font – ページ 37 – プログラミング de 落描き

2020年8月29日2020年8月29日

ROTATE. Draw by openFrameworks

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[ About ]
ROTATE.

[ 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;
};

#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;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 35, true, true, true);
}

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

}

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

	vector<ofColor> color_list{ ofColor(255, 0, 0), ofColor(0, 255, 0), ofColor(0, 0, 255) };
	vector<glm::vec2> location_list;
	for (int x = 120; x < 720; x += 240) {

		for (int y = 120; y < 720; y += 240) {

			location_list.push_back(glm::vec2(x, y));
		}
	}

	string word = "ROTATE";
	auto path_list = font.getStringAsPoints(word, true, false);
	for (auto& path : path_list) {

		auto& outline = path.getOutline();

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

			ofSetColor(color_list[i]);
			for (int k = 0; k < location_list.size(); k++) {

				auto angle_z = ofMap(ofNoise(location_list[k].x, location_list[k].y, i * 0.02 + ofGetFrameNum() * 0.01), 0, 1, -PI * 2, PI * 2);

				ofPushMatrix();
				ofTranslate(location_list[k]);

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

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

					auto vertices = outline[outline_index].getVertices();
					for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

						auto location = glm::vec3(vertices[vertices_index].x - this->font.stringWidth(word) * 0.5, vertices[vertices_index].y + this->font.stringHeight(word) * 0.5, 0);

						auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));
						location = glm::vec4(location, 0) * rotation_z;

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

				ofPopMatrix();
			}
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 35, true, true, true);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

vector<ofColor> color_list{ ofColor(255, 0, 0), ofColor(0, 255, 0), ofColor(0, 0, 255) };

vector<glm::vec2> location_list;

for (int x = 120; x < 720; x += 240) {

for (int y = 120; y < 720; y += 240) {

location_list.push_back(glm::vec2(x, y));

}

string word = "ROTATE";

auto path_list = font.getStringAsPoints(word, true, false);

for (auto& path : path_list) {

auto& outline = path.getOutline();

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

ofSetColor(color_list[i]);

for (int k = 0; k < location_list.size(); k++) {

auto angle_z = ofMap(ofNoise(location_list[k].x, location_list[k].y, i * 0.02 + ofGetFrameNum() * 0.01), 0, 1, -PI * 2, PI * 2);

ofPushMatrix();

ofTranslate(location_list[k]);

ofBeginShape();

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

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

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

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

auto location = glm::vec3(vertices[vertices_index].x - this->font.stringWidth(word) * 0.5, vertices[vertices_index].y + this->font.stringHeight(word) * 0.5, 0);

auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

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

ofVertex(location);

}

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
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2020年8月25日2020年8月25日

Numbers to go around. Draw by openFrameworks

[ Video ]

[ About ]
回転する数字。

Numbers to go around.

[ 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) {};

	ofEasyCam cam;
	vector<ofPath> path_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 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) {};

ofEasyCam cam;

vector<ofPath> path_list;

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetLineWidth(0.5);
	ofEnableDepthTest();

	ofTrueTypeFont font;
	font.loadFont("fonts/Kazesawa-Bold.ttf", 28, true, true, true);

	string word = "01234567890123456789";
	for (int i = 0; i < (int)word.size(); i++) {

		this->path_list.push_back(font.getCharacterAsPoints(word[i], true, false));
	}
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.5);
	ofRotateX(ofGetFrameNum() * 0.32);

	auto noise_param = glm::vec2(ofRandom(1000), ofRandom(1000));
	int rotate_x = ofRandom(360);
	int rotate_y = ofRandom(360);
	for (auto radius = 150; radius < 300; radius += 8) {

		ofPushMatrix();
		ofRotateX(rotate_x += ofRandom(60, 120));
		ofRotateZ(rotate_y += ofRandom(60, 120));

		int deg_start = ofRandom(360) + ofGetFrameNum() * 5;

		for (int deg = deg_start; deg < deg_start + 120; deg += 5) {

			auto location = glm::vec3(0, 0, -radius);
			auto rotation_y = glm::rotate(glm::mat4(), (float)(deg * DEG_TO_RAD), glm::vec3(0, 1, 0));
			location = glm::vec4(location, 0) * rotation_y;

			ofPushMatrix();
			ofTranslate(location);
			ofRotateY(180 - deg);
			ofRotateX(180);

			int noise_index = ofMap(ofNoise(location.x * 0.008, location.y * 0.008, location.z * 0.008, ofGetFrameNum() * 0.03), 0, 1, 0, path_list.size());
			int tmp_size = (2 * radius * PI) / 48;
			auto outline = path_list[noise_index].getOutline();

			deg < deg_start + 90 ? ofSetColor(ofColor(39, ofMap(deg, deg_start, deg_start + 90, 0, 255))) : ofSetColor(39);
			ofFill();
			ofBeginShape();
			for (int line_index = 0; line_index < outline.size(); line_index++) {

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

				auto vertices = outline[line_index].getVertices();
				for (int i = 0; i < vertices.size(); i++) {

					ofVertex((vertices[i] / 28 * tmp_size) + glm::vec2(tmp_size * -0.5, tmp_size * 0.5));
				}
			}
			ofEndShape(true);

			deg < deg_start + 90 ? ofSetColor(ofColor(239, ofMap(deg, deg_start, deg_start + 90, 0, 255))) : ofSetColor(239);
			ofNoFill();
			ofBeginShape();
			for (int line_index = 0; line_index < outline.size(); line_index++) {

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

				auto vertices = outline[line_index].getVertices();
				for (int i = 0; i < vertices.size(); i++) {

					ofVertex((vertices[i] / 28 * tmp_size) + glm::vec2(tmp_size * -0.5, tmp_size * 0.5));
				}
			}
			ofEndShape(true);

			ofPopMatrix();
		}

		ofPopMatrix();
	}

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(0.5);

ofEnableDepthTest();

ofTrueTypeFont font;

font.loadFont("fonts/Kazesawa-Bold.ttf", 28, true, true, true);

string word = "01234567890123456789";

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

this->path_list.push_back(font.getCharacterAsPoints(word[i], true, false));

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

ofRotateX(ofGetFrameNum() * 0.32);

auto noise_param = glm::vec2(ofRandom(1000), ofRandom(1000));

int rotate_x = ofRandom(360);

int rotate_y = ofRandom(360);

for (auto radius = 150; radius < 300; radius += 8) {

ofPushMatrix();

ofRotateX(rotate_x += ofRandom(60, 120));

ofRotateZ(rotate_y += ofRandom(60, 120));

int deg_start = ofRandom(360) + ofGetFrameNum() * 5;

for (int deg = deg_start; deg < deg_start + 120; deg += 5) {

auto location = glm::vec3(0, 0, -radius);

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

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

ofPushMatrix();

ofTranslate(location);

ofRotateY(180 - deg);

ofRotateX(180);

int noise_index = ofMap(ofNoise(location.x * 0.008, location.y * 0.008, location.z * 0.008, ofGetFrameNum() * 0.03), 0, 1, 0, path_list.size());

int tmp_size = (2 * radius * PI) / 48;

auto outline = path_list[noise_index].getOutline();

deg < deg_start + 90 ? ofSetColor(ofColor(39, ofMap(deg, deg_start, deg_start + 90, 0, 255))) : ofSetColor(39);

ofFill();

ofBeginShape();

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

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

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

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

ofVertex((vertices[i] / 28 * tmp_size) + glm::vec2(tmp_size * -0.5, tmp_size * 0.5));

}

ofEndShape(true);

deg < deg_start + 90 ? ofSetColor(ofColor(239, ofMap(deg, deg_start, deg_start + 90, 0, 255))) : ofSetColor(239);

ofNoFill();

ofBeginShape();

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

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

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

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

ofVertex((vertices[i] / 28 * tmp_size) + glm::vec2(tmp_size * -0.5, tmp_size * 0.5));

}

ofEndShape(true);

ofPopMatrix();

}

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200825

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2020年8月11日2020年8月11日

Text by reflective lines. Draw by openFrameworks

[ Video ]

[ About ]
反射する線による文字。

Text by reflective lines.

[ 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) {};

	int number_of_agent;
	int len_of_tail;
	float speed_param;
	vector<deque<glm::vec2>> logs;
	vector<glm::vec2> directions;
	vector<ofColor> colors;

	ofFbo fbo;
	ofPixels pixels;
};

#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) {};

int number_of_agent;

int len_of_tail;

float speed_param;

vector<deque<glm::vec2>> logs;

vector<glm::vec2> directions;

vector<ofColor> colors;

ofFbo fbo;

ofPixels pixels;

};

#include "ofApp.h"

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

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

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

	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);

	ofColor color;
	vector<ofColor> color_base_list;
	vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };
	for (auto hex : hex_list) {

		color.setHex(hex);
		color_base_list.push_back(color);
	}

	this->fbo.allocate(ofGetWidth(), ofGetHeight());
	this->fbo.begin();
	ofClear(0);

	ofTrueTypeFont font;
	font.loadFont("fonts/Kazesawa-bold.ttf", 320, true, true, true);
	string word = "AB";
	font.drawString(word, ofGetWidth() * 0.5 - font.stringWidth(word) * 0.5, ofGetHeight() * 0.5 - font.stringHeight(word) * 0.05);
	word = "CD";
	font.drawString(word, ofGetWidth() * 0.5 - font.stringWidth(word) * 0.5, ofGetHeight() * 0.5 + font.stringHeight(word) * 1.05);

	this->fbo.end();
	this->fbo.readToPixels(this->pixels);

	this->number_of_agent = 350;
	this->len_of_tail = 30;
	while (this->logs.size() < this->number_of_agent) {

		int x = ofRandom(ofGetWidth());
		int y = ofRandom(ofGetHeight());
		if (this->pixels.getColor(x, y) != ofColor(0, 0)) {

			deque<glm::vec2> log;
			log.push_front(glm::vec2(x, y));
			this->logs.push_back(log);
			this->directions.push_back(glm::normalize(glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1))));
			this->colors.push_back(color_base_list[(int)ofRandom(color_base_list.size())]);
		}
	}
}

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

	if (ofGetFrameNum() % 60 == 0) {

		while (true) {
		
			float tmp = ofRandom(1);
			if (abs(this->speed_param - tmp) > 0.25) {

				this->speed_param = tmp;
				break;
			}

		}
	}

	for (int i = 0; i < this->number_of_agent; i++) {

		glm::vec2 future = this->logs[i].front() + this->directions[i] * 5 * this->speed_param;
		int x = future.x;
		int y = future.y;

		while (this->pixels.getColor(x, y) == ofColor(0, 0)) {

			this->directions[i] = glm::normalize(glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1)));

			future = this->logs[i].front() + this->directions[i] * 10 * this->speed_param;
			x = future.x;
			y = future.y;
		}

		this->logs[i].push_front(future);
		while (this->logs[i].size() > this->len_of_tail) {

			this->logs[i].pop_back();
		}
	}
}

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

	for (int i = 0; i < this->number_of_agent; i++) {

		ofSetColor(this->colors[i]);
		for (int l = 0; l < this->logs[i].size() - 1; l++) {

			ofDrawLine(this->logs[i][l], this->logs[i][l + 1]);
		}
	}
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(2);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);

ofColor color;

vector<ofColor> color_base_list;

vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };

for (auto hex : hex_list) {

color.setHex(hex);

color_base_list.push_back(color);

}

this->fbo.allocate(ofGetWidth(), ofGetHeight());

this->fbo.begin();

ofClear(0);

ofTrueTypeFont font;

font.loadFont("fonts/Kazesawa-bold.ttf", 320, true, true, true);

string word = "AB";

font.drawString(word, ofGetWidth() * 0.5 - font.stringWidth(word) * 0.5, ofGetHeight() * 0.5 - font.stringHeight(word) * 0.05);

word = "CD";

font.drawString(word, ofGetWidth() * 0.5 - font.stringWidth(word) * 0.5, ofGetHeight() * 0.5 + font.stringHeight(word) * 1.05);

this->fbo.end();

this->fbo.readToPixels(this->pixels);

this->number_of_agent = 350;

this->len_of_tail = 30;

while (this->logs.size() < this->number_of_agent) {

int x = ofRandom(ofGetWidth());

int y = ofRandom(ofGetHeight());

if (this->pixels.getColor(x, y) != ofColor(0, 0)) {

deque<glm::vec2> log;

log.push_front(glm::vec2(x, y));

this->logs.push_back(log);

this->directions.push_back(glm::normalize(glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1))));

this->colors.push_back(color_base_list[(int)ofRandom(color_base_list.size())]);

}

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

void ofApp::update() {

if (ofGetFrameNum() % 60 == 0) {

while (true) {

float tmp = ofRandom(1);

if (abs(this->speed_param - tmp) > 0.25) {

this->speed_param = tmp;

break;

}

for (int i = 0; i < this->number_of_agent; i++) {

glm::vec2 future = this->logs[i].front() + this->directions[i] * 5 * this->speed_param;

int x = future.x;

int y = future.y;

while (this->pixels.getColor(x, y) == ofColor(0, 0)) {

this->directions[i] = glm::normalize(glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1)));

future = this->logs[i].front() + this->directions[i] * 10 * this->speed_param;

x = future.x;

y = future.y;

}

this->logs[i].push_front(future);

while (this->logs[i].size() > this->len_of_tail) {

this->logs[i].pop_back();

}

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

void ofApp::draw() {

for (int i = 0; i < this->number_of_agent; i++) {

ofSetColor(this->colors[i]);

for (int l = 0; l < this->logs[i].size() - 1; l++) {

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

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200811

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