プログラミング de 落描き – ページ 116 – 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8月8日

Overlapping.

[ Video ]

[ About ]
重ねる。

[ 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) {};

	ofMesh mesh;
};

#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) {};

ofMesh mesh;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);

	this->mesh.clear();

	float span = 0.5;
	for (float noise_param = 0; noise_param < 1.1; noise_param += 0.1) {

		float noise_seed = ofRandom(10000);

		for (float x = 20; x <= 700; x += span) {

			for (float y = 20; y <= 700; y += span) {

				float noise_value = ofNoise(noise_seed + ofGetFrameNum() * 0.0025, x * 0.008, y * 0.008, ofGetFrameNum() * 0.0025);
				if (noise_value >= noise_param - 0.005 && noise_value <= noise_param + 0.005) {

					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);

					ofColor color;
					color.setHsb(ofMap(noise_param, -0.005, 1.005, 0, 255), 130, 255);
					for (int i = 0; i < 4; i++) {

						this->mesh.addColor(color);
					}
				}
			}
		}
	}
}

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

	this->mesh.draw();

	/*
	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());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->mesh.clear();

float span = 0.5;

for (float noise_param = 0; noise_param < 1.1; noise_param += 0.1) {

float noise_seed = ofRandom(10000);

for (float x = 20; x <= 700; x += span) {

for (float y = 20; y <= 700; y += span) {

float noise_value = ofNoise(noise_seed + ofGetFrameNum() * 0.0025, x * 0.008, y * 0.008, ofGetFrameNum() * 0.0025);

if (noise_value >= noise_param - 0.005 && noise_value <= noise_param + 0.005) {

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);

ofColor color;

color.setHsb(ofMap(noise_param, -0.005, 1.005, 0, 255), 130, 255);

for (int i = 0; i < 4; i++) {

this->mesh.addColor(color);

}

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

void ofApp::draw() {

this->mesh.draw();

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/Insta20240808

2024年8月7日

Ameba.

[ Video ]

[ About ]
アメーバ。

[ 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) {};

	ofMesh mesh;
};

#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) {};

ofMesh mesh;

};

#include "ofApp.h"

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

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

	ofBackground(239);
}

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

	this->mesh.clear();

	float span = 0.5;
	for (float noise_param = 0; noise_param < 1.1; noise_param += 0.1) {

		for (float x = 20; x <= 700; x += span) {

			for (float y = 20; y <= 700; y += span) {

				float noise_value = ofNoise(x * 0.008, y * 0.008, ofGetFrameNum() * 0.025, ofGetFrameNum() * 0.0025);
				if (noise_value >= noise_param - 0.025 && noise_value <= noise_param + 0.025) {

					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);

					ofColor color(ofMap(noise_param, 0, 1, 39, 239));
					for (int i = 0; i < 4; i++) {

						this->mesh.addColor(color);
					}
				}
			}
		}
	}
}

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

	this->mesh.draw();

	/*
	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());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

}

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

void ofApp::update() {

this->mesh.clear();

float span = 0.5;

for (float noise_param = 0; noise_param < 1.1; noise_param += 0.1) {

for (float x = 20; x <= 700; x += span) {

for (float y = 20; y <= 700; y += span) {

float noise_value = ofNoise(x * 0.008, y * 0.008, ofGetFrameNum() * 0.025, ofGetFrameNum() * 0.0025);

if (noise_value >= noise_param - 0.025 && noise_value <= noise_param + 0.025) {

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);

ofColor color(ofMap(noise_param, 0, 1, 39, 239));

for (int i = 0; i < 4; i++) {

this->mesh.addColor(color);

}

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

void ofApp::draw() {

this->mesh.draw();

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/Insta20240807

2024年8月6日

Arrows chain.

[ Video ]

[ About ]
矢印チェイン。

[ 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) {};

	void draw_arrow(glm::vec2 location, glm::vec2 target, float size, ofColor color);
};

#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) {};

void draw_arrow(glm::vec2 location, glm::vec2 target, float size, ofColor color);

};

#include "ofApp.h"

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

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

	ofBackground(39);
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

	auto noise_seed = ofRandom(1000);
	int radius_span = 60;
	for (int radius = 0; radius <= 600; radius += radius_span) {

		vector<glm::vec2> vertices;
		for (int deg = 0; deg < 360; deg += 120) {

			auto noise_deg_1 = ofMap(ofNoise(noise_seed, radius * 0.001 - ofGetFrameNum() * 0.005), 0, 1, -270, 270);
			auto noise_deg_2 = ofMap(ofNoise(noise_seed, (radius + radius_span) * 0.001 - ofGetFrameNum() * 0.005), 0, 1, -270, 270);

			auto location_1 = glm::vec2(radius * cos((deg + noise_deg_1) * DEG_TO_RAD), radius * sin((deg + noise_deg_1) * DEG_TO_RAD));
			auto location_2 = glm::vec2((radius + radius_span) * cos((deg + noise_deg_2) * DEG_TO_RAD), (radius + radius_span) * sin((deg + noise_deg_2) * DEG_TO_RAD));

			this->draw_arrow(location_2, location_1, 18, ofColor(255));

			vertices.push_back(location_1);
		}

		/*
		ofNoFill();
		ofSetLineWidth(0.75);
		ofSetColor(139);

		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);
		*/
	}

	/*
	int start = 275;
	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);
		}
	}
	*/
}

//--------------------------------------------------------------
void ofApp::draw_arrow(glm::vec2 location, glm::vec2 target, float size, ofColor color) {

	auto angle = std::atan2(target.y - location.y, target.x - location.x);
	auto translate_location = target - glm::vec2(size * 1.5 * cos(angle), size * 1.5 * sin(angle));
	auto distance = glm::distance(translate_location, location);

	ofPushMatrix();
	ofTranslate(translate_location);

	ofSetColor(color);
	ofFill();
	ofBeginShape();
	ofVertex(glm::vec2(size * cos(angle), size * sin(angle)));
	ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)));
	ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)));
	ofEndShape();

	ofBeginShape();
	ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)) * 0.25);
	ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(distance * cos(angle), distance * sin(angle)));
	ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(distance * cos(angle), distance * sin(angle)));
	ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)) * 0.25);

	ofEndShape();

	ofPopMatrix();

	ofDrawCircle(location, 5);
}

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

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

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105

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(39);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

auto noise_seed = ofRandom(1000);

int radius_span = 60;

for (int radius = 0; radius <= 600; radius += radius_span) {

vector<glm::vec2> vertices;

for (int deg = 0; deg < 360; deg += 120) {

auto noise_deg_1 = ofMap(ofNoise(noise_seed, radius * 0.001 - ofGetFrameNum() * 0.005), 0, 1, -270, 270);

auto noise_deg_2 = ofMap(ofNoise(noise_seed, (radius + radius_span) * 0.001 - ofGetFrameNum() * 0.005), 0, 1, -270, 270);

auto location_1 = glm::vec2(radius * cos((deg + noise_deg_1) * DEG_TO_RAD), radius * sin((deg + noise_deg_1) * DEG_TO_RAD));

auto location_2 = glm::vec2((radius + radius_span) * cos((deg + noise_deg_2) * DEG_TO_RAD), (radius + radius_span) * sin((deg + noise_deg_2) * DEG_TO_RAD));

this->draw_arrow(location_2, location_1, 18, ofColor(255));

vertices.push_back(location_1);

}

ofNoFill();

ofSetLineWidth(0.75);

ofSetColor(139);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

int start = 275;

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);

}

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

void ofApp::draw_arrow(glm::vec2 location, glm::vec2 target, float size, ofColor color) {

auto angle = std::atan2(target.y - location.y, target.x - location.x);

auto translate_location = target - glm::vec2(size * 1.5 * cos(angle), size * 1.5 * sin(angle));

auto distance = glm::distance(translate_location, location);

ofPushMatrix();

ofTranslate(translate_location);

ofSetColor(color);

ofFill();

ofBeginShape();

ofVertex(glm::vec2(size * cos(angle), size * sin(angle)));

ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)));

ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)));

ofEndShape();

ofBeginShape();

ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)) * 0.25);

ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(distance * cos(angle), distance * sin(angle)));

ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(distance * cos(angle), distance * sin(angle)));

ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)) * 0.25);

ofEndShape();

ofPopMatrix();

ofDrawCircle(location, 5);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240806

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