プログラミング de 落描き – ページ 728 – クリエイティブ・コーディングによる生成物とソース

2018年12月4日2018年12月4日

Half circle and half noise. openFrameworks

[ Video ]

[ About ]
半分が円形、半分はofNoiseで変化する図形。

Shape is half circle and half shape is changing from ofNoise.

[ 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);
	ofSetCircleResolution(36);
}

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

}

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

	int base_radius = ofGetWidth() / 14;
	for (int x = base_radius; x < ofGetWidth(); x += base_radius * 2) {

		for (int y = base_radius; y < ofGetHeight(); y += base_radius * 2) {

			ofPushMatrix();
			ofTranslate(x, y);

			int radius = base_radius * 0.95;

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

			radius = base_radius * 0.85;

			ofFill();
			ofBeginShape();
			for (int deg = 0; deg < 360; deg += 10) {

				glm::vec2 point = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
				float threshold = ofMap(ofNoise((point.x + x) * 0.005, (point.y + y) * 0.005, ofGetFrameNum() * 0.03), 0, 1, 0, -radius);
				if (threshold > point.y) {

					point.y = threshold;
				}

				ofVertex(point);
			}
			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);

ofSetCircleResolution(36);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int base_radius = ofGetWidth() / 14;

for (int x = base_radius; x < ofGetWidth(); x += base_radius * 2) {

for (int y = base_radius; y < ofGetHeight(); y += base_radius * 2) {

ofPushMatrix();

ofTranslate(x, y);

int radius = base_radius * 0.95;

ofNoFill();

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

radius = base_radius * 0.85;

ofFill();

ofBeginShape();

for (int deg = 0; deg < 360; deg += 10) {

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

float threshold = ofMap(ofNoise((point.x + x) * 0.005, (point.y + y) * 0.005, ofGetFrameNum() * 0.03), 0, 1, 0, -radius);

if (threshold > point.y) {

point.y = threshold;

}

ofVertex(point);

}

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181204

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2018年12月3日2018年12月3日

Color mountain. openFrameworks

[ Video ]

[ About ]
カラフルな山々。ゆらゆらしている図形を重ねて描写。

Color mountain. Overlap of shape.

[ 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);
	ofSetLineWidth(3);
}

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

	ofSeedRandom(39);
}

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

	for (int y = 0; y <= ofGetHeight(); y += 50) {

		float noise_seed = ofRandom(1000);
		
		ofColor color;
		color.setHsb(ofMap(y, 0, ofGetHeight(), 0, 255), 200, 255);

		vector<glm::vec2> vertices;
		for (int x = 0; x <= ofGetWidth(); x += 3) {

			int noise_y = y + ofMap(ofNoise(noise_seed, x * 0.003, ofGetFrameNum() * 0.005), 0, 1, -150, 150);
			ofVertex(glm::vec2(x, noise_y));
			vertices.push_back(glm::vec2(x, noise_y));
		}
		vertices.push_back(glm::vec2(ofGetWidth(), ofGetHeight()));
		vertices.push_back(glm::vec2(0, ofGetHeight()));

		ofSetColor(color);
		ofFill();
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		ofSetColor(39);
		ofNoFill();
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(3);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

for (int y = 0; y <= ofGetHeight(); y += 50) {

float noise_seed = ofRandom(1000);

ofColor color;

color.setHsb(ofMap(y, 0, ofGetHeight(), 0, 255), 200, 255);

vector<glm::vec2> vertices;

for (int x = 0; x <= ofGetWidth(); x += 3) {

int noise_y = y + ofMap(ofNoise(noise_seed, x * 0.003, ofGetFrameNum() * 0.005), 0, 1, -150, 150);

ofVertex(glm::vec2(x, noise_y));

vertices.push_back(glm::vec2(x, noise_y));

}

vertices.push_back(glm::vec2(ofGetWidth(), ofGetHeight()));

vertices.push_back(glm::vec2(0, ofGetHeight()));

ofSetColor(color);

ofFill();

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofSetColor(39);

ofNoFill();

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181203

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2018年12月2日2018年12月2日

Ghost leg. openFrameworks

[ Video ]

[ About ]
独楽回しeddy(@EKey2210)さんの投稿をマネしてみました。ofNoiseを使って変化している角度を30で区切ってあみだくじみたいにしました。

Inspire from @EKey2210(Twitter) post.

円運動の軌跡が作り出すトンネル#openframeworks pic.twitter.com/FR2UOeWu12

— 独楽回しeddy (@EKey2210) 2018年12月1日

[ 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) {};

	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 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) {};

ofEasyCam cam;

};

#include "ofApp.h"

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

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

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateY(180);

	int radius = 150;
	for (int i = 0; i < 8; i++) {

		float noise_param_1 = ofRandom(360);
		float noise_param_2 = ofRandom(360);
		glm::vec3 prev = glm::vec3();
		for (int len = 0; len < 200; len += 1) {

			int deg = noise_param_1 + ofNoise(noise_param_2, (ofGetFrameNum() + len) * 0.005) * 360;
			deg = (deg / 30) * 30;
			glm::vec3 location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), len * 3);

			if (len != 0) {

				ofDrawLine(location, prev);
			}

			prev = location;
		}

		ofDrawSphere(prev, 3);
	}

	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();

ofSetLineWidth(3);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(180);

int radius = 150;

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

float noise_param_1 = ofRandom(360);

float noise_param_2 = ofRandom(360);

glm::vec3 prev = glm::vec3();

for (int len = 0; len < 200; len += 1) {

int deg = noise_param_1 + ofNoise(noise_param_2, (ofGetFrameNum() + len) * 0.005) * 360;

deg = (deg / 30) * 30;

glm::vec3 location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), len * 3);

if (len != 0) {

ofDrawLine(location, prev);

}

prev = location;

}

ofDrawSphere(prev, 3);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181202

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