プログラミング de 落描き – クリエイティブ・コーディングによる生成物とソース

2023年2月8日

Circle packing. Draw by openFrameworks

[ Video ]

[ About ]
文字を敷き詰める。

[ 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) {};

	ofTrueTypeFont font;

	float random_seed;
};

#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) {};

ofTrueTypeFont font;

float random_seed;

};

#include "ofApp.h"	

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

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

	ofBackground(255);
	ofSetLineWidth(2);

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

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

	if (ofGetFrameNum() % 45 < 5) {

		this->random_seed = ofRandom(1000);
	}

	ofSeedRandom(this->random_seed);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	//string word = "0123456789";
	string word = "LOVE";

	auto number_of_sphere = 150;
	vector<glm::vec2> location_list;
	vector<float> radius_list;

	while (location_list.size() < number_of_sphere) {

		auto location = glm::vec2(ofRandom(-300, 300), ofRandom(-300, 300));
		auto radius = ofRandom(8, 70);
		bool flag = true;
		for (int i = 0; i < location_list.size(); i++) {

			if (glm::distance(location, location_list[i]) < (radius + radius_list[i])) {

				flag = false;
				break;
			}
		}

		if (flag) {

			location_list.push_back(location);
			radius_list.push_back(radius);
		}
	}

	int count = 0;
	while (true) {

		auto all = true;

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

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

				if (i == k) { continue; }

				if (glm::distance(location_list[i], location_list[k]) < (radius_list[i] + radius_list[k])) {

					flag = false;
				}
			}

			if (flag) {

				radius_list[i] += 1;
				all = false;
				break;
			}
		}

		if (all) {

			break;
		}

		count++;
	}

	ofColor color;
	auto param = ofGetFrameNum() % 45 < 5 ? 0.2 : ofGetFrameNum() % 45 < 15 ? ofMap(ofGetFrameNum() % 45, 5, 15, 0.2, 1) : 1;
	for (int i = 0; i < location_list.size(); i++) {

		color.setHsb(ofRandom(255), 255, 255);

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

		auto angle = ofRandom(-PI * 0.5, PI * 0.5);
		auto rotation = glm::rotate(glm::mat4(), angle, glm::vec3(0, 0, 1));

		ofSetColor(color, 128);
		ofFill();
		ofBeginShape();
		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			ofNextContour(true);

			outline[outline_index] = outline[outline_index].getResampledByCount(150);
			vector<glm::vec3> vertices = outline[outline_index].getVertices();

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

				glm::vec2 vertex = location_list[i] + glm::vec4(((vertices[vertices_index] - glm::vec2(25, -25)) / 50) * radius_list[i] * 1.5 * param, 0) * rotation;
				ofVertex(vertex);
			}
		}
		ofEndShape(true);

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

			ofNextContour(true);

			outline[outline_index] = outline[outline_index].getResampledByCount(150);
			vector<glm::vec3> vertices = outline[outline_index].getVertices();

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

				glm::vec2 vertex = location_list[i] + glm::vec4(((vertices[vertices_index] - glm::vec2(25, -25)) / 50) * radius_list[i] * 1.5 * param, 0) * rotation;
				ofVertex(vertex);
			}
		}
		ofEndShape(true);

		//ofDrawCircle(location_list[i], radius_list[i]);
	}

}

//--------------------------------------------------------------
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(255);

ofSetLineWidth(2);

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

}

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

void ofApp::update() {

if (ofGetFrameNum() % 45 < 5) {

this->random_seed = ofRandom(1000);

}

ofSeedRandom(this->random_seed);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

//string word = "0123456789";

string word = "LOVE";

auto number_of_sphere = 150;

vector<glm::vec2> location_list;

vector<float> radius_list;

while (location_list.size() < number_of_sphere) {

auto location = glm::vec2(ofRandom(-300, 300), ofRandom(-300, 300));

auto radius = ofRandom(8, 70);

bool flag = true;

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

if (glm::distance(location, location_list[i]) < (radius + radius_list[i])) {

flag = false;

break;

}

if (flag) {

location_list.push_back(location);

radius_list.push_back(radius);

}

int count = 0;

while (true) {

auto all = true;

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

auto flag = true;

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

if (i == k) { continue; }

if (glm::distance(location_list[i], location_list[k]) < (radius_list[i] + radius_list[k])) {

flag = false;

}

if (flag) {

radius_list[i] += 1;

all = false;

break;

}

if (all) {

break;

}

count++;

}

ofColor color;

auto param = ofGetFrameNum() % 45 < 5 ? 0.2 : ofGetFrameNum() % 45 < 15 ? ofMap(ofGetFrameNum() % 45, 5, 15, 0.2, 1) : 1;

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

color.setHsb(ofRandom(255), 255, 255);

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

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

auto angle = ofRandom(-PI * 0.5, PI * 0.5);

auto rotation = glm::rotate(glm::mat4(), angle, glm::vec3(0, 0, 1));

ofSetColor(color, 128);

ofFill();

ofBeginShape();

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

ofNextContour(true);

outline[outline_index] = outline[outline_index].getResampledByCount(150);

vector<glm::vec3> vertices = outline[outline_index].getVertices();

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

glm::vec2 vertex = location_list[i] + glm::vec4(((vertices[vertices_index] - glm::vec2(25, -25)) / 50) * radius_list[i] * 1.5 * param, 0) * rotation;

ofVertex(vertex);

}

ofEndShape(true);

ofSetColor(color);

ofNoFill();

ofBeginShape();

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

ofNextContour(true);

outline[outline_index] = outline[outline_index].getResampledByCount(150);

vector<glm::vec3> vertices = outline[outline_index].getVertices();

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

glm::vec2 vertex = location_list[i] + glm::vec4(((vertices[vertices_index] - glm::vec2(25, -25)) / 50) * radius_list[i] * 1.5 * param, 0) * rotation;

ofVertex(vertex);

}

ofEndShape(true);

//ofDrawCircle(location_list[i], radius_list[i]);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230208

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2023年2月7日

Numbers on the box. Draw by openFrameworks

[ Video ]

[ About ]
箱の上の数字。

[ 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) {};

	ofEasyCam cam;
	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 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;

ofTrueTypeFont font;

};

#include "ofApp.h"	

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

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

	ofBackground(0);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	this->font.loadFont("fonts/msgothic.ttc", 50, true, true, true);
}

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

	ofSeedRandom(39);
}

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

	string word = "0123456789";
	ofColor color;

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.333333333333);
	ofRotateX(ofGetFrameNum() * 0.666666666666);

	ofNoFill();
	auto len = 200;
	for (int i = 0; i < 8; i++) {

		if (i < 4) {

			ofRotateX(90);
		}
		else if (i < 5) {

			ofRotateY(90);
		}
		else {

			ofRotateY(180);
		}

		for (int k = 0; k < 30; k++) {

			auto location = glm::vec3(ofRandom(-len * 0.5, len * 0.5), ofRandom(-len * 0.5, len * 0.5), len * 0.5);
			auto radius = (int)(ofRandom(1000) + ofGetFrameNum()) % 150 - 100;
			color.setHsb(ofRandom(255), 180, 255);

			auto angle = ofRandom(-PI * 2, PI * 2);
			auto rotation = glm::rotate(glm::mat4(), angle, glm::vec3(0, 0, 1));

			if (radius > 0) {

				ofSetColor(color, radius > 25 ? ofMap(radius, 25, 50, 255, 0) : 255);

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

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

					ofNextContour(true);

					outline[outline_index] = outline[outline_index].getResampledByCount(60);
					vector<glm::vec3> vertices = outline[outline_index].getVertices();

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

						glm::vec3 vertex = location + glm::vec4(((vertices[vertices_index] - glm::vec2(25, -25)) / 50) * radius * 2, 0) * rotation;
						vertex.z += k;

						if (vertex.y > len * 0.5) { vertex.y = len * 0.5; }
						if (vertex.y < -len * 0.5) { vertex.y = -len * 0.5; }
						if (vertex.x > len * 0.5) { vertex.x = len * 0.5; }
						if (vertex.x < -len * 0.5) { vertex.x = -len * 0.5; }

						ofVertex(vertex);
					}
				}
				ofEndShape(true);

				ofSetColor(color, radius > 25 ? ofMap(radius, 25, 80, 32, 0) : 32);

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

					ofNextContour(true);

					outline[outline_index] = outline[outline_index].getResampledByCount(60);
					vector<glm::vec3> vertices = outline[outline_index].getVertices();

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

						glm::vec3 vertex = location + glm::vec4(((vertices[vertices_index] - glm::vec2(25, -25)) / 50) * radius * 2, 0) * rotation;
						vertex.z += k;

						if (vertex.y > len * 0.5) { vertex.y = len * 0.5; }
						if (vertex.y < -len * 0.5) { vertex.y = -len * 0.5; }
						if (vertex.x > len * 0.5) { vertex.x = len * 0.5; }
						if (vertex.x < -len * 0.5) { vertex.x = -len * 0.5; }

						ofVertex(vertex);
					}
				}
				ofEndShape(true);
			}
		}

		ofSetColor(0);
		ofFill();
		ofDrawBox(len * 0.95);
	}

	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(2);

ofEnableDepthTest();

this->font.loadFont("fonts/msgothic.ttc", 50, true, true, true);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

string word = "0123456789";

ofColor color;

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.333333333333);

ofRotateX(ofGetFrameNum() * 0.666666666666);

ofNoFill();

auto len = 200;

for (int i = 0; i < 8; i++) {

if (i < 4) {

ofRotateX(90);

}

else if (i < 5) {

ofRotateY(90);

}

else {

ofRotateY(180);

}

for (int k = 0; k < 30; k++) {

auto location = glm::vec3(ofRandom(-len * 0.5, len * 0.5), ofRandom(-len * 0.5, len * 0.5), len * 0.5);

auto radius = (int)(ofRandom(1000) + ofGetFrameNum()) % 150 - 100;

color.setHsb(ofRandom(255), 180, 255);

auto angle = ofRandom(-PI * 2, PI * 2);

auto rotation = glm::rotate(glm::mat4(), angle, glm::vec3(0, 0, 1));

if (radius > 0) {

ofSetColor(color, radius > 25 ? ofMap(radius, 25, 50, 255, 0) : 255);

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

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

ofFill();

ofBeginShape();

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

ofNextContour(true);

outline[outline_index] = outline[outline_index].getResampledByCount(60);

vector<glm::vec3> vertices = outline[outline_index].getVertices();

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

glm::vec3 vertex = location + glm::vec4(((vertices[vertices_index] - glm::vec2(25, -25)) / 50) * radius * 2, 0) * rotation;

vertex.z += k;

if (vertex.y > len * 0.5) { vertex.y = len * 0.5; }

if (vertex.y < -len * 0.5) { vertex.y = -len * 0.5; }

if (vertex.x > len * 0.5) { vertex.x = len * 0.5; }

if (vertex.x < -len * 0.5) { vertex.x = -len * 0.5; }

ofVertex(vertex);

}

ofEndShape(true);

ofSetColor(color, radius > 25 ? ofMap(radius, 25, 80, 32, 0) : 32);

ofNoFill();

ofBeginShape();

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

ofNextContour(true);

outline[outline_index] = outline[outline_index].getResampledByCount(60);

vector<glm::vec3> vertices = outline[outline_index].getVertices();

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

glm::vec3 vertex = location + glm::vec4(((vertices[vertices_index] - glm::vec2(25, -25)) / 50) * radius * 2, 0) * rotation;

vertex.z += k;

if (vertex.y > len * 0.5) { vertex.y = len * 0.5; }

if (vertex.y < -len * 0.5) { vertex.y = -len * 0.5; }

if (vertex.x > len * 0.5) { vertex.x = len * 0.5; }

if (vertex.x < -len * 0.5) { vertex.x = -len * 0.5; }

ofVertex(vertex);

}

ofEndShape(true);

}

ofSetColor(0);

ofFill();

ofDrawBox(len * 0.95);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230207/

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2023年2月6日

Character sphere. Draw by openFrameworks

[ Video ]

[ About ]
文字の球体。

[ 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;
	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;

ofTrueTypeFont font;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetLineWidth(3);
	ofEnableDepthTest();

	this->font.loadFont("fonts/msgothic.ttc", 50, true, true, true);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.7);
	ofRotateX(ofGetFrameNum() * 1.2);

	ofColor color;
	string word = "JunKiyoshi";
	
	for (int i = 0; i < 300; i++) {

		ofRotateZ(ofRandom(360));
		ofRotateY(ofRandom(360));
		ofRotateX(ofRandom(360));

		auto noise_value = ofNoise(ofRandom(1000), ofGetFrameNum() * 0.05);
		auto len = noise_value < 0.5 ? 0 : ofMap(noise_value, 0.5, 1, 0, 150);

		int sample_count = 60;

		auto hue = ofRandom(255);
		ofPath chara_path = this->font.getCharacterAsPoints(word[(int)ofRandom(word.size())], true, false);
		vector<ofPolyline> outline = chara_path.getOutline();

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

			outline[outline_index] = outline[outline_index].getResampledByCount(sample_count);
			vector<glm::vec3> vertices = outline[outline_index].getVertices();
			vector<glm::vec3> mesh_vertices;
			vector<glm::vec3> base_location_list;

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

				auto base_location = glm::vec3(0, 0, -150);
				auto location = vertices[vertices_index] - glm::vec3(25, -25, 0);

				mesh_vertices.push_back(location);
				base_location_list.push_back(base_location);
			}

			ofMesh face, line;
			line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
			for (int k = 0; k < mesh_vertices.size(); k++) {

				face.addVertex(base_location_list[k] + mesh_vertices[k] + glm::vec3(0, 0, 0));
				face.addVertex(base_location_list[k] + mesh_vertices[k] + glm::vec3(0, 0, -len));

				line.addVertex(base_location_list[k] + mesh_vertices[k] + glm::vec3(0, 0, 0));
				line.addVertex(base_location_list[k] + mesh_vertices[k] + glm::vec3(0, 0, -len));

				if (k > 0) {

					face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 4);
					face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 4);

					line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 3);
					line.addIndex(line.getNumVertices() - 2); line.addIndex(line.getNumVertices() - 4);
				}
			}

			face.addIndex(face.getNumVertices() - 1); face.addIndex(0); face.addIndex(1);
			face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(2);

			line.addIndex(line.getNumVertices() - 1); line.addIndex(1);
			line.addIndex(line.getNumVertices() - 2); line.addIndex(0);

			color.setHsb(hue, 150, 230);

			ofSetColor(color);
			face.draw();

			color.setHsb(hue, 255, 255);

			ofSetColor(ofColor(255));
			line.drawWireframe();
		}
	}

	ofSetColor(0);
	ofDrawSphere(145);

	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(3);

ofEnableDepthTest();

this->font.loadFont("fonts/msgothic.ttc", 50, true, true, true);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.7);

ofRotateX(ofGetFrameNum() * 1.2);

ofColor color;

string word = "JunKiyoshi";

for (int i = 0; i < 300; i++) {

ofRotateZ(ofRandom(360));

ofRotateY(ofRandom(360));

ofRotateX(ofRandom(360));

auto noise_value = ofNoise(ofRandom(1000), ofGetFrameNum() * 0.05);

auto len = noise_value < 0.5 ? 0 : ofMap(noise_value, 0.5, 1, 0, 150);

int sample_count = 60;

auto hue = ofRandom(255);

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

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

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

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

vector<glm::vec3> vertices = outline[outline_index].getVertices();

vector<glm::vec3> mesh_vertices;

vector<glm::vec3> base_location_list;

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

auto base_location = glm::vec3(0, 0, -150);

auto location = vertices[vertices_index] - glm::vec3(25, -25, 0);

mesh_vertices.push_back(location);

base_location_list.push_back(base_location);

}

ofMesh face, line;

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

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

face.addVertex(base_location_list[k] + mesh_vertices[k] + glm::vec3(0, 0, 0));

face.addVertex(base_location_list[k] + mesh_vertices[k] + glm::vec3(0, 0, -len));

line.addVertex(base_location_list[k] + mesh_vertices[k] + glm::vec3(0, 0, 0));

line.addVertex(base_location_list[k] + mesh_vertices[k] + glm::vec3(0, 0, -len));

if (k > 0) {

face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 4);

face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 4);

line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 3);

line.addIndex(line.getNumVertices() - 2); line.addIndex(line.getNumVertices() - 4);

}

face.addIndex(face.getNumVertices() - 1); face.addIndex(0); face.addIndex(1);

face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(2);

line.addIndex(line.getNumVertices() - 1); line.addIndex(1);

line.addIndex(line.getNumVertices() - 2); line.addIndex(0);

color.setHsb(hue, 150, 230);

ofSetColor(color);

face.draw();

color.setHsb(hue, 255, 255);

ofSetColor(ofColor(255));

line.drawWireframe();

}

ofSetColor(0);

ofDrawSphere(145);

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230206

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