プログラミング de 落描き – ページ 652 – 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7月21日

Point on torus. openFrameworks

[ Video ]

[ About ]
トーラス上の座標をノイズでズラして結ぶ。

Point on 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) {};

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

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

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(2);
	ofEnableDepthTest();
}

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

}

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

	this->cam.begin();

	vector<glm::vec3> line;
	for (int v = 0; v < 360; v += 5) {

		auto noise_location = glm::vec2(cos(v * DEG_TO_RAD), sin(v * DEG_TO_RAD));

		vector<glm::vec3> vertices;
		int u_start = ofMap(ofNoise(noise_location.x * 0.5, noise_location.y * 0.5, ofGetFrameNum() * 0.005), 0, 1, -360, 360);

		ofFill();
		ofSetColor(39);

		line.push_back(this->make_point(250, 65, u_start * DEG_TO_RAD, v * DEG_TO_RAD));
		ofDrawSphere(line.back(), 5);

		for (int u = u_start + 30; u <= u_start + 330; u += 10) {

			vertices.push_back(this->make_point(250, 65, u * DEG_TO_RAD, v * DEG_TO_RAD));
		}

		ofNoFill();
		ofSetColor(139);
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape();
	}

	ofSetColor(39);
	ofBeginShape();
	ofVertices(line);
	ofEndShape(true);

	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

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

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

vector<glm::vec3> line;

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

auto noise_location = glm::vec2(cos(v * DEG_TO_RAD), sin(v * DEG_TO_RAD));

vector<glm::vec3> vertices;

int u_start = ofMap(ofNoise(noise_location.x * 0.5, noise_location.y * 0.5, ofGetFrameNum() * 0.005), 0, 1, -360, 360);

ofFill();

ofSetColor(39);

line.push_back(this->make_point(250, 65, u_start * DEG_TO_RAD, v * DEG_TO_RAD));

ofDrawSphere(line.back(), 5);

for (int u = u_start + 30; u <= u_start + 330; u += 10) {

vertices.push_back(this->make_point(250, 65, u * DEG_TO_RAD, v * DEG_TO_RAD));

}

ofNoFill();

ofSetColor(139);

ofBeginShape();

ofVertices(vertices);

ofEndShape();

}

ofSetColor(39);

ofBeginShape();

ofVertices(line);

ofEndShape(true);

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

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

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

float 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/Insta20190721

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2019年7月20日

Two color circle. openFrameworks

[ Video ]

[ About ]
モノクロの円をノイズでズラす。

Two color 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 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) {};
};

#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) {};

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetColor(39);
}

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

}

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

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

	auto color_flag = true;
	for (auto radius = 150; radius < 720; radius += 20) {

		auto noise_deg = ofMap(ofNoise(radius * 0.1 + ofGetFrameNum() * 0.003), 0, 1, -360, 360);

		ofPushMatrix();
		ofRotate(noise_deg);

		auto small_radius = radius - 20;
		auto big_radius = radius + 20;
		vector<glm::vec2> small_circle;
		vector<glm::vec2> big_circle;
		for (auto deg = 0; deg < 360; deg += 1) {

			small_circle.push_back(glm::vec2(small_radius * cos(deg * DEG_TO_RAD), small_radius * sin(deg * DEG_TO_RAD)));
			big_circle.push_back(glm::vec2(big_radius * cos(deg * DEG_TO_RAD), big_radius * sin(deg * DEG_TO_RAD)));

			if (deg % 30 == 0) {

				auto in_radius = radius - 10;
				auto out_radius = radius + 10;
				vector<glm::vec2> in;
				vector<glm::vec2> out;
				for (auto tmp_deg = deg; tmp_deg <= deg + 30; tmp_deg += 1) {

					in.push_back(glm::vec2(in_radius * cos(tmp_deg * DEG_TO_RAD), in_radius * sin(tmp_deg * DEG_TO_RAD)));
					out.push_back(glm::vec2(out_radius * cos(tmp_deg * DEG_TO_RAD), out_radius * sin(tmp_deg * DEG_TO_RAD)));
				}

				reverse(out.begin(), out.end());

				ofFill();
				ofSetColor(color_flag ? 239 : 39);

				ofBeginShape();
				ofVertices(in);
				ofVertices(out);
				ofEndShape(true);

				ofNoFill();
				ofSetColor(color_flag ? 139 : 239);

				ofBeginShape();
				ofVertices(in);
				ofVertices(out);
				ofEndShape(true);

				color_flag = !color_flag;
			}
		}

		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);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

auto color_flag = true;

for (auto radius = 150; radius < 720; radius += 20) {

auto noise_deg = ofMap(ofNoise(radius * 0.1 + ofGetFrameNum() * 0.003), 0, 1, -360, 360);

ofPushMatrix();

ofRotate(noise_deg);

auto small_radius = radius - 20;

auto big_radius = radius + 20;

vector<glm::vec2> small_circle;

vector<glm::vec2> big_circle;

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

small_circle.push_back(glm::vec2(small_radius * cos(deg * DEG_TO_RAD), small_radius * sin(deg * DEG_TO_RAD)));

big_circle.push_back(glm::vec2(big_radius * cos(deg * DEG_TO_RAD), big_radius * sin(deg * DEG_TO_RAD)));

if (deg % 30 == 0) {

auto in_radius = radius - 10;

auto out_radius = radius + 10;

vector<glm::vec2> in;

vector<glm::vec2> out;

for (auto tmp_deg = deg; tmp_deg <= deg + 30; tmp_deg += 1) {

in.push_back(glm::vec2(in_radius * cos(tmp_deg * DEG_TO_RAD), in_radius * sin(tmp_deg * DEG_TO_RAD)));

out.push_back(glm::vec2(out_radius * cos(tmp_deg * DEG_TO_RAD), out_radius * sin(tmp_deg * DEG_TO_RAD)));

}

reverse(out.begin(), out.end());

ofFill();

ofSetColor(color_flag ? 239 : 39);

ofBeginShape();

ofVertices(in);

ofVertices(out);

ofEndShape(true);

ofNoFill();

ofSetColor(color_flag ? 139 : 239);

ofBeginShape();

ofVertices(in);

ofVertices(out);

ofEndShape(true);

color_flag = !color_flag;

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190720

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2019年7月19日2019年7月19日

Particles on cube. openFrameworks

[ Video ]

[ About ]
立方体を這い回るパーティクル。

Particles on cube.

[ 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);

	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 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);

ofEasyCam cam;

};

#include "ofApp.h"	

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

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

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

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.5);

	vector<glm::vec3> locations;

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

		auto z = ofRandom(-len * 0.5, len * 0.5);
		auto param = ofRandom(100) + ofGetFrameNum() * ofRandom(0.2, 0.5);

		auto point = this->make_point(len, param);
		auto location = ofRandom(1) < 0.5 ? glm::vec3(point.x, point.y, z) : glm::vec3(z, point.x, point.y);

		locations.push_back(location);
	}


	for (auto& location : locations) {

		ofDrawSphere(location, 5);
		for (auto& other : locations) {

			if (location == other) { continue; }
			float distance = glm::distance(location, other);
			if (distance < 50) {

				ofDrawLine(location, other);
			}
		}
	}

	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(239);

ofSetColor(39);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

vector<glm::vec3> locations;

int len = 500;

for (auto i = 0; i < 500; i++) {

auto z = ofRandom(-len * 0.5, len * 0.5);

auto param = ofRandom(100) + ofGetFrameNum() * ofRandom(0.2, 0.5);

auto point = this->make_point(len, param);

auto location = ofRandom(1) < 0.5 ? glm::vec3(point.x, point.y, z) : glm::vec3(z, point.x, point.y);

locations.push_back(location);

}

for (auto& location : locations) {

ofDrawSphere(location, 5);

for (auto& other : locations) {

if (location == other) { continue; }

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

if (distance < 50) {

ofDrawLine(location, other);

}

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/Insta20190719

[ほしいものリスト]
Amazon

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