font – プログラミング de 落描き

2023年8月26日

Random number generator. Draw by openFrameworks

[ Video ]

[ About ]
乱数発生器。

[ 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;

	ofTrueTypeFont font;
	string word;

	float noise_step;
};

#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;

ofTrueTypeFont font;

string word;

float noise_step;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

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

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);
	this->word = "123456";
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);

	if (ofGetFrameNum() % 30 < 20) {

		this->noise_step += ofMap(ofGetFrameNum() % 20, 0, 20, 0.3, 0.001);
	}
}

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

	this->cam.begin();
	this->cam.setPosition(glm::vec3(0, 0, 800));
	ofRotateY(ofGetFrameNum());
	ofRotateX(215);

	int size = 65;
	for (int base_deg = 0; base_deg < 360; base_deg += 10) {

		ofPushMatrix();
		ofRotateY(base_deg);

		int deg_span = 60;
		int deg_start = (int)ofMap(ofNoise(cos(base_deg * DEG_TO_RAD) * 0.8, sin(base_deg * DEG_TO_RAD) * 0.8, this->noise_step), 0, 1, -360, 360);
		for (int deg = deg_start; deg < deg_start + 360; deg += deg_span){

			ofPath chara_path = this->font.getCharacterAsPoints(this->word[(int)ofMap(deg, deg_start, deg_start + 360, 0, this->word.size())], true, false);
			vector<ofPolyline> outline = chara_path.getOutline();

			ofPushMatrix();
			ofTranslate(0, 0, -300);
			ofRotateX(deg);

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

				ofNextContour(true);

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

					glm::vec3 location = vertex / 100 * size;
					location -= glm::vec3(size * 0.5, -size * 0.5, 60);

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

			ofNoFill();
			ofSetColor(255);
			ofBeginShape();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				ofNextContour(true);

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

					glm::vec3 location = vertex / 100 * size;
					location -= glm::vec3(size * 0.5, -size * 0.5, 60);

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

			ofPopMatrix();
		}

		ofPopMatrix();
	}

	this->cam.end();
}

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

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

100

101

102

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetLineWidth(2);

ofEnableDepthTest();

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);

this->word = "123456";

}

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

void ofApp::update() {

ofSeedRandom(39);

if (ofGetFrameNum() % 30 < 20) {

this->noise_step += ofMap(ofGetFrameNum() % 20, 0, 20, 0.3, 0.001);

}

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

void ofApp::draw() {

this->cam.begin();

this->cam.setPosition(glm::vec3(0, 0, 800));

ofRotateY(ofGetFrameNum());

ofRotateX(215);

int size = 65;

for (int base_deg = 0; base_deg < 360; base_deg += 10) {

ofPushMatrix();

ofRotateY(base_deg);

int deg_span = 60;

int deg_start = (int)ofMap(ofNoise(cos(base_deg * DEG_TO_RAD) * 0.8, sin(base_deg * DEG_TO_RAD) * 0.8, this->noise_step), 0, 1, -360, 360);

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

ofPath chara_path = this->font.getCharacterAsPoints(this->word[(int)ofMap(deg, deg_start, deg_start + 360, 0, this->word.size())], true, false);

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

ofPushMatrix();

ofTranslate(0, 0, -300);

ofRotateX(deg);

ofFill();

ofSetColor(0);

ofBeginShape();

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

ofNextContour(true);

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

for (auto& vertex : vertices) {

glm::vec3 location = vertex / 100 * size;

location -= glm::vec3(size * 0.5, -size * 0.5, 60);

ofVertex(location);

}

ofEndShape(true);

ofNoFill();

ofSetColor(255);

ofBeginShape();

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

ofNextContour(true);

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

for (auto& vertex : vertices) {

glm::vec3 location = vertex / 100 * size;

location -= glm::vec3(size * 0.5, -size * 0.5, 60);

ofVertex(location);

}

ofEndShape(true);

ofPopMatrix();

}

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230826

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2023年8月5日

Twist twist. Draw by openFrameworks

[ Video ]

[ About ]
ねじりTwist.

[ 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) {};

	ofTrueTypeFont font;
	string word;
};

#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) {};

ofTrueTypeFont font;

string word;

};

#include "ofApp.h"	

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

	this->font.loadFont("fonts/msgothic.ttc", 40, true, true, true);
	this->word = "TWIST ";
}

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


}

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

	ofTranslate(ofGetWindowSize() * 0.5 + glm::vec2(0, 20));

	ofSeedRandom(39);
	int word_index = 0;
	for (int x = -500; x <= 450; x += 50) {

		for (int y = -400; y <= 450; y += 50) {

			auto location = glm::vec3(x, y, 100);
			int word_index = (word_index + 1) % this->word.size();

			ofPath chara_path = this->font.getCharacterAsPoints(this->word[word_index], true, false);
			vector<ofPolyline> outline = chara_path.getOutline();
			
			ofFill();
			ofSetColor(0);
			ofBeginShape();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				ofNextContour(true);

				outline[outline_index] = outline[outline_index].getResampledByCount(100);
				auto vertices = outline[outline_index].getVertices();
				for (auto& vertex : vertices) {

					auto rotate_deg = ofMap(ofNoise(location.x, (location.y + vertex.y) * 0.005 + ofGetFrameNum() * 0.01), 0, 1, -180, 180);
					auto rotation = glm::rotate(glm::mat4(), rotate_deg * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
					auto v = location + glm::vec4(vertex + glm::vec2(-20 , 0), 0) * rotation;

					ofVertex(v);
				}
			}
			ofEndShape(true);

			ofNoFill();
			ofSetColor(255);
			ofBeginShape();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				ofNextContour(true);

				outline[outline_index] = outline[outline_index].getResampledByCount(100);
				auto vertices = outline[outline_index].getVertices();
				for (auto& vertex : vertices) {

					auto rotate_deg = ofMap(ofNoise(location.x, (location.y + vertex.y) * 0.005 + ofGetFrameNum() * 0.01), 0, 1, -180, 180);
					auto rotation = glm::rotate(glm::mat4(), rotate_deg * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
					auto v = location + glm::vec4(vertex + glm::vec2(-20 , 0), 0) * rotation;

					ofVertex(v);
				}
			}
			ofEndShape(true);
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetLineWidth(2);

ofEnableDepthTest();

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

this->font.loadFont("fonts/msgothic.ttc", 40, true, true, true);

this->word = "TWIST ";

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5 + glm::vec2(0, 20));

ofSeedRandom(39);

int word_index = 0;

for (int x = -500; x <= 450; x += 50) {

for (int y = -400; y <= 450; y += 50) {

auto location = glm::vec3(x, y, 100);

int word_index = (word_index + 1) % this->word.size();

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

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

ofFill();

ofSetColor(0);

ofBeginShape();

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

ofNextContour(true);

outline[outline_index] = outline[outline_index].getResampledByCount(100);

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

for (auto& vertex : vertices) {

auto rotate_deg = ofMap(ofNoise(location.x, (location.y + vertex.y) * 0.005 + ofGetFrameNum() * 0.01), 0, 1, -180, 180);

auto rotation = glm::rotate(glm::mat4(), rotate_deg * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

auto v = location + glm::vec4(vertex + glm::vec2(-20 , 0), 0) * rotation;

ofVertex(v);

}

ofEndShape(true);

ofNoFill();

ofSetColor(255);

ofBeginShape();

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

ofNextContour(true);

outline[outline_index] = outline[outline_index].getResampledByCount(100);

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

for (auto& vertex : vertices) {

auto rotate_deg = ofMap(ofNoise(location.x, (location.y + vertex.y) * 0.005 + ofGetFrameNum() * 0.01), 0, 1, -180, 180);

auto rotation = glm::rotate(glm::mat4(), rotate_deg * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

auto v = location + glm::vec4(vertex + glm::vec2(-20 , 0), 0) * rotation;

ofVertex(v);

}

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230805

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2023年7月22日

Torsion Bits. Draw by openFrameworks

[ Video ]

[ About ]
ねじれビット。

[ 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) {};

	ofTrueTypeFont font;
	string word;
};

#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) {};

ofTrueTypeFont font;

string word;

};

#include "ofApp.h"	

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetLineWidth(2);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 50, true, true, true);
	this->word = "01";
}

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


}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	ofSeedRandom(39);
	for (int x = -500; x <= 450; x += 50){

		for (int y = -400; y <= 450; y += 50) {

			auto location = glm::vec3(x, y, 100);
			int word_index = ofMap(ofNoise(location.x * 0.005, location.y * 0.005, ofGetFrameNum() * 0.1), 0, 1, 0, this->word.size());

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

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

				ofNextContour(true);

				outline[outline_index] = outline[outline_index].getResampledByCount(50);
				auto vertices = outline[outline_index].getVertices();
				for (auto& vertex : vertices) {

					glm::vec3 v = location + vertex;
					auto rotate_deg = ofMap(ofNoise(glm::length(v) * 0.002 - ofGetFrameNum() * 0.01), 0, 1, -360, 360);
					auto rotation = glm::rotate(glm::mat4(), rotate_deg * (float)DEG_TO_RAD, glm::vec3(1, 1, 1));
					v = glm::vec4(v, 0) * rotation;
					ofVertex(v);
				}
			}
			ofEndShape(true);

			ofNoFill();
			ofSetColor(255);
			ofBeginShape();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				ofNextContour(true);

				outline[outline_index] = outline[outline_index].getResampledByCount(50);
				auto vertices = outline[outline_index].getVertices();
				for (auto& vertex : vertices) {

					glm::vec3 v = location + vertex;
					auto rotate_deg = ofMap(ofNoise(glm::length(v) * 0.002 - ofGetFrameNum() * 0.01), 0, 1, -360, 360);
					auto rotation = glm::rotate(glm::mat4(), rotate_deg * (float)DEG_TO_RAD, glm::vec3(1, 1, 1));
					v = glm::vec4(v, 0) * rotation;
					ofVertex(v);
				}
			}
			ofEndShape(true);
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 50, true, true, true);

this->word = "01";

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofSeedRandom(39);

for (int x = -500; x <= 450; x += 50){

for (int y = -400; y <= 450; y += 50) {

auto location = glm::vec3(x, y, 100);

int word_index = ofMap(ofNoise(location.x * 0.005, location.y * 0.005, ofGetFrameNum() * 0.1), 0, 1, 0, this->word.size());

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

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

ofFill();

ofSetColor(0);

ofBeginShape();

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

ofNextContour(true);

outline[outline_index] = outline[outline_index].getResampledByCount(50);

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

for (auto& vertex : vertices) {

glm::vec3 v = location + vertex;

auto rotate_deg = ofMap(ofNoise(glm::length(v) * 0.002 - ofGetFrameNum() * 0.01), 0, 1, -360, 360);

auto rotation = glm::rotate(glm::mat4(), rotate_deg * (float)DEG_TO_RAD, glm::vec3(1, 1, 1));

v = glm::vec4(v, 0) * rotation;

ofVertex(v);

}

ofEndShape(true);

ofNoFill();

ofSetColor(255);

ofBeginShape();

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

ofNextContour(true);

outline[outline_index] = outline[outline_index].getResampledByCount(50);

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

for (auto& vertex : vertices) {

glm::vec3 v = location + vertex;

auto rotate_deg = ofMap(ofNoise(glm::length(v) * 0.002 - ofGetFrameNum() * 0.01), 0, 1, -360, 360);

auto rotation = glm::rotate(glm::mat4(), rotate_deg * (float)DEG_TO_RAD, glm::vec3(1, 1, 1));

v = glm::vec4(v, 0) * rotation;

ofVertex(v);

}

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230722

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