2019年2月 – プログラミング de 落描き

2019年2月28日2019年2月28日

Shape and character from noise value. openFrameworks

[ Video ]

[ About ]
ノイズ値を形状と文字へ変換

Shape and character from noise value.

[ 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(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetColor(39);
	ofSetCircleResolution(60);
	ofSetLineWidth(2);

	this->font.loadFont("fonts/msgothic.ttc", 40, true, true, true);
}

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

}

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

	int radius = 250;
	for (int deg = 0; deg < 360; deg += 8) {

		auto point = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		
		ofPushMatrix();
		ofTranslate(point);
		ofRotate(deg - 270);

		string word = string{ (char)ofMap(ofNoise(point.x * 0.001, point.y * 0.001, ofGetFrameNum() * 0.005), 0, 1, 65, 91) };
		this->font.drawString(word, 0, 0);

		ofPopMatrix();
	}

	ofFill();
	ofBeginShape();
	for (int deg = 0; deg < 360; deg += 1) {

		auto point = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		auto radius = ofMap(ofNoise(point.x * 0.001, point.y * 0.001, ofGetFrameNum() * 0.005), 0, 1, 50, 150);

		ofVertex(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
	}
	ofEndShape(true);

	ofNoFill();
	ofDrawCircle(glm::vec2(), radius - 10);
	ofDrawCircle(glm::vec2(), radius + 50);
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofSetCircleResolution(60);

ofSetLineWidth(2);

this->font.loadFont("fonts/msgothic.ttc", 40, true, true, true);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

int radius = 250;

for (int deg = 0; deg < 360; deg += 8) {

auto point = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

ofPushMatrix();

ofTranslate(point);

ofRotate(deg - 270);

string word = string{ (char)ofMap(ofNoise(point.x * 0.001, point.y * 0.001, ofGetFrameNum() * 0.005), 0, 1, 65, 91) };

this->font.drawString(word, 0, 0);

ofPopMatrix();

}

ofFill();

ofBeginShape();

for (int deg = 0; deg < 360; deg += 1) {

auto point = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

auto radius = ofMap(ofNoise(point.x * 0.001, point.y * 0.001, ofGetFrameNum() * 0.005), 0, 1, 50, 150);

ofVertex(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

}

ofEndShape(true);

ofNoFill();

ofDrawCircle(glm::vec2(), radius - 10);

ofDrawCircle(glm::vec2(), radius + 50);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190228

2019年2月27日2019年2月27日

Triangle on equilateral triangle. openFrameworks

[ Video ]

[ About ]
正三角形上の任意の点を結んで出来る歪な三角形

Triangle on equilateral triangle.

[ 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::vec2 make_point(int radius, int deg);
};

#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::vec2 make_point(int radius, int deg);

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(2);
}

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

}

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5 + 100);
	ofRotate(270);

	for (int radius = 50; radius <= 400; radius += 20) {

		int deg_start = ofMap(ofNoise(radius * 0.5 + ofGetFrameNum() * 0.0025), 0, 1, 0, 720);
		for (int deg = deg_start; deg < deg_start + 360; deg += 120) {

			vector<glm::vec2> vertices;
			for (int tmp_deg = deg; tmp_deg <= deg + 80; tmp_deg += 1) {

				vertices.push_back(glm::vec2(this->make_point(radius, tmp_deg)));
			}

			ofFill();
			ofSetColor(39);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);

			ofNoFill();
			ofSetColor(239);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);
		}
	}
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int radius, int deg) {

	deg = deg % 360;

	int deg_a = (deg / 120) * 120;
	int deg_b = deg_a + 120;

	int remainder = deg % 120;
	int diff = deg - deg_a;

	auto point_a = glm::vec2(radius * cos(deg_a * DEG_TO_RAD), radius * sin(deg_a * DEG_TO_RAD));
	auto point_b = glm::vec2(radius * cos(deg_b * DEG_TO_RAD), radius * sin(deg_b * DEG_TO_RAD));
	auto distance = point_b - point_a;

	return point_a + (distance / 120) * diff;
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5 + 100);

ofRotate(270);

for (int radius = 50; radius <= 400; radius += 20) {

int deg_start = ofMap(ofNoise(radius * 0.5 + ofGetFrameNum() * 0.0025), 0, 1, 0, 720);

for (int deg = deg_start; deg < deg_start + 360; deg += 120) {

vector<glm::vec2> vertices;

for (int tmp_deg = deg; tmp_deg <= deg + 80; tmp_deg += 1) {

vertices.push_back(glm::vec2(this->make_point(radius, tmp_deg)));

}

ofFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

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

glm::vec2 ofApp::make_point(int radius, int deg) {

deg = deg % 360;

int deg_a = (deg / 120) * 120;

int deg_b = deg_a + 120;

int remainder = deg % 120;

int diff = deg - deg_a;

auto point_a = glm::vec2(radius * cos(deg_a * DEG_TO_RAD), radius * sin(deg_a * DEG_TO_RAD));

auto point_b = glm::vec2(radius * cos(deg_b * DEG_TO_RAD), radius * sin(deg_b * DEG_TO_RAD));

auto distance = point_b - point_a;

return point_a + (distance / 120) * diff;

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190227

2019年2月26日2019年2月26日

Noisy rectangles. openFrameworks

[ Video ]

[ About ]
四角形の辺の長さをノイズで変化

Noisy rectangles.

[ 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::vec2 make_point(int len, int param);
};

#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::vec2 make_point(int len, int param);

};

#include "ofApp.h"

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

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

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

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

}

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

	int span = 144;
	bool flag = true;
	for (int y = span * 0.5; y < ofGetHeight(); y += span) {

		for (int x = span * 0.5; x < ofGetWidth(); x += span) {

			vector<glm::vec2> vertices;
			int len_base = 100;
			for (int param = 0; param < 100; param++) {

				auto location = glm::vec2(x, y) + this->make_point(len_base, param);
				auto noise_value = ofNoise(location.x * 0.003, location.y * 0.003, ofGetFrameNum() * 0.01);
				int noise_len = len_base;
				if (noise_value > 0.7) { noise_len = ofMap(noise_value, 0.7, 1, len_base, len_base + 44); }
				if (noise_value < 0.3) { noise_len = ofMap(noise_value, 0, 0.3, len_base - 44, len_base); }
				noise_len = (noise_len / 20) * 20;

				vertices.push_back(glm::vec2(x, y) + this->make_point(noise_len, param));
			}

			flag ? ofFill() : ofNoFill();
			flag = !flag;

			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);
		}
	}
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

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

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int span = 144;

bool flag = true;

for (int y = span * 0.5; y < ofGetHeight(); y += span) {

for (int x = span * 0.5; x < ofGetWidth(); x += span) {

vector<glm::vec2> vertices;

int len_base = 100;

for (int param = 0; param < 100; param++) {

auto location = glm::vec2(x, y) + this->make_point(len_base, param);

auto noise_value = ofNoise(location.x * 0.003, location.y * 0.003, ofGetFrameNum() * 0.01);

int noise_len = len_base;

if (noise_value > 0.7) { noise_len = ofMap(noise_value, 0.7, 1, len_base, len_base + 44); }

if (noise_value < 0.3) { noise_len = ofMap(noise_value, 0, 0.3, len_base - 44, len_base); }

noise_len = (noise_len / 20) * 20;

vertices.push_back(glm::vec2(x, y) + this->make_point(noise_len, param));

}

flag ? ofFill() : ofNoFill();

flag = !flag;

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190226

2019年2月
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