プログラミング de 落描き – ページ 298 – 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5月18日

Heartful. Draw by openFrameworks

[ Video ]

[ About ]
ハートフル。

[ 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::vec2 make_point(float theta);

	float random_seed;
};

#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::vec2 make_point(float theta);

float random_seed;

};

#include "ofApp.h"	

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(39);
	ofSetLineWidth(3);
}

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

	if (ofGetFrameNum() % 90 == 0) {

		this->random_seed = ofRandom(1000);
	}

	ofSeedRandom(this->random_seed);
}

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

	ofColor color;
	for (int i = 0; i < 360; i++) {

		auto location = glm::vec2(ofRandom(0, ofGetWindowWidth()), ofRandom(0, ofGetWindowHeight()));
		location += glm::vec2(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -30, 30), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -30, 30));
		auto scale = ofRandom(3, 8);
		color.setHsb(ofRandom(255), 80, 255);

		ofPushMatrix();
		ofTranslate(location);
		ofRotate(ofRandom(-45, 45));

		ofFill();
		ofSetColor(color);
		ofBeginShape();
		for (int deg = 0; deg < 360; deg++) {

			ofVertex(this->make_point(deg * DEG_TO_RAD) * scale);
		}
		ofEndShape(true);

		color.setSaturation(255);

		ofNoFill();
		ofSetColor(color);
		ofBeginShape();
		for (int deg = 0; deg < 360; deg++) {

			ofVertex(this->make_point(deg * DEG_TO_RAD) * scale);
		}
		ofEndShape(true);

		ofPopMatrix();
	}
}

//--------------------------------------------------------------
// Reference by https://twitter.com/shiffman/status/1095764239665512453
glm::vec2 ofApp::make_point(float theta) {

	float x = 16 * (pow(sin(theta), 3));
	float y = 13 * cos(theta) - 5 * cos(2 * theta) - 2 * cos(3 * theta) - cos(4 * theta);
	return glm::vec2(x, -y);
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetLineWidth(3);

}

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

void ofApp::update() {

if (ofGetFrameNum() % 90 == 0) {

this->random_seed = ofRandom(1000);

}

ofSeedRandom(this->random_seed);

}

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

void ofApp::draw() {

ofColor color;

for (int i = 0; i < 360; i++) {

auto location = glm::vec2(ofRandom(0, ofGetWindowWidth()), ofRandom(0, ofGetWindowHeight()));

location += glm::vec2(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -30, 30), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -30, 30));

auto scale = ofRandom(3, 8);

color.setHsb(ofRandom(255), 80, 255);

ofPushMatrix();

ofTranslate(location);

ofRotate(ofRandom(-45, 45));

ofFill();

ofSetColor(color);

ofBeginShape();

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

ofVertex(this->make_point(deg * DEG_TO_RAD) * scale);

}

ofEndShape(true);

color.setSaturation(255);

ofNoFill();

ofSetColor(color);

ofBeginShape();

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

ofVertex(this->make_point(deg * DEG_TO_RAD) * scale);

}

ofEndShape(true);

ofPopMatrix();

}

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

// Reference by https://twitter.com/shiffman/status/1095764239665512453

glm::vec2 ofApp::make_point(float theta) {

float x = 16 * (pow(sin(theta), 3));

float y = 13 * cos(theta) - 5 * cos(2 * theta) - 2 * cos(3 * theta) - cos(4 * theta);

return glm::vec2(x, -y);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230518

2023年5月17日

Harts. Draw by openFrameworks

[ Video ]

[ About ]
ハートたち。

[ 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::vec2 make_point(float theta);

	ofMesh frame;
};

#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::vec2 make_point(float theta);

ofMesh frame;

};

#include "ofApp.h"	

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

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

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

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

	ofSeedRandom(39);

	this->frame.clear();

	float scale = 18;
	ofColor color;

	for (int i = 0; i < 1; i++) {

		auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));
		for (int deg = 0; deg < 360; deg += 1) {

			auto location = glm::vec3(this->make_point(deg * DEG_TO_RAD) * scale, 0);
			location.x += ofMap(ofNoise(noise_seed.x, location.x * 0.5, ofGetFrameNum() * 0.0085), 0, 1, -30, 30);
			location.y += ofMap(ofNoise(noise_seed.y, location.y * 0.5, ofGetFrameNum() * 0.0085), 0, 1, -30, 30);

			this->frame.addVertex(location);

			color.setHsb(ofRandom(255), 255, 255);
			this->frame.addColor(color);
		}
	}

	for (int i = 0; i < this->frame.getNumVertices(); i++) {

		for (int k = i + 1; k < this->frame.getNumVertices(); k++) {

			auto distance = glm::distance(this->frame.getVertex(i), this->frame.getVertex(k));
			if (distance < 15) {

				this->frame.addIndex(i); this->frame.addIndex(k);
			}
		}
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5 + glm::vec2(0, -30));

	this->frame.drawVertices();

	for (int i = 0; i < this->frame.getNumVertices(); i++) {

		ofPushMatrix();
		ofTranslate(this->frame.getVertex(i));
		ofRotate(ofRandom(360));

		auto scale = ofRandom(0.5, 1.5);

		ofFill();
		ofSetColor(this->frame.getColor(i), 92);
		ofBeginShape();
		for (int deg = 0; deg < 360; deg += 2) {

			ofVertex(this->make_point(deg * DEG_TO_RAD) * scale);
		}
		ofEndShape(true);

		ofNoFill();
		ofSetColor(this->frame.getColor(i));
		ofBeginShape();
		for (int deg = 0; deg < 360; deg += 2) {

			ofVertex(this->make_point(deg * DEG_TO_RAD) * scale);
		}
		ofEndShape(true);

		ofPopMatrix();
	}
}

//--------------------------------------------------------------
// Reference by https://twitter.com/shiffman/status/1095764239665512453
glm::vec2 ofApp::make_point(float theta) {

	float x = 16 * (pow(sin(theta), 3));
	float y = 13 * cos(theta) - 5 * cos(2 * theta) - 2 * cos(3 * theta) - cos(4 * theta);
	return glm::vec2(x, -y);
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->frame.clear();

float scale = 18;

ofColor color;

for (int i = 0; i < 1; i++) {

auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

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

auto location = glm::vec3(this->make_point(deg * DEG_TO_RAD) * scale, 0);

location.x += ofMap(ofNoise(noise_seed.x, location.x * 0.5, ofGetFrameNum() * 0.0085), 0, 1, -30, 30);

location.y += ofMap(ofNoise(noise_seed.y, location.y * 0.5, ofGetFrameNum() * 0.0085), 0, 1, -30, 30);

this->frame.addVertex(location);

color.setHsb(ofRandom(255), 255, 255);

this->frame.addColor(color);

}

for (int i = 0; i < this->frame.getNumVertices(); i++) {

for (int k = i + 1; k < this->frame.getNumVertices(); k++) {

auto distance = glm::distance(this->frame.getVertex(i), this->frame.getVertex(k));

if (distance < 15) {

this->frame.addIndex(i); this->frame.addIndex(k);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5 + glm::vec2(0, -30));

this->frame.drawVertices();

for (int i = 0; i < this->frame.getNumVertices(); i++) {

ofPushMatrix();

ofTranslate(this->frame.getVertex(i));

ofRotate(ofRandom(360));

auto scale = ofRandom(0.5, 1.5);

ofFill();

ofSetColor(this->frame.getColor(i), 92);

ofBeginShape();

for (int deg = 0; deg < 360; deg += 2) {

ofVertex(this->make_point(deg * DEG_TO_RAD) * scale);

}

ofEndShape(true);

ofNoFill();

ofSetColor(this->frame.getColor(i));

ofBeginShape();

for (int deg = 0; deg < 360; deg += 2) {

ofVertex(this->make_point(deg * DEG_TO_RAD) * scale);

}

ofEndShape(true);

ofPopMatrix();

}

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

// Reference by https://twitter.com/shiffman/status/1095764239665512453

glm::vec2 ofApp::make_point(float theta) {

float x = 16 * (pow(sin(theta), 3));

float y = 13 * cos(theta) - 5 * cos(2 * theta) - 2 * cos(3 * theta) - cos(4 * theta);

return glm::vec2(x, -y);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230517

2023年5月16日

Circles. Draw by openFrameworks

[ Video ]

[ About ]
円ず。

[ 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(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(39);
	ofSetLineWidth(2);
	ofNoFill();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(0, 360);

	auto span = 30;
	ofColor color;
	for (int base_y = 0; base_y < 720; base_y += 180) {

		color.setHsb(ofMap(base_y, 0, 720, 0, 255), 255, 255);
		for (int x = 0; x <= 720; x += span) {

			for (int i = 0; i < 5; i++) {

				auto y = ofMap(ofNoise(base_y * 0.003, x * 0.003 + (ofGetFrameNum() - i * 2) * 0.008), 0, 1, -300, 300);
				auto radius = ofMap(i, 0, 5, span * 0.8, span * 0.01);

				ofSetColor(color, ofMap(i, 0, 5, 255, 0));
				ofDrawCircle(x, y, radius);
			}
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetLineWidth(2);

ofNoFill();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(0, 360);

auto span = 30;

ofColor color;

for (int base_y = 0; base_y < 720; base_y += 180) {

color.setHsb(ofMap(base_y, 0, 720, 0, 255), 255, 255);

for (int x = 0; x <= 720; x += span) {

for (int i = 0; i < 5; i++) {

auto y = ofMap(ofNoise(base_y * 0.003, x * 0.003 + (ofGetFrameNum() - i * 2) * 0.008), 0, 1, -300, 300);

auto radius = ofMap(i, 0, 5, span * 0.8, span * 0.01);

ofSetColor(color, ofMap(i, 0, 5, 255, 0));

ofDrawCircle(x, y, radius);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230516

2025年10月
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