ofMesh – ページ 23 – プログラミング de 落描き

2023年2月21日

Damaged torus. Draw by openFrameworks

[ Video ]

[ About ]
破損トーラス

[ 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) {};

	glm::vec3 make_point(float R, float r, float u, float v);

	ofEasyCam cam;
	ofMesh face, line;
};

#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) {};

glm::vec3 make_point(float R, float r, float u, float v);

ofEasyCam cam;

ofMesh face, line;

};

#include "ofApp.h"

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

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

	ofBackground(255);
	ofSetLineWidth(2);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);

	auto seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
	ofColor color;

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

	float phi_deg_step = 4;
	float theta_deg_step = 4;
	float threshold_1 = 0.4;
	float threshold_2 = 0.6;

	float R = 240;
	for (int r = 10; r <= 60; r += 10) {

		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 noise_value = ofNoise(glm::vec4(this->make_point(R, 30, theta_deg, phi_deg) * 0.0085, r * 0.005 + ofGetFrameNum() * 0.02));
				if (noise_value <= threshold_1 || noise_value >= threshold_2) { continue; }

				auto noise_1 = ofNoise(glm::vec4(this->make_point(R, 30, theta_deg - theta_deg_step, phi_deg) * 0.0085, r * 0.005 + ofGetFrameNum() * 0.02));
				auto noise_2 = ofNoise(glm::vec4(this->make_point(R, 30, theta_deg, phi_deg + phi_deg_step) * 0.0085, r * 0.005 + ofGetFrameNum() * 0.02));
				auto noise_3 = ofNoise(glm::vec4(this->make_point(R, 30, theta_deg, phi_deg - phi_deg_step) * 0.0085, r * 0.005 + ofGetFrameNum() * 0.02));
				auto noise_4 = ofNoise(glm::vec4(this->make_point(R, 30, theta_deg + theta_deg_step, phi_deg) * 0.0085, r * 0.005 + ofGetFrameNum() * 0.02));

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

				vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg - theta_deg_step * 0.5, phi_deg - phi_deg_step * 0.5)));
				vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg + theta_deg_step * 0.5, phi_deg - phi_deg_step * 0.5)));
				vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg - theta_deg_step * 0.5, phi_deg + phi_deg_step * 0.5)));
				vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg + theta_deg_step * 0.5, phi_deg + phi_deg_step * 0.5)));

				this->face.addVertices(vertices);

				color = ofColor(0);
				for (int i = 0; i < 4; i++) {

					this->face.addColor(color);
				}

				color.setHsb(ofMap(r, 10, 60, 0, 255), 150, 255);

				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);

				if (noise_1 <= threshold_1 || noise_1 >= threshold_2) {

					this->line.addVertex(vertices[0]);
					this->line.addVertex(vertices[2]);

					this->line.addColor(color);
					this->line.addColor(color);

					this->line.addIndex(this->line.getNumVertices() - 1);
					this->line.addIndex(this->line.getNumVertices() - 2);
				}

				if (noise_2 <= threshold_1 || noise_2 >= threshold_2) {

					this->line.addVertex(vertices[2]);
					this->line.addVertex(vertices[3]);

					this->line.addColor(color);
					this->line.addColor(color);

					this->line.addIndex(this->line.getNumVertices() - 1);
					this->line.addIndex(this->line.getNumVertices() - 2);
				}

				if (noise_3 <= threshold_1 || noise_3 >= threshold_2) {

					this->line.addVertex(vertices[0]);
					this->line.addVertex(vertices[1]);

					this->line.addColor(color);
					this->line.addColor(color);

					this->line.addIndex(this->line.getNumVertices() - 1);
					this->line.addIndex(this->line.getNumVertices() - 2);
				}

				if (noise_4 <= threshold_1 || noise_4 >= threshold_2) {

					this->line.addVertex(vertices[1]);
					this->line.addVertex(vertices[3]);

					this->line.addColor(color);
					this->line.addColor(color);

					this->line.addIndex(this->line.getNumVertices() - 1);
					this->line.addIndex(this->line.getNumVertices() - 2);

				}
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.333333333333333 * 6);

	this->line.draw();
	this->face.draw();

	this->cam.end();

	/*
	ostringstream os;
	os << setw(4) << setfill('0') << ofGetFrameNum() + 1;
	ofImage image;
	image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
	image.saveImage("image/img_" + os.str() + ".jpg");
	if (ofGetFrameNum() + 1 >= 30 * 18) {

		std::exit(1);
	}

	// > ffmpeg -i img_%04d.jpg -r 30 out.mp4

	*/

}

//--------------------------------------------------------------
glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

	// 数学デッサン教室 描いて楽しむ数学たち　P.31

	u *= DEG_TO_RAD;
	v *= DEG_TO_RAD;

	auto x = (R + r * cos(u)) * cos(v);
	auto y = (R + r * cos(u)) * sin(v);
	auto z = r * sin(u);

	return glm::vec3(x, y, z);
}


//--------------------------------------------------------------
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);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

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

ofColor color;

this->face.clear();

this->line.clear();

float phi_deg_step = 4;

float theta_deg_step = 4;

float threshold_1 = 0.4;

float threshold_2 = 0.6;

float R = 240;

for (int r = 10; r <= 60; r += 10) {

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 noise_value = ofNoise(glm::vec4(this->make_point(R, 30, theta_deg, phi_deg) * 0.0085, r * 0.005 + ofGetFrameNum() * 0.02));

if (noise_value <= threshold_1 || noise_value >= threshold_2) { continue; }

auto noise_1 = ofNoise(glm::vec4(this->make_point(R, 30, theta_deg - theta_deg_step, phi_deg) * 0.0085, r * 0.005 + ofGetFrameNum() * 0.02));

auto noise_2 = ofNoise(glm::vec4(this->make_point(R, 30, theta_deg, phi_deg + phi_deg_step) * 0.0085, r * 0.005 + ofGetFrameNum() * 0.02));

auto noise_3 = ofNoise(glm::vec4(this->make_point(R, 30, theta_deg, phi_deg - phi_deg_step) * 0.0085, r * 0.005 + ofGetFrameNum() * 0.02));

auto noise_4 = ofNoise(glm::vec4(this->make_point(R, 30, theta_deg + theta_deg_step, phi_deg) * 0.0085, r * 0.005 + ofGetFrameNum() * 0.02));

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg - theta_deg_step * 0.5, phi_deg - phi_deg_step * 0.5)));

vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg + theta_deg_step * 0.5, phi_deg - phi_deg_step * 0.5)));

vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg - theta_deg_step * 0.5, phi_deg + phi_deg_step * 0.5)));

vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg + theta_deg_step * 0.5, phi_deg + phi_deg_step * 0.5)));

this->face.addVertices(vertices);

color = ofColor(0);

for (int i = 0; i < 4; i++) {

this->face.addColor(color);

}

color.setHsb(ofMap(r, 10, 60, 0, 255), 150, 255);

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);

if (noise_1 <= threshold_1 || noise_1 >= threshold_2) {

this->line.addVertex(vertices[0]);

this->line.addVertex(vertices[2]);

this->line.addColor(color);

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

this->line.addIndex(this->line.getNumVertices() - 2);

}

if (noise_2 <= threshold_1 || noise_2 >= threshold_2) {

this->line.addVertex(vertices[2]);

this->line.addVertex(vertices[3]);

this->line.addColor(color);

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

this->line.addIndex(this->line.getNumVertices() - 2);

}

if (noise_3 <= threshold_1 || noise_3 >= threshold_2) {

this->line.addVertex(vertices[0]);

this->line.addVertex(vertices[1]);

this->line.addColor(color);

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

this->line.addIndex(this->line.getNumVertices() - 2);

}

if (noise_4 <= threshold_1 || noise_4 >= threshold_2) {

this->line.addVertex(vertices[1]);

this->line.addVertex(vertices[3]);

this->line.addColor(color);

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

this->line.addIndex(this->line.getNumVertices() - 2);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.333333333333333 * 6);

this->line.draw();

this->face.draw();

this->cam.end();

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() + 1;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/img_" + os.str() + ".jpg");

if (ofGetFrameNum() + 1 >= 30 * 18) {

std::exit(1);

}

// > ffmpeg -i img_%04d.jpg -r 30 out.mp4

}

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

glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

// 数学デッサン教室描いて楽しむ数学たち　P.31

u *= DEG_TO_RAD;

v *= DEG_TO_RAD;

auto x = (R + r * cos(u)) * cos(v);

auto y = (R + r * cos(u)) * sin(v);

auto z = r * sin(u);

return glm::vec3(x, y, z);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230221

2023年2月16日

Gradation box. Draw by openFrameworks

[ Video ]

[ About ]
グラデーション箱。

[ 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> base_location_list;
	vector<ofColor> base_color_list;

	vector<vector<glm::vec3>> log_list;
	vector<ofColor> color_list;
	vector<float> life_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;

vector<glm::vec3> base_location_list;

vector<ofColor> base_color_list;

vector<vector<glm::vec3>> log_list;

vector<ofColor> color_list;

vector<float> life_list;

};

#include "ofApp.h"	

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

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

	ofBackground(0);
	ofNoFill();
	ofEnableDepthTest();
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	for (int x = -200; x <= 200; x += 1) {

		this->base_location_list.push_back(glm::vec3(x, -200, -200));
		this->base_location_list.push_back(glm::vec3(x, -200, 200));
		this->base_location_list.push_back(glm::vec3(x, 200, -200));
		this->base_location_list.push_back(glm::vec3(x, 200, 200));
	}

	for (int y = -200; y <= 200; y += 1) {

		this->base_location_list.push_back(glm::vec3(-200, y, -200));
		this->base_location_list.push_back(glm::vec3(-200, y, 200));
		this->base_location_list.push_back(glm::vec3(200, y, -200));
		this->base_location_list.push_back(glm::vec3(200, y, 200));
	}

	for (int z = -200; z <= 200; z += 1) {

		this->base_location_list.push_back(glm::vec3(-200, -200, z));
		this->base_location_list.push_back(glm::vec3(-200, 200, z));
		this->base_location_list.push_back(glm::vec3(200, -200, z));
		this->base_location_list.push_back(glm::vec3(200, 200, z));
	}
}

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

	int radius = 5;
	ofColor color;
	while (this->log_list.size() < 5500) {

		int font_location_index = ofRandom(this->base_location_list.size());
		vector<glm::vec3> log;
		log.push_back(this->base_location_list[font_location_index]);
		this->log_list.push_back(log);
		if (this->base_location_list[font_location_index].x == 200 || this->base_location_list[font_location_index].x == -200) {
		
			if (this->base_location_list[font_location_index].y == 200 || this->base_location_list[font_location_index].y == -200) {

				color.setHsb(ofMap(this->base_location_list[font_location_index].z, -200, 200, 0, 255), ofRandom(100, 255), ofRandom(100, 255));
			}
			else {

				color.setHsb(ofMap(this->base_location_list[font_location_index].y, -200, 200, 0, 255), ofRandom(100, 255), ofRandom(100, 255));
			}
		}
		else if (this->base_location_list[font_location_index].y == 200 || this->base_location_list[font_location_index].y == -200) {

			color.setHsb(ofMap(this->base_location_list[font_location_index].x, -200, 200, 0, 255), ofRandom(100, 255), ofRandom(100, 255));
		}

		this->color_list.push_back(color);
		this->life_list.push_back(ofRandom(10, 60));
	}

	for (int i = this->log_list.size() - 1; i >= 0; i--) {

		this->life_list[i] -= 1;
		if (this->life_list[i] < 0) {

			this->log_list.erase(this->log_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);
			this->life_list.erase(this->life_list.begin() + i);

			continue;
		}

		auto deg = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.005, ofGetFrameNum() * 0.003)), 0, 1, -360, 360);
		auto theta = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.005, (ofGetFrameNum() + 10000) * 0.003)), 0, 1, -360, 360);
		this->log_list[i].push_back(this->log_list[i].back() + glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD), radius * cos(theta * DEG_TO_RAD)));
		while (this->log_list[i].size() > 150) {

			this->log_list[i].erase(this->log_list[i].begin());
		}
	}
}

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

	this->cam.begin();
	ofRotateX(270);
	ofRotateZ(ofGetFrameNum() * 0.666666666666);

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

		ofSetColor(this->color_list[i]);

		if (this->life_list[i] > 30) {

			ofSetLineWidth(1.5);
		}
		else {

			ofSetLineWidth(ofMap(this->life_list[i], 0, 30, 0, 1.5));
		}

		ofSetColor(this->color_list[i]);

		ofBeginShape();
		ofVertices(this->log_list[i]);
		ofEndShape();
	}

	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);

ofNoFill();

ofEnableDepthTest();

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

for (int x = -200; x <= 200; x += 1) {

this->base_location_list.push_back(glm::vec3(x, -200, -200));

this->base_location_list.push_back(glm::vec3(x, -200, 200));

this->base_location_list.push_back(glm::vec3(x, 200, -200));

this->base_location_list.push_back(glm::vec3(x, 200, 200));

}

for (int y = -200; y <= 200; y += 1) {

this->base_location_list.push_back(glm::vec3(-200, y, -200));

this->base_location_list.push_back(glm::vec3(-200, y, 200));

this->base_location_list.push_back(glm::vec3(200, y, -200));

this->base_location_list.push_back(glm::vec3(200, y, 200));

}

for (int z = -200; z <= 200; z += 1) {

this->base_location_list.push_back(glm::vec3(-200, -200, z));

this->base_location_list.push_back(glm::vec3(-200, 200, z));

this->base_location_list.push_back(glm::vec3(200, -200, z));

this->base_location_list.push_back(glm::vec3(200, 200, z));

}

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

void ofApp::update() {

int radius = 5;

ofColor color;

while (this->log_list.size() < 5500) {

int font_location_index = ofRandom(this->base_location_list.size());

vector<glm::vec3> log;

log.push_back(this->base_location_list[font_location_index]);

this->log_list.push_back(log);

if (this->base_location_list[font_location_index].x == 200 || this->base_location_list[font_location_index].x == -200) {

if (this->base_location_list[font_location_index].y == 200 || this->base_location_list[font_location_index].y == -200) {

color.setHsb(ofMap(this->base_location_list[font_location_index].z, -200, 200, 0, 255), ofRandom(100, 255), ofRandom(100, 255));

}

else {

color.setHsb(ofMap(this->base_location_list[font_location_index].y, -200, 200, 0, 255), ofRandom(100, 255), ofRandom(100, 255));

}

else if (this->base_location_list[font_location_index].y == 200 || this->base_location_list[font_location_index].y == -200) {

color.setHsb(ofMap(this->base_location_list[font_location_index].x, -200, 200, 0, 255), ofRandom(100, 255), ofRandom(100, 255));

}

this->color_list.push_back(color);

this->life_list.push_back(ofRandom(10, 60));

}

for (int i = this->log_list.size() - 1; i >= 0; i--) {

this->life_list[i] -= 1;

if (this->life_list[i] < 0) {

this->log_list.erase(this->log_list.begin() + i);

this->color_list.erase(this->color_list.begin() + i);

this->life_list.erase(this->life_list.begin() + i);

continue;

}

auto deg = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.005, ofGetFrameNum() * 0.003)), 0, 1, -360, 360);

auto theta = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.005, (ofGetFrameNum() + 10000) * 0.003)), 0, 1, -360, 360);

this->log_list[i].push_back(this->log_list[i].back() + glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD), radius * cos(theta * DEG_TO_RAD)));

while (this->log_list[i].size() > 150) {

this->log_list[i].erase(this->log_list[i].begin());

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

ofRotateZ(ofGetFrameNum() * 0.666666666666);

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

ofSetColor(this->color_list[i]);

if (this->life_list[i] > 30) {

ofSetLineWidth(1.5);

}

else {

ofSetLineWidth(ofMap(this->life_list[i], 0, 30, 0, 1.5));

}

ofSetColor(this->color_list[i]);

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230216

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

2025年2月
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