junkiyoshi – プログラミング de 落描き

2022年5月24日

Packing in font. Draw by openFrameworks

[ Video ]

[ About ]
文字の中にボックスを敷き詰める。

Lay the box inside the letter.

[ 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<tuple<glm::vec3, float>> box_list; // Location, size
	int number_of_box;
};

#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<tuple<glm::vec3, float>> box_list; // Location, size

int number_of_box;

};

#include "ofApp.h"

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

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

	ofBackground(255);
	ofSetLineWidth(1);
	ofEnableDepthTest();

	ofTrueTypeFont font;
	font.loadFont("fonts/Kazesawa-Regular.ttf", 200, true, true, true);

	ofFbo fbo;
	fbo.allocate(ofGetWidth(), ofGetHeight());
	fbo.begin();
	ofClear(0);
	ofSetColor(0);

	string word = "PAC";
	font.drawString(word, ofGetWidth() * 0.5 - font.stringWidth(word) * 0.5, ofGetHeight() * 0.5 + font.stringHeight(word) * 0.5);

	fbo.end();
	ofPixels pixels;
	fbo.readToPixels(pixels);

	this->number_of_box = 1800;
	while (this->box_list.size() < this->number_of_box) {

		auto radius = this->box_list.size() < 110 ? ofRandom(5, 20) : ofRandom(2, 20);
		int x = ofRandom(0, 720);
		int y = ofRandom(0, 720);
		int z = ofRandom(-50, 50);

		ofColor color = pixels.getColor(x, y);
		if (color == ofColor(0, 0)) {

			continue;
		}

		auto tmp_location = glm::vec3(x - ofGetWindowWidth() * 0.5, y - ofGetWindowHeight() * 0.5, z);

		bool flag = true;
		for (int i = 0; i < this->box_list.size(); i++) {

			if (glm::distance(tmp_location, get<0>(this->box_list[i])) < get<1>(this->box_list[i]) + radius) {

				flag = false;
				break;
			}
		}

		if (flag) {

			auto size = (radius * 2) / sqrt(3);
			this->box_list.push_back(make_tuple(tmp_location, size));
		}
	}
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(180);
	ofRotateY(sin(ofGetFrameNum() * 0.02) * 360);

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

		auto location = get<0>(this->box_list[i]);
		auto size = get<1>(this->box_list[i]);

		ofPushMatrix();
		ofTranslate(location);

		ofRotateZ(ofRandom(360) + ofGetFrameNum() * ofRandom(1, 3));
		ofRotateY(ofRandom(360) + ofGetFrameNum() * ofRandom(1, 3));
		ofRotateX(ofRandom(360) + ofGetFrameNum() * ofRandom(1, 3));

		ofFill();
		ofSetColor(ofRandom(100, 255), ofRandom(100, 255), ofRandom(100, 255));
		ofDrawBox(size);

		ofNoFill();
		ofSetColor(255);
		ofDrawBox(size);

		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(30);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

ofSetLineWidth(1);

ofEnableDepthTest();

ofTrueTypeFont font;

font.loadFont("fonts/Kazesawa-Regular.ttf", 200, true, true, true);

ofFbo fbo;

fbo.allocate(ofGetWidth(), ofGetHeight());

fbo.begin();

ofClear(0);

ofSetColor(0);

string word = "PAC";

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

fbo.end();

ofPixels pixels;

fbo.readToPixels(pixels);

this->number_of_box = 1800;

while (this->box_list.size() < this->number_of_box) {

auto radius = this->box_list.size() < 110 ? ofRandom(5, 20) : ofRandom(2, 20);

int x = ofRandom(0, 720);

int y = ofRandom(0, 720);

int z = ofRandom(-50, 50);

ofColor color = pixels.getColor(x, y);

if (color == ofColor(0, 0)) {

continue;

}

auto tmp_location = glm::vec3(x - ofGetWindowWidth() * 0.5, y - ofGetWindowHeight() * 0.5, z);

bool flag = true;

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

if (glm::distance(tmp_location, get<0>(this->box_list[i])) < get<1>(this->box_list[i]) + radius) {

flag = false;

break;

}

if (flag) {

auto size = (radius * 2) / sqrt(3);

this->box_list.push_back(make_tuple(tmp_location, size));

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofRotateY(sin(ofGetFrameNum() * 0.02) * 360);

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

auto location = get<0>(this->box_list[i]);

auto size = get<1>(this->box_list[i]);

ofPushMatrix();

ofTranslate(location);

ofRotateZ(ofRandom(360) + ofGetFrameNum() * ofRandom(1, 3));

ofRotateY(ofRandom(360) + ofGetFrameNum() * ofRandom(1, 3));

ofRotateX(ofRandom(360) + ofGetFrameNum() * ofRandom(1, 3));

ofFill();

ofSetColor(ofRandom(100, 255), ofRandom(100, 255), ofRandom(100, 255));

ofDrawBox(size);

ofNoFill();

ofSetColor(255);

ofDrawBox(size);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220524

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2022年5月23日

Box packing in torus. Draw by openFrameworks

[ Video ]

[ About ]
トーラスの中にボックスを敷き詰める。

Lay the box inside the torus.

[ 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) {};

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

	ofEasyCam cam;

	vector<glm::vec3> base_location_list;

	vector<tuple<ofColor, glm::vec3, float>> sphere_list; // BodyColor, Location, size
	int number_of_sphere;
};

#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) {};

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

ofEasyCam cam;

vector<glm::vec3> base_location_list;

vector<tuple<ofColor, glm::vec3, float>> sphere_list; // BodyColor, Location, size

int number_of_sphere;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetLineWidth(0.5);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(1, 5);

	this->number_of_sphere = 2500;
	while (this->sphere_list.size() < this->number_of_sphere) {

		auto tmp_location = this->make_point(300, ofRandom(0, 60), ofRandom(360), ofRandom(360));
		auto radius = this->sphere_list.size() < 110 ? ofRandom(10, 50) : ofRandom(2, 20);

		bool flag = true;
		for (int i = 0; i < this->sphere_list.size(); i++) {

			if (glm::distance(tmp_location, get<1>(this->sphere_list[i])) < get<2>(this->sphere_list[i]) + radius) {

				flag = false;
				break;
			}
		}

		if (flag) {

			ofColor color;
			color.setHsb(ofRandom(255), 200, 255);

			auto size = (radius * 2) / sqrt(3);

			this->sphere_list.push_back(make_tuple(color, tmp_location, size));
		}
	}
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateZ(ofGetFrameNum() * 0.66666666666666666);

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

		auto location = get<1>(this->sphere_list[i]);
		auto size = get<2>(this->sphere_list[i]);

		ofPushMatrix();
		ofTranslate(location);

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

		ofFill();
		ofSetColor(0);
		ofDrawBox(size);

		ofNoFill();
		ofSetColor(255);
		ofDrawBox(size);

		ofPopMatrix();
	}

	this->cam.end();
}

//--------------------------------------------------------------
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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101

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetLineWidth(0.5);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(1, 5);

this->number_of_sphere = 2500;

while (this->sphere_list.size() < this->number_of_sphere) {

auto tmp_location = this->make_point(300, ofRandom(0, 60), ofRandom(360), ofRandom(360));

auto radius = this->sphere_list.size() < 110 ? ofRandom(10, 50) : ofRandom(2, 20);

bool flag = true;

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

if (glm::distance(tmp_location, get<1>(this->sphere_list[i])) < get<2>(this->sphere_list[i]) + radius) {

flag = false;

break;

}

if (flag) {

ofColor color;

color.setHsb(ofRandom(255), 200, 255);

auto size = (radius * 2) / sqrt(3);

this->sphere_list.push_back(make_tuple(color, tmp_location, size));

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateZ(ofGetFrameNum() * 0.66666666666666666);

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

auto location = get<1>(this->sphere_list[i]);

auto size = get<2>(this->sphere_list[i]);

ofPushMatrix();

ofTranslate(location);

ofRotateZ(ofRandom(360));

ofRotateY(ofRandom(360));

ofRotateX(ofRandom(360));

ofFill();

ofSetColor(0);

ofDrawBox(size);

ofNoFill();

ofSetColor(255);

ofDrawBox(size);

ofPopMatrix();

}

this->cam.end();

}

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

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/Insta20220523

[ほしいものリスト]
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2022年5月22日

Tornado hole. Draw by openFrameworks

[ video ]

[ About ]
ねじれる奥行き。

Twisting depth.

[ 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;
};

#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;

};

#include “ofApp.h”

//————————————————————–
void ofApp::setup() {

ofSetFrameRate(30);
ofSetWindowTitle(“openframeworks”);

ofBackground(0);

ofEnableDepthTest();
ofSetLineWidth(3);
}

//————————————————————–
void ofApp::update() {

}

//————————————————————–
void ofApp::draw() {

this->cam.begin();

int width = 350;
int height = 350;
int len = 15;
for (int z = -300; z <= 600; z += 10) { ofPushMatrix(); ofTranslate(0, 0, z); ofRotate(ofMap(ofNoise((z + 300) * 0.0015 + ofGetFrameNum() * 0.005), 0, 1, -360, 360)); ofFill(); ofSetColor(0); ofBeginShape(); ofVertex(glm::vec2(width * -0.5, height * -0.5)); ofVertex(glm::vec2(width * 0.5, height * -0.5)); ofVertex(glm::vec2(width * 0.5, height * 0.5)); ofVertex(glm::vec2(width * -0.5, height * 0.5)); ofNextContour(true); ofVertex(glm::vec2(width * -0.5 + len, height * -0.5 + len)); ofVertex(glm::vec2(width * 0.5 - len, height * -0.5 + len)); ofVertex(glm::vec2(width * 0.5 - len, height * 0.5 - len)); ofVertex(glm::vec2(width * -0.5 + len, height * 0.5 - len)); ofEndShape(true); ofNoFill(); ofSetColor(255, ofMap(z, -300, 600, 0, 255)); ofBeginShape(); ofVertex(glm::vec2(width * -0.5, height * -0.5)); ofVertex(glm::vec2(width * 0.5, height * -0.5)); ofVertex(glm::vec2(width * 0.5, height * 0.5)); ofVertex(glm::vec2(width * -0.5, height * 0.5)); ofNextContour(true); ofVertex(glm::vec2(width * -0.5 + len, height * -0.5 + len)); ofVertex(glm::vec2(width * 0.5 - len, height * -0.5 + len)); ofVertex(glm::vec2(width * 0.5 - len, height * 0.5 - len)); ofVertex(glm::vec2(width * -0.5 + len, height * 0.5 - len)); ofEndShape(true); ofPopMatrix(); } this->cam.end();
}

//————————————————————–
int main() {

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

[ Link ]
https://github.com/junkiyoshi/Insta20220522

[ほしいものリスト]
Amazon

[ Sponsor Link ]

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