら", u8"り", u8"る", u8"れ", u8"ろ",

u8"わ", u8"を", u8"ん",

};

}

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

void ofApp::update() {

if (ofGetFrameNum() % 4 != 0) {

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

this->word_index_list[this->index_list[i]] = (int)ofRandom(this->words.size());

}

return;

}

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

int next_index = this->route_info_list[this->index_list[i]][(int)ofRandom(this->route_info_list[this->index_list[i]].size())];

for (int k = 0; k < this->route_info_list[this->index_list[i]].size(); k++) {

if (this->param_list[next_index] <= 0) {

auto loc = this->location_list[this->index_list[i]];

auto next = this->location_list[next_index];

auto angle = std::atan2(next.y - loc.y, next.x - loc.x);

if (angle != 0) {

this->rotate_deg_list[next_index] = angle * RAD_TO_DEG + 90;

}

this->param_list[next_index] = 60;

this->index_list[i] = next_index;

this->word_index_list[next_index] = (int)ofRandom(this->words.size());

break;

}

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

void ofApp::draw() {

this->cam.begin();

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

if (this->param_list[i] > 0) {

int z = (int)(this->location_list[i].z + ofGetFrameNum() * 4) % 1200 - 600;

ofPushMatrix();

ofTranslate(this->location_list[i].x, this->location_list[i].y, z);

ofFill();

int alpha = ofMap(this->param_list[i], 0, 60, 0, 255);

ofSetColor(ofColor(0, alpha));

ofRotateZ(this->rotate_deg_list[i]);

this->font.drawString(this->words[this->word_index_list[i]], -13, -13);

ofPopMatrix();

}

if (this->param_list[i] > 0) { this->param_list[i] -= 2; }

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211218

2021年12月17日

Looking forward to the new Matrix ! Draw by openFrameworks

[ Video ]

[ About ]
マトリックスの新作楽しみ！

Looking forward to the new Matrix !

[ 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<glm::vec3> location_list;
	vector<float> rotate_deg_list;
	vector<int> param_list;
	vector<int> word_index_list;
	vector<vector<int>> route_info_list;

	vector<int> index_list;

	ofTrueTypeFont font;
	int font_size;

	vector<string> words;
};

#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<glm::vec3> location_list;

vector<float> rotate_deg_list;

vector<int> param_list;

vector<int> word_index_list;

vector<vector<int>> route_info_list;

vector<int> index_list;

ofTrueTypeFont font;

int font_size;

vector<string> words;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetLineWidth(0.5);
	ofEnableDepthTest();

	int span = 30;
	for (int x = -300; x <= 300; x += span) {

		for (int y = -300; y <= 300; y += span) {

			for (int z = 0; z <= 1200; z += span * 2) {

				this->location_list.push_back(glm::vec3(x, y, z));
				this->rotate_deg_list.push_back(0);
				this->param_list.push_back(0);
				this->word_index_list.push_back(0);
			}
		}
	}

	for (auto& location : this->location_list) {

		vector<int> route_info = vector<int>();
		int index = -1;
		for (auto& other : this->location_list) {

			index++;
			if (location == other) { continue; }

			float distance = glm::distance(location, other);
			if (distance <= span) {

				route_info.push_back(index);
			}
		}

		this->route_info_list.push_back(route_info);
	}

	for (int i = 0; i < 80; i++) {

		this->index_list.push_back((int)ofRandom(this->location_list.size()));
	}

	this->font_size = 23;
	ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", this->font_size);
	font_settings.antialiased = true;
	font_settings.addRanges(ofAlphabet::Japanese);
	this->font.load(font_settings);

	this->words = {

		u8"ｱ", u8"ｲ", u8"ｳ", u8"ｴ", u8"ｵ",
		u8"ｶ", u8"ｷ", u8"ｸ", u8"ｹ", u8"ｺ",
		u8"ｻ", u8"ｼ", u8"ｽ", u8"ｾ", u8"ｿ",
		u8"ﾀ", u8"ﾁ", u8"ﾂ", u8"ﾃ", u8"ﾄ",
		u8"ﾅ", u8"ﾆ", u8"ﾇ", u8"ﾈ", u8"ﾉ",
		u8"ﾊ", u8"ﾋ", u8"ﾌ", u8"ﾍ", u8"ﾎ",
		u8"ﾏ", u8"ﾐ", u8"ﾑ", u8"ﾒ", u8"ﾓ",
		u8"ﾔ", u8"ﾕ", u8"ﾖ",
		u8"ﾗ", u8"ﾘ", u8"ﾙ", u8"ﾚ", u8"ﾛ",
		u8"ﾜ", u8"ｦ", u8"ﾝ",
	};
}

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

	if (ofGetFrameNum() % 3 != 0) {

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

			this->word_index_list[this->index_list[i]] = (int)ofRandom(this->words.size());
		}
		return;
	}

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

		int next_index = this->route_info_list[this->index_list[i]][(int)ofRandom(this->route_info_list[this->index_list[i]].size())];
		for (int k = 0; k < this->route_info_list[this->index_list[i]].size(); k++) {

			if (this->param_list[next_index] <= 0) {

				auto loc = this->location_list[this->index_list[i]];
				auto next = this->location_list[next_index];

				auto angle = std::atan2(next.y - loc.y, next.x - loc.x);
				if (angle != 0) {
				
					this->rotate_deg_list[next_index] = angle * RAD_TO_DEG + 90;
				}
				this->param_list[next_index] = 60;
				this->index_list[i] = next_index;
				this->word_index_list[next_index] = (int)ofRandom(this->words.size());
				break;
			}
		}
	}
}

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

	this->cam.begin();

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

		if (this->param_list[i] > 0) {

			int z = (int)(this->location_list[i].z + ofGetFrameNum() * 3) % 1200 - 600;

			ofPushMatrix();
			ofTranslate(this->location_list[i].x, this->location_list[i].y, z);
	
			ofFill();
			int alpha = ofMap(this->param_list[i], 0, 60, 0, 255);
			int rb = this->param_list[i] >= 57 ? 239 : 39;
			ofSetColor(ofColor(rb, 239, rb, alpha));

			ofRotateZ(this->rotate_deg_list[i]);
			this->font.drawString(this->words[this->word_index_list[i]], -15, -15);

			ofPopMatrix();
		}

		if (this->param_list[i] > 0) { this->param_list[i] -= 1; }
	}

	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(0);

ofSetLineWidth(0.5);

ofEnableDepthTest();

int span = 30;

for (int x = -300; x <= 300; x += span) {

for (int y = -300; y <= 300; y += span) {

for (int z = 0; z <= 1200; z += span * 2) {

this->location_list.push_back(glm::vec3(x, y, z));

this->rotate_deg_list.push_back(0);

this->param_list.push_back(0);

this->word_index_list.push_back(0);

}

for (auto& location : this->location_list) {

vector<int> route_info = vector<int>();

int index = -1;

for (auto& other : this->location_list) {

index++;

if (location == other) { continue; }

float distance = glm::distance(location, other);

if (distance <= span) {

route_info.push_back(index);

}

this->route_info_list.push_back(route_info);

}

for (int i = 0; i < 80; i++) {

this->index_list.push_back((int)ofRandom(this->location_list.size()));

}

this->font_size = 23;

ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", this->font_size);

font_settings.antialiased = true;

font_settings.addRanges(ofAlphabet::Japanese);

this->font.load(font_settings);

this->words = {

u8"ｱ", u8"ｲ", u8"ｳ", u8"ｴ", u8"ｵ",

u8"ｶ", u8"ｷ", u8"ｸ", u8"ｹ", u8"ｺ",

u8"ｻ", u8"ｼ", u8"ｽ", u8"ｾ", u8"ｿ",

u8"ﾀ", u8"ﾁ", u8"ﾂ", u8"ﾃ", u8"ﾄ",

u8"ﾅ", u8"ﾆ", u8"ﾇ", u8"ﾈ", u8"ﾉ",

u8"ﾊ", u8"ﾋ", u8"ﾌ", u8"ﾍ", u8"ﾎ",

u8"ﾏ", u8"ﾐ", u8"ﾑ", u8"ﾒ", u8"ﾓ",

u8"ﾔ", u8"ﾕ", u8"ﾖ",

u8"ﾗ", u8"ﾘ", u8"ﾙ", u8"ﾚ", u8"ﾛ",

u8"ﾜ", u8"ｦ", u8"ﾝ",

};

}

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

void ofApp::update() {

if (ofGetFrameNum() % 3 != 0) {

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

this->word_index_list[this->index_list[i]] = (int)ofRandom(this->words.size());

}

return;

}

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

int next_index = this->route_info_list[this->index_list[i]][(int)ofRandom(this->route_info_list[this->index_list[i]].size())];

for (int k = 0; k < this->route_info_list[this->index_list[i]].size(); k++) {

if (this->param_list[next_index] <= 0) {

auto loc = this->location_list[this->index_list[i]];

auto next = this->location_list[next_index];

auto angle = std::atan2(next.y - loc.y, next.x - loc.x);

if (angle != 0) {

this->rotate_deg_list[next_index] = angle * RAD_TO_DEG + 90;

}

this->param_list[next_index] = 60;

this->index_list[i] = next_index;

this->word_index_list[next_index] = (int)ofRandom(this->words.size());

break;

}

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

void ofApp::draw() {

this->cam.begin();

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

if (this->param_list[i] > 0) {

int z = (int)(this->location_list[i].z + ofGetFrameNum() * 3) % 1200 - 600;

ofPushMatrix();

ofTranslate(this->location_list[i].x, this->location_list[i].y, z);

ofFill();

int alpha = ofMap(this->param_list[i], 0, 60, 0, 255);

int rb = this->param_list[i] >= 57 ? 239 : 39;

ofSetColor(ofColor(rb, 239, rb, alpha));

ofRotateZ(this->rotate_deg_list[i]);

this->font.drawString(this->words[this->word_index_list[i]], -15, -15);

ofPopMatrix();

}

if (this->param_list[i] > 0) { this->param_list[i] -= 1; }

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211217

2021年12月16日2021年12月16日

Shaving spheres. Draw by openFrameworks

[ Video ]

[ About ]
ランダムウォークで球体の面を消す。

Erase the faces of the sphere with a random walk.

[ 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(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);

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

	float phi_deg_step = 5;
	float theta_deg_step = 5;

	vector<glm::vec3> noise_location_list;

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

		auto noise_location = glm::vec3(
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -250, 250),
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -250, 250),
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -250, 250));
		noise_location_list.push_back(noise_location);
	}

	for (float radius = 50; radius <= 250; radius += 15) {

		for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

			for (float theta_deg = 0; theta_deg <= 360; theta_deg += theta_deg_step) {

				auto location = glm::vec3(
					radius * sin(theta_deg * DEG_TO_RAD) * cos(phi_deg * DEG_TO_RAD),
					radius * sin(theta_deg * DEG_TO_RAD) * sin(phi_deg * DEG_TO_RAD),
					radius * cos(theta_deg * DEG_TO_RAD));

				bool draw_flag = true;
				for (int i = 0; i < noise_location_list.size(); i++) {

					if (glm::distance(location, noise_location_list[i]) < 100) {

						draw_flag = false;
						break;
					}
				}

				if (draw_flag) {

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

					vertices.push_back(glm::vec3(
						radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
						radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
						radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
					vertices.push_back(glm::vec3(
						radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
						radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
						radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
					vertices.push_back(glm::vec3(
						radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
						radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
						radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));
					vertices.push_back(glm::vec3(
						radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
						radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
						radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

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

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

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

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

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

	ofSetColor(0);
	this->face.draw();

	ofSetColor(239);
	this->frame.draw();

	this->cam.end();
}

//--------------------------------------------------------------
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(0);

ofSetLineWidth(1.5);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

float phi_deg_step = 5;

float theta_deg_step = 5;

vector<glm::vec3> noise_location_list;

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

auto noise_location = glm::vec3(

ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -250, 250),

ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -250, 250));

noise_location_list.push_back(noise_location);

}

for (float radius = 50; radius <= 250; radius += 15) {

for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

for (float theta_deg = 0; theta_deg <= 360; theta_deg += theta_deg_step) {

auto location = glm::vec3(

radius * sin(theta_deg * DEG_TO_RAD) * cos(phi_deg * DEG_TO_RAD),

radius * sin(theta_deg * DEG_TO_RAD) * sin(phi_deg * DEG_TO_RAD),

radius * cos(theta_deg * DEG_TO_RAD));

bool draw_flag = true;

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

if (glm::distance(location, noise_location_list[i]) < 100) {

draw_flag = false;

break;

}

if (draw_flag) {

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

this->face.addVertices(vertices);

this->frame.addVertices(vertices);

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

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

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

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

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

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(90);

ofRotateZ(ofGetFrameNum());

ofSetColor(0);

this->face.draw();

ofSetColor(239);

this->frame.draw();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211216

2025年2月
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