circle – ページ 6 – プログラミング de 落描き

2023年7月14日2023年7月13日

Mesh circle. Draw by openframeworks

[ Video ]

[ About ]
メッシュな円。

[ 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(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(0);
	ofSetLineWidth(2);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

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

	ofColor color;
	for (int k = 0; k < 10; k++) {

		ofRotate(10);

		color.setHsb(ofMap(k, 0, 10, 0, 255), 180, 255);
		ofSetColor(color);
		
		vector<glm::vec2> vertices;
		for (int i = 0; i < 60; i++) {

			auto radius = ofMap(sin((ofGetFrameNum() + i) * 0.314 * 0.75), -1, 1, 200, 300);
			auto deg = (ofGetFrameNum() + i) * 4;
			auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

			vertices.push_back(location);
		}

		ofNoFill();
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape();

		ofFill();
		ofDrawCircle(vertices[0], 3);
		ofDrawCircle(vertices[vertices.size() - 1], 3);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetLineWidth(2);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

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

ofColor color;

for (int k = 0; k < 10; k++) {

ofRotate(10);

color.setHsb(ofMap(k, 0, 10, 0, 255), 180, 255);

ofSetColor(color);

vector<glm::vec2> vertices;

for (int i = 0; i < 60; i++) {

auto radius = ofMap(sin((ofGetFrameNum() + i) * 0.314 * 0.75), -1, 1, 200, 300);

auto deg = (ofGetFrameNum() + i) * 4;

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

vertices.push_back(location);

}

ofNoFill();

ofBeginShape();

ofVertices(vertices);

ofEndShape();

ofFill();

ofDrawCircle(vertices[0], 3);

ofDrawCircle(vertices[vertices.size() - 1], 3);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230714

2023年7月11日

Beautiful Circles. Draw by openFrameworks

[ Video ]

[ About ]
綺麗な輪。

[ 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) {};

	float radius;

	vector<glm::vec2> base_location_list;
	vector<ofColor> color_list;
	vector<vector<glm::vec2>> log_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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

float radius;

vector<glm::vec2> base_location_list;

vector<ofColor> color_list;

vector<vector<glm::vec2>> log_list;

};

#include "ofApp.h"	

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

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

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

	this->radius = 280;
	ofColor color;
	for (int i = 0; i < 8; i++) {

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

			auto location = glm::vec2(this->radius * cos(deg * DEG_TO_RAD), this->radius * sin(deg * DEG_TO_RAD));
			this->base_location_list.push_back(location);

			color.setHsb(ofMap(i, 0, 8, 0, 255), 200, 255, 92);
			this->color_list.push_back(color);
		}
	}
}

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

	this->log_list.clear();

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

		vector<glm::vec2> log;
		log.push_back(this->base_location_list[i]);
		this->log_list.push_back(log);
	}

	int step = 5;
	for (int i = 0; i < this->log_list.size(); i++) {

		int k = 0;
		while (true) {

			auto deg = ofMap(ofNoise(glm::vec4(this->color_list[i].getHue(), this->log_list[i].back() * 0.0005, ofGetFrameNum() * 0.01 + k * 0.003)), 0, 1, -90, 90);
			auto next = this->log_list[i].back() + glm::vec2(step * cos(deg * DEG_TO_RAD), step * sin(deg * DEG_TO_RAD));

			if (glm::distance(glm::vec2(0, 0), next) < this->radius) {

				this->log_list[i].push_back(next);
			}
			else {

				break;
			}

			k++;
		}
	}
}

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

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

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

		ofRotate(2);

		if (glm::distance(this->log_list[i][0], this->log_list[i][this->log_list[i].size() - 1]) > this->radius * 1) {

			continue;
		}

		ofSetColor(this->color_list[i]);

		ofBeginShape();
		ofVertices(this->log_list[i]);
		ofEndShape();
	}
}

//--------------------------------------------------------------
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);

ofNoFill();

this->radius = 280;

ofColor color;

for (int i = 0; i < 8; i++) {

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

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

this->base_location_list.push_back(location);

color.setHsb(ofMap(i, 0, 8, 0, 255), 200, 255, 92);

this->color_list.push_back(color);

}

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

void ofApp::update() {

this->log_list.clear();

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

vector<glm::vec2> log;

log.push_back(this->base_location_list[i]);

this->log_list.push_back(log);

}

int step = 5;

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

int k = 0;

while (true) {

auto deg = ofMap(ofNoise(glm::vec4(this->color_list[i].getHue(), this->log_list[i].back() * 0.0005, ofGetFrameNum() * 0.01 + k * 0.003)), 0, 1, -90, 90);

auto next = this->log_list[i].back() + glm::vec2(step * cos(deg * DEG_TO_RAD), step * sin(deg * DEG_TO_RAD));

if (glm::distance(glm::vec2(0, 0), next) < this->radius) {

this->log_list[i].push_back(next);

}

else {

break;

}

k++;

}

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

void ofApp::draw() {

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

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

ofRotate(2);

if (glm::distance(this->log_list[i][0], this->log_list[i][this->log_list[i].size() - 1]) > this->radius * 1) {

continue;

}

ofSetColor(this->color_list[i]);

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230711

2023年7月9日2023年7月9日

Eyesight test. Draw by openFrameworks

[ Video ]

[ About ]
視力検査。

[ 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(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(39);
	ofSetColor(239);
	
	ofSetLineWidth(3);
	ofNoFill();
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	int span = 60;
	for (int x = -300; x <= 300; x += span) {

		for (int y = -300; y <= 300; y += span) {

			ofPushMatrix();
			ofTranslate(x, y);

			int deg = ofMap(ofNoise(x * 0.0005, y * 0.0005, ofGetFrameNum() * 0.001), 0, 1, 0, 360 * 3);
			int deg_param = deg % 45;
			deg = deg / 45 * 45;
			if (deg_param > 40) {

				deg += ofMap(deg_param, 40, 45, 0, 45);
			}
			ofRotate(deg);

			ofBeginShape();
			for(int circle_deg = 20; circle_deg <= 360 - 20; circle_deg += 1) {
			
				ofVertex(span * 0.35 * cos(circle_deg * DEG_TO_RAD), span * 0.35 * sin(circle_deg * DEG_TO_RAD));
			}
			ofEndShape();

			ofPopMatrix();
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetColor(239);

ofSetLineWidth(3);

ofNoFill();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

int span = 60;

for (int x = -300; x <= 300; x += span) {

for (int y = -300; y <= 300; y += span) {

ofPushMatrix();

ofTranslate(x, y);

int deg = ofMap(ofNoise(x * 0.0005, y * 0.0005, ofGetFrameNum() * 0.001), 0, 1, 0, 360 * 3);

int deg_param = deg % 45;

deg = deg / 45 * 45;

if (deg_param > 40) {

deg += ofMap(deg_param, 40, 45, 0, 45);

}

ofRotate(deg);

ofBeginShape();

for(int circle_deg = 20; circle_deg <= 360 - 20; circle_deg += 1) {

ofVertex(span * 0.35 * cos(circle_deg * DEG_TO_RAD), span * 0.35 * sin(circle_deg * DEG_TO_RAD));

}

ofEndShape();

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230709

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