2025年3月 – ページ 5 – プログラミング de 落描き

2025年3月19日

Spiral line.

[ Video ]

[ About ]
螺旋線。

[ 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);
	ofSetLineWidth(3);
}

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

}

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

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

	for (int deg = 0; deg < 360; deg += 3) {

		ofPushMatrix();
		ofRotate(deg);
		ofTranslate(glm::vec2(0, 250));

		auto rotate_deg = ofMap(ofNoise(cos(deg * DEG_TO_RAD) * 0.15, sin(deg * DEG_TO_RAD) * 0.15, ofGetFrameNum() * 0.005), 0, 1, -720, 720);
		ofRotateX(rotate_deg);

		ofSetColor(239, 39, 39);
		ofDrawLine(glm::vec2(0, -12.5), glm::vec2(0, -50));
		ofSetColor(39, 39, 239);
		ofDrawLine(glm::vec2(0, 12.5), glm::vec2(0, 50));
		ofSetColor(39);
		ofDrawSphere(glm::vec3(), 2);

		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);

ofSetLineWidth(3);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.44);

for (int deg = 0; deg < 360; deg += 3) {

ofPushMatrix();

ofRotate(deg);

ofTranslate(glm::vec2(0, 250));

auto rotate_deg = ofMap(ofNoise(cos(deg * DEG_TO_RAD) * 0.15, sin(deg * DEG_TO_RAD) * 0.15, ofGetFrameNum() * 0.005), 0, 1, -720, 720);

ofRotateX(rotate_deg);

ofSetColor(239, 39, 39);

ofDrawLine(glm::vec2(0, -12.5), glm::vec2(0, -50));

ofSetColor(39, 39, 239);

ofDrawLine(glm::vec2(0, 12.5), glm::vec2(0, 50));

ofSetColor(39);

ofDrawSphere(glm::vec3(), 2);

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/Insta20250319

2025年3月18日

Three sphere

[ Video ]

[ About ]
3つの球。

[ 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 mesh, draw_mesh;

	float noise_param;
};

#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 mesh, draw_mesh;

float noise_param;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(250, 7);
	this->mesh = ico_sphere.getMesh();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(-27);

	ofSeedRandom(39);

	ofColor color;

	for (int x = -550; x <= 550; x += 550) {

		auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
		for (int radius = 250; radius <= 260; radius += 5) {

			this->draw_mesh.clear();
			this->noise_param = 0.0005;

			noise_seed -= glm::vec3(0.015, 0.015, 0.015);

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

				auto noise_value = ofMap(ofNoise(
					noise_seed.x + this->mesh.getVertex(i).x * this->noise_param,
					noise_seed.y + this->mesh.getVertex(i).y * this->noise_param +
					ofGetFrameNum() * 0.0085,
					noise_seed.z + this->mesh.getVertex(i).z * this->noise_param
				), 0, 1, 0, 10);
				int int_noise_value = (int)noise_value;

				int hue = ofMap(noise_value, 0, 10, 0, 512);
				hue = hue % 256;

				noise_value = noise_value - int_noise_value;
				auto alpha = 0.f;
				if (abs(noise_value - 0.5) > 0.35) {

					if (abs(noise_value - 0.5) > 0.45) {

						alpha = 255;
					}
					else {

						alpha = ofMap(abs(noise_value - 0.5), 0.35, 0.45, 0, 255);
					}
				}
				color.setHsb(ofMap(radius, 250, 260, 0, 255), 255, 255, alpha);
				auto vertex = this->mesh.getVertex(i);
				vertex = glm::vec3(x, 0, 0) + glm::normalize(vertex) * radius;

				this->draw_mesh.addVertex(vertex);
				this->draw_mesh.addColor(color);
			}

			this->draw_mesh.addIndices(this->mesh.getIndices());
			this->draw_mesh.draw();
		}
	}

	this->cam.end();

	/*
	int start = 60;
	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());
}

100

101

102

103

104

105

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(250, 7);

this->mesh = ico_sphere.getMesh();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(-27);

ofSeedRandom(39);

ofColor color;

for (int x = -550; x <= 550; x += 550) {

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

for (int radius = 250; radius <= 260; radius += 5) {

this->draw_mesh.clear();

this->noise_param = 0.0005;

noise_seed -= glm::vec3(0.015, 0.015, 0.015);

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

auto noise_value = ofMap(ofNoise(

noise_seed.x + this->mesh.getVertex(i).x * this->noise_param,

noise_seed.y + this->mesh.getVertex(i).y * this->noise_param +

ofGetFrameNum() * 0.0085,

noise_seed.z + this->mesh.getVertex(i).z * this->noise_param

), 0, 1, 0, 10);

int int_noise_value = (int)noise_value;

int hue = ofMap(noise_value, 0, 10, 0, 512);

hue = hue % 256;

noise_value = noise_value - int_noise_value;

auto alpha = 0.f;

if (abs(noise_value - 0.5) > 0.35) {

if (abs(noise_value - 0.5) > 0.45) {

alpha = 255;

}

else {

alpha = ofMap(abs(noise_value - 0.5), 0.35, 0.45, 0, 255);

}

color.setHsb(ofMap(radius, 250, 260, 0, 255), 255, 255, alpha);

auto vertex = this->mesh.getVertex(i);

vertex = glm::vec3(x, 0, 0) + glm::normalize(vertex) * radius;

this->draw_mesh.addVertex(vertex);

this->draw_mesh.addColor(color);

}

this->draw_mesh.addIndices(this->mesh.getIndices());

this->draw_mesh.draw();

}

this->cam.end();

int start = 60;

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/Insta20250318

2025年3月17日2025年3月17日

Layer of sphere.

[ Video ]

[ About ]
球の層。

[ 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 mesh, draw_mesh;

	float noise_param;
};

#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 mesh, draw_mesh;

float noise_param;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(250, 7);
	this->mesh = ico_sphere.getMesh();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(-27);

	ofSeedRandom(39);

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

	for (int radius = 200; radius <= 260; radius += 30) {

		this->draw_mesh.clear();
		this->noise_param = 0.0005;

		noise_seed -= glm::vec3(0.015, 0.015, 0.015);

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

			auto noise_value = ofMap(ofNoise(
				noise_seed.x + this->mesh.getVertex(i).x * this->noise_param,
				noise_seed.y + this->mesh.getVertex(i).y * this->noise_param,
				noise_seed.z + this->mesh.getVertex(i).z * this->noise_param,
				ofGetFrameNum() * 0.015), 0, 1, 0, 10);
			int int_noise_value = (int)noise_value;

			int hue = ofMap(noise_value, 0, 10, 0, 512);
			hue = hue % 256;

			noise_value = noise_value - int_noise_value;
			auto alpha = 0.f;
			if (abs(noise_value - 0.5) > 0.35) {

				if (abs(noise_value - 0.5) > 0.45) {

					alpha = 255;
				}
				else {

					alpha = ofMap(abs(noise_value - 0.5), 0.35, 0.45, 0, 255);
				}
			}
			color = ofColor(0, alpha);
			auto vertex = this->mesh.getVertex(i);
			vertex = glm::normalize(vertex) * radius;

			this->draw_mesh.addVertex(vertex);
			this->draw_mesh.addColor(color);
		}

		this->draw_mesh.addIndices(this->mesh.getIndices());
		this->draw_mesh.draw();
	}

	this->cam.end();

	/*
	int start = 60;
	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());
}

100

101

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(250, 7);

this->mesh = ico_sphere.getMesh();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(-27);

ofSeedRandom(39);

ofColor color;

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

for (int radius = 200; radius <= 260; radius += 30) {

this->draw_mesh.clear();

this->noise_param = 0.0005;

noise_seed -= glm::vec3(0.015, 0.015, 0.015);

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

auto noise_value = ofMap(ofNoise(

noise_seed.x + this->mesh.getVertex(i).x * this->noise_param,

noise_seed.y + this->mesh.getVertex(i).y * this->noise_param,

noise_seed.z + this->mesh.getVertex(i).z * this->noise_param,

ofGetFrameNum() * 0.015), 0, 1, 0, 10);

int int_noise_value = (int)noise_value;

int hue = ofMap(noise_value, 0, 10, 0, 512);

hue = hue % 256;

noise_value = noise_value - int_noise_value;

auto alpha = 0.f;

if (abs(noise_value - 0.5) > 0.35) {

if (abs(noise_value - 0.5) > 0.45) {

alpha = 255;

}

else {

alpha = ofMap(abs(noise_value - 0.5), 0.35, 0.45, 0, 255);

}

color = ofColor(0, alpha);

auto vertex = this->mesh.getVertex(i);

vertex = glm::normalize(vertex) * radius;

this->draw_mesh.addVertex(vertex);

this->draw_mesh.addColor(color);

}

this->draw_mesh.addIndices(this->mesh.getIndices());

this->draw_mesh.draw();

}

this->cam.end();

int start = 60;

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/Insta20250317

2025年3月
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