プログラミング de 落描き – ページ 142 – クリエイティブ・コーディングによる生成物とソース

2024年7月21日

Wires.

[ Video ]

[ About ]
ワイヤーず。

[ About ]

#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(25);
	ofSetWindowTitle("openframeworks");

	ofBackground(39);
	ofNoFill();
	ofSetLineWidth(2);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	auto R = 300;
	auto r = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.025), 0, 1, -120, 120);

	ofColor color;
	for (int i = 0; i < 4; i++) {

		float v_start = ofGetFrameNum() * 6 + i * 90;

		color.setHsb(ofMap(i, 0, 18, 0, 255), 100, 200);

		for (float v = v_start; v < v_start + 60; v += 0.5) {

			auto u = v * 15 + i * 10;
			auto location = this->make_point(R, r, u, v);
			auto next_u = (v + 0.5) * 15 + i * 10;
			auto next = this->make_point(R, r, next_u, v + 0.5);

			ofSetColor(255, ofMap(v, v_start, v_start + 60, 0, 255));
			ofDrawLine(location, next);
		}
	}

	this->cam.end();

	/*
	int start = 180;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

//--------------------------------------------------------------
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(25);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofNoFill();

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

auto R = 300;

auto r = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.025), 0, 1, -120, 120);

ofColor color;

for (int i = 0; i < 4; i++) {

float v_start = ofGetFrameNum() * 6 + i * 90;

color.setHsb(ofMap(i, 0, 18, 0, 255), 100, 200);

for (float v = v_start; v < v_start + 60; v += 0.5) {

auto u = v * 15 + i * 10;

auto location = this->make_point(R, r, u, v);

auto next_u = (v + 0.5) * 15 + i * 10;

auto next = this->make_point(R, r, next_u, v + 0.5);

ofSetColor(255, ofMap(v, v_start, v_start + 60, 0, 255));

ofDrawLine(location, next);

}

this->cam.end();

int start = 180;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

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());

}

[ Source ]
https://github.com/junkiyoshi/Insta20240721

2024年7月20日2024年7月20日

Tornade.

[ Video ]

[ About ]
トルネード。

[ 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(25);
	ofSetWindowTitle("openframeworks");

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

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

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

	this->cam.begin();

	for (int i = 0; i < 10; i++) {

		float v_start = ofGetFrameNum() * 3 + i * 10;

		ofSetColor(ofMap(i, 0, 10, 239, 0));

		ofBeginShape();
		for (float v = v_start; v < v_start + 60; v += 0.5) {

			auto u = v * 15 + i * 10;
			auto location = this->make_point(300, 80, u, v);

			ofVertex(location);
		}
		ofEndShape();
	}

	for (int i = 0; i < 10; i++) {

		float v_start = 180 + ofGetFrameNum() * 3 + i * 10;

		ofSetColor(ofMap(i, 0, 10, 239, 0));

		ofBeginShape();
		for (float v = v_start; v < v_start + 60; v += 0.5) {

			auto u = v * 15 + i * 10;
			auto location = this->make_point(300, 80, u, v);

			ofVertex(location);
		}
		ofEndShape();
	}

	this->cam.end();

	/*
	int start = 528;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

//--------------------------------------------------------------
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(25);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofNoFill();

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

for (int i = 0; i < 10; i++) {

float v_start = ofGetFrameNum() * 3 + i * 10;

ofSetColor(ofMap(i, 0, 10, 239, 0));

ofBeginShape();

for (float v = v_start; v < v_start + 60; v += 0.5) {

auto u = v * 15 + i * 10;

auto location = this->make_point(300, 80, u, v);

ofVertex(location);

}

ofEndShape();

}

for (int i = 0; i < 10; i++) {

float v_start = 180 + ofGetFrameNum() * 3 + i * 10;

ofSetColor(ofMap(i, 0, 10, 239, 0));

ofBeginShape();

for (float v = v_start; v < v_start + 60; v += 0.5) {

auto u = v * 15 + i * 10;

auto location = this->make_point(300, 80, u, v);

ofVertex(location);

}

ofEndShape();

}

this->cam.end();

int start = 528;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

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/Insta20240720

2024年7月19日2024年7月18日

Rotating.

[ Video ]

[ About ]
回転。

[ 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) {};
};

#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) {};

};

#include "ofApp.h"	

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(39);
	ofSetCircleResolution(60);
	ofEnableDepthTest();
}

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

}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	ofSeedRandom(39);

	auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
	auto base_deg = ofRandom(360);
	for (int radius = 160; radius <= 300; radius += 10) {

		ofPushMatrix();

		ofRotateZ(ofMap(ofNoise(noise_seed.z + radius * 0.002 + ofGetFrameNum() * 0.005), 0, 1, -200, 200));
		ofRotateY(ofMap(ofNoise(noise_seed.y + radius * 0.002 + ofGetFrameNum() * 0.005), 0, 1, -200, 200));
		ofRotateX(ofMap(ofNoise(noise_seed.x + radius * 0.002 + ofGetFrameNum() * 0.005), 0, 1, -200, 200));

		ofNoFill();
		ofSetColor(239);
		ofDrawCircle(glm::vec3(), radius);

		auto speed = 6;
		auto deg = base_deg + ofMap(radius, 160, 300, 0, 180);

		ofFill();
		ofSetColor(255, 0, 0);
		ofDrawSphere(
			glm::vec3(radius * cos((deg + ofGetFrameNum() * speed) * DEG_TO_RAD), radius * sin((deg + ofGetFrameNum() * speed) * DEG_TO_RAD), 0), 8);

		ofPopMatrix();
	}

	/*
	int start = 50;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetCircleResolution(60);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofSeedRandom(39);

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

auto base_deg = ofRandom(360);

for (int radius = 160; radius <= 300; radius += 10) {

ofPushMatrix();

ofRotateZ(ofMap(ofNoise(noise_seed.z + radius * 0.002 + ofGetFrameNum() * 0.005), 0, 1, -200, 200));

ofRotateY(ofMap(ofNoise(noise_seed.y + radius * 0.002 + ofGetFrameNum() * 0.005), 0, 1, -200, 200));

ofRotateX(ofMap(ofNoise(noise_seed.x + radius * 0.002 + ofGetFrameNum() * 0.005), 0, 1, -200, 200));

ofNoFill();

ofSetColor(239);

ofDrawCircle(glm::vec3(), radius);

auto speed = 6;

auto deg = base_deg + ofMap(radius, 160, 300, 0, 180);

ofFill();

ofSetColor(255, 0, 0);

ofDrawSphere(

glm::vec3(radius * cos((deg + ofGetFrameNum() * speed) * DEG_TO_RAD), radius * sin((deg + ofGetFrameNum() * speed) * DEG_TO_RAD), 0), 8);

ofPopMatrix();

}

int start = 50;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240719

2025年9月
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