プログラミング de 落描き – ページ 748 – 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9月9日2019年9月9日

3 color torus. openFrameworks

[ Video ]

[ About ]
3色トーラス。

3 color torus.

[ 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;

	glm::vec3 make_point(float R, float r, float u, float v);
};

#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;

glm::vec3 make_point(float R, float r, float u, float v);

};

#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();

	int v_start_start = ofGetFrameNum();
	for (int v_start = v_start_start; v_start < v_start_start + 360; v_start += 20) {

		vector<glm::vec3> vertices_1, vertices_2, vertices_3;
		for (int v = v_start; v < v_start + 15; v++) {

			int u = v * 6;

			vertices_1.push_back(this->make_point(300, 80, u, v));
			vertices_2.push_back(this->make_point(300, 80, u + 120, v));
			vertices_3.push_back(this->make_point(300, 80, u + 240, v));
		}

		ofNoFill();

		ofSetColor(255, 0, 0);
		ofBeginShape();
		ofVertices(vertices_1);
		ofEndShape();

		ofSetColor(0, 255, 0);
		ofBeginShape();
		ofVertices(vertices_2);
		ofEndShape();

		ofSetColor(0, 0, 255);
		ofBeginShape();
		ofVertices(vertices_3);
		ofEndShape();

		ofFill();

		ofSetColor(255, 0, 0);
		ofDrawSphere(vertices_1.back(), 8);
		ofSetColor(0, 255, 0);
		ofDrawSphere(vertices_2.back(), 8);
		ofSetColor(0, 0, 255);
		ofDrawSphere(vertices_3.back(), 8);
	}

	this->cam.end();
}

//--------------------------------------------------------------
glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

	// 数学デッサン教室 描いて楽しむ数学たち　P.31

	u *= DEG_TO_RAD;
	v *= DEG_TO_RAD;

	auto x = (R + r * cos(u)) * cos(v);
	auto y = (R + r * cos(u)) * sin(v);
	auto z = r * sin(u);

	return glm::vec3(x, y, z);
}


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

int v_start_start = ofGetFrameNum();

for (int v_start = v_start_start; v_start < v_start_start + 360; v_start += 20) {

vector<glm::vec3> vertices_1, vertices_2, vertices_3;

for (int v = v_start; v < v_start + 15; v++) {

int u = v * 6;

vertices_1.push_back(this->make_point(300, 80, u, v));

vertices_2.push_back(this->make_point(300, 80, u + 120, v));

vertices_3.push_back(this->make_point(300, 80, u + 240, v));

}

ofNoFill();

ofSetColor(255, 0, 0);

ofBeginShape();

ofVertices(vertices_1);

ofEndShape();

ofSetColor(0, 255, 0);

ofBeginShape();

ofVertices(vertices_2);

ofEndShape();

ofSetColor(0, 0, 255);

ofBeginShape();

ofVertices(vertices_3);

ofEndShape();

ofFill();

ofSetColor(255, 0, 0);

ofDrawSphere(vertices_1.back(), 8);

ofSetColor(0, 255, 0);

ofDrawSphere(vertices_2.back(), 8);

ofSetColor(0, 0, 255);

ofDrawSphere(vertices_3.back(), 8);

}

this->cam.end();

}

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

glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

// 数学デッサン教室描いて楽しむ数学たち　P.31

u *= DEG_TO_RAD;

v *= DEG_TO_RAD;

auto x = (R + r * cos(u)) * cos(v);

auto y = (R + r * cos(u)) * sin(v);

auto z = r * sin(u);

return glm::vec3(x, y, z);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190909

2019年9月8日

Coloring devided square. openFrameworks

[ Video ]

[ About ]
正方形を分割して色付け。

Coloring devided 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);
	ofSetLineWidth(3);
}

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

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

				auto noise_value = ofNoise(x, y, param * 0.08, ofGetFrameNum() * 0.01);

				if (noise_value < 0.65) {

					right.push_back(this->make_point(len, param) + glm::vec2(x, y));
					left.push_back(this->make_point(len, 100 - param) + glm::vec2(x, y));
				}
				else {

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

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

//--------------------------------------------------------------
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>& param_1, vector<glm::vec2>& param_2) {

	if (param_1.size() > 0 && param_2.size() > 0) {

		std::reverse(param_2.begin(), param_2.end());

		ofColor color;
		color.setHsb(((int)(param_1[0].x + param_1[0].y + 255) % 255), 180, 255);

		ofFill();
		ofSetColor(color, 200);
		
		ofBeginShape();
		ofVertices(param_1);
		ofVertices(param_2);
		ofEndShape(true);

		ofNoFill();
		ofSetColor(39);
		ofBeginShape();
		ofVertices(param_1);
		ofVertices(param_2);
		ofEndShape(true);

		param_1.clear();
		param_2.clear();
	}
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(3);

}

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

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) {

vector<glm::vec2> right, left;

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

auto noise_value = ofNoise(x, y, param * 0.08, ofGetFrameNum() * 0.01);

if (noise_value < 0.65) {

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

left.push_back(this->make_point(len, 100 - param) + glm::vec2(x, y));

}

else {

this->draw_shape(right, left);

}

this->draw_shape(right, left);

}

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

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>& param_1, vector<glm::vec2>& param_2) {

if (param_1.size() > 0 && param_2.size() > 0) {

std::reverse(param_2.begin(), param_2.end());

ofColor color;

color.setHsb(((int)(param_1[0].x + param_1[0].y + 255) % 255), 180, 255);

ofFill();

ofSetColor(color, 200);

ofBeginShape();

ofVertices(param_1);

ofVertices(param_2);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(param_1);

ofVertices(param_2);

ofEndShape(true);

param_1.clear();

param_2.clear();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190908

2019年9月7日

Twisted torus. openFrameworks

[ Video ]

[ About ]
ねじれトーラス。

Twisted torus.

[ 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;

	glm::vec3 make_point(float R, float r, float u, float v);
};

#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;

glm::vec3 make_point(float R, float r, float u, float v);

};

#include "ofApp.h"	

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

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

	ofBackground(39);
	ofSetLineWidth(3);
	ofEnableDepthTest();
}

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

}

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

	this->cam.begin();

	int u = ofGetFrameNum();
	for (int v = 0; v < 360; v += 3) {

		vector<glm::vec3> vertices;

		vertices.push_back(this->make_point(300, 80, u, v - 1));
		vertices.push_back(this->make_point(300, 80, u, v + 1));
		vertices.push_back(this->make_point(300, 80, u + 180, v + 1));
		vertices.push_back(this->make_point(300, 80, u + 180, v - 1));

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

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

		u += 3;
	}

	this->cam.end();
}

//--------------------------------------------------------------
glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

	// 数学デッサン教室 描いて楽しむ数学たち　P.31

	u *= DEG_TO_RAD;
	v *= DEG_TO_RAD;

	auto x = (R + r * cos(u)) * cos(v);
	auto y = (R + r * cos(u)) * sin(v);
	auto z = r * sin(u);

	return glm::vec3(x, y, z);
}


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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetLineWidth(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

int u = ofGetFrameNum();

for (int v = 0; v < 360; v += 3) {

vector<glm::vec3> vertices;

vertices.push_back(this->make_point(300, 80, u, v - 1));

vertices.push_back(this->make_point(300, 80, u, v + 1));

vertices.push_back(this->make_point(300, 80, u + 180, v + 1));

vertices.push_back(this->make_point(300, 80, u + 180, v - 1));

ofFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

u += 3;

}

this->cam.end();

}

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

glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

// 数学デッサン教室描いて楽しむ数学たち　P.31

u *= DEG_TO_RAD;

v *= DEG_TO_RAD;

auto x = (R + r * cos(u)) * cos(v);

auto y = (R + r * cos(u)) * sin(v);

auto z = r * sin(u);

return glm::vec3(x, y, z);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/openframeworks20190907

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