circle – ページ 87 – プログラミング de 落描き

2019年7月15日2019年7月15日

Rotate color palette. openFrameworks

[ Video ]

[ About ]
回転するカラーパレット

Rotate color palette.

[ 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(239);
	ofSetColor(39);
	ofSetLineWidth(2);

}

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

}

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

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

	for (auto radius = 150; radius < 720; radius += 60) {

		auto noise_deg = ofMap(ofNoise(radius * 0.1 + ofGetFrameNum() * 0.005), 0, 1, -360, 360);

		ofPushMatrix();
		ofRotate(noise_deg);

		auto small_radius = radius - 20;
		auto big_radius = radius + 20;
		vector<glm::vec2> small_circle;
		vector<glm::vec2> big_circle;
		for (auto deg = 0; deg < 360; deg += 1) {

			small_circle.push_back(glm::vec2(small_radius * cos(deg * DEG_TO_RAD), small_radius * sin(deg * DEG_TO_RAD)));
			big_circle.push_back(glm::vec2(big_radius * cos(deg * DEG_TO_RAD), big_radius * sin(deg * DEG_TO_RAD)));

			if (deg % 30 == 0) {

				ofColor color;
				color.setHsb(ofMap(deg, 0, 360, 0, 255), 180, 255);

				auto in_radius = radius - 10;
				auto out_radius = radius + 10;
				vector<glm::vec2> in;
				vector<glm::vec2> out;
				for (auto tmp_deg = deg; tmp_deg < deg + 25; tmp_deg += 1) {

					in.push_back(glm::vec2(in_radius * cos(tmp_deg * DEG_TO_RAD), in_radius * sin(tmp_deg * DEG_TO_RAD)));
					out.push_back(glm::vec2(out_radius * cos(tmp_deg * DEG_TO_RAD), out_radius * sin(tmp_deg * DEG_TO_RAD)));
				}

				reverse(out.begin(), out.end());

				ofFill();
				ofSetColor(color);

				ofBeginShape();
				ofVertices(in);
				ofVertices(out);
				ofEndShape(true);

				ofNoFill();
				ofSetColor(39);

				ofBeginShape();
				ofVertices(in);
				ofVertices(out);
				ofEndShape(true);
			}
		}

		ofNoFill();
		ofSetColor(39);

		ofBeginShape();
		ofVertices(small_circle);
		ofEndShape(true);

		ofBeginShape();
		ofVertices(big_circle);
		ofEndShape(true);

		ofPopMatrix();
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(2);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

for (auto radius = 150; radius < 720; radius += 60) {

auto noise_deg = ofMap(ofNoise(radius * 0.1 + ofGetFrameNum() * 0.005), 0, 1, -360, 360);

ofPushMatrix();

ofRotate(noise_deg);

auto small_radius = radius - 20;

auto big_radius = radius + 20;

vector<glm::vec2> small_circle;

vector<glm::vec2> big_circle;

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

small_circle.push_back(glm::vec2(small_radius * cos(deg * DEG_TO_RAD), small_radius * sin(deg * DEG_TO_RAD)));

big_circle.push_back(glm::vec2(big_radius * cos(deg * DEG_TO_RAD), big_radius * sin(deg * DEG_TO_RAD)));

if (deg % 30 == 0) {

ofColor color;

color.setHsb(ofMap(deg, 0, 360, 0, 255), 180, 255);

auto in_radius = radius - 10;

auto out_radius = radius + 10;

vector<glm::vec2> in;

vector<glm::vec2> out;

for (auto tmp_deg = deg; tmp_deg < deg + 25; tmp_deg += 1) {

in.push_back(glm::vec2(in_radius * cos(tmp_deg * DEG_TO_RAD), in_radius * sin(tmp_deg * DEG_TO_RAD)));

out.push_back(glm::vec2(out_radius * cos(tmp_deg * DEG_TO_RAD), out_radius * sin(tmp_deg * DEG_TO_RAD)));

}

reverse(out.begin(), out.end());

ofFill();

ofSetColor(color);

ofBeginShape();

ofVertices(in);

ofVertices(out);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(in);

ofVertices(out);

ofEndShape(true);

}

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(small_circle);

ofEndShape(true);

ofBeginShape();

ofVertices(big_circle);

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190715

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2019年7月12日2019年7月12日

Circle or Noise. openFrameworks

[ Video ]

[ About ]
円だったりノイズだったり

Circle or Noise.

[ 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(239);
	ofSetColor(39);
}

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

	ofSeedRandom(39);
}

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

	auto radius = 10;
	auto span = 60;
	auto margin = 60;
	for (int x = margin; x <= ofGetWidth() - margin; x += span) {

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

			auto location = glm::vec2(x, y);
			auto location_noise_value = ofNoise(location.x * 0.005, location.y * 0.005, ofGetFrameNum() * 0.008);
		
			vector<glm::vec2> vertices;
			if (location_noise_value > 0.55) {

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

					auto noise_location = location + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
					auto noise_radius = ofMap(ofNoise(noise_location.x * 0.45, noise_location.y * 0.45, ofGetFrameNum() * 0.005), 0, 1, radius, radius * 3);
					auto tmp_radius = radius + noise_radius * ofMap(location_noise_value, 0.55, 1, 0, 1);

					vertices.push_back(glm::vec2(tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD)));
				}
			}
			else {

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

					vertices.push_back(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
				}
			}

			ofPushMatrix();
			ofTranslate(location);

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

			ofPopMatrix();
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

auto radius = 10;

auto span = 60;

auto margin = 60;

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

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

auto location = glm::vec2(x, y);

auto location_noise_value = ofNoise(location.x * 0.005, location.y * 0.005, ofGetFrameNum() * 0.008);

vector<glm::vec2> vertices;

if (location_noise_value > 0.55) {

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

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

auto noise_radius = ofMap(ofNoise(noise_location.x * 0.45, noise_location.y * 0.45, ofGetFrameNum() * 0.005), 0, 1, radius, radius * 3);

auto tmp_radius = radius + noise_radius * ofMap(location_noise_value, 0.55, 1, 0, 1);

vertices.push_back(glm::vec2(tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD)));

}

else {

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

vertices.push_back(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

}

ofPushMatrix();

ofTranslate(location);

ofBeginShape();

ofVertices(vertices);

ofEndShape();

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190712

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2019年7月8日2019年7月8日

Particle on the cylinder. openFrameworks

[ Video ]

[ About ]
円柱上のパーティクル。

Particle on the cylinder.

[ 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) {};

	ofEasyCam cam;
};

#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) {};

ofEasyCam cam;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetColor(39);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(315);
	
	auto radius = 300;
	auto deg_span = 5;
	vector<glm::vec3> locations;
	for (int deg = 0; deg < 360; deg += deg_span) {

		locations.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), -radius));
		locations.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), radius));
	}
	
	for (int i = 0; i < 500; i++) {

		int z = (int)(ofRandom(radius * 2) + ofGetFrameNum() * ofRandom(1, 3)) % radius * 2 - radius;
		int deg = (int)ofRandom(0, 360) / deg_span * deg_span;

		locations.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z));
	}

	for (auto& location : locations) {

		ofSetColor(39, ofMap(location.y, -radius, radius, 255, 32));
		ofDrawSphere(location, 3);
		for (auto& other : locations) {

			if (location == other) { continue; }
			float distance = glm::distance(location, other);
			if (distance < 50) {

				ofDrawLine(location, other);
			}
		}
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(315);

auto radius = 300;

auto deg_span = 5;

vector<glm::vec3> locations;

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

locations.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), -radius));

locations.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), radius));

}

for (int i = 0; i < 500; i++) {

int z = (int)(ofRandom(radius * 2) + ofGetFrameNum() * ofRandom(1, 3)) % radius * 2 - radius;

int deg = (int)ofRandom(0, 360) / deg_span * deg_span;

locations.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z));

}

for (auto& location : locations) {

ofSetColor(39, ofMap(location.y, -radius, radius, 255, 32));

ofDrawSphere(location, 3);

for (auto& other : locations) {

if (location == other) { continue; }

float distance = glm::distance(location, other);

if (distance < 50) {

ofDrawLine(location, other);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190708

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