プログラミング de 落描き

2019年8月15日2019年8月15日

Sphere move on torus. openFrameworks

[ Video ]

[ About ]
トーラスの座標上を動く球体。中央からの距離によってサイズと濃さを変える。

Sphere move on torus. sphere size and color change by center location.

[ 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::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 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::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);
	ofSetColor(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);
}

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

	this->cam.begin();

	auto R = 300.f;
	auto r = 80.f;

	for (auto i = 0; i < 30; i++) {

		ofRotate(ofRandom(360));

		auto v_start = ofRandom(15, 360) + ofGetFrameNum();
		for (auto v = v_start - 15; v < v_start + 15; v += 0.5) {

			auto u = v * 8.f;
			ofSetColor(ofMap(abs(v - v_start), 0, 15, 39, 239));
			ofDrawSphere(this->make_point(R, r, u, v), ofMap(abs(v - v_start), 0, 15, 6, 1));
		}
	}

	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() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

auto R = 300.f;

auto r = 80.f;

for (auto i = 0; i < 30; i++) {

ofRotate(ofRandom(360));

auto v_start = ofRandom(15, 360) + ofGetFrameNum();

for (auto v = v_start - 15; v < v_start + 15; v += 0.5) {

auto u = v * 8.f;

ofSetColor(ofMap(abs(v - v_start), 0, 15, 39, 239));

ofDrawSphere(this->make_point(R, r, u, v), ofMap(abs(v - v_start), 0, 15, 6, 1));

}

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/Insta20190815

[ Sponsor Link ]

2019年8月14日

Circle wave. openFrameworks

[ Video ]

[ About ]
円波。

Circle wave.

[ 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);
	ofSetLineWidth(2);

}

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

}

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

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

	auto span = 15;
	for (auto radius = 50; radius < 340; radius += span) {

		auto small_radius = radius;
		auto big_radius = radius + span;

		auto noise_deg = ofMap(ofNoise(radius * 0.005 + ofGetFrameNum() * 0.01), 0, 1, 1, 500);
		if (noise_deg > 360) { noise_deg = 360; }
		vector<glm::vec2> in, out;
		for (auto deg = 0; deg < noise_deg; deg++) {

			in.push_back(glm::vec2(small_radius * cos(deg * DEG_TO_RAD), small_radius * sin(deg * DEG_TO_RAD)));
			out.push_back(glm::vec2(big_radius * cos(deg * DEG_TO_RAD), big_radius * sin(deg * DEG_TO_RAD)));
		}

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

		ofSetColor(39);
		ofFill();

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

		vector<glm::vec2> small_circle, big_circle;
		for (auto deg = 0; deg < 360; deg++) {

			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)));
		}

		ofSetColor(39);
		ofNoFill();

		ofBeginShape();
		ofVertices(small_circle);
		ofEndShape(true);

		ofBeginShape();
		ofVertices(big_circle);
		ofEndShape(true);

		ofSetColor(239);
		ofNoFill();

		ofBeginShape();
		ofVertices(in);
		ofVertices(out);
		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);

ofSetLineWidth(2);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

auto span = 15;

for (auto radius = 50; radius < 340; radius += span) {

auto small_radius = radius;

auto big_radius = radius + span;

auto noise_deg = ofMap(ofNoise(radius * 0.005 + ofGetFrameNum() * 0.01), 0, 1, 1, 500);

if (noise_deg > 360) { noise_deg = 360; }

vector<glm::vec2> in, out;

for (auto deg = 0; deg < noise_deg; deg++) {

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

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

}

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

ofSetColor(39);

ofFill();

ofBeginShape();

ofVertices(in);

ofVertices(out);

ofEndShape(true);

vector<glm::vec2> small_circle, big_circle;

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

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)));

}

ofSetColor(39);

ofNoFill();

ofBeginShape();

ofVertices(small_circle);

ofEndShape(true);

ofBeginShape();

ofVertices(big_circle);

ofEndShape(true);

ofSetColor(239);

ofNoFill();

ofBeginShape();

ofVertices(in);

ofVertices(out);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190814

[ Sponsor Link ]

2019年8月13日2019年8月13日

Square corner log. openFrameworks

[ Video ]

[ About ]
正方形の角のログ。

Square corner log.

[ 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;
};

#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;

};

#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();

	auto len = 150;
	auto log = 30;
	
	for (int i = 0; i < 3; i++) {

		ofSetColor(39);

		auto noise_seed_x = ofRandom(1000);
		auto noise_seed_y = ofRandom(1000);
		auto noise_seed_z = ofRandom(1000);

		auto base_noise_seed_x = ofRandom(1000);
		auto base_noise_seed_y = ofRandom(1000);
		auto base_noise_seed_z = ofRandom(1000);

		vector<glm::vec3> locations;
		for (int x = len * -0.5; x <= len * 0.5; x += len) {

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

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

					ofBeginShape();
					for (int i = 0; i < log; i++) {

						auto location = glm::vec3(x, y, z);
						auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_x, (ofGetFrameNum() + i) * 0.005), 0, 1, -PI, PI), glm::vec3(1, 0, 0));
						auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_y, (ofGetFrameNum() + i) * 0.005), 0, 1, -PI, PI), glm::vec3(0, 1, 0));
						auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_z, (ofGetFrameNum() + i) * 0.005), 0, 1, -PI, PI), glm::vec3(0, 0, 1));
						location = glm::vec4(location, 0) * rotation_z * rotation_y * rotation_x;

						auto base_location = glm::vec3(
							ofMap(ofNoise(base_noise_seed_x, (ofGetFrameNum() + i) * 0.005), 0, 1, -500, 500),
							ofMap(ofNoise(base_noise_seed_y, (ofGetFrameNum() + i) * 0.005), 0, 1, -500, 500),
							ofMap(ofNoise(base_noise_seed_z, (ofGetFrameNum() + i) * 0.005), 0, 1, -500, 500));

						ofVertex(location + base_location);

						if (i == log - 1) {

							ofFill();
							ofDrawSphere(location + base_location, 8);
							locations.push_back(location + base_location);
							ofNoFill();
						}
					}
					ofEndShape();
				}
			}
		}

		ofDrawLine(locations[0], locations[1]);
		ofDrawLine(locations[2], locations[3]);
		ofDrawLine(locations[4], locations[5]);
		ofDrawLine(locations[6], locations[7]);

		ofDrawLine(locations[0], locations[2]);
		ofDrawLine(locations[1], locations[3]);
		ofDrawLine(locations[4], locations[6]);
		ofDrawLine(locations[5], locations[7]);

		ofDrawLine(locations[0], locations[4]);
		ofDrawLine(locations[1], locations[5]);
		ofDrawLine(locations[2], locations[6]);
		ofDrawLine(locations[3], locations[7]);
	}

	this->cam.end();
}

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

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

100

#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();

auto len = 150;

auto log = 30;

for (int i = 0; i < 3; i++) {

ofSetColor(39);

auto noise_seed_x = ofRandom(1000);

auto noise_seed_y = ofRandom(1000);

auto noise_seed_z = ofRandom(1000);

auto base_noise_seed_x = ofRandom(1000);

auto base_noise_seed_y = ofRandom(1000);

auto base_noise_seed_z = ofRandom(1000);

vector<glm::vec3> locations;

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

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

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

ofBeginShape();

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

auto location = glm::vec3(x, y, z);

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_x, (ofGetFrameNum() + i) * 0.005), 0, 1, -PI, PI), glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_y, (ofGetFrameNum() + i) * 0.005), 0, 1, -PI, PI), glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_z, (ofGetFrameNum() + i) * 0.005), 0, 1, -PI, PI), glm::vec3(0, 0, 1));

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

auto base_location = glm::vec3(

ofMap(ofNoise(base_noise_seed_x, (ofGetFrameNum() + i) * 0.005), 0, 1, -500, 500),

ofMap(ofNoise(base_noise_seed_y, (ofGetFrameNum() + i) * 0.005), 0, 1, -500, 500),

ofMap(ofNoise(base_noise_seed_z, (ofGetFrameNum() + i) * 0.005), 0, 1, -500, 500));

ofVertex(location + base_location);

if (i == log - 1) {

ofFill();

ofDrawSphere(location + base_location, 8);

locations.push_back(location + base_location);

ofNoFill();

}

ofEndShape();

}

ofDrawLine(locations[0], locations[1]);

ofDrawLine(locations[2], locations[3]);

ofDrawLine(locations[4], locations[5]);

ofDrawLine(locations[6], locations[7]);

ofDrawLine(locations[0], locations[2]);

ofDrawLine(locations[1], locations[3]);

ofDrawLine(locations[4], locations[6]);

ofDrawLine(locations[5], locations[7]);

ofDrawLine(locations[0], locations[4]);

ofDrawLine(locations[1], locations[5]);

ofDrawLine(locations[2], locations[6]);

ofDrawLine(locations[3], locations[7]);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190813

[ Sponsor Link ]

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