プログラミング de 落描き – ページ 711 – 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5日2019年9月5日

Connecting angles. openFrameworks

[ Video ]

[ About ]
大きな円と小さな円を角度同士で結んで、小さな円は回転させる。

Connecting big circle angle and small circle angle, and rotate small 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) {};

	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);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	int radius = 90;
	int deg_span = 10;
	int span = 220;
	bool rotate = false;
	for (int x = -span; x <= span; x += span) {

		for (int y = -span; y <= span; y += span) {

			ofPushMatrix();
			ofTranslate(x, y);
			if (rotate) { ofRotateX(90); }
			rotate = !rotate;

			auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
			for (int deg = 0; deg < 360; deg += deg_span) {

				auto outer_location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);
				ofDrawSphere(outer_location, 2);

				auto inner_location = glm::vec3(radius * 0.5 * cos(deg * DEG_TO_RAD), radius * 0.5 * sin(deg * DEG_TO_RAD), 0);
				auto angle_x = ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.003), 0, 1, -PI, PI);
				auto angle_y = ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.003), 0, 1, -PI, PI);
				auto angle_z = ofMap(ofNoise(noise_seed.z, ofGetFrameNum() * 0.003), 0, 1, -PI, PI);
				auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));
				auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));
				auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));
				inner_location = glm::vec4(inner_location, 0) * rotation_z * rotation_y * rotation_x;

				ofDrawSphere(inner_location, 2);
				ofDrawLine(outer_location, inner_location);
			}

			ofPopMatrix();
		}
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

int radius = 90;

int deg_span = 10;

int span = 220;

bool rotate = false;

for (int x = -span; x <= span; x += span) {

for (int y = -span; y <= span; y += span) {

ofPushMatrix();

ofTranslate(x, y);

if (rotate) { ofRotateX(90); }

rotate = !rotate;

auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

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

auto outer_location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);

ofDrawSphere(outer_location, 2);

auto inner_location = glm::vec3(radius * 0.5 * cos(deg * DEG_TO_RAD), radius * 0.5 * sin(deg * DEG_TO_RAD), 0);

auto angle_x = ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.003), 0, 1, -PI, PI);

auto angle_y = ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.003), 0, 1, -PI, PI);

auto angle_z = ofMap(ofNoise(noise_seed.z, ofGetFrameNum() * 0.003), 0, 1, -PI, PI);

auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

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

ofDrawSphere(inner_location, 2);

ofDrawLine(outer_location, inner_location);

}

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190905

2019年9月4日2019年9月4日

Mosaic. openFrameworks

[ Video ]

[ About ]
モザイクログ.

Mosaic.

[ 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) {};

	int size;
	vector<glm::vec2> location_list;
	vector<float> noise_seed_list;
	vector<float> noise_step_list;
	vector<int> param_list;
};

#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) {};

int size;

vector<glm::vec2> location_list;

vector<float> noise_seed_list;

vector<float> noise_step_list;

vector<int> param_list;

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetLineWidth(3);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

	this->size = 10;
	for (auto x = size * 0.5; x < ofGetWidth() + size * 0.5; x += size) {

		for (auto y = size * 0.5; y < ofGetHeight() + size * 0.5; y += size) {

			this->location_list.push_back(glm::vec2(x, y));
			this->noise_seed_list.push_back(ofRandom(1000));
			this->noise_step_list.push_back(ofRandom(1000));
			this->param_list.push_back(0);
		}
	}
	
}

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

	glm::vec2 noise_location = glm::vec2(ofMap(ofNoise(11, ofGetFrameNum() * 0.005), 0, 1, 0, ofGetWidth()), ofMap(ofNoise(3, ofGetFrameNum() * 0.005), 0, 1, 0, ofGetHeight()));

	int index = 0;
	for (auto& location : location_list) {

		if (glm::distance(location, noise_location) < 80) {

			this->param_list[index] += this->param_list[index] < 100 ? 5 : 0;
		}
		else {

			this->param_list[index] -= this->param_list[index] > 0 ? 1 : 0;
		}

		this->noise_step_list[index] += this->param_list[index] > 0 ? ofMap(this->param_list[index], 0, 100, 0.01, 0.05) : 0;

		index++;
	}
}

//--------------------------------------------------------------
void ofApp::draw() {
	
	ofColor color;
	int index = 0;
	for (auto& location : location_list) {

		color.setHsb(ofMap(ofNoise(this->noise_seed_list[index], this->noise_step_list[index]), 0, 1, 0, 255), 180, 255);

		ofSetColor(color, ofMap(this->param_list[index], 0, 100, 0, 255));
		ofDrawRectangle(location, this->size, this->size);

		index++;
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(3);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

this->size = 10;

for (auto x = size * 0.5; x < ofGetWidth() + size * 0.5; x += size) {

for (auto y = size * 0.5; y < ofGetHeight() + size * 0.5; y += size) {

this->location_list.push_back(glm::vec2(x, y));

this->noise_seed_list.push_back(ofRandom(1000));

this->noise_step_list.push_back(ofRandom(1000));

this->param_list.push_back(0);

}

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

void ofApp::update() {

glm::vec2 noise_location = glm::vec2(ofMap(ofNoise(11, ofGetFrameNum() * 0.005), 0, 1, 0, ofGetWidth()), ofMap(ofNoise(3, ofGetFrameNum() * 0.005), 0, 1, 0, ofGetHeight()));

int index = 0;

for (auto& location : location_list) {

if (glm::distance(location, noise_location) < 80) {

this->param_list[index] += this->param_list[index] < 100 ? 5 : 0;

}

else {

this->param_list[index] -= this->param_list[index] > 0 ? 1 : 0;

}

this->noise_step_list[index] += this->param_list[index] > 0 ? ofMap(this->param_list[index], 0, 100, 0.01, 0.05) : 0;

index++;

}

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

void ofApp::draw() {

ofColor color;

int index = 0;

for (auto& location : location_list) {

color.setHsb(ofMap(ofNoise(this->noise_seed_list[index], this->noise_step_list[index]), 0, 1, 0, 255), 180, 255);

ofSetColor(color, ofMap(this->param_list[index], 0, 100, 0, 255));

ofDrawRectangle(location, this->size, this->size);

index++;

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190904

2019年9月3日2019年9月3日

Torus board. openFrameworks

[ Video ]

[ About ]
トーラス座標を結んで遊ぶ。

Torus board.

[ 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);
	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(239);
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

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

		u += 30;
	}

	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);

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(239);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

u += 30;

}

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/Insta20190903

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