circle – ページ 36 – プログラミング de 落描き

2022年5月17日

Tornado circle. Draw by openFrameworks

[ Video ]

[ About ]
伸び縮みする円。

A circle that expands and contracts.

[ 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(255);
	ofSetColor(0);
	ofNoFill();
	ofSetLineWidth(2);
}

//--------------------------------------------------------------
void ofApp::update() {
	
	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	auto max_loop = 5;
	auto max_radius = 480;
	for (int deg_start = 0; deg_start < 360; deg_start += 45) {

		auto loop = ofMap(ofNoise(cos(deg_start * DEG_TO_RAD) * 0.2, sin(deg_start * DEG_TO_RAD) * 0.2, ofGetFrameNum() * 0.01), 0, 1, -1.5, max_loop);

		ofBeginShape();
		for (int deg = deg_start; deg <= deg_start + 360 * loop; deg++) {

			auto radius = ofMap(deg, deg_start, deg_start + 360 * max_loop, 50, max_radius);
			auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

			ofVertex(location);

			if (deg == deg_start) {

				ofFill();
				ofDrawCircle(location, 3);
				ofNoFill();
			}
		}
		ofEndShape();
	}
}


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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

ofSetColor(0);

ofNoFill();

ofSetLineWidth(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

auto max_loop = 5;

auto max_radius = 480;

for (int deg_start = 0; deg_start < 360; deg_start += 45) {

auto loop = ofMap(ofNoise(cos(deg_start * DEG_TO_RAD) * 0.2, sin(deg_start * DEG_TO_RAD) * 0.2, ofGetFrameNum() * 0.01), 0, 1, -1.5, max_loop);

ofBeginShape();

for (int deg = deg_start; deg <= deg_start + 360 * loop; deg++) {

auto radius = ofMap(deg, deg_start, deg_start + 360 * max_loop, 50, max_radius);

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

ofVertex(location);

if (deg == deg_start) {

ofFill();

ofDrawCircle(location, 3);

ofNoFill();

}

ofEndShape();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220517

2022年5月3日

Connection point. Draw by openFrameworks

[ Video ]

[ About ]
半径の長さで生成数を変える。

Change the number of products generated by the length of the radius.

[ 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) {};

	vector<glm::vec2> location_list;
	vector<float> life_list;
	vector<float> life_speed_list;
	vector<float> life_span_list;

	ofMesh line;
};

#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) {};

vector<glm::vec2> location_list;

vector<float> life_list;

vector<float> life_speed_list;

vector<float> life_span_list;

ofMesh line;

};

#include "ofApp.h"

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

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

	ofBackground(255);
	ofSetColor(0);
	ofSetLineWidth(1.5);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

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

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

	for (int i = this->location_list.size() - 1; i >= 0; i--) {

		this->life_list[i] += this->life_speed_list[i];
		if (this->life_list[i] > this->life_span_list[i]) {

			this->location_list.erase(this->location_list.begin() + i);
			this->life_list.erase(this->life_list.begin() + i);
			this->life_speed_list.erase(this->life_speed_list.begin() + i);
			this->life_span_list.erase(this->life_span_list.begin() + i);
		}
	}
	
	for (int i = 0; i < 2; i++) {

		int random_radius = ((ofGetFrameNum() * 4 + i * 320) % 640) + ofRandom(-10, 10);
		int loop_count = random_radius < 120 ? ofMap(random_radius, 0, 120, 0, 10) : ofMap(random_radius, 120, 640, 10, 120);
		for (int k = 0; k < loop_count; k++) {

			int random_deg = ofRandom(360);

			auto location = glm::vec2(random_radius * cos(random_deg * DEG_TO_RAD), random_radius * sin(random_deg * DEG_TO_RAD));
			this->location_list.push_back(location);
			this->life_list.push_back(1);
			this->life_speed_list.push_back(ofRandom(0.2, 1.5));
			this->life_span_list.push_back(ofRandom(5, 30));
		}
	}

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

		this->line.addVertex(glm::vec3(this->location_list[i], 0));
		this->line.addColor(ofColor(0, ofMap(this->life_list[i], 1, this->life_span_list[i], 255, 30)));
	}

	for (int i = 0; i < this->line.getNumVertices(); i++) {
		
		for (int k = i + 1; k < this->line.getNumVertices(); k++) {

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

			if (distance < 30) {

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

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

	ofTranslate(ofGetWindowSize() * 0.5);

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

		ofNoFill();
		ofDrawRectangle(this->location_list[i], 10, 10);

		ofFill();
		ofDrawCircle(this->location_list[i], 3);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(255);

ofSetColor(0);

ofSetLineWidth(1.5);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

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

}

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

void ofApp::update() {

for (int i = this->location_list.size() - 1; i >= 0; i--) {

this->life_list[i] += this->life_speed_list[i];

if (this->life_list[i] > this->life_span_list[i]) {

this->location_list.erase(this->location_list.begin() + i);

this->life_list.erase(this->life_list.begin() + i);

this->life_speed_list.erase(this->life_speed_list.begin() + i);

this->life_span_list.erase(this->life_span_list.begin() + i);

}

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

int random_radius = ((ofGetFrameNum() * 4 + i * 320) % 640) + ofRandom(-10, 10);

int loop_count = random_radius < 120 ? ofMap(random_radius, 0, 120, 0, 10) : ofMap(random_radius, 120, 640, 10, 120);

for (int k = 0; k < loop_count; k++) {

int random_deg = ofRandom(360);

auto location = glm::vec2(random_radius * cos(random_deg * DEG_TO_RAD), random_radius * sin(random_deg * DEG_TO_RAD));

this->location_list.push_back(location);

this->life_list.push_back(1);

this->life_speed_list.push_back(ofRandom(0.2, 1.5));

this->life_span_list.push_back(ofRandom(5, 30));

}

this->line.clear();

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

this->line.addVertex(glm::vec3(this->location_list[i], 0));

this->line.addColor(ofColor(0, ofMap(this->life_list[i], 1, this->life_span_list[i], 255, 30)));

}

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

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

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

if (distance < 30) {

this->line.addIndex(i);

this->line.addIndex(k);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

this->line.drawWireframe();

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

ofNoFill();

ofDrawRectangle(this->location_list[i], 10, 10);

ofFill();

ofDrawCircle(this->location_list[i], 3);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220503

2022年5月2日

Add line and color. Draw by openFrameworks

[ Video ]

[ About ]
線と色を追加する。

Add line and color.

[ 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) {};

	vector<glm::vec2> location_list;
	vector<float> radius_list;
	vector<float> speed_list;
	vector<float> max_radius_list;
	vector<ofColor> color_list;

	ofMesh line;
};

#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) {};

vector<glm::vec2> location_list;

vector<float> radius_list;

vector<float> speed_list;

vector<float> max_radius_list;

vector<ofColor> color_list;

ofMesh line;

};

#include "ofApp.h"

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

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

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

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

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

	for (int i = this->location_list.size() - 1; i >= 0; i--) {

		this->radius_list[i] += this->speed_list[i];

		if (this->radius_list[i] > this->max_radius_list[i]) {

			this->location_list.erase(this->location_list.begin() + i);
			this->radius_list.erase(this->radius_list.begin() + i);
			this->speed_list.erase(this->speed_list.begin() + i);
			this->max_radius_list.erase(this->max_radius_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);
		}
	}

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

		ofColor color;
		for (int k = 0; k < 12; k++) {

			int random_deg = ofRandom(360);
			int random_radius = ((ofGetFrameNum() * 2 + i * 210) % 420 + 60) + ofRandom(-10, 10);

			auto location = glm::vec2(random_radius * cos(random_deg * DEG_TO_RAD), random_radius * sin(random_deg * DEG_TO_RAD));
			this->location_list.push_back(location);
			this->radius_list.push_back(1);
			this->speed_list.push_back(ofRandom(0.2, 1.5));
			this->max_radius_list.push_back(ofRandom(5, 30));

			color.setHsb(ofRandom(255), 255, 255);
			this->color_list.push_back(color);
		}
	}

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

		this->line.addVertex(glm::vec3(this->location_list[i], 0));
		this->line.addColor(ofColor(this->color_list[i], ofMap(this->radius_list[i], 1, this->max_radius_list[i], 255, 30)));
	}

	for (int i = 0; i < this->line.getNumVertices(); i++) {
		
		for (int k = i + 1; k < this->line.getNumVertices(); k++) {

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

			if (distance < 30) {

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

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

	ofTranslate(ofGetWindowSize() * 0.5);

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

		ofNoFill();
		ofSetColor(this->color_list[i], ofMap(this->radius_list[i], 1, this->max_radius_list[i], 255, 30));
		ofDrawCircle(this->location_list[i], this->radius_list[i]);

		ofFill();
		ofDrawCircle(this->location_list[i], 3);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

}

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

void ofApp::update() {

for (int i = this->location_list.size() - 1; i >= 0; i--) {

this->radius_list[i] += this->speed_list[i];

if (this->radius_list[i] > this->max_radius_list[i]) {

this->location_list.erase(this->location_list.begin() + i);

this->radius_list.erase(this->radius_list.begin() + i);

this->speed_list.erase(this->speed_list.begin() + i);

this->max_radius_list.erase(this->max_radius_list.begin() + i);

this->color_list.erase(this->color_list.begin() + i);

}

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

ofColor color;

for (int k = 0; k < 12; k++) {

int random_deg = ofRandom(360);

int random_radius = ((ofGetFrameNum() * 2 + i * 210) % 420 + 60) + ofRandom(-10, 10);

auto location = glm::vec2(random_radius * cos(random_deg * DEG_TO_RAD), random_radius * sin(random_deg * DEG_TO_RAD));

this->location_list.push_back(location);

this->radius_list.push_back(1);

this->speed_list.push_back(ofRandom(0.2, 1.5));

this->max_radius_list.push_back(ofRandom(5, 30));

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

this->color_list.push_back(color);

}

this->line.clear();

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

this->line.addVertex(glm::vec3(this->location_list[i], 0));

this->line.addColor(ofColor(this->color_list[i], ofMap(this->radius_list[i], 1, this->max_radius_list[i], 255, 30)));

}

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

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

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

if (distance < 30) {

this->line.addIndex(i);

this->line.addIndex(k);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

this->line.drawWireframe();

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

ofNoFill();

ofSetColor(this->color_list[i], ofMap(this->radius_list[i], 1, this->max_radius_list[i], 255, 30));

ofDrawCircle(this->location_list[i], this->radius_list[i]);

ofFill();

ofDrawCircle(this->location_list[i], 3);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220502

月	火	水	木	金	土	日
			1	2	3	4
5	6	7	8	9	10	11
12	13	14	15	16	17	18
19	20	21	22	23	24	25
26	27	28	29	30	31