circle – ページ 30 – プログラミング de 落描き

2022年8月1日

Connect circles. Draw by openFrameworks

[ Video ]

[ About ]
円をつなぐ。

[ 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) {};
};

#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) {};

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(0);
	ofSetColor(200);
	ofNoFill();
	ofSetCircleResolution(60);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	auto span = 10;
	for (auto radius = 150; radius <= 450; radius += 50) {

		auto small_radius = (radius * 2 * 3.14) / 360 * span;
		for (auto deg = 0; deg < 360; deg += span * 1.5) {

			auto base_location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			ofNoFill();
			ofDrawCircle(base_location, 10);
			ofFill();
			ofDrawCircle(base_location, 5);

			ofSeedRandom(39);
			for (auto i = 0; i < 3; i++) {

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

				auto noise_radius = ofMap(ofNoise(noise_seed.x, base_location.x * 0.05, ofGetFrameNum() * 0.005), 0, 1, 0, small_radius);
				auto noise_deg = ofMap(ofNoise(noise_seed.y, base_location.y * 0.05, ofGetFrameNum() * 0.005), 0, 1, -360, 360);

				auto noise_location = glm::vec2(noise_radius * cos(noise_deg * DEG_TO_RAD), noise_radius * sin(noise_deg * DEG_TO_RAD));

				ofNoFill();
				ofDrawCircle(base_location + noise_location, 5);
				ofFill();
				ofDrawCircle(base_location + noise_location, 2);
				ofDrawLine(base_location, base_location + noise_location);
			}
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetColor(200);

ofNoFill();

ofSetCircleResolution(60);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

auto span = 10;

for (auto radius = 150; radius <= 450; radius += 50) {

auto small_radius = (radius * 2 * 3.14) / 360 * span;

for (auto deg = 0; deg < 360; deg += span * 1.5) {

auto base_location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

ofNoFill();

ofDrawCircle(base_location, 10);

ofFill();

ofDrawCircle(base_location, 5);

ofSeedRandom(39);

for (auto i = 0; i < 3; i++) {

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

auto noise_radius = ofMap(ofNoise(noise_seed.x, base_location.x * 0.05, ofGetFrameNum() * 0.005), 0, 1, 0, small_radius);

auto noise_deg = ofMap(ofNoise(noise_seed.y, base_location.y * 0.05, ofGetFrameNum() * 0.005), 0, 1, -360, 360);

auto noise_location = glm::vec2(noise_radius * cos(noise_deg * DEG_TO_RAD), noise_radius * sin(noise_deg * DEG_TO_RAD));

ofNoFill();

ofDrawCircle(base_location + noise_location, 5);

ofFill();

ofDrawCircle(base_location + noise_location, 2);

ofDrawLine(base_location, base_location + noise_location);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220801

2022年7月27日

Flower. Draw by openFrameworks

[ Video ]

[ About ]
花。

[ 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) {};

	ofMesh mesh;
	vector<float> noise_seed_list;
	vector<float> noise_param_list;
	vector<ofColor> color_list;
};

#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) {};

ofMesh mesh;

vector<float> noise_seed_list;

vector<float> noise_param_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(0);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

	ofColor color;
	for (int i = 0; i < 20; i++) {

		this->noise_seed_list.push_back(ofRandom(1000));
		this->noise_param_list.push_back(0);

		color.setHsb(ofMap(i, 0, 20, 0, 255), 255, 255);
		this->color_list.push_back(color);
	}
}

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

	this->mesh.clear();

	int span = 28;
	for (int i = 0; i < this->noise_seed_list.size(); i++) {

		int radius = (ofGetFrameNum() * 3 + i * 30) % 600 + 30;

		for (int deg = 0; deg < 360; deg += 3) {

			auto noise_location = glm::vec2(320 * cos(deg * DEG_TO_RAD), 320 * sin(deg * DEG_TO_RAD));
			auto noise_param = ofMap(ofNoise(this->noise_seed_list[i], noise_location.x * 0.005, noise_location.y * 0.005, this->noise_param_list[i]), 0, 1, 0.35, 1);

			this->mesh.addVertex(glm::vec3(radius * noise_param * cos(deg * DEG_TO_RAD), radius * noise_param * sin(deg * DEG_TO_RAD), 0));
			this->mesh.addColor(ofColor(this->color_list[i], 0));
		}

		this->noise_param_list[i] += 0.001;
	}

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

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

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

				auto alpha = distance < span * 0.25 ? 255 : ofMap(distance, span * 0.25, span, 255, 0);

				if (this->mesh.getColor(i).a < alpha) {

					this->mesh.setColor(i, ofColor(this->mesh.getColor(i), alpha));
				}

				if (this->mesh.getColor(k).a < alpha) {

					this->mesh.setColor(k, ofColor(this->mesh.getColor(k), alpha));
				}

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

}

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

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

	this->mesh.drawWireframe();

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

		ofSetColor(this->mesh.getColor(i));
		ofDrawCircle(this->mesh.getVertex(i), 1.85);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

ofColor color;

for (int i = 0; i < 20; i++) {

this->noise_seed_list.push_back(ofRandom(1000));

this->noise_param_list.push_back(0);

color.setHsb(ofMap(i, 0, 20, 0, 255), 255, 255);

this->color_list.push_back(color);

}

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

void ofApp::update() {

this->mesh.clear();

int span = 28;

for (int i = 0; i < this->noise_seed_list.size(); i++) {

int radius = (ofGetFrameNum() * 3 + i * 30) % 600 + 30;

for (int deg = 0; deg < 360; deg += 3) {

auto noise_location = glm::vec2(320 * cos(deg * DEG_TO_RAD), 320 * sin(deg * DEG_TO_RAD));

auto noise_param = ofMap(ofNoise(this->noise_seed_list[i], noise_location.x * 0.005, noise_location.y * 0.005, this->noise_param_list[i]), 0, 1, 0.35, 1);

this->mesh.addVertex(glm::vec3(radius * noise_param * cos(deg * DEG_TO_RAD), radius * noise_param * sin(deg * DEG_TO_RAD), 0));

this->mesh.addColor(ofColor(this->color_list[i], 0));

}

this->noise_param_list[i] += 0.001;

}

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

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

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

if (distance < span) {

auto alpha = distance < span * 0.25 ? 255 : ofMap(distance, span * 0.25, span, 255, 0);

if (this->mesh.getColor(i).a < alpha) {

this->mesh.setColor(i, ofColor(this->mesh.getColor(i), alpha));

}

if (this->mesh.getColor(k).a < alpha) {

this->mesh.setColor(k, ofColor(this->mesh.getColor(k), alpha));

}

this->mesh.addIndex(i);

this->mesh.addIndex(k);

}

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

void ofApp::draw() {

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

this->mesh.drawWireframe();

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

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

ofDrawCircle(this->mesh.getVertex(i), 1.85);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220727

2022年7月24日

Blurred light. Draw by openFrameworks

[ Video ]

[ About ]
ボケた光。

[ 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) {};
};

#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) {};

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(0);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	ofColor color;
	for (int i = 0; i < 450; i++) {

		auto deg = ofRandom(360) + ofGetFrameNum() * ofRandom(0.2, 0.8) * (i % 2 == 0 ? 1 : -1);
		auto radius = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 150, 300);
		auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		auto size = ofRandom(10, 20);
		color.setHsb(ofRandom(255), 255, 255);

		ofFill();
		ofSetColor(color, 128);
		ofDrawCircle(location, size);

		ofNoFill();
		ofSetColor(color);
		ofDrawCircle(location, size);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofColor color;

for (int i = 0; i < 450; i++) {

auto deg = ofRandom(360) + ofGetFrameNum() * ofRandom(0.2, 0.8) * (i % 2 == 0 ? 1 : -1);

auto radius = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 150, 300);

auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

auto size = ofRandom(10, 20);

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

ofFill();

ofSetColor(color, 128);

ofDrawCircle(location, size);

ofNoFill();

ofSetColor(color);

ofDrawCircle(location, size);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220724

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