font – ページ 29 – プログラミング de 落描き

2021年7月15日2021年7月15日

out-of-body experience. Draw by openFrameworks

[ Video ]

[ About ]
文字の座標を2回に分けて回転させる。
ofTrueTypeFont.getStringAsPoints()で取得した座標にglm::highp_mat4で回転した座標を計算する。

Rotate the coordinates of a character twice.
Calculate the coordinates rotated by glm::highp_mat4 to the coordinates retrieved by ofTrueTypeFont.getStringAsPoints().

[ 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;

	float font_size;
	ofTrueTypeFont font;
};

#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;

float font_size;

ofTrueTypeFont font;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

	this->font_size = 80;
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(180);

	string word = "ABCDEFGHEJKLMNOPQRSTUVWXYZ!";
	int sample_count = 180;
	auto noise_param = ofRandom(1000);
	
	for (int i = 0; i < word.size(); i++) {

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

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

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

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

				auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * -0.5, 320);
				auto rotation_y = glm::rotate(glm::mat4(), (i * 13.5f) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
				location = glm::vec4(location, 0) * rotation_y;

				auto noise_value = ofNoise(location.x * 0.002, ofGetFrameNum() * 0.005);
				float param = 0.5;
				if (noise_value < 0.3) { param = ofMap(noise_value, 0, 0.3, 0, 0.5); }
				if (noise_value > 0.7) { param = ofMap(noise_value, 0.7, 1, 0.5, 1); }

				auto rotation_x = glm::rotate(glm::mat4(), ofMap(param, 0, 1, -PI * 1, PI * 1), glm::vec3(1, 0, 0));
				location = glm::vec4(location, 0) * rotation_x;


				ofVertex(location);
			}
		}
		ofEndShape();

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

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

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

				auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * -0.5, 320);
				auto rotation_y = glm::rotate(glm::mat4(), (i * 13.5f) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
				location = glm::vec4(location, 0) * rotation_y;

				ofVertex(location);
			}
		}
		ofEndShape();
	}

	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(1.5);

ofEnableDepthTest();

this->font_size = 80;

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

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

string word = "ABCDEFGHEJKLMNOPQRSTUVWXYZ!";

int sample_count = 180;

auto noise_param = ofRandom(1000);

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

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

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

ofFill();

ofBeginShape();

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

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

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

for (auto& vertex : vertices) {

auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * -0.5, 320);

auto rotation_y = glm::rotate(glm::mat4(), (i * 13.5f) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

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

auto noise_value = ofNoise(location.x * 0.002, ofGetFrameNum() * 0.005);

float param = 0.5;

if (noise_value < 0.3) { param = ofMap(noise_value, 0, 0.3, 0, 0.5); }

if (noise_value > 0.7) { param = ofMap(noise_value, 0.7, 1, 0.5, 1); }

auto rotation_x = glm::rotate(glm::mat4(), ofMap(param, 0, 1, -PI * 1, PI * 1), glm::vec3(1, 0, 0));

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

ofVertex(location);

}

ofEndShape();

ofNoFill();

ofBeginShape();

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

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

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

for (auto& vertex : vertices) {

auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * -0.5, 320);

auto rotation_y = glm::rotate(glm::mat4(), (i * 13.5f) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

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

ofVertex(location);

}

ofEndShape();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210715

[ほしいものリスト]
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2021年6月24日2021年6月24日

Randam work of Kanji number. Draw by openFrameworks

[ Video ]

[ About ]
漢数字のランダムウォーク。
お互いの位置を確認して重ならない様に移動をする。
漢字は自身に近い数を表す。

Random walk of Kanji numbers.
Check each other’s position and move so that they do not overlap.
The Kanji character represents the number closest to itself.

[ Source ]

#pragma once
#include "ofMain.h"

class Actor {
public:
	Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);
	void update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);
	glm::vec3 get_location();
	glm::vec3 get_prev_location();

private:

	int select_index;
	int next_index;

	glm::vec3 location;
	glm::vec3 prev_location;
};

class ofApp : public ofBaseApp {

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

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

	ofTrueTypeFont font;
	vector<string> word_list;

	vector<glm::vec3> location_list;
	vector<vector<int>> next_index_list;
	vector<int> destination_list;
	int span;

	vector<unique_ptr<Actor>> actor_list;
};

#pragma once

#include "ofMain.h"

class Actor {

public:

Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);

void update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);

glm::vec3 get_location();

glm::vec3 get_prev_location();

private:

int select_index;

int next_index;

glm::vec3 location;

glm::vec3 prev_location;

};

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

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

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

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

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

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

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofTrueTypeFont font;

vector<string> word_list;

vector<glm::vec3> location_list;

vector<vector<int>> next_index_list;

vector<int> destination_list;

int span;

vector<unique_ptr<Actor>> actor_list;

};

#include "ofApp.h"	

//--------------------------------------------------------------
Actor::Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

	this->select_index = ofRandom(location_list.size());
	while (true) {

		auto itr = find(destination_list.begin(), destination_list.end(), this->select_index);
		if (itr == destination_list.end()) {

			destination_list.push_back(this->select_index);
			break;
		}

		this->select_index = (this->select_index + 1) % location_list.size();
	}

	this->next_index = this->select_index;
}

//--------------------------------------------------------------
void Actor::update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

	if (ofGetFrameNum() % frame_span == 0) {

		auto tmp_index = this->select_index;
		this->select_index = this->next_index;
		int retry = next_index_list[this->select_index].size() + 1;
		this->next_index = next_index_list[this->select_index][(int)ofRandom(next_index_list[this->select_index].size())];
		while (--retry > 0) {

			auto destination_itr = find(destination_list.begin(), destination_list.end(), this->next_index);
			if (destination_itr == destination_list.end()) {

				if (tmp_index != this->next_index) {

					destination_list.push_back(this->next_index);
					break;
				}
			}

			this->next_index = next_index_list[this->select_index][(this->next_index + 1) % next_index_list[this->select_index].size()];
		}
		if (retry <= 0) {

			destination_list.push_back(this->select_index);
			this->next_index = this->select_index;
		}
	}

	auto param = ofGetFrameNum() % frame_span;
	auto distance = location_list[this->next_index] - location_list[this->select_index];
	if (this->next_index != this->select_index) {

		this->prev_location = location;
	}
	this->location = location_list[this->select_index] + distance / frame_span * param;
}

//--------------------------------------------------------------
glm::vec3 Actor::get_location() {

	return this->location;
}

//--------------------------------------------------------------
glm::vec3 Actor::get_prev_location() {

	return this->prev_location;
}

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

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

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

	this->span = 50;
	for (int x = -200; x <= 200; x += span) {

		for (int y = -200; y <= 200; y += span) {

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

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

		vector<int> next_index = 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 + 1) {

				next_index.push_back(index);
			}
		}

		this->next_index_list.push_back(next_index);
	}

	for (int i = 0; i < 60; i++) {

		this->actor_list.push_back(make_unique<Actor>(this->location_list, this->next_index_list, this->destination_list));
	}

	ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", 25);
	font_settings.antialiased = true;
	font_settings.addRanges(ofAlphabet::Japanese);
	this->font.load(font_settings);

	this->word_list = {

		u8"零", u8"壱", u8"弐", u8"参", u8"四",
		u8"伍", u8"六", u8"七", u8"八", u8"九",
	};
}

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

	int frame_span = 15;
	int prev_index_size = 0;

	if (ofGetFrameNum() % frame_span == 0) {

		prev_index_size = this->destination_list.size();
	}

	for (auto& actor : this->actor_list) {

		actor->update(frame_span, this->location_list, this->next_index_list, this->destination_list);
	}

	if (prev_index_size != 0) {

		this->destination_list.erase(this->destination_list.begin(), this->destination_list.begin() + prev_index_size);
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	vector<string> word_list;

	for (auto& actor : this->actor_list) {

		int count = 0;
		for (auto& other : this->actor_list) {

			if (actor == other) { continue; }

			if (glm::distance(actor->get_location(), other->get_location()) <= this->span * sqrt(2)) {

				count++;
			}
		}

		this->font.drawString(this->word_list[count], actor->get_location().x - this->font.stringWidth(this->word_list[count]) * 0.5, actor->get_location().y + this->font.stringHeight(this->word_list[count]) * 0.5);
	}

	for (int x = -200; x <= 200; x += this->span) {

		for (int y = -200; y <= 200; y += this->span) {

			ofDrawRectangle(glm::vec3(x - this->span * 0.5, y - this->span * 0.5, 0), this->span, this->span);
		}
	}	
}

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

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

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#include "ofApp.h"

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

Actor::Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

this->select_index = ofRandom(location_list.size());

while (true) {

auto itr = find(destination_list.begin(), destination_list.end(), this->select_index);

if (itr == destination_list.end()) {

destination_list.push_back(this->select_index);

break;

}

this->select_index = (this->select_index + 1) % location_list.size();

}

this->next_index = this->select_index;

}

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

void Actor::update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

if (ofGetFrameNum() % frame_span == 0) {

auto tmp_index = this->select_index;

this->select_index = this->next_index;

int retry = next_index_list[this->select_index].size() + 1;

this->next_index = next_index_list[this->select_index][(int)ofRandom(next_index_list[this->select_index].size())];

while (--retry > 0) {

auto destination_itr = find(destination_list.begin(), destination_list.end(), this->next_index);

if (destination_itr == destination_list.end()) {

if (tmp_index != this->next_index) {

destination_list.push_back(this->next_index);

break;

}

this->next_index = next_index_list[this->select_index][(this->next_index + 1) % next_index_list[this->select_index].size()];

}

if (retry <= 0) {

destination_list.push_back(this->select_index);

this->next_index = this->select_index;

}

auto param = ofGetFrameNum() % frame_span;

auto distance = location_list[this->next_index] - location_list[this->select_index];

if (this->next_index != this->select_index) {

this->prev_location = location;

}

this->location = location_list[this->select_index] + distance / frame_span * param;

}

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

glm::vec3 Actor::get_location() {

return this->location;

}

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

glm::vec3 Actor::get_prev_location() {

return this->prev_location;

}

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(2);

ofNoFill();

this->span = 50;

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

for (int y = -200; y <= 200; y += span) {

this->location_list.push_back(glm::vec3(x, y, 0));

}

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

vector<int> next_index = 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 + 1) {

next_index.push_back(index);

}

this->next_index_list.push_back(next_index);

}

for (int i = 0; i < 60; i++) {

this->actor_list.push_back(make_unique<Actor>(this->location_list, this->next_index_list, this->destination_list));

}

ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", 25);

font_settings.antialiased = true;

font_settings.addRanges(ofAlphabet::Japanese);

this->font.load(font_settings);

this->word_list = {

u8"零", u8"壱", u8"弐", u8"参", u8"四",

u8"伍", u8"六", u8"七", u8"八", u8"九",

};

}

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

void ofApp::update() {

int frame_span = 15;

int prev_index_size = 0;

if (ofGetFrameNum() % frame_span == 0) {

prev_index_size = this->destination_list.size();

}

for (auto& actor : this->actor_list) {

actor->update(frame_span, this->location_list, this->next_index_list, this->destination_list);

}

if (prev_index_size != 0) {

this->destination_list.erase(this->destination_list.begin(), this->destination_list.begin() + prev_index_size);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

vector<string> word_list;

for (auto& actor : this->actor_list) {

int count = 0;

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

if (actor == other) { continue; }

if (glm::distance(actor->get_location(), other->get_location()) <= this->span * sqrt(2)) {

count++;

}

this->font.drawString(this->word_list[count], actor->get_location().x - this->font.stringWidth(this->word_list[count]) * 0.5, actor->get_location().y + this->font.stringHeight(this->word_list[count]) * 0.5);

}

for (int x = -200; x <= 200; x += this->span) {

for (int y = -200; y <= 200; y += this->span) {

ofDrawRectangle(glm::vec3(x - this->span * 0.5, y - this->span * 0.5, 0), this->span, this->span);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210624

[ Kinako ]

[ほしいものリスト]
Amazon

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2021年6月22日2021年6月22日

Sphere by characters. Draw by openFrameworks

[ Video ]

[ About ]
ofTrueTypeFont.getStringAsPoints()で取得した座標を回転させて、球体上で描写する。

The coordinates obtained with ofTrueTypeFont.getStringAsPoints() are rotated and depicted on the 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;

	float font_size;
	ofTrueTypeFont font;

	vector<string> word_list;
	vector<vector<vector<glm::vec3>>> word_vertices_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;

float font_size;

ofTrueTypeFont font;

vector<string> word_list;

vector<vector<vector<glm::vec3>>> word_vertices_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(3);
	ofEnableDepthTest();

	this->font_size = 25;
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);

	this->word_list = {
	"A", "B", "C", "D", "E", "F",
	"G", "H", "I", "J", "K", "L",
	"M", "N", "O", "P", "Q", "R",
	"S", "T", "U", "V", "V", "X",
	"Y", "Z" };

	int sample_count = 39;

	for (auto& word : this->word_list) {

		vector<vector<glm::vec3>> vertices_list;
		vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false);

		for (int word_index = 0; word_index < word_path.size(); word_index++) {

			vector<ofPolyline> outline = word_path[word_index].getOutline();

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

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

		this->word_vertices_list.push_back(vertices_list);
	}
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	ofColor color;
	for (int i = 0; i < 256 * 3; i++) {

		auto word_index = i % this->word_list.size();
		auto noise_param = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
		auto word_size = this->font.getStringBoundingBox(this->word_list[word_index], 0, 0);
		auto radius = ofRandom(90, 110);
		color.setHsb(i % 256, 180, 255);

		for (int k = 0; k < 2; k++) {

			if (k == 0) {

				ofFill();
				ofSetColor(color);
			}
			else {

				ofNoFill();
				ofSetColor(39);
			}

			ofBeginShape();
			for (int vertices_index = 0; vertices_index < this->word_vertices_list[word_index].size(); vertices_index++) {

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

				auto vertices = this->word_vertices_list[word_index][vertices_index];
				for (auto& vertex : vertices) {

					auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_param.x, vertex.x * 0.0001, ofGetFrameNum() * 0.0015), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));
					auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_param.y, vertex.y * 0.0001, ofGetFrameNum() * 0.0015), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0));
					auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_param.z, vertex.z * 0.0001, ofGetFrameNum() * 0.0015), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 0, 1));

					glm::vec3 location = glm::vec4(glm::vec3(vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, radius)), 0) * rotation_z * rotation_y *  rotation_x;
					ofVertex(location);
				}
			}
			ofEndShape(true);
		}
	}

	this->cam.end();
}

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

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

100

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102

103

104

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106

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(3);

ofEnableDepthTest();

this->font_size = 25;

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

this->word_list = {

"A", "B", "C", "D", "E", "F",

"G", "H", "I", "J", "K", "L",

"M", "N", "O", "P", "Q", "R",

"S", "T", "U", "V", "V", "X",

"Y", "Z" };

int sample_count = 39;

for (auto& word : this->word_list) {

vector<vector<glm::vec3>> vertices_list;

vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false);

for (int word_index = 0; word_index < word_path.size(); word_index++) {

vector<ofPolyline> outline = word_path[word_index].getOutline();

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

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

vertices_list.push_back(vertices);

}

this->word_vertices_list.push_back(vertices_list);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofColor color;

for (int i = 0; i < 256 * 3; i++) {

auto word_index = i % this->word_list.size();

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

auto word_size = this->font.getStringBoundingBox(this->word_list[word_index], 0, 0);

auto radius = ofRandom(90, 110);

color.setHsb(i % 256, 180, 255);

for (int k = 0; k < 2; k++) {

if (k == 0) {

ofFill();

ofSetColor(color);

}

else {

ofNoFill();

ofSetColor(39);

}

ofBeginShape();

for (int vertices_index = 0; vertices_index < this->word_vertices_list[word_index].size(); vertices_index++) {

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

auto vertices = this->word_vertices_list[word_index][vertices_index];

for (auto& vertex : vertices) {

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_param.x, vertex.x * 0.0001, ofGetFrameNum() * 0.0015), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_param.y, vertex.y * 0.0001, ofGetFrameNum() * 0.0015), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_param.z, vertex.z * 0.0001, ofGetFrameNum() * 0.0015), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 0, 1));

glm::vec3 location = glm::vec4(glm::vec3(vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, radius)), 0) * rotation_z * rotation_y * rotation_x;

ofVertex(location);

}

ofEndShape(true);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210622

[ Kinako ]

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