プログラミング de 落描き – ページ 70 – 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12月11日

Springs.

[ Video ]

[ About ]
跳ねまわる。

[ 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;
};

#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;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofEnableDepthTest();
}
//--------------------------------------------------------------
void ofApp::update() {

}

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

	this->cam.begin();
	ofTranslate(0, 50, 0);
	ofRotateX(300);

	for (int deg = 0; deg < 360; deg += 15) {

		ofFill();
		ofPushMatrix();
		ofRotateZ(deg);
		ofDrawCircle(glm::vec3(0, 250, 0), 8);
		ofPopMatrix();

		for (int i = 0; i < 5; i++) {

			auto noise_value = ofNoise(cos(deg * DEG_TO_RAD) * 0.5, sin(deg * DEG_TO_RAD) * 0.5, ofGetFrameNum() * 0.02 + i * 0.025);

			auto z = 0;
			if (noise_value >= 0.6) {

				z = ofMap(noise_value, 0.6, 1.0, 0, 250);
			}
			else if (noise_value <= 0.4) {

				z = ofMap(noise_value, 0.0, 0.4, -250, 0);
			}

			ofPushMatrix();

			ofRotateZ(deg);

			ofNoFill();
			ofSetColor(239);
			ofDrawCircle(glm::vec3(0, 250, z), ofMap(i, 0, 5, 10, 25));

			ofPopMatrix();
		}
	}

	this->cam.end();

	/*
	int start = 250;
	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);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofTranslate(0, 50, 0);

ofRotateX(300);

for (int deg = 0; deg < 360; deg += 15) {

ofFill();

ofPushMatrix();

ofRotateZ(deg);

ofDrawCircle(glm::vec3(0, 250, 0), 8);

ofPopMatrix();

for (int i = 0; i < 5; i++) {

auto noise_value = ofNoise(cos(deg * DEG_TO_RAD) * 0.5, sin(deg * DEG_TO_RAD) * 0.5, ofGetFrameNum() * 0.02 + i * 0.025);

auto z = 0;

if (noise_value >= 0.6) {

z = ofMap(noise_value, 0.6, 1.0, 0, 250);

}

else if (noise_value <= 0.4) {

z = ofMap(noise_value, 0.0, 0.4, -250, 0);

}

ofPushMatrix();

ofRotateZ(deg);

ofNoFill();

ofSetColor(239);

ofDrawCircle(glm::vec3(0, 250, z), ofMap(i, 0, 5, 10, 25));

ofPopMatrix();

}

this->cam.end();

int start = 250;

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/Insta20241211

2024年12月10日

Square in circle.

[ Video ]

[ About ]
正方形の円陣。

[ 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;
};

#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;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofNoFill();
	ofSetLineWidth(1.5);
	
	ofEnableDepthTest();
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
}
//--------------------------------------------------------------
void ofApp::update() {

}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 1.44);

	for (int deg = 0; deg < 180; deg += 15) {
		
		for (int i = 0; i < 5; i++) {

			auto noise_value = ofNoise(cos(deg * DEG_TO_RAD) * 0.5, sin(deg * DEG_TO_RAD) * 0.5, ofGetFrameNum() * 0.005 + i * 0.003);
	
			auto rotate = 0;
			if ((noise_value >= 0.4 && noise_value <= 0.6)) {

				rotate = ofMap(noise_value, 0.4, 0.6, 0, 360);
			}

			ofPushMatrix();

			ofRotateZ(deg);

			ofFill();
			ofDrawRectangle(glm::vec2(0, 250), 8, 8);
			ofDrawRectangle(glm::vec2(0, -250), 8, 8);

			ofRotateX(rotate);

			ofNoFill();
			ofSetColor(ofMap(i, 0, 10, 39, 39));
			ofDrawRectangle(glm::vec2(0, 250), ofMap(i, 0, 5, 10, 50), ofMap(i, 0, 5, 10, 50));
			ofDrawRectangle(glm::vec2(0, -250), ofMap(i, 0, 5, 10, 50), ofMap(i, 0, 5, 10, 50));

			ofPopMatrix();
		}
	}

	this->cam.end();

	/*
	int start = 250;
	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(239);

ofNoFill();

ofSetLineWidth(1.5);

ofEnableDepthTest();

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.44);

for (int deg = 0; deg < 180; deg += 15) {

for (int i = 0; i < 5; i++) {

auto noise_value = ofNoise(cos(deg * DEG_TO_RAD) * 0.5, sin(deg * DEG_TO_RAD) * 0.5, ofGetFrameNum() * 0.005 + i * 0.003);

auto rotate = 0;

if ((noise_value >= 0.4 && noise_value <= 0.6)) {

rotate = ofMap(noise_value, 0.4, 0.6, 0, 360);

}

ofPushMatrix();

ofRotateZ(deg);

ofFill();

ofDrawRectangle(glm::vec2(0, 250), 8, 8);

ofDrawRectangle(glm::vec2(0, -250), 8, 8);

ofRotateX(rotate);

ofNoFill();

ofSetColor(ofMap(i, 0, 10, 39, 39));

ofDrawRectangle(glm::vec2(0, 250), ofMap(i, 0, 5, 10, 50), ofMap(i, 0, 5, 10, 50));

ofDrawRectangle(glm::vec2(0, -250), ofMap(i, 0, 5, 10, 50), ofMap(i, 0, 5, 10, 50));

ofPopMatrix();

}

this->cam.end();

int start = 250;

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/Insta20241210

2024年12月9日

Spider wave.

[ Video ]

[ About ]
スパイダーウェブ。

[ 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) {};

	vector<vector<glm::vec2>> log_list;
	vector<glm::vec2> velocity_list;
	vector<float> noise_seed_list;

	ofMesh line;
};

#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) {};

vector<vector<glm::vec2>> log_list;

vector<glm::vec2> velocity_list;

vector<float> noise_seed_list;

ofMesh line;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openframeworks");

	ofBackground(39);

	this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

	for (int i = 0; i < 2; i++) {

		auto deg = ofGetFrameNum() * 2.88 + i * 180;
		auto location = glm::vec2();
		auto next_location = glm::vec2(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD));

		for (int k = 0; k < 2; k++) {

			vector<glm::vec2> log;
			log.push_back(location);
			this->log_list.push_back(log);

			auto deg = glm::atan(next_location.y - location.y, next_location.x - location.x) * RAD_TO_DEG + 180 + ofRandom(-35, 35);
			glm::vec2 velocity = glm::vec2(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD));
			this->velocity_list.push_back(velocity);

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

	for (int i = 0; i < this->log_list.size(); i++) {

		auto future = this->velocity_list[i] * 200;
		auto random_deg = ofMap(ofNoise(glm::vec2(this->noise_seed_list[i], ofGetFrameNum() * 0.01)), 0, 1, 0, 360);
		future += glm::vec2(50 * cos(random_deg * DEG_TO_RAD), 50 * sin(random_deg * DEG_TO_RAD));

		auto next = this->log_list[i].back() + glm::normalize(future) * 2;
		next = glm::length(next) < 1000 ? next : glm::normalize(next) * 1000;
		this->log_list[i].push_back(next);

		if (this->log_list[i].size() > 300) {

			this->log_list.erase(this->log_list.begin() + i);
			this->velocity_list.erase(this->velocity_list.begin() + i);
			this->noise_seed_list.erase(this->noise_seed_list.begin() + i);
		}
	}

	this->line.clear();

	for (int i = 0; i < this->log_list.size(); i++) {

		this->line.addVertex(glm::vec3(this->log_list[i].back(), 0));
		this->line.addColor(ofColor(255, this->log_list[i].size() < 50 ? 255 : ofMap(this->log_list[i].size(), 50, 300, 255, 0)));
    }

	for (int i = 0; i < this->line.getNumVertices(); i++) {

		for (int k = i + 1; k < this->line.getNumVertices(); k++) {

			auto distance = glm::distance(this->line.getVertex(i), this->line.getVertex(k));
			if (distance < 30) {

				this->line.addIndex(i); this->line.addIndex(k);
			}
		}
	}
}

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

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

	for (int i = 0; i < this->line.getNumVertices(); i++) {

		ofSetColor(this->line.getColor(i));
		ofDrawCircle(this->line.getVertex(i), 3);
	}

	this->line.drawWireframe();

	/*
	int start = 300;
	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());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(39);

this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

}

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

void ofApp::update() {

for (int i = 0; i < 2; i++) {

auto deg = ofGetFrameNum() * 2.88 + i * 180;

auto location = glm::vec2();

auto next_location = glm::vec2(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD));

for (int k = 0; k < 2; k++) {

vector<glm::vec2> log;

log.push_back(location);

this->log_list.push_back(log);

auto deg = glm::atan(next_location.y - location.y, next_location.x - location.x) * RAD_TO_DEG + 180 + ofRandom(-35, 35);

glm::vec2 velocity = glm::vec2(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD));

this->velocity_list.push_back(velocity);

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

}

for (int i = 0; i < this->log_list.size(); i++) {

auto future = this->velocity_list[i] * 200;

auto random_deg = ofMap(ofNoise(glm::vec2(this->noise_seed_list[i], ofGetFrameNum() * 0.01)), 0, 1, 0, 360);

future += glm::vec2(50 * cos(random_deg * DEG_TO_RAD), 50 * sin(random_deg * DEG_TO_RAD));

auto next = this->log_list[i].back() + glm::normalize(future) * 2;

next = glm::length(next) < 1000 ? next : glm::normalize(next) * 1000;

this->log_list[i].push_back(next);

if (this->log_list[i].size() > 300) {

this->log_list.erase(this->log_list.begin() + i);

this->velocity_list.erase(this->velocity_list.begin() + i);

this->noise_seed_list.erase(this->noise_seed_list.begin() + i);

}

this->line.clear();

for (int i = 0; i < this->log_list.size(); i++) {

this->line.addVertex(glm::vec3(this->log_list[i].back(), 0));

this->line.addColor(ofColor(255, this->log_list[i].size() < 50 ? 255 : ofMap(this->log_list[i].size(), 50, 300, 255, 0)));

}

for (int i = 0; i < this->line.getNumVertices(); i++) {

for (int k = i + 1; k < this->line.getNumVertices(); k++) {

auto distance = glm::distance(this->line.getVertex(i), this->line.getVertex(k));

if (distance < 30) {

this->line.addIndex(i); this->line.addIndex(k);

}

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

void ofApp::draw() {

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

for (int i = 0; i < this->line.getNumVertices(); i++) {

ofSetColor(this->line.getColor(i));

ofDrawCircle(this->line.getVertex(i), 3);

}

this->line.drawWireframe();

int start = 300;

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/Insta20241209

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