プログラミング de 落描き – ページ 686 – 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12日2019年7月12日

Circle or Noise. openFrameworks

[ Video ]

[ About ]
円だったりノイズだったり

Circle or Noise.

[ 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() {

	ofSeedRandom(39);
}

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

	auto radius = 10;
	auto span = 60;
	auto margin = 60;
	for (int x = margin; x <= ofGetWidth() - margin; x += span) {

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

			auto location = glm::vec2(x, y);
			auto location_noise_value = ofNoise(location.x * 0.005, location.y * 0.005, ofGetFrameNum() * 0.008);
		
			vector<glm::vec2> vertices;
			if (location_noise_value > 0.55) {

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

					auto noise_location = location + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
					auto noise_radius = ofMap(ofNoise(noise_location.x * 0.45, noise_location.y * 0.45, ofGetFrameNum() * 0.005), 0, 1, radius, radius * 3);
					auto tmp_radius = radius + noise_radius * ofMap(location_noise_value, 0.55, 1, 0, 1);

					vertices.push_back(glm::vec2(tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD)));
				}
			}
			else {

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

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

			ofPushMatrix();
			ofTranslate(location);

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

			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() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

auto radius = 10;

auto span = 60;

auto margin = 60;

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

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

auto location = glm::vec2(x, y);

auto location_noise_value = ofNoise(location.x * 0.005, location.y * 0.005, ofGetFrameNum() * 0.008);

vector<glm::vec2> vertices;

if (location_noise_value > 0.55) {

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

auto noise_location = location + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

auto noise_radius = ofMap(ofNoise(noise_location.x * 0.45, noise_location.y * 0.45, ofGetFrameNum() * 0.005), 0, 1, radius, radius * 3);

auto tmp_radius = radius + noise_radius * ofMap(location_noise_value, 0.55, 1, 0, 1);

vertices.push_back(glm::vec2(tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD)));

}

else {

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

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

}

ofPushMatrix();

ofTranslate(location);

ofBeginShape();

ofVertices(vertices);

ofEndShape();

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190712

2019年7月11日2019年7月11日

Rotating torus. openframeworks

[ Video ]

[ About ]
分割したトーラスを回転。

Split torus is rotating.

[ 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);
	ofSetLineWidth(2);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	auto r = 100;
	auto R = 300;
	auto v_span = 20;
	auto u_span = 20;
	for (auto v = 0; v < 360; v += v_span) {

		auto u_start = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -180, 180);
		for (auto u = u_start; u < u_start + 360; u += u_span) {

			v % 40 == 0 ? ofSetColor(239) : ofSetColor(39);
			ofFill();

			ofBeginShape();
			ofVertex(this->make_point(R, r, u - v_span * 0.5 - 0.2, v - u_span * 0.3 - 0.1));
			ofVertex(this->make_point(R, r, u + v_span * 0.5 - 0.2, v - u_span * 0.3 - 0.1));
			ofVertex(this->make_point(R, r, u + v_span * 0.5 - 0.2, v + u_span * 0.3 - 0.1));
			ofVertex(this->make_point(R, r, u - v_span * 0.5 - 0.2, v + u_span * 0.3 - 0.1));
			ofEndShape(true);

			v % 40 == 0 ? ofSetColor(39) : ofSetColor(239);
			ofNoFill();

			ofBeginShape();
			ofVertex(this->make_point(R, r, u - v_span * 0.5 + 0.2, v - u_span * 0.3 + 0.1));
			ofVertex(this->make_point(R, r, u + v_span * 0.5 + 0.2, v - u_span * 0.3 + 0.1));
			ofVertex(this->make_point(R, r, u + v_span * 0.5 + 0.2, v + u_span * 0.3 + 0.1));
			ofVertex(this->make_point(R, r, u - v_span * 0.5 + 0.2, v + u_span * 0.3 + 0.1));
			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

	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(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

auto r = 100;

auto R = 300;

auto v_span = 20;

auto u_span = 20;

for (auto v = 0; v < 360; v += v_span) {

auto u_start = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -180, 180);

for (auto u = u_start; u < u_start + 360; u += u_span) {

v % 40 == 0 ? ofSetColor(239) : ofSetColor(39);

ofFill();

ofBeginShape();

ofVertex(this->make_point(R, r, u - v_span * 0.5 - 0.2, v - u_span * 0.3 - 0.1));

ofVertex(this->make_point(R, r, u + v_span * 0.5 - 0.2, v - u_span * 0.3 - 0.1));

ofVertex(this->make_point(R, r, u + v_span * 0.5 - 0.2, v + u_span * 0.3 - 0.1));

ofVertex(this->make_point(R, r, u - v_span * 0.5 - 0.2, v + u_span * 0.3 - 0.1));

ofEndShape(true);

v % 40 == 0 ? ofSetColor(39) : ofSetColor(239);

ofNoFill();

ofBeginShape();

ofVertex(this->make_point(R, r, u - v_span * 0.5 + 0.2, v - u_span * 0.3 + 0.1));

ofVertex(this->make_point(R, r, u + v_span * 0.5 + 0.2, v - u_span * 0.3 + 0.1));

ofVertex(this->make_point(R, r, u + v_span * 0.5 + 0.2, v + u_span * 0.3 + 0.1));

ofVertex(this->make_point(R, r, u - v_span * 0.5 + 0.2, v + u_span * 0.3 + 0.1));

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

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/Insta20190711

2019年7月10日

Incomplete sphere. openFrameworks

[ Video ]

[ About ]
不完全な球体。

Incomplete sphere.

[ 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) {};

	vector<ofMeshFace> triangles;
	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) {};

vector<ofMeshFace> triangles;

ofEasyCam cam;

};

#include "ofApp.h"	

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

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

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

	auto ico_sphere = ofIcoSpherePrimitive(150, 3);
	this->triangles = ico_sphere.getMesh().getUniqueFaces();
}

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

	ofSeedRandom(39);
}

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

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

	for (auto& triangle : this->triangles) {

		auto avg = glm::vec3(triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;
		auto param = (int)(ofRandom(750) + ofGetFrameNum()) % 500;
		auto alpha = 0;
		if (param > 350) {

			alpha = ofMap(param, 350, 500, 0, 255);
		}
		else if (param < 150) {

			alpha = ofMap(param, 0, 150, 255, 0);
		}

		ofPushMatrix();
		ofTranslate(avg);
	
		vector<glm::vec3> vertices;
		for (int j = 0; j < 3; j++) {

			glm::vec3 location = glm::vec3(triangle.getVertex(j).x, triangle.getVertex(j).y, triangle.getVertex(j).z) - avg;

			vertices.push_back(location);
		}

		if (alpha > 0) {

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

			ofNoFill();
			ofSetColor(239, alpha);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);
		}

		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);

ofSetLineWidth(2);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(150, 3);

this->triangles = ico_sphere.getMesh().getUniqueFaces();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

for (auto& triangle : this->triangles) {

auto avg = glm::vec3(triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;

auto param = (int)(ofRandom(750) + ofGetFrameNum()) % 500;

auto alpha = 0;

if (param > 350) {

alpha = ofMap(param, 350, 500, 0, 255);

}

else if (param < 150) {

alpha = ofMap(param, 0, 150, 255, 0);

}

ofPushMatrix();

ofTranslate(avg);

vector<glm::vec3> vertices;

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

glm::vec3 location = glm::vec3(triangle.getVertex(j).x, triangle.getVertex(j).y, triangle.getVertex(j).z) - avg;

vertices.push_back(location);

}

if (alpha > 0) {

ofFill();

ofSetColor(39, alpha);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(239, alpha);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190710

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