2023年11月 – ページ 7 – プログラミング de 落描き

2023年11月12日

Glowing Amoeba.

[ Video ]

[ About ]
光アメーバ。

[ 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(0);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	ofColor color;
	for (int i = 0; i < 3; i++) {

		auto noise_seed = ofRandom(1000);
		color.setHsb(ofMap(i, 0, 3, 0, 255), 150, 255);

		for (int x = -210; x <= 210; x += 3) {

			for (int y = -210; y <= 210; y += 3) {

				vector<glm::vec2> vertices;
				vertices.push_back(glm::vec2(x, y));
				for (int i = 0; i < 65; i++) {

					auto deg = ofMap(ofNoise(noise_seed, vertices.back().x * 0.004, vertices.back().y * 0.004, ofGetFrameNum() * 0.015), 0, 1, -360, 360);
					auto vertex = vertices.back() + glm::vec2(2 * cos(deg * DEG_TO_RAD), 2 * sin(deg * DEG_TO_RAD));
					vertices.push_back(vertex);
				}

				ofSetColor(color, 8);
				ofNoFill();

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

	/*
	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(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofColor color;

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

auto noise_seed = ofRandom(1000);

color.setHsb(ofMap(i, 0, 3, 0, 255), 150, 255);

for (int x = -210; x <= 210; x += 3) {

for (int y = -210; y <= 210; y += 3) {

vector<glm::vec2> vertices;

vertices.push_back(glm::vec2(x, y));

for (int i = 0; i < 65; i++) {

auto deg = ofMap(ofNoise(noise_seed, vertices.back().x * 0.004, vertices.back().y * 0.004, ofGetFrameNum() * 0.015), 0, 1, -360, 360);

auto vertex = vertices.back() + glm::vec2(2 * cos(deg * DEG_TO_RAD), 2 * sin(deg * DEG_TO_RAD));

vertices.push_back(vertex);

}

ofSetColor(color, 8);

ofNoFill();

ofBeginShape();

ofVertices(vertices);

ofEndShape();

}

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/Insta20231112

2023年11月11日

Noisy route.

[ Video ]

[ About ]
ノイズ・ルート。

[ 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;

	vector<glm::vec3> base_location_list;
	vector<ofColor> base_color_list;

	vector<vector<glm::vec3>> log_list;
	vector<ofColor> color_list;
	vector<float> life_list;
};

#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;

vector<glm::vec3> base_location_list;

vector<ofColor> base_color_list;

vector<vector<glm::vec3>> log_list;

vector<ofColor> color_list;

vector<float> life_list;

};

#include "ofApp.h"	

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

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

	ofBackground(0);
	ofNoFill();
	ofEnableDepthTest();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	
	ofColor color;
	vector<int> hex_list = { 0xf72585, 0xb5179e, 0x7209b7, 0x480ca8, 0x3f37c9, 0x4cc9f0 };

	for (auto hex : hex_list) {

		color.setHex(hex);
		this->base_color_list.push_back(color);
	}

	auto ico_sphere = ofIcoSpherePrimitive(300, 8);
	for (auto& vertex : ico_sphere.getMeshPtr()->getVertices()) {

		this->base_location_list.push_back(vertex);
	}

}

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

	int radius = 5;
	while (this->log_list.size() < 20000) {

		int font_location_index = ofRandom(this->base_location_list.size());
		vector<glm::vec3> log;
		log.push_back(this->base_location_list[font_location_index]);
		this->log_list.push_back(log);
		this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);
		this->life_list.push_back(ofRandom(10, 60));
	}

	for (int i = this->log_list.size() - 1; i >= 0; i--) {

		this->life_list[i] -= 1;
		if (this->life_list[i] < 0) {

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

			continue;
		}

		auto deg = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.004, ofGetFrameNum() * 0.00003)), 0, 1, -360, 360);
		auto theta = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.004, (ofGetFrameNum() + 10000) * 0.00003)), 0, 1, -360, 360);
		auto location = this->log_list[i].back() + glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD), radius * cos(theta * DEG_TO_RAD));
		location = glm::normalize(location) * 300;
		this->log_list[i].push_back(location);
		while (this->log_list[i].size() > 100) {

			this->log_list[i].erase(this->log_list[i].begin());
		}
	}
}

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

	this->cam.begin();
	this->cam.setPosition(glm::vec3(0, 0, 100));
	ofRotateY(ofGetFrameNum() * 0.72);

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

		if (this->life_list[i] > 30) {

			ofSetLineWidth(2);
			ofSetColor(this->color_list[i]);
		}
		else {

			ofSetLineWidth(ofMap(this->life_list[i], 0, 30, 0, 2));
			ofSetColor(ofColor(this->color_list[i], ofMap(this->life_list[i], 0, 30, 32, 255)));
		}

		ofBeginShape();
		ofVertices(this->log_list[i]);
		ofEndShape();
	}

	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());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofNoFill();

ofEnableDepthTest();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofColor color;

vector<int> hex_list = { 0xf72585, 0xb5179e, 0x7209b7, 0x480ca8, 0x3f37c9, 0x4cc9f0 };

for (auto hex : hex_list) {

color.setHex(hex);

this->base_color_list.push_back(color);

}

auto ico_sphere = ofIcoSpherePrimitive(300, 8);

for (auto& vertex : ico_sphere.getMeshPtr()->getVertices()) {

this->base_location_list.push_back(vertex);

}

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

void ofApp::update() {

int radius = 5;

while (this->log_list.size() < 20000) {

int font_location_index = ofRandom(this->base_location_list.size());

vector<glm::vec3> log;

log.push_back(this->base_location_list[font_location_index]);

this->log_list.push_back(log);

this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);

this->life_list.push_back(ofRandom(10, 60));

}

for (int i = this->log_list.size() - 1; i >= 0; i--) {

this->life_list[i] -= 1;

if (this->life_list[i] < 0) {

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

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

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

continue;

}

auto deg = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.004, ofGetFrameNum() * 0.00003)), 0, 1, -360, 360);

auto theta = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.004, (ofGetFrameNum() + 10000) * 0.00003)), 0, 1, -360, 360);

auto location = this->log_list[i].back() + glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD), radius * cos(theta * DEG_TO_RAD));

location = glm::normalize(location) * 300;

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

while (this->log_list[i].size() > 100) {

this->log_list[i].erase(this->log_list[i].begin());

}

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

void ofApp::draw() {

this->cam.begin();

this->cam.setPosition(glm::vec3(0, 0, 100));

ofRotateY(ofGetFrameNum() * 0.72);

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

if (this->life_list[i] > 30) {

ofSetLineWidth(2);

ofSetColor(this->color_list[i]);

}

else {

ofSetLineWidth(ofMap(this->life_list[i], 0, 30, 0, 2));

ofSetColor(ofColor(this->color_list[i], ofMap(this->life_list[i], 0, 30, 32, 255)));

}

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

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/Insta20231111

2023年11月10日

Rainbow tornade.

[ Video ]

[ About ]
虹色トルネード。

[ 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);
	ofSetLineWidth(0.5);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateY(90);

	int v_span = 1;
	int u_span = 30;
	int R = 330;
	int r = 60;	
	ofColor color;

	ofMesh face, line;
	line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

	float noise_seed = ofRandom(1000);
	for (int v = 0; v <= 360 * 6; v += v_span) {

		bool flag = true;
		auto z = glm::vec3(0, 0, ofMap(v, 0, 360 * 6, -360 * 3, 360 * 3));
		auto next_z = glm::vec3(0, 0, ofMap(v + v_span, 0, 360 * 6, -360 * 3, 360 * 3));
		int u_start = ofMap(ofNoise(noise_seed, z.z * 0.003, ofGetFrameNum() * 0.0035), 0, 1, -360 * 3, 360 * 3);
		int next_u = ofMap(ofNoise(noise_seed, next_z.z * 0.003, ofGetFrameNum() * 0.0035), 0, 1, -360 * 3, 360 * 3);

		int count = 0;
		for (int u = u_start; u < u_start + 360; u += u_span) {

			color.setHsb(ofMap(count, 0, 12, 0, 255), 120, 255);
			count++;

			if (true) {

				face.addVertex(this->make_point(R, r, u, v) + z);
				face.addVertex(this->make_point(R, r, u + u_span, v) + z);
				face.addVertex(this->make_point(R, r, next_u + u_span, v + v_span) + next_z);
				face.addVertex(this->make_point(R, r, next_u, v + v_span) + next_z);

				line.addVertex(this->make_point(R, r, u, v) + z);
				line.addVertex(this->make_point(R, r, u + u_span, v) + z);
				line.addVertex(this->make_point(R, r, next_u + u_span, v + v_span) + next_z);
				line.addVertex(this->make_point(R, r, next_u, v + v_span) + next_z);

				ofColor face_color = ofColor(color);
				ofColor line_color = ofColor(239);

				face.addColor(face_color);
				face.addColor(face_color);
				face.addColor(face_color);
				face.addColor(face_color);

				line.addColor(line_color);
				line.addColor(line_color);
				line.addColor(line_color);
				line.addColor(line_color);

				face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 3);
				face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 4);

				line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 4);
				line.addIndex(line.getNumVertices() - 2); line.addIndex(line.getNumVertices() - 3);
			}

			next_u += u_span;
			flag = !flag;
		}
	}

	face.drawFaces();
	line.drawWireframe();

	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());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(0.5);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(90);

int v_span = 1;

int u_span = 30;

int R = 330;

int r = 60;

ofColor color;

ofMesh face, line;

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

float noise_seed = ofRandom(1000);

for (int v = 0; v <= 360 * 6; v += v_span) {

bool flag = true;

auto z = glm::vec3(0, 0, ofMap(v, 0, 360 * 6, -360 * 3, 360 * 3));

auto next_z = glm::vec3(0, 0, ofMap(v + v_span, 0, 360 * 6, -360 * 3, 360 * 3));

int u_start = ofMap(ofNoise(noise_seed, z.z * 0.003, ofGetFrameNum() * 0.0035), 0, 1, -360 * 3, 360 * 3);

int next_u = ofMap(ofNoise(noise_seed, next_z.z * 0.003, ofGetFrameNum() * 0.0035), 0, 1, -360 * 3, 360 * 3);

int count = 0;

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

color.setHsb(ofMap(count, 0, 12, 0, 255), 120, 255);

count++;

if (true) {

face.addVertex(this->make_point(R, r, u, v) + z);

face.addVertex(this->make_point(R, r, u + u_span, v) + z);

face.addVertex(this->make_point(R, r, next_u + u_span, v + v_span) + next_z);

face.addVertex(this->make_point(R, r, next_u, v + v_span) + next_z);

line.addVertex(this->make_point(R, r, u, v) + z);

line.addVertex(this->make_point(R, r, u + u_span, v) + z);

line.addVertex(this->make_point(R, r, next_u + u_span, v + v_span) + next_z);

line.addVertex(this->make_point(R, r, next_u, v + v_span) + next_z);

ofColor face_color = ofColor(color);

ofColor line_color = ofColor(239);

face.addColor(face_color);

line.addColor(line_color);

face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 3);

face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 4);

line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 4);

line.addIndex(line.getNumVertices() - 2); line.addIndex(line.getNumVertices() - 3);

}

next_u += u_span;

flag = !flag;

}

face.drawFaces();

line.drawWireframe();

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/Insta20231110

2023年11月
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