noise – ページ 322 – プログラミング de 落描き

2019年4月29日2019年4月28日

Plot three-demensional Perlin noise in the alphabet. openFrameworks

[ Video ]

[ About ]
3次元のパーリンノイズをアルファベットでプロット

Plot three-dimensional perlin noise in the alphabet.

[ 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(239);
	ofSetColor(39);

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 28, true, true, true);
}

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

}

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

	this->cam.begin();

	int radius = 300;
	for (int y = -300; y <= 300; y += 50) {

		for (int deg = 0; deg < 360; deg += 5) {

			auto location = glm::vec3(0, y, -radius);
			auto rotation_y = glm::rotate(glm::mat4(), (float)(deg * DEG_TO_RAD), glm::vec3(0, 1, 0));
			location = glm::vec4(location, 0) * rotation_y;

			ofPushMatrix();
			ofTranslate(location);
			ofRotateY(180 - deg);

			ofSetColor(39, ofMap(location.z, -radius, radius, 0, 255));

			char noise_value = ofMap(ofNoise(location.x * 0.008, location.y * 0.008, location.z * 0.008, ofGetFrameNum() * 0.003), 0, 1, 'A', 'Z');
			this->font.drawString({ noise_value }, 0, 0);

			ofPopMatrix();
		}
	}

	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);

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 28, true, true, true);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

int radius = 300;

for (int y = -300; y <= 300; y += 50) {

for (int deg = 0; deg < 360; deg += 5) {

auto location = glm::vec3(0, y, -radius);

auto rotation_y = glm::rotate(glm::mat4(), (float)(deg * DEG_TO_RAD), glm::vec3(0, 1, 0));

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

ofPushMatrix();

ofTranslate(location);

ofRotateY(180 - deg);

ofSetColor(39, ofMap(location.z, -radius, radius, 0, 255));

char noise_value = ofMap(ofNoise(location.x * 0.008, location.y * 0.008, location.z * 0.008, ofGetFrameNum() * 0.003), 0, 1, 'A', 'Z');

this->font.drawString({ noise_value }, 0, 0);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190429

2019年4月28日

Divided squares. openFrameworks

[ Video ]

[ About ]
正方形を分割

Divided square.

[ 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::vec2 make_point(int len, int param);
	void draw_shape(vector<glm::vec2>& param1, vector<glm::vec2>& param2);
};

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

void draw_shape(vector<glm::vec2>& param1, vector<glm::vec2>& param2);

};

#include "ofApp.h"	

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

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

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

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

}

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

	int span = 180;
	int len = 150;
	for (int x = span * 0.5; x < ofGetWidth(); x += span) {

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

			ofPushMatrix();
			ofTranslate(x, y);

			vector<glm::vec2> right, left;
			for (auto param = 0; param <= 50; param++) {

				auto noise_value = ofNoise(x, y, param * 0.08, ofGetFrameNum() * 0.02);

				if (noise_value < 0.65) {

					right.push_back(this->make_point(len, param));
					left.push_back(this->make_point(len, 100 - param));
				}
				else {

					this->draw_shape(right, left);
				}
			}

			this->draw_shape(right, left);

			ofPopMatrix();
		}
	}
}

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

//--------------------------------------------------------------
void ofApp::draw_shape(vector<glm::vec2>& param1 , vector<glm::vec2>& param2) {

	if (param1.size() > 0 && param2.size() > 0) {

		std::reverse(param2.begin(), param2.end());

		ofBeginShape();
		ofVertices(param1);
		ofVertices(param2);
		ofEndShape(true);

		param1.clear();
		param2.clear();
	}
}

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

ofNoFill();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int span = 180;

int len = 150;

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

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

ofPushMatrix();

ofTranslate(x, y);

vector<glm::vec2> right, left;

for (auto param = 0; param <= 50; param++) {

auto noise_value = ofNoise(x, y, param * 0.08, ofGetFrameNum() * 0.02);

if (noise_value < 0.65) {

right.push_back(this->make_point(len, param));

left.push_back(this->make_point(len, 100 - param));

}

else {

this->draw_shape(right, left);

}

this->draw_shape(right, left);

ofPopMatrix();

}

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

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));

}

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

void ofApp::draw_shape(vector<glm::vec2>& param1 , vector<glm::vec2>& param2) {

if (param1.size() > 0 && param2.size() > 0) {

std::reverse(param2.begin(), param2.end());

ofBeginShape();

ofVertices(param1);

ofVertices(param2);

ofEndShape(true);

param1.clear();

param2.clear();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190428

2019年4月26日2019年4月26日

Divide rectangle. openFrameworks

[ Video ]

[ About ]
「数学から創るジェネラティブアート」のサンプルDivRectを引用。時間経過でパラメータが変化

Divide rectangle.

[ Source ]
※ ランダムでの色付け処理がゴチャっとしてたので除いてあります。必要な方おりましたら連絡下さい。

#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) {};

	void draw_div_rect(glm::vec2 draw_location, int a, int b);
};

#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) {};

void draw_div_rect(glm::vec2 draw_location, int a, int b);

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(3);
	ofNoFill();
}

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

	ofSeedRandom(39);
}

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

	int span = 180;
	for (int x = span * 0.5; x < ofGetWidth(); x += span) {

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

			int a = ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.005), 0, 1, 2, 12);
			int b = ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.005), 0, 1, 2, 12);
			this->draw_div_rect(glm::vec2(x, y), a, b);
		}
	}
}

//--------------------------------------------------------------
void ofApp::draw_div_rect(glm::vec2 draw_location, int a, int b) {

	// 数学から創るジェネラティブアート P.51

	auto scale = 13;
	auto width = a * scale;
	auto height = b * scale;
	auto length = height;
	auto location = glm::vec2();
	auto count = 0;

	ofPushMatrix();
	ofTranslate(draw_location.x - width * 0.5, draw_location.y - height * 0.5);

	while (length > 0) {

		if (count++ % 2 == 0) {

			while (location.x + length <= width) {

				ofDrawRectangle(location, length, length);
				location.x += length;
			}
			length = width - location.x;
		}
		else {

			while (location.y + length <= height) {

				ofDrawRectangle(location, length, length);
				location.y += length;
			}
			length = height - location.y;
		}
	}

	ofPopMatrix();
}

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

ofNoFill();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

int span = 180;

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

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

int a = ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.005), 0, 1, 2, 12);

int b = ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.005), 0, 1, 2, 12);

this->draw_div_rect(glm::vec2(x, y), a, b);

}

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

void ofApp::draw_div_rect(glm::vec2 draw_location, int a, int b) {

// 数学から創るジェネラティブアート P.51

auto scale = 13;

auto width = a * scale;

auto height = b * scale;

auto length = height;

auto location = glm::vec2();

auto count = 0;

ofPushMatrix();

ofTranslate(draw_location.x - width * 0.5, draw_location.y - height * 0.5);

while (length > 0) {

if (count++ % 2 == 0) {

while (location.x + length <= width) {

ofDrawRectangle(location, length, length);

location.x += length;

}

length = width - location.x;

}

else {

while (location.y + length <= height) {

ofDrawRectangle(location, length, length);

location.y += length;

}

length = height - location.y;

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190426

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