プログラミング de 落描き – ページ 73 – 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2日

Twist sphere.

[ Video ]

[ About ]
球体をねじる。

[ 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;

	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(239);
	ofSetLineWidth(0.5);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT);

	auto ico_sphere = ofIcoSpherePrimitive(250, 4);
	this->base_mesh = ico_sphere.getMesh();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	for (int base_x = -250; base_x <= 250; base_x += 250) {

		for (int base_y = -250; base_y <= 250; base_y += 250) {

			this->draw_mesh.clear();
			auto seed = ofRandom(1000);

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

				ofColor color;
				color.setHsb(ofMap(v.x, -125, 125, 0, 80), 255, 255);

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

					auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec3(seed, v.x * 0.002, ofGetFrameNum() * 0.002)), 0, 1, -300, 300) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));
					auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec3(seed, v.y * 0.002, ofGetFrameNum() * 0.002)), 0, 1, -300, 300) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
					auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec3(seed, v.z * 0.002, ofGetFrameNum() * 0.002)), 0, 1, -300, 300) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

					//auto radius = ofMap(ofNoise(glm::vec4(v * 0.01, ofGetFrameNum() * 0.008)), 0, 1, 10, 100);
					auto radius = 100;

					v = glm::normalize(v) * radius;
					v = glm::vec4(v, 0) * rotation_z * rotation_y * rotation_x;
				}

				this->draw_mesh.addVertex(glm::vec3(v.x + base_x, v.y + base_y, 0));
				this->draw_mesh.addColor(ofColor(color, 18));
			}

			this->draw_mesh.addIndices(this->base_mesh.getIndices());
			this->draw_mesh.drawWireframe();
		}
	}

	/*
	int start = 100;
	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(239);

ofSetLineWidth(0.5);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT);

auto ico_sphere = ofIcoSpherePrimitive(250, 4);

this->base_mesh = ico_sphere.getMesh();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

for (int base_x = -250; base_x <= 250; base_x += 250) {

for (int base_y = -250; base_y <= 250; base_y += 250) {

this->draw_mesh.clear();

auto seed = ofRandom(1000);

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

ofColor color;

color.setHsb(ofMap(v.x, -125, 125, 0, 80), 255, 255);

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

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec3(seed, v.x * 0.002, ofGetFrameNum() * 0.002)), 0, 1, -300, 300) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec3(seed, v.y * 0.002, ofGetFrameNum() * 0.002)), 0, 1, -300, 300) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec3(seed, v.z * 0.002, ofGetFrameNum() * 0.002)), 0, 1, -300, 300) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

//auto radius = ofMap(ofNoise(glm::vec4(v * 0.01, ofGetFrameNum() * 0.008)), 0, 1, 10, 100);

auto radius = 100;

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

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

}

this->draw_mesh.addVertex(glm::vec3(v.x + base_x, v.y + base_y, 0));

this->draw_mesh.addColor(ofColor(color, 18));

}

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

this->draw_mesh.drawWireframe();

}

int start = 100;

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/Insta20241202

2024年12月1日2024年12月1日

Peek into.

[ Video ]

[ About ]
覗き込む。

[ 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);

	ofEnableDepthTest();
	ofSetLineWidth(3);
}

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

}

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

	this->cam.begin();

	int width = 90;
	int height = 90;
	int len = 5;

	for (int x = -100; x <= 100; x += 100) {

		for (int y = -100; y <= 100; y += 100) {

			for (int z = 0; z <= 280; z += 15) {

				auto noise_param = ofNoise(x * 0.005, y * 0.005, z * 0.005 + ofGetFrameNum() * 0.05);

				if (noise_param < 0.25) { continue; }

				ofPushMatrix();
				ofTranslate(x, y, z);

				auto alpha = ofMap(z, 0, 280, 0, 255);

				ofFill();
				ofSetColor(ofColor(0, alpha));

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

				ofEndShape(true);

				ofNoFill();
				ofSetColor(ofColor(255, alpha));

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

				ofEndShape(true);

				ofPopMatrix();
			}
		}
	}

	this->cam.end();

	/*
	int start = 50;
	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);

ofEnableDepthTest();

ofSetLineWidth(3);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

int width = 90;

int height = 90;

int len = 5;

for (int x = -100; x <= 100; x += 100) {

for (int y = -100; y <= 100; y += 100) {

for (int z = 0; z <= 280; z += 15) {

auto noise_param = ofNoise(x * 0.005, y * 0.005, z * 0.005 + ofGetFrameNum() * 0.05);

if (noise_param < 0.25) { continue; }

ofPushMatrix();

ofTranslate(x, y, z);

auto alpha = ofMap(z, 0, 280, 0, 255);

ofFill();

ofSetColor(ofColor(0, alpha));

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 * -0.5 + len, height * -0.5 + len));

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

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

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

ofEndShape(true);

ofNoFill();

ofSetColor(ofColor(255, alpha));

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 * -0.5 + len, height * -0.5 + len));

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

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

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

ofEndShape(true);

ofPopMatrix();

}

this->cam.end();

int start = 50;

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/Insta20241201

2024年11月30日

Move in tandem.

[ Video ]

[ About ]
連動した動き。

[ 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();
	ofRotateY(180);
	ofRotateX(ofGetFrameNum() * 1.44);

	int width = 200;
	int height = 200;
	int len = 5;
	for (int z = -280; z <= 280; z += 20) {

		ofPushMatrix();
		ofTranslate(0, 0, z);
		ofRotate(ofMap(ofNoise((z + 300) * 0.003 + ofGetFrameNum() * 0.01), 0, 1, -360, 360));

		ofFill();
		ofSetColor(255);

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

		ofEndShape(true);

		ofNoFill();
		ofSetColor(0);

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

		ofEndShape(true);

		ofPopMatrix();
	}

	this->cam.end();

	/*
	int start = 240;
	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);

ofEnableDepthTest();

ofSetLineWidth(3);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(180);

ofRotateX(ofGetFrameNum() * 1.44);

int width = 200;

int height = 200;

int len = 5;

for (int z = -280; z <= 280; z += 20) {

ofPushMatrix();

ofTranslate(0, 0, z);

ofRotate(ofMap(ofNoise((z + 300) * 0.003 + ofGetFrameNum() * 0.01), 0, 1, -360, 360));

ofFill();

ofSetColor(255);

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 * -0.5 + len, height * -0.5 + len));

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

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

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

ofEndShape(true);

ofNoFill();

ofSetColor(0);

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 * -0.5 + len, height * -0.5 + len));

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

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

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

ofEndShape(true);

ofPopMatrix();

}

this->cam.end();

int start = 240;

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/Insta20241130

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