プログラミング de 落描き – ページ 49 – 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2月9日

Mountain range.

[ Video ]

[ About ]
山脈。

[ Source ]

#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;
	ofMesh face, frame;
};

#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;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofEnableDepthTest();

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

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

	this->face.clear();
	this->frame.clear();

	for (auto y = -300; y < 300; y += 10) {

		for (auto x = -600; x <= 600; x += 1) {

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec3(x, y, 0));
			vertices.push_back(glm::vec3(x + 1, y, 0));
			vertices.push_back(glm::vec3(x + 1, y, 100));
			vertices.push_back(glm::vec3(x, y, 100));

			for (auto& vertex : vertices) {

				if (vertex.z == 100) {

					auto noise_value = ofNoise(y * 0.005, vertex.x * 0.0025, vertex.y * 0.0025, ofGetFrameNum() * 0.005);
					if (noise_value > 0.5) {

						vertex.z = ofMap(noise_value, 0.5, 1, 0, 1000);
						vertex.z *= ofMap(y, -300, 300, 0, 1);
						vertex.z *= ofMap(abs(x), 0, 600, 1, 0);
					}
					else {

						vertex.z = 0;
					}
				}
			}

			this->face.addVertices(vertices);
			this->frame.addVertices(vertices);

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

			this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2);
			this->frame.addIndex(this->frame.getNumVertices() - 3); this->frame.addIndex(this->frame.getNumVertices() - 4);

			ofColor face_color = ofColor(0);
			ofColor frame_color = ofColor(255);

			this->face.addColor(face_color);
			this->face.addColor(face_color);
			this->face.addColor(face_color);
			this->face.addColor(face_color);

			this->frame.addColor(frame_color);
			this->frame.addColor(frame_color);
			this->frame.addColor(frame_color);
			this->frame.addColor(frame_color);
		}
	}
}

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

	this->cam.begin();
	ofRotateX(270);

	this->face.draw();
	this->frame.drawWireframe();

	this->cam.end();

	/*
	int start = 500;
	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();

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

}

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

void ofApp::update() {

this->face.clear();

this->frame.clear();

for (auto y = -300; y < 300; y += 10) {

for (auto x = -600; x <= 600; x += 1) {

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(x, y, 0));

vertices.push_back(glm::vec3(x + 1, y, 0));

vertices.push_back(glm::vec3(x + 1, y, 100));

vertices.push_back(glm::vec3(x, y, 100));

for (auto& vertex : vertices) {

if (vertex.z == 100) {

auto noise_value = ofNoise(y * 0.005, vertex.x * 0.0025, vertex.y * 0.0025, ofGetFrameNum() * 0.005);

if (noise_value > 0.5) {

vertex.z = ofMap(noise_value, 0.5, 1, 0, 1000);

vertex.z *= ofMap(y, -300, 300, 0, 1);

vertex.z *= ofMap(abs(x), 0, 600, 1, 0);

}

else {

vertex.z = 0;

}

this->face.addVertices(vertices);

this->frame.addVertices(vertices);

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

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

this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2);

this->frame.addIndex(this->frame.getNumVertices() - 3); this->frame.addIndex(this->frame.getNumVertices() - 4);

ofColor face_color = ofColor(0);

ofColor frame_color = ofColor(255);

this->face.addColor(face_color);

this->frame.addColor(frame_color);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

this->face.draw();

this->frame.drawWireframe();

this->cam.end();

int start = 500;

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/Insta20250209

2025年2月8日

Shell.

[ Video ]

[ About ]
シェル。

[ Source ]

#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;
	ofMesh face, frame;
};

#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;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

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

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

	this->face.clear();
	this->frame.clear();

	auto deg_span = 1;
	for (auto radius = 300; radius > 0; radius -= 5) {

		for (auto deg = 0; deg < 360; deg += deg_span) {

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));
			vertices.push_back(glm::vec3(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD), 0));
			vertices.push_back(glm::vec3(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD), radius));
			vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), radius));

			for (auto& vertex : vertices) {

				if (vertex.z == radius) {

					auto noise_value = ofNoise(radius * 0.005, vertex.x * 0.0025, vertex.y * 0.0025, ofGetFrameNum() * 0.005);
					if (noise_value > 0.5) {

						vertex.z = ofMap(noise_value, 0.5, 1, 0, 500);
					}
					else {

						vertex.z = 0;
					}
				}
			}

			this->face.addVertices(vertices);
			this->frame.addVertices(vertices);

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

			this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2);
			this->frame.addIndex(this->frame.getNumVertices() - 3); this->frame.addIndex(this->frame.getNumVertices() - 4);

			ofColor face_color = ofColor(0);
			ofColor frame_color = ofColor(255);

			this->face.addColor(face_color);
			this->face.addColor(face_color);
			this->face.addColor(face_color);
			this->face.addColor(face_color);

			this->frame.addColor(frame_color);
			this->frame.addColor(frame_color);
			this->frame.addColor(frame_color);
			this->frame.addColor(frame_color);
		}
	}
}

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

	this->cam.begin();
	ofRotateZ(ofGetFrameNum() * 0.72);

	this->face.draw();
	this->frame.drawWireframe();

	this->cam.end();

	/*
	int start = 500;
	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();

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

}

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

void ofApp::update() {

this->face.clear();

this->frame.clear();

auto deg_span = 1;

for (auto radius = 300; radius > 0; radius -= 5) {

for (auto deg = 0; deg < 360; deg += deg_span) {

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));

vertices.push_back(glm::vec3(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD), 0));

vertices.push_back(glm::vec3(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD), radius));

vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), radius));

for (auto& vertex : vertices) {

if (vertex.z == radius) {

auto noise_value = ofNoise(radius * 0.005, vertex.x * 0.0025, vertex.y * 0.0025, ofGetFrameNum() * 0.005);

if (noise_value > 0.5) {

vertex.z = ofMap(noise_value, 0.5, 1, 0, 500);

}

else {

vertex.z = 0;

}

this->face.addVertices(vertices);

this->frame.addVertices(vertices);

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

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

this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2);

this->frame.addIndex(this->frame.getNumVertices() - 3); this->frame.addIndex(this->frame.getNumVertices() - 4);

ofColor face_color = ofColor(0);

ofColor frame_color = ofColor(255);

this->face.addColor(face_color);

this->frame.addColor(frame_color);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateZ(ofGetFrameNum() * 0.72);

this->face.draw();

this->frame.drawWireframe();

this->cam.end();

int start = 500;

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/Insta20250208

2025年2月7日

Waving

[ Video ]

[ About ]
ウェービング。

[ 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;
	ofMesh 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 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;

ofMesh mesh;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetLineWidth(0.3);
	ofEnableDepthTest();

	float span = 20;
	for (int x = -1000; x <= 1000; x += span) {

		for (int y = -1000; y <= 1000; y += span) {

			this->mesh.addVertex(glm::vec3(x, y, 0));
			this->mesh.addVertex(glm::vec3(x + span, y, 0));
			this->mesh.addVertex(glm::vec3(x + span, y + span, 0));
			this->mesh.addVertex(glm::vec3(x, y + span, 0));

			this->mesh.addIndex(this->mesh.getNumVertices() - 1);
			this->mesh.addIndex(this->mesh.getNumVertices() - 4);
			this->mesh.addIndex(this->mesh.getNumVertices() - 3);

			this->mesh.addIndex(this->mesh.getNumVertices() - 1);
			this->mesh.addIndex(this->mesh.getNumVertices() - 2);
			this->mesh.addIndex(this->mesh.getNumVertices() - 3);
		}
	}
}

//--------------------------------------------------------------
void ofApp::update() {
		
	for (auto& vertex : this->mesh.getVertices()) {

		auto noise_value = ofNoise(glm::length(vertex) * 0.003 + ofGetFrameNum() * 0.05, vertex.x * 0.0005, vertex.y * 0.0005);
		vertex.z = pow(ofMap(noise_value, 0, 1, 0, 5.5), 3);
	}
}

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

	this->cam.begin();
	ofRotateX(270);
	ofRotateZ(ofGetFrameNum() * 1.44);

	ofSetColor(255);
	this->mesh.drawVertices();

	this->cam.end();

	/*
	int start = 500;
	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);

ofSetLineWidth(0.3);

ofEnableDepthTest();

float span = 20;

for (int x = -1000; x <= 1000; x += span) {

for (int y = -1000; y <= 1000; y += span) {

this->mesh.addVertex(glm::vec3(x, y, 0));

this->mesh.addVertex(glm::vec3(x + span, y, 0));

this->mesh.addVertex(glm::vec3(x + span, y + span, 0));

this->mesh.addVertex(glm::vec3(x, y + span, 0));

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

this->mesh.addIndex(this->mesh.getNumVertices() - 4);

this->mesh.addIndex(this->mesh.getNumVertices() - 3);

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

this->mesh.addIndex(this->mesh.getNumVertices() - 2);

this->mesh.addIndex(this->mesh.getNumVertices() - 3);

}

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

void ofApp::update() {

for (auto& vertex : this->mesh.getVertices()) {

auto noise_value = ofNoise(glm::length(vertex) * 0.003 + ofGetFrameNum() * 0.05, vertex.x * 0.0005, vertex.y * 0.0005);

vertex.z = pow(ofMap(noise_value, 0, 1, 0, 5.5), 3);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

ofRotateZ(ofGetFrameNum() * 1.44);

ofSetColor(255);

this->mesh.drawVertices();

this->cam.end();

int start = 500;

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/Insta20250207

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