プログラミング de 落描き – ページ 697 – クリエイティブ・コーディングによる生成物とソース

2019年3月4日

Star. openFrameworks

[ Video ]

[ About ]
3角形を組み合わせて星型

Star made by 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() {

	ofSeedRandom(39);
}

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

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

	for (int radius = 50; radius < 350; radius += 50) {

		int deg_start = ofGetFrameNum() + radius;
		for (int i = 0; i < 2; i++) {

			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);
			}

			ofRotate(180);
		}
	}
}

//--------------------------------------------------------------
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() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

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

ofRotate(270);

for (int radius = 50; radius < 350; radius += 50) {

int deg_start = ofGetFrameNum() + radius;

for (int i = 0; i < 2; i++) {

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);

}

ofRotate(180);

}

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

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/Insta20190304

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2019年3月3日

Dot on circle. openFrameworks

[ Video ]

[ About ]
近づくと線が発生するパーティクルを円に整列

Dot on circle.

[ 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) {};

	vector<glm::vec2> locations;
};

#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) {};

vector<glm::vec2> locations;

};

#include "ofApp.h"

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

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

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

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

	ofSeedRandom(39);
	this->locations.clear();

	vector<glm::vec2> centers;
	for (int i = 0; i < 10; i++) {

		centers.push_back(glm::vec2(
			ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.005), 0, 1, 0, ofGetWidth()),
			ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.005), 0, 1, 0, ofGetHeight())
		));
	}
	
	int radius = 80;
	for (auto& center : centers) {

		for (int deg = 0; deg < 360; deg += 30) {

			this->locations.push_back(center + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
		}
	}
}

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

	for (auto& location : this->locations) {

		ofDrawCircle(location, 5);
		for (auto& other : this->locations) {

			float distance = glm::distance(location, other);
			if (distance < 78) {

				ofDrawLine(location, other);
			}
		}
	}
}

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->locations.clear();

vector<glm::vec2> centers;

for (int i = 0; i < 10; i++) {

centers.push_back(glm::vec2(

ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.005), 0, 1, 0, ofGetWidth()),

ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.005), 0, 1, 0, ofGetHeight())

));

}

int radius = 80;

for (auto& center : centers) {

for (int deg = 0; deg < 360; deg += 30) {

this->locations.push_back(center + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

}

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

void ofApp::draw() {

for (auto& location : this->locations) {

ofDrawCircle(location, 5);

for (auto& other : this->locations) {

float distance = glm::distance(location, other);

if (distance < 78) {

ofDrawLine(location, other);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190303

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Amazon

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2019年3月2日

Dot and circle. openFrameworks

[ Video ]

[ About ]
ドットと円

Dot and circle.

[ 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) {};

	vector<glm::vec2> locations;
};

#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) {};

vector<glm::vec2> locations;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(1.5);
}

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

	ofSeedRandom(39);
	this->locations.clear();

	for (int i = 0; i < 1024; i++) {

		this->locations.push_back(glm::vec2(ofRandom(ofGetWidth()), ofRandom(ofGetHeight())));
	}
	
	auto point = glm::vec2(
		ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.005), 0, 1, 0, ofGetWidth()),
		ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.005), 0, 1, 0, ofGetHeight())
	);

	for (auto& location : this->locations) {

		float distance = glm::distance(location, point);
		if (distance < 100) {

			location = point + glm::normalize(location - point) * 100;
		}
	}

}

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

	for (auto& location : this->locations) {

		ofDrawCircle(location, 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(1.5);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->locations.clear();

for (int i = 0; i < 1024; i++) {

this->locations.push_back(glm::vec2(ofRandom(ofGetWidth()), ofRandom(ofGetHeight())));

}

auto point = glm::vec2(

ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.005), 0, 1, 0, ofGetWidth()),

ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.005), 0, 1, 0, ofGetHeight())

);

for (auto& location : this->locations) {

float distance = glm::distance(location, point);

if (distance < 100) {

location = point + glm::normalize(location - point) * 100;

}

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

void ofApp::draw() {

for (auto& location : this->locations) {

ofDrawCircle(location, 5);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190302

[ほしいものリスト]
Amazon

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