circle – ページ 58 – プログラミング de 落描き

2020年10月23日2020年10月23日

Changing interval of noise param. Draw by openFrameworks

[ Video ]

[ About ]
ノイズの間隔を変化。

Changing interval of noise param.

[ 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(300);
	ofRotateZ(ofGetFrameNum() * 0.25);

	float deg_span = 0.1;
	float noise_span = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 0.001, 0.025);
	for (float radius = 50; radius <= 200; radius += 50) {

		ofMesh face, frame;
		frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
		for (float deg = 0; deg < 360; deg += deg_span) {

			int index = face.getNumVertices() - 2;

			auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			auto noise_value = ofNoise(glm::vec3(location * noise_span, ofGetFrameNum() * 0.0001));
			float z = noise_value < 0.45 ? 1 : ofMap(noise_value, 0.45, 1.0, 0, 80);

			face.addVertex(glm::vec3(location, -z));
			face.addVertex(glm::vec3(location, z));

			frame.addVertex(glm::vec3(location, -z));
			frame.addVertex(glm::vec3(location, z));

			if (index > -1) {

				face.addIndex(index); face.addIndex(index + 1); face.addIndex(index + 3);
				face.addIndex(index); face.addIndex(index + 2); face.addIndex(index + 3);

				frame.addIndex(index); frame.addIndex(index + 2);
				frame.addIndex(index + 1); frame.addIndex(index + 3);
			}
		}

		ofSetColor(39);
		face.draw();

		ofSetColor(239);
		frame.drawWireframe();
	}


	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(300);

ofRotateZ(ofGetFrameNum() * 0.25);

float deg_span = 0.1;

float noise_span = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 0.001, 0.025);

for (float radius = 50; radius <= 200; radius += 50) {

ofMesh face, frame;

frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

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

int index = face.getNumVertices() - 2;

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

auto noise_value = ofNoise(glm::vec3(location * noise_span, ofGetFrameNum() * 0.0001));

float z = noise_value < 0.45 ? 1 : ofMap(noise_value, 0.45, 1.0, 0, 80);

face.addVertex(glm::vec3(location, -z));

face.addVertex(glm::vec3(location, z));

frame.addVertex(glm::vec3(location, -z));

frame.addVertex(glm::vec3(location, z));

if (index > -1) {

face.addIndex(index); face.addIndex(index + 1); face.addIndex(index + 3);

face.addIndex(index); face.addIndex(index + 2); face.addIndex(index + 3);

frame.addIndex(index); frame.addIndex(index + 2);

frame.addIndex(index + 1); frame.addIndex(index + 3);

}

ofSetColor(39);

face.draw();

ofSetColor(239);

frame.drawWireframe();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201023

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2020年10月22日2020年10月21日

RGB division. Draw by openFrameworks

[ Video ]

[ About ]
RGB分裂。

RGB Split.

[ 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(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);

	ofSetCircleResolution(60);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);
}

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

	ofSeedRandom(39);
}

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

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

	vector<ofColor> color_list = { ofColor(255, 0, 0), ofColor(0, 255, 0), ofColor(0, 0, 255) };

	for (int x = -280; x <= 280; x += 80) {

		for (int y = -280; y <= 280; y += 80) {

			for (int i = 0; i < color_list.size(); i++) {

				auto noise_value = glm::vec2(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005));
			
				float noise_x = 0;
				if (noise_value.x < 0.25) {
				
					noise_x = ofMap(noise_value.x, 0, 0.25, -20, 0);
				}
				else if (noise_value.x > 0.75) {

					noise_x = ofMap(noise_value.x, 0.75, 1.0, 0, 20);
				}
				float noise_y = 0;
				if (noise_value.y < 0.25) {

					noise_y = ofMap(noise_value.y, 0, 0.25, -20, 0);
				}
				else if (noise_value.y > 0.75) {

					noise_y = ofMap(noise_value.y, 0.75, 1.0, 0, 20);
				}

				ofSetColor(color_list[i]);
				ofDrawCircle(glm::vec2(x + noise_x, y + noise_y), 15);
			}
		}
	}
}


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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetCircleResolution(60);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

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

vector<ofColor> color_list = { ofColor(255, 0, 0), ofColor(0, 255, 0), ofColor(0, 0, 255) };

for (int x = -280; x <= 280; x += 80) {

for (int y = -280; y <= 280; y += 80) {

for (int i = 0; i < color_list.size(); i++) {

auto noise_value = glm::vec2(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005));

float noise_x = 0;

if (noise_value.x < 0.25) {

noise_x = ofMap(noise_value.x, 0, 0.25, -20, 0);

}

else if (noise_value.x > 0.75) {

noise_x = ofMap(noise_value.x, 0.75, 1.0, 0, 20);

}

float noise_y = 0;

if (noise_value.y < 0.25) {

noise_y = ofMap(noise_value.y, 0, 0.25, -20, 0);

}

else if (noise_value.y > 0.75) {

noise_y = ofMap(noise_value.y, 0.75, 1.0, 0, 20);

}

ofSetColor(color_list[i]);

ofDrawCircle(glm::vec2(x + noise_x, y + noise_y), 15);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201022

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2020年10月8日2020年10月8日

not overlapping circle. Draw by openFrameworks

[ Video ]

[ About ]
重ならない円。

not overlapping circle.

[ 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(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(2);
	ofNoFill();
	ofSetCircleResolution(30);

}

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

	ofSeedRandom(39);
}

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

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

	vector<glm::vec2> location_list;
	vector<float> radius_list;
	for (int i = 0; i < 45; i++) {

		auto noise_step = ofRandom(0.001, 0.002);
		auto location = glm::vec2(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * noise_step), 0, 1, -300, 300), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * noise_step), 0, 1, -300, 300));
		location_list.push_back(location);
		radius_list.push_back(0.f);
	}

	while (true) {

		bool break_flag = true;
		for (int i = 0; i < location_list.size(); i++) {

			bool increment_flag = true;
			for (int k = 0; k < location_list.size(); k++) {

				if (i == k) continue;

				auto distance = glm::distance(location_list[i], location_list[k]);
				if (distance < radius_list[i] + radius_list[k]) {

					increment_flag = false;
				}
			}

			if (increment_flag) {

				radius_list[i] += 1;
				break_flag = false;
			}
		}

		if (break_flag) {

			break;
		}
	}

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

		ofDrawCircle(location_list[i], radius_list[i]);
	}
}

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

ofNoFill();

ofSetCircleResolution(30);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

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

vector<glm::vec2> location_list;

vector<float> radius_list;

for (int i = 0; i < 45; i++) {

auto noise_step = ofRandom(0.001, 0.002);

auto location = glm::vec2(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * noise_step), 0, 1, -300, 300), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * noise_step), 0, 1, -300, 300));

location_list.push_back(location);

radius_list.push_back(0.f);

}

while (true) {

bool break_flag = true;

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

bool increment_flag = true;

for (int k = 0; k < location_list.size(); k++) {

if (i == k) continue;

auto distance = glm::distance(location_list[i], location_list[k]);

if (distance < radius_list[i] + radius_list[k]) {

increment_flag = false;

}

if (increment_flag) {

radius_list[i] += 1;

break_flag = false;

}

if (break_flag) {

break;

}

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

ofDrawCircle(location_list[i], radius_list[i]);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201008

[ほしいものリスト]
Amazon

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