openFrameworks – ページ 798 – プログラミング de 落描き

2019年1月23日2019年1月23日

Variable circles. openFrameworks

[ Video ]

[ About ]
角度ごとに太さが変化する円

Circle thickness changes with each angle.

[ 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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
}

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

}

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

	int radius_base = 45;
	int radius_span = 4;
	int deg_span = 24;
	int span = 144;
	for (int x = span * 0.5; x < ofGetWidth(); x += span) {

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

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

				glm::vec2 noise_point = glm::vec2(
					x + radius_span * cos((deg + deg_span * 0.5) * DEG_TO_RAD),
					y + radius_span * sin((deg + deg_span * 0.5) * DEG_TO_RAD));
				int noise_value = ofMap(ofNoise(noise_point.x * 0.01 + ofGetFrameNum() * 0.015, noise_point.y * 0.01 + ofGetFrameNum() * 0.015), 0, 1, -5, 5);

				int radius_start = noise_value > 0 ? radius_base : radius_base + noise_value * radius_span;
				int radius_end = noise_value > 0 ? radius_base + noise_value * radius_span : radius_base;

				for (int radius = radius_start; radius <= radius_end; radius += radius_span) {

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

						vertices.push_back(glm::vec2(x + (radius + radius_span * 0.5) * cos(tmp_deg * DEG_TO_RAD), y + (radius + radius_span * 0.5) * sin(tmp_deg * DEG_TO_RAD)));
					}
					for (int tmp_deg = deg + deg_span; tmp_deg >= deg; tmp_deg--) {

						vertices.push_back(glm::vec2(x + (radius - radius_span * 0.5) * cos(tmp_deg * DEG_TO_RAD), y + (radius - radius_span * 0.5) * sin(tmp_deg * DEG_TO_RAD)));
					}

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

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int radius_base = 45;

int radius_span = 4;

int deg_span = 24;

int span = 144;

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

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

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

glm::vec2 noise_point = glm::vec2(

x + radius_span * cos((deg + deg_span * 0.5) * DEG_TO_RAD),

y + radius_span * sin((deg + deg_span * 0.5) * DEG_TO_RAD));

int noise_value = ofMap(ofNoise(noise_point.x * 0.01 + ofGetFrameNum() * 0.015, noise_point.y * 0.01 + ofGetFrameNum() * 0.015), 0, 1, -5, 5);

int radius_start = noise_value > 0 ? radius_base : radius_base + noise_value * radius_span;

int radius_end = noise_value > 0 ? radius_base + noise_value * radius_span : radius_base;

for (int radius = radius_start; radius <= radius_end; radius += radius_span) {

vector<glm::vec2> vertices;

for (int tmp_deg = deg; tmp_deg <= deg + deg_span; tmp_deg++) {

vertices.push_back(glm::vec2(x + (radius + radius_span * 0.5) * cos(tmp_deg * DEG_TO_RAD), y + (radius + radius_span * 0.5) * sin(tmp_deg * DEG_TO_RAD)));

}

for (int tmp_deg = deg + deg_span; tmp_deg >= deg; tmp_deg--) {

vertices.push_back(glm::vec2(x + (radius - radius_span * 0.5) * cos(tmp_deg * DEG_TO_RAD), y + (radius - radius_span * 0.5) * sin(tmp_deg * DEG_TO_RAD)));

}

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190123

2019年1月21日2019年1月21日

Circle on circumference. openFrameworks

[ Video ]

[ About ]
円周上の円

Circle on circumference.

[ 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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

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

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

	ofSeedRandom(39);
}

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

	int coordinate_span = 144;
	int radius = 40;
	float span = (2 * PI * radius) / 360;
	for (int x = coordinate_span * 0.5; x < ofGetWidth(); x += coordinate_span) {

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

			int small_circle_deg_size = ofMap(ofNoise(ofRandom(360), ofGetFrameNum() * 0.008), 0, 1, 10, 120);
			int small_radius = span * small_circle_deg_size * 0.35;
			int small_deg = ofMap(ofNoise(ofRandom(360), ofGetFrameNum() * 0.003), 0, 1, 0, 720);
			int deg_start = small_deg + small_circle_deg_size * 0.5;
			int deg_end = deg_start + 360 - small_circle_deg_size;
			vector<glm::vec2> vertices;
			for (int deg = deg_start; deg <= deg_end; deg++) {

				vertices.push_back(glm::vec2(x, y) + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
			}

			ofBeginShape();
			ofVertices(vertices);
			ofEndShape();

			ofDrawCircle(glm::vec2(x, y) + glm::vec2(radius * cos(small_deg * DEG_TO_RAD), radius * sin(small_deg * DEG_TO_RAD)), small_radius);
		}
	}
}
//--------------------------------------------------------------
int main() {

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofNoFill();

ofSetLineWidth(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

int coordinate_span = 144;

int radius = 40;

float span = (2 * PI * radius) / 360;

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

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

int small_circle_deg_size = ofMap(ofNoise(ofRandom(360), ofGetFrameNum() * 0.008), 0, 1, 10, 120);

int small_radius = span * small_circle_deg_size * 0.35;

int small_deg = ofMap(ofNoise(ofRandom(360), ofGetFrameNum() * 0.003), 0, 1, 0, 720);

int deg_start = small_deg + small_circle_deg_size * 0.5;

int deg_end = deg_start + 360 - small_circle_deg_size;

vector<glm::vec2> vertices;

for (int deg = deg_start; deg <= deg_end; deg++) {

vertices.push_back(glm::vec2(x, y) + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

}

ofBeginShape();

ofVertices(vertices);

ofEndShape();

ofDrawCircle(glm::vec2(x, y) + glm::vec2(radius * cos(small_deg * DEG_TO_RAD), radius * sin(small_deg * DEG_TO_RAD)), small_radius);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190121

2019年1月20日

Crawling bands on the square. openFrameworks

[ Video ]

[ About ]
正方形を這い回る帯

Crawling bands on the 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 windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

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

	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) {};

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

ofEasyCam cam;

};

#include "ofApp.h"

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

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

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

	ofNoFill();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	int len = 500;
	for (int i = 0; i < 2; i++) {

		for (int z = -len * 0.5; z <= len * 0.5; z += 30) {

			int param_start = ofGetFrameNum() + (z + len * 0.5) * 0.1;
			vector<glm::vec3> vertices;
			vector<glm::vec3> sub_vertices;
			for (int param = param_start; param <= param_start + 30; param++) {

				vertices.push_back(glm::vec3(this->make_point(len, param), z - 15));
				sub_vertices.push_back(glm::vec3(this->make_point(len, param), z + 15));
			}

			for (int i = sub_vertices.size() - 1; i > -1; i--) {

				vertices.push_back(sub_vertices[i]);
			}

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

		ofRotateX(90);
	}

	this->cam.end();
}

//--------------------------------------------------------------
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(39);

ofSetColor(239);

ofSetLineWidth(3);

ofEnableDepthTest();

ofNoFill();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

int len = 500;

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

for (int z = -len * 0.5; z <= len * 0.5; z += 30) {

int param_start = ofGetFrameNum() + (z + len * 0.5) * 0.1;

vector<glm::vec3> vertices;

vector<glm::vec3> sub_vertices;

for (int param = param_start; param <= param_start + 30; param++) {

vertices.push_back(glm::vec3(this->make_point(len, param), z - 15));

sub_vertices.push_back(glm::vec3(this->make_point(len, param), z + 15));

}

for (int i = sub_vertices.size() - 1; i > -1; i--) {

vertices.push_back(sub_vertices[i]);

}

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

ofRotateX(90);

}

this->cam.end();

}

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

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/Insta20190120

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