circle – ページ 118 – プログラミング de 落描き

2018年7月6日2018年7月6日

円スライダー openFrameworks

[ Video ]

[ About ]
スライダー状の辺を円形に並べました

I put slider on round 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("Insta");

	ofBackground(39);
	ofSetLineWidth(3);
	ofSetColor(239);
	ofNoFill();
}

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

}

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

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

	int min_radius = 35;
	int max_radius = 110;
	int half_radius = (min_radius + max_radius) * 0.5;
	ofColor line_color;
	
	for (int x = -1; x <= 1; x++) {

		for (int y = -1; y <= 1; y++) {

			ofPoint location = ofPoint(x * 240, y * 240);
			for (int deg = 0; deg < 360; deg += 12) {

				ofPoint min_point = ofPoint(min_radius * cos(deg * DEG_TO_RAD), min_radius * sin(deg * DEG_TO_RAD)) + location;
				ofPoint max_point = ofPoint(max_radius * cos(deg * DEG_TO_RAD), max_radius * sin(deg * DEG_TO_RAD)) + location;
				ofPoint half_point = ofPoint(half_radius * cos(deg * DEG_TO_RAD), half_radius * sin(deg * DEG_TO_RAD)) + location;

				float noise_value = ofNoise(half_point.x * 0.01, half_point.y * 0.01, ofGetFrameNum() * 0.01);
				float noise_radius = ofMap(noise_value, 0, 1, min_radius, max_radius);

				ofPoint noise_point = ofPoint(noise_radius * cos(deg * DEG_TO_RAD), noise_radius * sin(deg * DEG_TO_RAD)) + location;
				ofPoint min_noise_point = ofPoint((noise_radius - 10) * cos(deg * DEG_TO_RAD), (noise_radius - 10) * sin(deg * DEG_TO_RAD)) + location;
				ofPoint max_noise_point = ofPoint((noise_radius + 10) * cos(deg * DEG_TO_RAD), (noise_radius + 10) * sin(deg * DEG_TO_RAD)) + location;

				ofDrawCircle(noise_point, 2.5);
				ofDrawLine(min_point, min_noise_point);
				ofDrawLine(max_point, max_noise_point);
			}
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("Insta");

ofBackground(39);

ofSetLineWidth(3);

ofSetColor(239);

ofNoFill();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

int min_radius = 35;

int max_radius = 110;

int half_radius = (min_radius + max_radius) * 0.5;

ofColor line_color;

for (int x = -1; x <= 1; x++) {

for (int y = -1; y <= 1; y++) {

ofPoint location = ofPoint(x * 240, y * 240);

for (int deg = 0; deg < 360; deg += 12) {

ofPoint min_point = ofPoint(min_radius * cos(deg * DEG_TO_RAD), min_radius * sin(deg * DEG_TO_RAD)) + location;

ofPoint max_point = ofPoint(max_radius * cos(deg * DEG_TO_RAD), max_radius * sin(deg * DEG_TO_RAD)) + location;

ofPoint half_point = ofPoint(half_radius * cos(deg * DEG_TO_RAD), half_radius * sin(deg * DEG_TO_RAD)) + location;

float noise_value = ofNoise(half_point.x * 0.01, half_point.y * 0.01, ofGetFrameNum() * 0.01);

float noise_radius = ofMap(noise_value, 0, 1, min_radius, max_radius);

ofPoint noise_point = ofPoint(noise_radius * cos(deg * DEG_TO_RAD), noise_radius * sin(deg * DEG_TO_RAD)) + location;

ofPoint min_noise_point = ofPoint((noise_radius - 10) * cos(deg * DEG_TO_RAD), (noise_radius - 10) * sin(deg * DEG_TO_RAD)) + location;

ofPoint max_noise_point = ofPoint((noise_radius + 10) * cos(deg * DEG_TO_RAD), (noise_radius + 10) * sin(deg * DEG_TO_RAD)) + location;

ofDrawCircle(noise_point, 2.5);

ofDrawLine(min_point, min_noise_point);

ofDrawLine(max_point, max_noise_point);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180706

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2018年6月28日2018年6月28日

円とノイズ遊び openFrameworks

[ Video ]

[ About ]
角度ごとに、二つの半径の円座標を結ぶ線を、Noiseで歪めました

[ 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);
	ofSetColor(239, 128);
	ofNoFill();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

}	

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);
	
	int start_radius = 100;
	int max_radius = 320;

	for (int deg = 0; deg < 360; deg += 2) {

		int half_radius = (max_radius - start_radius) * 0.5 + start_radius;
		ofPoint half_point = ofPoint(half_radius * cos(deg * DEG_TO_RAD), half_radius * sin(deg * DEG_TO_RAD));

		ofBeginShape();
		for (int radius = start_radius; radius <= max_radius; radius += 1) {

			ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		
			float noise_deg = ofMap(ofNoise(point.x * 0.008, point.y * 0.008 + ofGetFrameNum() * 0.008), 0, 1, -25, 25);
			float deg_param = ofMap(half_point.distance(point), 0, (max_radius - start_radius) * 0.5, 1, 0);
			noise_deg *= deg_param; 

			point = ofPoint(ofPoint(radius * cos((deg + noise_deg) * DEG_TO_RAD), radius * sin((deg + noise_deg) * DEG_TO_RAD)));
			ofVertex(point);
		}
		ofEndShape();
	}
}

//========================================================================
int main() {

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("Insta");

ofBackground(39);

ofSetColor(239, 128);

ofNoFill();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

int start_radius = 100;

int max_radius = 320;

for (int deg = 0; deg < 360; deg += 2) {

int half_radius = (max_radius - start_radius) * 0.5 + start_radius;

ofPoint half_point = ofPoint(half_radius * cos(deg * DEG_TO_RAD), half_radius * sin(deg * DEG_TO_RAD));

ofBeginShape();

for (int radius = start_radius; radius <= max_radius; radius += 1) {

ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

float noise_deg = ofMap(ofNoise(point.x * 0.008, point.y * 0.008 + ofGetFrameNum() * 0.008), 0, 1, -25, 25);

float deg_param = ofMap(half_point.distance(point), 0, (max_radius - start_radius) * 0.5, 1, 0);

noise_deg *= deg_param;

point = ofPoint(ofPoint(radius * cos((deg + noise_deg) * DEG_TO_RAD), radius * sin((deg + noise_deg) * DEG_TO_RAD)));

ofVertex(point);

}

ofEndShape();

}

//========================================================================

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180628

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2018年6月26日2018年6月26日

四角と円を合成

[ Video ]

[ About ]
四角と円の座標の合成キメラ

[ Source ]

#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) {}

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

#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) {}

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

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofBackground(239);
	ofSetWindowTitle("Insta");

	ofSetColor(39);
	ofNoFill();
}

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

	ofSeedRandom(39);
}

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

	int radius = 100;
	for (int x = 0; x < 3; x++) {

		for (int y = 0; y < 3; y++) {

			ofPushMatrix();
			ofTranslate(x * 240 + 120, y * 240 + 120);

			float random_value = ofRandom(100);

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

				ofPoint point = make_rect_point(radius, deg);

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

				if (noise_value > 0.5) {

					point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
				}

				ofVertex(point);
			}
			ofEndShape(true);

			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);

ofBackground(239);

ofSetWindowTitle("Insta");

ofSetColor(39);

ofNoFill();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

int radius = 100;

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

for (int y = 0; y < 3; y++) {

ofPushMatrix();

ofTranslate(x * 240 + 120, y * 240 + 120);

float random_value = ofRandom(100);

ofBeginShape();

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

ofPoint point = make_rect_point(radius, deg);

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

if (noise_value > 0.5) {

point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

}

ofVertex(point);

}

ofEndShape(true);

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/Insta20180626

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Amazon

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