circle – ページ 21 – プログラミング de 落描き

2022年11月19日

Circle of dot line. Draw by openFrameworks

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[ About ]
点線の円。

[ 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 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(255);
	ofSetLineWidth(3);
}

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

	ofSeedRandom(19);
}

//--------------------------------------------------------------
void ofApp::draw() {
	
	ofTranslate(ofGetWindowSize() * 0.5);

	float radius = 300;
	float deg_span = 30;

	for (float radius = 130; radius <= 300; radius += 5) {

		for (float deg_start = 0; deg_start < 360; deg_start += deg_span) {

			float deg_param = ofMap(ofNoise(radius * 0.01 + ofGetFrameNum() * 0.0025), 0, 1, -360, 360);

			ofNoFill();
			ofBeginShape();
			for (float deg = deg_start + deg_param; deg < deg_start + deg_param + deg_span * 0.5; deg += 1) {

				ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			}
			ofEndShape(false);
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetColor(255);

ofSetLineWidth(3);

}

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

void ofApp::update() {

ofSeedRandom(19);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

float radius = 300;

float deg_span = 30;

for (float radius = 130; radius <= 300; radius += 5) {

for (float deg_start = 0; deg_start < 360; deg_start += deg_span) {

float deg_param = ofMap(ofNoise(radius * 0.01 + ofGetFrameNum() * 0.0025), 0, 1, -360, 360);

ofNoFill();

ofBeginShape();

for (float deg = deg_start + deg_param; deg < deg_start + deg_param + deg_span * 0.5; deg += 1) {

ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

}

ofEndShape(false);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221119

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2022年11月11日2022年11月10日

Square or circle. Draw by openFrameworks

[ Video ]

[ About ]
四角　または　丸。

[ 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(int len, int param);
};

#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(int len, int param);

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetCircleResolution(60);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
}

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

}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	int len = 600;
	int radius = len * 0.35;

	ofSetColor(32);
	ofNoFill();
	ofDrawCircle(glm::vec2(), radius);
	ofDrawRectangle(glm::vec2(), len, len);

	ofSetColor(255);
	ofFill();

	for (float param = 0; param <= 100; param++) {

		auto noise_value = ofNoise(glm::vec3(this->make_point(len, param) * 0.005, ofGetFrameNum() * 0.015));
		if (noise_value < 0.5) {

			auto location_1 = this->make_point(len, param);
			auto location_2 = this->make_point(len, param + 1);

			ofDrawLine(location_1, location_2);
			ofDrawRectangle(location_1, 6, 6);
			ofDrawRectangle(location_2, 6, 6);
		}
		else if (noise_value > 0.6) {

			auto location_1 = glm::normalize(this->make_point(len, param)) * radius;
			auto location_2 = glm::normalize(this->make_point(len, param + 1)) * radius;

			ofDrawLine(location_1, location_2);
			ofDrawCircle(location_1, 4);
			ofDrawCircle(location_2, 4);
		}
		else {

			auto location_1 = glm::normalize(this->make_point(len, param)) * radius + (this->make_point(len, param) - glm::normalize(this->make_point(len, param)) * radius) * ofMap(noise_value, 0.5, 0.6, 1, 0);
			auto location_2 = glm::normalize(this->make_point(len, param + 1)) * radius + (this->make_point(len, param + 1) - glm::normalize(this->make_point(len, param + 1)) * radius) * ofMap(noise_value, 0.5, 0.6, 1, 0);

			ofDrawLine(location_1, location_2);
			ofDrawCircle(location_1, 4);
			ofDrawRectangle(location_2, 6, 6);
		}
	}
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetCircleResolution(60);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

int len = 600;

int radius = len * 0.35;

ofSetColor(32);

ofNoFill();

ofDrawCircle(glm::vec2(), radius);

ofDrawRectangle(glm::vec2(), len, len);

ofSetColor(255);

ofFill();

for (float param = 0; param <= 100; param++) {

auto noise_value = ofNoise(glm::vec3(this->make_point(len, param) * 0.005, ofGetFrameNum() * 0.015));

if (noise_value < 0.5) {

auto location_1 = this->make_point(len, param);

auto location_2 = this->make_point(len, param + 1);

ofDrawLine(location_1, location_2);

ofDrawRectangle(location_1, 6, 6);

ofDrawRectangle(location_2, 6, 6);

}

else if (noise_value > 0.6) {

auto location_1 = glm::normalize(this->make_point(len, param)) * radius;

auto location_2 = glm::normalize(this->make_point(len, param + 1)) * radius;

ofDrawLine(location_1, location_2);

ofDrawCircle(location_1, 4);

ofDrawCircle(location_2, 4);

}

else {

auto location_1 = glm::normalize(this->make_point(len, param)) * radius + (this->make_point(len, param) - glm::normalize(this->make_point(len, param)) * radius) * ofMap(noise_value, 0.5, 0.6, 1, 0);

auto location_2 = glm::normalize(this->make_point(len, param + 1)) * radius + (this->make_point(len, param + 1) - glm::normalize(this->make_point(len, param + 1)) * radius) * ofMap(noise_value, 0.5, 0.6, 1, 0);

ofDrawLine(location_1, location_2);

ofDrawCircle(location_1, 4);

ofDrawRectangle(location_2, 6, 6);

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221111

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2022年11月7日

Rainbow tornado. Draw by openFrameworks

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[ About ]
虹色渦。

[ 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) {};

	ofMesh face, 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) {};

ofMesh face, line;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetLineWidth(2);
	this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

	this->face.clear();
	this->line.clear();

	int radius_span = 5;
	int deg_span = 30;

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

		for (int radius = 10; radius < 600; radius += radius_span) {

			float circle_deg = deg + ofMap(radius, 30, 600, 0, 360);
			float next_ciecle_deg = deg + ofMap(radius + radius_span, 30, 600, 0, 360);

			this->face.addVertex(glm::vec3(radius * cos((circle_deg - deg_span * 0.2) * DEG_TO_RAD), radius * sin((circle_deg - deg_span * 0.2) * DEG_TO_RAD), 0));
			this->face.addVertex(glm::vec3(radius * cos((circle_deg + deg_span * 0.2) * DEG_TO_RAD), radius * sin((circle_deg + deg_span * 0.2) * DEG_TO_RAD), 0));
			this->face.addVertex(glm::vec3((radius + radius_span) * cos((next_ciecle_deg + deg_span * 0.2) * DEG_TO_RAD), (radius + radius_span) * sin((next_ciecle_deg + deg_span * 0.2) * DEG_TO_RAD), 0));
			this->face.addVertex(glm::vec3((radius + radius_span) * cos((next_ciecle_deg - deg_span * 0.2) * DEG_TO_RAD), (radius + radius_span) * sin((next_ciecle_deg - deg_span * 0.2) * DEG_TO_RAD), 0));

			this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 2); this->face.addIndex(this->face.getNumVertices() - 3);
			this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 3); this->face.addIndex(this->face.getNumVertices() - 4);

			ofColor color;
			color.setHsb(ofMap((radius + deg - ofGetFrameNum() * 15) % 360, 0, 360, 0, 255), 130, 255);

			this->face.addColor(color); this->face.addColor(color); this->face.addColor(color); this->face.addColor(color);

			this->line.addVertex(glm::vec3(radius * cos((circle_deg - deg_span * 0.2) * DEG_TO_RAD), radius * sin((circle_deg - deg_span * 0.2) * DEG_TO_RAD), 0));
			this->line.addVertex(glm::vec3(radius * cos((circle_deg + deg_span * 0.2) * DEG_TO_RAD), radius * sin((circle_deg + deg_span * 0.2) * DEG_TO_RAD), 0));
			this->line.addVertex(glm::vec3((radius + radius_span) * cos((next_ciecle_deg + deg_span * 0.2) * DEG_TO_RAD), (radius + radius_span) * sin((next_ciecle_deg + deg_span * 0.2) * DEG_TO_RAD), 0));
			this->line.addVertex(glm::vec3((radius + radius_span) * cos((next_ciecle_deg - deg_span * 0.2) * DEG_TO_RAD), (radius + radius_span) * sin((next_ciecle_deg - deg_span * 0.2) * DEG_TO_RAD), 0));

			this->line.addIndex(this->line.getNumVertices() - 3); this->line.addIndex(this->line.getNumVertices() - 2);
			this->line.addIndex(this->line.getNumVertices() - 4); this->line.addIndex(this->line.getNumVertices() - 1);

			this->line.addColor(ofColor(0)); this->line.addColor(ofColor(0)); this->line.addColor(ofColor(0)); this->line.addColor(ofColor(0));

		}
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	this->face.draw();
	this->line.draw();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetLineWidth(2);

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

}

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

void ofApp::update() {

this->face.clear();

this->line.clear();

int radius_span = 5;

int deg_span = 30;

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

for (int radius = 10; radius < 600; radius += radius_span) {

float circle_deg = deg + ofMap(radius, 30, 600, 0, 360);

float next_ciecle_deg = deg + ofMap(radius + radius_span, 30, 600, 0, 360);

this->face.addVertex(glm::vec3(radius * cos((circle_deg - deg_span * 0.2) * DEG_TO_RAD), radius * sin((circle_deg - deg_span * 0.2) * DEG_TO_RAD), 0));

this->face.addVertex(glm::vec3(radius * cos((circle_deg + deg_span * 0.2) * DEG_TO_RAD), radius * sin((circle_deg + deg_span * 0.2) * DEG_TO_RAD), 0));

this->face.addVertex(glm::vec3((radius + radius_span) * cos((next_ciecle_deg + deg_span * 0.2) * DEG_TO_RAD), (radius + radius_span) * sin((next_ciecle_deg + deg_span * 0.2) * DEG_TO_RAD), 0));

this->face.addVertex(glm::vec3((radius + radius_span) * cos((next_ciecle_deg - deg_span * 0.2) * DEG_TO_RAD), (radius + radius_span) * sin((next_ciecle_deg - deg_span * 0.2) * DEG_TO_RAD), 0));

this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 2); this->face.addIndex(this->face.getNumVertices() - 3);

this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 3); this->face.addIndex(this->face.getNumVertices() - 4);

ofColor color;

color.setHsb(ofMap((radius + deg - ofGetFrameNum() * 15) % 360, 0, 360, 0, 255), 130, 255);

this->face.addColor(color); this->face.addColor(color); this->face.addColor(color); this->face.addColor(color);

this->line.addVertex(glm::vec3(radius * cos((circle_deg - deg_span * 0.2) * DEG_TO_RAD), radius * sin((circle_deg - deg_span * 0.2) * DEG_TO_RAD), 0));

this->line.addVertex(glm::vec3(radius * cos((circle_deg + deg_span * 0.2) * DEG_TO_RAD), radius * sin((circle_deg + deg_span * 0.2) * DEG_TO_RAD), 0));

this->line.addVertex(glm::vec3((radius + radius_span) * cos((next_ciecle_deg + deg_span * 0.2) * DEG_TO_RAD), (radius + radius_span) * sin((next_ciecle_deg + deg_span * 0.2) * DEG_TO_RAD), 0));

this->line.addVertex(glm::vec3((radius + radius_span) * cos((next_ciecle_deg - deg_span * 0.2) * DEG_TO_RAD), (radius + radius_span) * sin((next_ciecle_deg - deg_span * 0.2) * DEG_TO_RAD), 0));

this->line.addIndex(this->line.getNumVertices() - 3); this->line.addIndex(this->line.getNumVertices() - 2);

this->line.addIndex(this->line.getNumVertices() - 4); this->line.addIndex(this->line.getNumVertices() - 1);

this->line.addColor(ofColor(0)); this->line.addColor(ofColor(0)); this->line.addColor(ofColor(0)); this->line.addColor(ofColor(0));

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

this->face.draw();

this->line.draw();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221107

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