openFrameworks – ページ 686 – プログラミング de 落描き

2019年9月28日

Hexadecimal cube. openFrameworks

[ Video ]

[ About ]
16進数キューブ。

Hexadecimal cube.

[ 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;
	int font_size;
	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;

int font_size;

ofTrueTypeFont font;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

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

	this->font_size = 40;
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);
}

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

}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.25);
	ofRotateX(180);

	vector<char> charactors = {
		'0', '1', '2', '3', '4',
		'5', '6', '7', '8', '9',
		'A', 'B', 'C', 'D', 'E', 'F' };

	for (int i = 0; i < 4; i += 1) {

		ofRotateY(90);
		for (int x = -120; x < 120; x += this->font_size) {

			for (int y = -120; y < 120; y += this->font_size) {

				auto location = glm::vec3(x, y, 120);
				float angle = PI * 0.5 * i;
				auto rotation = glm::rotate(glm::mat4(), angle, glm::vec3(0, 1, 0));
				auto noise_location = glm::vec4(location, 0) * rotation;

				int charactor_index = ofMap(ofNoise(noise_location.x * 0.001, noise_location.y * 0.001, noise_location.z * 0.001, ofGetFrameNum() * 0.005), 0, 1, 0, charactors.size());
				auto path = this->font.getCharacterAsPoints(charactors[charactor_index], true, false);
				auto outline = path.getOutline();

				ofPushMatrix();
				ofTranslate(location);

				ofFill();
				ofSetColor(139, 59, 239);
				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::vec2(this->font_size - vertices[vertices_index].x, vertices[vertices_index].y + this->font.stringHeight(string{ charactors[i] }) * 0.5);
						ofVertex(location);
					}
				}
				ofEndShape(true);

				ofNoFill();
				ofSetColor(39);
				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::vec2(this->font_size - vertices[vertices_index].x, vertices[vertices_index].y + this->font.stringHeight(string{ charactors[i] }) * 0.5);
						ofVertex(location);
					}
				}
				ofEndShape(true);

				ofPopMatrix();
			}
		}
	}

	this->cam.end();
}

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

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

100

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(2);

ofNoFill();

ofEnableDepthTest();

this->font_size = 40;

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

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.25);

ofRotateX(180);

vector<char> charactors = {

'0', '1', '2', '3', '4',

'5', '6', '7', '8', '9',

'A', 'B', 'C', 'D', 'E', 'F' };

for (int i = 0; i < 4; i += 1) {

ofRotateY(90);

for (int x = -120; x < 120; x += this->font_size) {

for (int y = -120; y < 120; y += this->font_size) {

auto location = glm::vec3(x, y, 120);

float angle = PI * 0.5 * i;

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

auto noise_location = glm::vec4(location, 0) * rotation;

int charactor_index = ofMap(ofNoise(noise_location.x * 0.001, noise_location.y * 0.001, noise_location.z * 0.001, ofGetFrameNum() * 0.005), 0, 1, 0, charactors.size());

auto path = this->font.getCharacterAsPoints(charactors[charactor_index], true, false);

auto outline = path.getOutline();

ofPushMatrix();

ofTranslate(location);

ofFill();

ofSetColor(139, 59, 239);

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::vec2(this->font_size - vertices[vertices_index].x, vertices[vertices_index].y + this->font.stringHeight(string{ charactors[i] }) * 0.5);

ofVertex(location);

}

ofEndShape(true);

ofNoFill();

ofSetColor(39);

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::vec2(this->font_size - vertices[vertices_index].x, vertices[vertices_index].y + this->font.stringHeight(string{ charactors[i] }) * 0.5);

ofVertex(location);

}

ofEndShape(true);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190928

2019年9月27日2019年9月27日

Missing cube. openFrameworks

[ Video ]

[ About ]
ノイズ関数で面の座標を元に値を生成して、表示・非表示をコントロール。

Missing cube.

[ 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(60);
	ofSetWindowTitle("openframeworks");

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

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

}

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

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

	auto size = 15;	
	for (int i = 0; i < 6; i += 1) {

		if (i < 4) {

			ofRotateY(90);
			for (int x = -150; x < 150; x += size) {

				for (int y = -150; y < 150; y += size) {

					auto location = glm::vec3(x, y, 150);
					float angle = PI * 0.5 * i;
					auto rotation = glm::rotate(glm::mat4(), angle, glm::vec3(0, 1, 0));
					auto noise_location = glm::vec4(location, 0) * rotation;

					auto noise_value = ofNoise(noise_location.x * 0.005, noise_location.y * 0.005, noise_location.z * 0.005, ofGetFrameNum() * 0.008);
					if (noise_value > 0.5) {

						ofFill();
						ofSetColor(239);
						ofDrawRectangle(location, size - 1, size - 1);

						ofNoFill();
						ofSetColor(39);
						ofDrawRectangle(location, size, size);
					}
				}
			}
		}
		else {

			ofRotateX(i == 4 ? 90 : 180);
			for (int x = -150; x < 150; x += size) {

				for (int y = -150; y < 150; y += size) {

					auto location = glm::vec3(x, y, 150);
					float angle = i == 4 ? PI * 0.5 : PI * 0.5 * 3;
					auto rotation = glm::rotate(glm::mat4(), angle, glm::vec3(1, 0, 0));
					auto noise_location = glm::vec4(location, 0) * rotation;

					auto noise_value = ofNoise(noise_location.x * 0.005, noise_location.y * 0.005, noise_location.z * 0.005, ofGetFrameNum() * 0.008);
					if (noise_value > 0.5) {

						ofFill();
						ofSetColor(239);
						ofDrawRectangle(location, size - 1, size - 1);

						ofNoFill();
						ofSetColor(39);
						ofDrawRectangle(location, size, size);
					}
				}
			}

		}
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

auto size = 15;

for (int i = 0; i < 6; i += 1) {

if (i < 4) {

ofRotateY(90);

for (int x = -150; x < 150; x += size) {

for (int y = -150; y < 150; y += size) {

auto location = glm::vec3(x, y, 150);

float angle = PI * 0.5 * i;

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

auto noise_location = glm::vec4(location, 0) * rotation;

auto noise_value = ofNoise(noise_location.x * 0.005, noise_location.y * 0.005, noise_location.z * 0.005, ofGetFrameNum() * 0.008);

if (noise_value > 0.5) {

ofFill();

ofSetColor(239);

ofDrawRectangle(location, size - 1, size - 1);

ofNoFill();

ofSetColor(39);

ofDrawRectangle(location, size, size);

}

else {

ofRotateX(i == 4 ? 90 : 180);

for (int x = -150; x < 150; x += size) {

for (int y = -150; y < 150; y += size) {

auto location = glm::vec3(x, y, 150);

float angle = i == 4 ? PI * 0.5 : PI * 0.5 * 3;

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

auto noise_location = glm::vec4(location, 0) * rotation;

auto noise_value = ofNoise(noise_location.x * 0.005, noise_location.y * 0.005, noise_location.z * 0.005, ofGetFrameNum() * 0.008);

if (noise_value > 0.5) {

ofFill();

ofSetColor(239);

ofDrawRectangle(location, size - 1, size - 1);

ofNoFill();

ofSetColor(39);

ofDrawRectangle(location, size, size);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190927

2019年9月26日2019年9月26日

Bind characters with a sphere. openFrameworks

[ Video ]

[ About ]
文字を球体上で縛りつける。

Bind characters with a sphere.

[ 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;
	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) {};

ofTrueTypeFont font;

ofEasyCam cam;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(3);
	ofEnableDepthTest();

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 300, true, true, true);
}

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

}

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

	this->cam.begin();
	ofRotate(180);
	ofRotateX(180);

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

		auto outline = path.getOutline();

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

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

			outline[outline_index] = outline[outline_index].getResampledByCount(300);
			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, 350);
				location = glm::normalize(location) * -350;

				auto angle_x = ofMap(ofNoise(location.x * 0.001, ofGetFrameNum() * 0.005), 0, 1, -PI * 0.25, PI * 0.25);
				auto angle_y = ofMap(ofNoise(location.y * 0.001, ofGetFrameNum() * 0.005), 0, 1, -PI * 0.25, PI * 0.25);
				auto angle_z = ofMap(ofNoise(location.z * 0.001, ofGetFrameNum() * 0.005), 0, 1, -PI * 0.25, PI * 0.25);

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

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

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(3);

ofEnableDepthTest();

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 300, true, true, true);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotate(180);

ofRotateX(180);

string word = "KIYOSHI";

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

for (auto path : path_list) {

auto outline = path.getOutline();

ofBeginShape();

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

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

outline[outline_index] = outline[outline_index].getResampledByCount(300);

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, 350);

location = glm::normalize(location) * -350;

auto angle_x = ofMap(ofNoise(location.x * 0.001, ofGetFrameNum() * 0.005), 0, 1, -PI * 0.25, PI * 0.25);

auto angle_y = ofMap(ofNoise(location.y * 0.001, ofGetFrameNum() * 0.005), 0, 1, -PI * 0.25, PI * 0.25);

auto angle_z = ofMap(ofNoise(location.z * 0.001, ofGetFrameNum() * 0.005), 0, 1, -PI * 0.25, PI * 0.25);

auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

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

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

ofVertex(location);

}

ofEndShape(true);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190926

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