circle – ページ 117 – プログラミング de 落描き

2018年7月20日2018年7月20日

Segment circle. openFrameworks

[ Video ]

[ About ]
円を分割して、高さはパーリンノイズで変化させました。

I draw segmented circle. And height is determined by Perlin 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 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("Insta");

	ofBackground(39);
	ofEnableDepthTest();
}

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

}

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

	int radius_span = 50;
	int deg_span = 10;

	this->cam.begin();

	for (int radius = radius_span; radius < 360; radius += radius_span) {

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

			ofPoint noise_point((radius + radius_span * 0.5) * cos((deg + deg_span * 0.5) * DEG_TO_RAD), (radius + radius_span * 0.5) * sin((deg + deg_span * 0.5) * DEG_TO_RAD));
			float noise_value = ofNoise(noise_point.x * 0.005, noise_point.y * 0.005, ofGetFrameNum() * 0.005);
			int z = noise_value * radius;

			ofColor body_color(ofMap(noise_value, 0, 1, 39, 255));
			ofSetColor(body_color);

			ofPoint p1(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z);
			ofPoint p2(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD), z);
			ofPoint p3((radius + radius_span) * cos((deg + deg_span) * DEG_TO_RAD), (radius + radius_span) * sin((deg + deg_span) * DEG_TO_RAD), z);
			ofPoint p4((radius + radius_span) * cos(deg * DEG_TO_RAD), (radius + radius_span) * sin(deg * DEG_TO_RAD), z);
		
			ofBeginShape();
			ofVertex(p1);
			ofVertex(p2);
			ofVertex(p3);
			ofVertex(p4);
			ofEndShape(true);

			ofBeginShape();
			ofVertex(p1);
			ofVertex(p2);
			ofVertex(p2 - ofPoint(0, 0, z));
			ofVertex(p1 - ofPoint(0, 0, z));
			ofEndShape(true);

			ofBeginShape();
			ofVertex(p2);
			ofVertex(p3);
			ofVertex(p3 - ofPoint(0, 0, z));
			ofVertex(p2 - ofPoint(0, 0, z));
			ofEndShape(true);

			ofBeginShape();
			ofVertex(p3);
			ofVertex(p4);
			ofVertex(p4 - ofPoint(0, 0, z));
			ofVertex(p3 - ofPoint(0, 0, z));
			ofEndShape(true);

			ofBeginShape();
			ofVertex(p1);
			ofVertex(p4);
			ofVertex(p4 - ofPoint(0, 0, z));
			ofVertex(p1 - ofPoint(0, 0, z));
			ofEndShape(true);
		}
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("Insta");

ofBackground(39);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int radius_span = 50;

int deg_span = 10;

this->cam.begin();

for (int radius = radius_span; radius < 360; radius += radius_span) {

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

ofPoint noise_point((radius + radius_span * 0.5) * cos((deg + deg_span * 0.5) * DEG_TO_RAD), (radius + radius_span * 0.5) * sin((deg + deg_span * 0.5) * DEG_TO_RAD));

float noise_value = ofNoise(noise_point.x * 0.005, noise_point.y * 0.005, ofGetFrameNum() * 0.005);

int z = noise_value * radius;

ofColor body_color(ofMap(noise_value, 0, 1, 39, 255));

ofSetColor(body_color);

ofPoint p1(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z);

ofPoint p2(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD), z);

ofPoint p3((radius + radius_span) * cos((deg + deg_span) * DEG_TO_RAD), (radius + radius_span) * sin((deg + deg_span) * DEG_TO_RAD), z);

ofPoint p4((radius + radius_span) * cos(deg * DEG_TO_RAD), (radius + radius_span) * sin(deg * DEG_TO_RAD), z);

ofBeginShape();

ofVertex(p1);

ofVertex(p2);

ofVertex(p3);

ofVertex(p4);

ofEndShape(true);

ofBeginShape();

ofVertex(p1);

ofVertex(p2);

ofVertex(p2 - ofPoint(0, 0, z));

ofVertex(p1 - ofPoint(0, 0, z));

ofEndShape(true);

ofBeginShape();

ofVertex(p2);

ofVertex(p3);

ofVertex(p3 - ofPoint(0, 0, z));

ofVertex(p2 - ofPoint(0, 0, z));

ofEndShape(true);

ofBeginShape();

ofVertex(p3);

ofVertex(p4);

ofVertex(p4 - ofPoint(0, 0, z));

ofVertex(p3 - ofPoint(0, 0, z));

ofEndShape(true);

ofBeginShape();

ofVertex(p1);

ofVertex(p4);

ofVertex(p4 - ofPoint(0, 0, z));

ofVertex(p1 - ofPoint(0, 0, z));

ofEndShape(true);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180720

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2018年7月11日2018年7月11日

36 Line Circles openFrameworks

[ Video ]

[ About ]
36本の線で構成された円たち

The circles made up of 36 lines.

[ 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) {};

	// make method
	ofPoint make_rect_point(float len, int deg, int z = 0);
};

#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) {};

// make method

ofPoint make_rect_point(float len, int deg, int z = 0);

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("Insta");

	ofBackground(39);
	ofSetColor(239);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

	int circle_radius = 72;
	int rect_len = 144;

	for (int x = rect_len / 2; x <= ofGetWidth() - rect_len / 2; x += rect_len) {

		for (int y = rect_len / 2; y <= ofGetHeight() - rect_len / 2; y += rect_len) {

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

				ofPoint noise_point = ofPoint(circle_radius * cos(deg * DEG_TO_RAD) + x, circle_radius * sin(deg * DEG_TO_RAD) + y);
				float noise_value = ofMap(ofNoise(noise_point.x * 0.005, noise_point.y * 0.005, ofGetFrameNum() * 0.005), 0, 1, 0.2, 1.2);

				ofPushMatrix();
				ofTranslate(x, y);

				ofPoint circle_point = ofPoint(circle_radius * noise_value * cos(deg * DEG_TO_RAD), circle_radius * noise_value * sin(deg * DEG_TO_RAD));
				ofPoint rect_point = this->make_rect_point(rect_len, deg);

				ofDrawLine(circle_point, rect_point);
				ofDrawCircle(circle_point, 2);

				ofPopMatrix();
			}
		}
	}
}

//--------------------------------------------------------------
ofPoint ofApp::make_rect_point(float len, int deg, int z) {

	int half_len = len * 0.5;
	int param = (deg + 45) / 90;

	ofPoint point;

	switch (param % 4) {

	case 0:

		return ofPoint(half_len, ofMap((deg + 45) % 90, 0, 89, -half_len, half_len), z);
	case 1:

		return  ofPoint(ofMap((deg + 45) % 90, 0, 89, half_len, -half_len), half_len, z);
	case 2:

		return ofPoint(-half_len, ofMap((deg + 45) % 90, 0, 89, half_len, -half_len), z);
	case 3:

		return ofPoint(ofMap((deg + 45) % 90, 0, 89, -half_len, half_len), -half_len, z);
	default:

		return ofPoint(0, 0, 0);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("Insta");

ofBackground(39);

ofSetColor(239);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

int circle_radius = 72;

int rect_len = 144;

for (int x = rect_len / 2; x <= ofGetWidth() - rect_len / 2; x += rect_len) {

for (int y = rect_len / 2; y <= ofGetHeight() - rect_len / 2; y += rect_len) {

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

ofPoint noise_point = ofPoint(circle_radius * cos(deg * DEG_TO_RAD) + x, circle_radius * sin(deg * DEG_TO_RAD) + y);

float noise_value = ofMap(ofNoise(noise_point.x * 0.005, noise_point.y * 0.005, ofGetFrameNum() * 0.005), 0, 1, 0.2, 1.2);

ofPushMatrix();

ofTranslate(x, y);

ofPoint circle_point = ofPoint(circle_radius * noise_value * cos(deg * DEG_TO_RAD), circle_radius * noise_value * sin(deg * DEG_TO_RAD));

ofPoint rect_point = this->make_rect_point(rect_len, deg);

ofDrawLine(circle_point, rect_point);

ofDrawCircle(circle_point, 2);

ofPopMatrix();

}

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

ofPoint ofApp::make_rect_point(float len, int deg, int z) {

int half_len = len * 0.5;

int param = (deg + 45) / 90;

ofPoint point;

switch (param % 4) {

case 0:

return ofPoint(half_len, ofMap((deg + 45) % 90, 0, 89, -half_len, half_len), z);

case 1:

return ofPoint(ofMap((deg + 45) % 90, 0, 89, half_len, -half_len), half_len, z);

case 2:

return ofPoint(-half_len, ofMap((deg + 45) % 90, 0, 89, half_len, -half_len), z);

case 3:

return ofPoint(ofMap((deg + 45) % 90, 0, 89, -half_len, half_len), -half_len, z);

default:

return ofPoint(0, 0, 0);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180711

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2018年7月10日2018年7月10日

キラキラCircle openFrameworks

[ Video ]

[ About ]
コード書いてる途中で書き間違えたんですが、なんか綺麗だったので良しとしよう。

I made a mistake in writing the source code, but it was beautiful.

[ 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("Insta");

	ofBackground(39);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

	for (int i = 0; i < 256; i++) {

		ofPoint point(ofMap(ofNoise(ofRandom(100) + ofGetFrameNum() * 0.005), 0, 1, ofGetWidth() * -0.3, ofGetWidth() * 1.3), ofMap(ofNoise(ofRandom(100) + ofGetFrameNum() * 0.001), 0, 1, ofGetHeight() * -0.3, ofGetHeight() * 1.3));
		float radius = ofRandom(5, 20);
		ofColor circle_color;
		circle_color.setHsb(ofRandom(255), 255, 255 * ofNoise(point.x * 0.05, point.y * 0.05, ofGetFrameNum() * 0.001));
		ofSetColor(circle_color);

		ofDrawCircle(point, radius);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("Insta");

ofBackground(39);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

for (int i = 0; i < 256; i++) {

ofPoint point(ofMap(ofNoise(ofRandom(100) + ofGetFrameNum() * 0.005), 0, 1, ofGetWidth() * -0.3, ofGetWidth() * 1.3), ofMap(ofNoise(ofRandom(100) + ofGetFrameNum() * 0.001), 0, 1, ofGetHeight() * -0.3, ofGetHeight() * 1.3));

float radius = ofRandom(5, 20);

ofColor circle_color;

circle_color.setHsb(ofRandom(255), 255, 255 * ofNoise(point.x * 0.05, point.y * 0.05, ofGetFrameNum() * 0.001));

ofSetColor(circle_color);

ofDrawCircle(point, radius);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180710

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Amazon

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