プログラミング de 落描き – ページ 197 – クリエイティブ・コーディングによる生成物とソース

2023年11月23日

Waving circles.

[ Video ]

[ About ]
波打つ円。

[ 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 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) {};

ofEasyCam cam;

ofMesh line;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetColor(255);

	ofEnableDepthTest();
	ofSetLineWidth(1);

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

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

	ofSeedRandom(39);

	this->line.clear();

	auto noise_param = glm::vec3(ofRandom(360), ofRandom(360), ofRandom(360));

	for (int radius = 50; radius <= 300; radius += 5) {

		int start_index = this->line.getNumVertices();
		int index = start_index;

		auto z = ofMap(ofNoise(radius * 0.005 + ofGetFrameNum() * 0.03), 0, 1, -300, 300);
		for (int deg = 0; deg < 360; deg += 1) {

			auto vertex = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z);
			this->line.addVertex(vertex);

			if (deg > 0) {

				this->line.addIndex(index - 1);
				this->line.addIndex(index);
			}

			index++;
		}

		this->line.addIndex(this->line.getNumVertices() - 1);
		this->line.addIndex(start_index);
	}

	int index_span = 30;
	for (int index = 0; index < this->line.getNumVertices() - 360; index += index_span) {

		this->line.addIndex(index);
		this->line.addIndex(index + 360);
	}
}

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

	this->cam.begin();
	ofRotateX(115);
	ofRotateZ(ofGetFrameNum() * 1.44);
	

	this->line.drawWireframe();

	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);

ofSetColor(255);

ofEnableDepthTest();

ofSetLineWidth(1);

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->line.clear();

auto noise_param = glm::vec3(ofRandom(360), ofRandom(360), ofRandom(360));

for (int radius = 50; radius <= 300; radius += 5) {

int start_index = this->line.getNumVertices();

int index = start_index;

auto z = ofMap(ofNoise(radius * 0.005 + ofGetFrameNum() * 0.03), 0, 1, -300, 300);

for (int deg = 0; deg < 360; deg += 1) {

auto vertex = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z);

this->line.addVertex(vertex);

if (deg > 0) {

this->line.addIndex(index - 1);

this->line.addIndex(index);

}

index++;

}

this->line.addIndex(this->line.getNumVertices() - 1);

this->line.addIndex(start_index);

}

int index_span = 30;

for (int index = 0; index < this->line.getNumVertices() - 360; index += index_span) {

this->line.addIndex(index);

this->line.addIndex(index + 360);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(115);

ofRotateZ(ofGetFrameNum() * 1.44);

this->line.drawWireframe();

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/Insta20231123

2023年11月22日

Connected circles.

[ Video ]

[ About ]
繋がった円。

[ 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 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) {};

ofEasyCam cam;

ofMesh line;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(0);

	ofEnableDepthTest();
	ofSetLineWidth(1);

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

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

	ofSeedRandom(39);

	this->line.clear();

	auto noise_param = glm::vec3(ofRandom(360), ofRandom(360), ofRandom(360));

	for (int radius = 50; radius <= 300; radius += 50) {

		auto rotation = glm::vec3(
			ofMap(ofNoise(noise_param.x, radius * 0.001 - ofGetFrameNum() * 0.005), 0, 1, -180, 180),
			ofMap(ofNoise(noise_param.y, radius * 0.001 - ofGetFrameNum() * 0.005), 0, 1, -180, 180),
			ofMap(ofNoise(noise_param.z, radius * 0.001 - ofGetFrameNum() * 0.005), 0, 1, -180, 180));

		auto rotation_x = glm::rotate(glm::mat4(), rotation.x * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));
		auto rotation_y = glm::rotate(glm::mat4(), rotation.y * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
		auto rotation_z = glm::rotate(glm::mat4(), rotation.z * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

		int start_index = this->line.getNumVertices();
		int index = start_index;
		for (int deg = 0; deg < 360; deg += 1) {

			auto vertex = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);

			if (radius % 150 != 0) {

				vertex = glm::vec4(vertex, 0) * rotation_x * rotation_y;
			}

			this->line.addVertex(vertex);

			if (deg > 0) {

				this->line.addIndex(index - 1);
				this->line.addIndex(index);
			}

			index++;
		}

		this->line.addIndex(this->line.getNumVertices() - 1);
		this->line.addIndex(start_index);
	}

	int index_span = 30;
	for (int index = 0; index < this->line.getNumVertices() - 360; index += index_span) {

		this->line.addIndex(index);
		this->line.addIndex(index + 360);
	}
}

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

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

	this->line.drawWireframe();

	this->cam.end();

	int start = 1;
	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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(0);

ofEnableDepthTest();

ofSetLineWidth(1);

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->line.clear();

auto noise_param = glm::vec3(ofRandom(360), ofRandom(360), ofRandom(360));

for (int radius = 50; radius <= 300; radius += 50) {

auto rotation = glm::vec3(

ofMap(ofNoise(noise_param.x, radius * 0.001 - ofGetFrameNum() * 0.005), 0, 1, -180, 180),

ofMap(ofNoise(noise_param.y, radius * 0.001 - ofGetFrameNum() * 0.005), 0, 1, -180, 180),

ofMap(ofNoise(noise_param.z, radius * 0.001 - ofGetFrameNum() * 0.005), 0, 1, -180, 180));

auto rotation_x = glm::rotate(glm::mat4(), rotation.x * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), rotation.y * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), rotation.z * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

int start_index = this->line.getNumVertices();

int index = start_index;

for (int deg = 0; deg < 360; deg += 1) {

auto vertex = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);

if (radius % 150 != 0) {

vertex = glm::vec4(vertex, 0) * rotation_x * rotation_y;

}

this->line.addVertex(vertex);

if (deg > 0) {

this->line.addIndex(index - 1);

this->line.addIndex(index);

}

index++;

}

this->line.addIndex(this->line.getNumVertices() - 1);

this->line.addIndex(start_index);

}

int index_span = 30;

for (int index = 0; index < this->line.getNumVertices() - 360; index += index_span) {

this->line.addIndex(index);

this->line.addIndex(index + 360);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.44);

this->line.drawWireframe();

this->cam.end();

int start = 1;

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/Insta20231122

2023年11月21日

Yellow lines.

[ Video ]

[ About ]
黄色い線。

[ 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;

	ofMesh base_mesh, draw_mesh;
};

#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 base_mesh, draw_mesh;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetColor(32, 32, 0);
	ofNoFill();
	ofSetLineWidth(1.5);
	
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	auto ico_sphere = ofIcoSpherePrimitive(250, 2);
	this->base_mesh = ico_sphere.getMesh();
	this->draw_mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

}

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

	this->cam.begin();

	for (auto v : this->base_mesh.getVertices()) {

		ofBeginShape();
		for (int i = 0; i < 90; i++) {

			auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.005, ofGetFrameNum() * 0.006 + i * 0.005)), 0, 1, -180, 180) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));
			auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.005, ofGetFrameNum() * 0.006 + i * 0.005)), 0, 1, -180, 180) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
			auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.005, ofGetFrameNum() * 0.006 + i * 0.005)), 0, 1, -180, 180) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));
			auto vertex = glm::vec4(v, 0) * rotation_z * rotation_y * rotation_x;
			vertex.z = 0;

			ofVertex(glm::vec3(vertex));
		}
		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);
		}
	}
	*/

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetColor(32, 32, 0);

ofNoFill();

ofSetLineWidth(1.5);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

auto ico_sphere = ofIcoSpherePrimitive(250, 2);

this->base_mesh = ico_sphere.getMesh();

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

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

for (auto v : this->base_mesh.getVertices()) {

ofBeginShape();

for (int i = 0; i < 90; i++) {

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.005, ofGetFrameNum() * 0.006 + i * 0.005)), 0, 1, -180, 180) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.005, ofGetFrameNum() * 0.006 + i * 0.005)), 0, 1, -180, 180) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.005, ofGetFrameNum() * 0.006 + i * 0.005)), 0, 1, -180, 180) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

auto vertex = glm::vec4(v, 0) * rotation_z * rotation_y * rotation_x;

vertex.z = 0;

ofVertex(glm::vec3(vertex));

}

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);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20231121

2025年7月
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