プログラミング de 落描き – ページ 4 – クリエイティブ・コーディングによる生成物とソース

2025年6月21日

Color stream.

[ Video ]

[ About ]
カラーストリーム。

[ 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;
	ofMesh face;

	glm::vec3 target_location, camera_location;
};

#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;

ofMesh face;

glm::vec3 target_location, camera_location;

};

#include "ofApp.h"

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

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

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

}

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

	ofSeedRandom(39);

	this->face.clear();

	auto base_noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
	this->camera_location = glm::vec3(
		ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum()) * 0.01), 0, 1, -500, 500),
		ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum()) * 0.01), 0, 1, -500, 500),
		ofMap(ofNoise(base_noise_seed.z, (ofGetFrameNum()) * 0.01), 0, 1, -500, 500));

	this->target_location = glm::vec3(
		ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum() + 505) * 0.01), 0, 1, -500, 500),
		ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum() + 505) * 0.01), 0, 1, -500, 500),
		ofMap(ofNoise(base_noise_seed.z, (ofGetFrameNum() + 505) * 0.01), 0, 1, -500, 500));

	for (int k = 0; k < 1000; k++) {

		auto param = glm::vec3(2, 0, 0);
		auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
		auto start_index = this->face.getNumVertices();

		ofColor color;
		
		for (int i = 0; i < 15; i++) {

			int index = this->face.getNumVertices();

			auto base_location = glm::vec3(
				ofMap(ofNoise(base_noise_seed.x, (k * 0.5 + i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500),
				ofMap(ofNoise(base_noise_seed.y, (k * 0.5 + i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500),
				ofMap(ofNoise(base_noise_seed.z, (k * 0.5 + i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500));

			auto location = glm::vec3(
				ofMap(ofNoise(noise_seed.x, (k * 0.5 + i + ofGetFrameNum()) * 0.02), 0, 1, -50, 50),
				ofMap(ofNoise(noise_seed.y, (k * 0.5 + i + ofGetFrameNum()) * 0.02), 0, 1, -50, 50),
				ofMap(ofNoise(noise_seed.z, (k * 0.5 + i + ofGetFrameNum()) * 0.02), 0, 1, -50, 50));

			location += base_location;

			this->face.addVertex(location + param);
			this->face.addVertex(location - param);

			auto alpha = ofMap(i, 0, 15, 0, 255);
			color.setHsb(ofMap(k, 0, 1000, 0, 255), 180, 255);

			this->face.addColor(ofColor(color, alpha));
			this->face.addColor(ofColor(color, alpha));

			if (i > 0) {

				this->face.addIndex(index + 0); this->face.addIndex(index - 1); this->face.addIndex(index - 2);
				this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index - 1);

			}
		}
	}
}

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

	auto camera_location = this->camera_location + glm::vec3(0, 0, 700);

	this->cam.setPosition(camera_location);
	this->cam.setTarget(target_location);
	this->cam.lookAt(target_location);

	this->cam.begin();

	this->face.drawFaces();

	this->cam.end();
	/*
	int start = 350;
	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(239);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

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

this->camera_location = glm::vec3(

ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum()) * 0.01), 0, 1, -500, 500),

ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum()) * 0.01), 0, 1, -500, 500),

ofMap(ofNoise(base_noise_seed.z, (ofGetFrameNum()) * 0.01), 0, 1, -500, 500));

this->target_location = glm::vec3(

ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum() + 505) * 0.01), 0, 1, -500, 500),

ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum() + 505) * 0.01), 0, 1, -500, 500),

ofMap(ofNoise(base_noise_seed.z, (ofGetFrameNum() + 505) * 0.01), 0, 1, -500, 500));

for (int k = 0; k < 1000; k++) {

auto param = glm::vec3(2, 0, 0);

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

auto start_index = this->face.getNumVertices();

ofColor color;

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

int index = this->face.getNumVertices();

auto base_location = glm::vec3(

ofMap(ofNoise(base_noise_seed.x, (k * 0.5 + i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500),

ofMap(ofNoise(base_noise_seed.y, (k * 0.5 + i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500),

ofMap(ofNoise(base_noise_seed.z, (k * 0.5 + i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500));

auto location = glm::vec3(

ofMap(ofNoise(noise_seed.x, (k * 0.5 + i + ofGetFrameNum()) * 0.02), 0, 1, -50, 50),

ofMap(ofNoise(noise_seed.y, (k * 0.5 + i + ofGetFrameNum()) * 0.02), 0, 1, -50, 50),

ofMap(ofNoise(noise_seed.z, (k * 0.5 + i + ofGetFrameNum()) * 0.02), 0, 1, -50, 50));

location += base_location;

this->face.addVertex(location + param);

this->face.addVertex(location - param);

auto alpha = ofMap(i, 0, 15, 0, 255);

color.setHsb(ofMap(k, 0, 1000, 0, 255), 180, 255);

this->face.addColor(ofColor(color, alpha));

if (i > 0) {

this->face.addIndex(index + 0); this->face.addIndex(index - 1); this->face.addIndex(index - 2);

this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index - 1);

}

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

void ofApp::draw() {

auto camera_location = this->camera_location + glm::vec3(0, 0, 700);

this->cam.setPosition(camera_location);

this->cam.setTarget(target_location);

this->cam.lookAt(target_location);

this->cam.begin();

this->face.drawFaces();

this->cam.end();

int start = 350;

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/Insta20250621

2025年6月20日

Square – Circle.

[ Video ]

[ About ]
Square – 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(25);
	ofSetWindowTitle("openframeworks");

	ofBackground(39);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	int width = 50;
	int height = 50;

	auto noise_seed_1 = ofRandom(1000);
	auto noise_seed_2 = ofRandom(1000);

	for (int z = 40; z >= -40; z -= 5) {

		int len = abs(ofMap(ofNoise(noise_seed_1, z * 0.0015 + ofGetFrameNum() * 0.03), 0, 1, 0, 200));

		for (int i = 0; i < 4; i++)
		{
			ofPushMatrix();
			ofRotate(ofMap(ofNoise(noise_seed_2, z * 0.0015 + ofGetFrameNum() * 0.01), 0, 1, -360, 360));
			ofRotate(i * 90);
			ofTranslate(-len, -len, 0);

			ofFill();
			ofSetColor(ofMap(z, -40, 40, 39, 239));

			ofBeginShape();

			ofVertex(glm::vec2(width * -0.5, height * -0.5));
			ofVertex(glm::vec2(width * 0.5, height * -0.5));
			ofVertex(glm::vec2(width * 0.5, height * 0.5));
			ofVertex(glm::vec2(width * -0.5, height * 0.5));

			ofNextContour(true);

			ofVertex(glm::vec2(width * -0.45, height * -0.45));
			ofVertex(glm::vec2(width * 0.5, height * -0.45));
			ofVertex(glm::vec2(width * 0.5, height * 0.5));
			ofVertex(glm::vec2(width * -0.45, height * 0.5));

			ofEndShape(true);

			ofPopMatrix();
		}
	}

	this->cam.end();

	/*
	int start = 150;
	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);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

int width = 50;

int height = 50;

auto noise_seed_1 = ofRandom(1000);

auto noise_seed_2 = ofRandom(1000);

for (int z = 40; z >= -40; z -= 5) {

int len = abs(ofMap(ofNoise(noise_seed_1, z * 0.0015 + ofGetFrameNum() * 0.03), 0, 1, 0, 200));

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

{

ofPushMatrix();

ofRotate(ofMap(ofNoise(noise_seed_2, z * 0.0015 + ofGetFrameNum() * 0.01), 0, 1, -360, 360));

ofRotate(i * 90);

ofTranslate(-len, -len, 0);

ofFill();

ofSetColor(ofMap(z, -40, 40, 39, 239));

ofBeginShape();

ofVertex(glm::vec2(width * -0.5, height * -0.5));

ofVertex(glm::vec2(width * 0.5, height * -0.5));

ofVertex(glm::vec2(width * 0.5, height * 0.5));

ofVertex(glm::vec2(width * -0.5, height * 0.5));

ofNextContour(true);

ofVertex(glm::vec2(width * -0.45, height * -0.45));

ofVertex(glm::vec2(width * 0.5, height * -0.45));

ofVertex(glm::vec2(width * 0.5, height * 0.5));

ofVertex(glm::vec2(width * -0.45, height * 0.5));

ofEndShape(true);

ofPopMatrix();

}

this->cam.end();

int start = 150;

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/Insta20250620

2025年6月19日

Four corners.

[ Video ]

[ About ]
四隅。

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

	ofBackground(239);

	ofEnableDepthTest();
	ofSetLineWidth(3);
}

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

}

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

	this->cam.begin();

	int width = 100;
	int height = 100;

	for (int z = -40; z <= 40; z += 10) {

		int len = abs(ofMap(ofNoise(z * 0.005 + ofGetFrameNum() * 0.03), 0, 1, -400, 400));

		for (int i = 0; i < 4; i++)
		{
			ofPushMatrix();
			ofRotate(ofMap(ofNoise(z * 0.005 + ofGetFrameNum() * 0.005), 0, 1, -360, 360));
			ofRotate(i * 90);
			ofTranslate(-len, -len, 0);

			ofFill();
			ofSetColor(39);

			ofBeginShape();

			ofVertex(glm::vec2(width * -0.5, height * -0.5));
			ofVertex(glm::vec2(width * 0.5, height * -0.5));
			ofVertex(glm::vec2(width * 0.5, height * 0.5));
			ofVertex(glm::vec2(width * -0.5, height * 0.5));

			ofNextContour(true);

			ofVertex(glm::vec2(width * -0.43, height * -0.43));
			ofVertex(glm::vec2(width * 0.5, height * -0.43));
			ofVertex(glm::vec2(width * 0.5, height * 0.5));
			ofVertex(glm::vec2(width * -0.43, height * 0.5));

			ofEndShape(true);

			ofPopMatrix();
		}
	}

	this->cam.end();

	/*
	int start = 150;
	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);

ofEnableDepthTest();

ofSetLineWidth(3);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

int width = 100;

int height = 100;

for (int z = -40; z <= 40; z += 10) {

int len = abs(ofMap(ofNoise(z * 0.005 + ofGetFrameNum() * 0.03), 0, 1, -400, 400));

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

{

ofPushMatrix();

ofRotate(ofMap(ofNoise(z * 0.005 + ofGetFrameNum() * 0.005), 0, 1, -360, 360));

ofRotate(i * 90);

ofTranslate(-len, -len, 0);

ofFill();

ofSetColor(39);

ofBeginShape();

ofVertex(glm::vec2(width * -0.5, height * -0.5));

ofVertex(glm::vec2(width * 0.5, height * -0.5));

ofVertex(glm::vec2(width * 0.5, height * 0.5));

ofVertex(glm::vec2(width * -0.5, height * 0.5));

ofNextContour(true);

ofVertex(glm::vec2(width * -0.43, height * -0.43));

ofVertex(glm::vec2(width * 0.5, height * -0.43));

ofVertex(glm::vec2(width * 0.5, height * 0.5));

ofVertex(glm::vec2(width * -0.43, height * 0.5));

ofEndShape(true);

ofPopMatrix();

}

this->cam.end();

int start = 150;

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/Insta20250619

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