circle – ページ 122 – プログラミング de 落描き

2018年6月1日2018年6月1日

のいじーくらうん　openFrameowrks

[ Video ]

[ About ]
円の形状のZ軸をNoise関数でズラしています。王冠のような形になりますが真横から見ているので、二次元に見えたり時たま三次元に見えます。

[ 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) {}

	// Make Member
	ofEasyCam cam;
};

#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) {}

// Make Member

ofEasyCam cam;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofBackground(39);
	ofSetWindowTitle("Insta");

	ofNoFill();
	ofSetColor(239);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();
}

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

}

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

	this->cam.begin();
	ofRotateX(90);

	float radius = 300;

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

		float x = radius * cos(deg * DEG_TO_RAD);
		float y = radius * sin(deg * DEG_TO_RAD);

		float noise_value = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.008);
		int z = noise_value * 10 + 1;
		z = z * 40 - 180;

		ofVertex(x, y, z);
	}
	ofEndShape(true);

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(39);

ofSetWindowTitle("Insta");

ofNoFill();

ofSetColor(239);

ofSetLineWidth(1.5);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(90);

float radius = 300;

ofBeginShape();

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

float x = radius * cos(deg * DEG_TO_RAD);

float y = radius * sin(deg * DEG_TO_RAD);

float noise_value = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.008);

int z = noise_value * 10 + 1;

z = z * 40 - 180;

ofVertex(x, y, z);

}

ofEndShape(true);

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180601

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2018年5月30日2018年5月30日

ねんりんの輪 openFrameworks

[ Video ]

[ About ]
円を重ねを円形に配置して、Noise関数で個数を変更しています。

[ 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(30);
	ofBackground(39);
	ofSetWindowTitle("Insta");

	ofNoFill();
	ofSetColor(239);
}

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

}

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

	ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);
	
	int deg_span = 8;
	ofRotate(deg_span * 0.5f);

	float radius = 150;
	float small_radius = 0;
	for (int i = 0; radius < 330; i++) {

		if (small_radius == 0) {

			ofPoint p1 = ofPoint(radius * cos(0), radius * sin(0));
			ofPoint p2 = ofPoint(radius * cos(deg_span * DEG_TO_RAD), radius * sin(deg_span * DEG_TO_RAD));
			small_radius = p1.distance(p2) * 0.5;
		}

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

			float noise_value = ofMap(ofNoise(i * 0.1, deg * 0.02 + ofGetFrameNum() * 0.03), 0, 1, 1, 10);
			ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

			for (int tmp_noise_value = 0; tmp_noise_value <= noise_value; tmp_noise_value += 2) {
				
				ofDrawCircle(point, small_radius * tmp_noise_value * 0.1);
			}
		}

		float next_small_radius = 0;
		float tmp_radius = radius;
		while (radius < tmp_radius + small_radius + next_small_radius) {

			ofPoint p1 = ofPoint(radius * cos(0), radius * sin(0));
			ofPoint p2 = ofPoint(radius * cos(deg_span * DEG_TO_RAD), radius * sin(deg_span * DEG_TO_RAD));
			next_small_radius = p1.distance(p2) * 0.5;

			radius += 0.1;
		}

		small_radius = next_small_radius;
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofBackground(39);

ofSetWindowTitle("Insta");

ofNoFill();

ofSetColor(239);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);

int deg_span = 8;

ofRotate(deg_span * 0.5f);

float radius = 150;

float small_radius = 0;

for (int i = 0; radius < 330; i++) {

if (small_radius == 0) {

ofPoint p1 = ofPoint(radius * cos(0), radius * sin(0));

ofPoint p2 = ofPoint(radius * cos(deg_span * DEG_TO_RAD), radius * sin(deg_span * DEG_TO_RAD));

small_radius = p1.distance(p2) * 0.5;

}

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

float noise_value = ofMap(ofNoise(i * 0.1, deg * 0.02 + ofGetFrameNum() * 0.03), 0, 1, 1, 10);

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

for (int tmp_noise_value = 0; tmp_noise_value <= noise_value; tmp_noise_value += 2) {

ofDrawCircle(point, small_radius * tmp_noise_value * 0.1);

}

float next_small_radius = 0;

float tmp_radius = radius;

while (radius < tmp_radius + small_radius + next_small_radius) {

ofPoint p1 = ofPoint(radius * cos(0), radius * sin(0));

ofPoint p2 = ofPoint(radius * cos(deg_span * DEG_TO_RAD), radius * sin(deg_span * DEG_TO_RAD));

next_small_radius = p1.distance(p2) * 0.5;

radius += 0.1;

}

small_radius = next_small_radius;

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180530

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2018年5月28日2018年5月28日

わっかっか openFrameworks

[ Video ]

[ About ]
円の透過度を下げながらZ軸に移動しています。

[ 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 Member
	ofEasyCam cam;

	// Make Method
	void draw_circles(ofPoint point, ofColor color);
};

#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 Member

ofEasyCam cam;

// Make Method

void draw_circles(ofPoint point, ofColor color);

};

#include "ofApp.h"

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

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

	ofNoFill();
	ofSetLineWidth(3);
	ofEnableDepthTest();
}

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

}

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

	this->cam.begin();

	this->draw_circles(ofPoint(-110, 0), ofColor(39));
	ofRotateX(180);
	this->draw_circles(ofPoint(110, 0), ofColor(39));

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::draw_circles(ofPoint point, ofColor color) {

	// Translate Coordinate
	ofPushMatrix();
	ofTranslate(point);

	// Initialize Param Variable
	int radius = 100;
	int circle_span = 20;
	int number_of_circle = 13;

	// Draw Circles
	for (int i = 0; i < number_of_circle; i++) {

		float z = i * circle_span + (int)(ofGetFrameNum() * 0.5) % circle_span;
		ofSetColor(color, ofMap(z, 0, circle_span * number_of_circle, 255, 0));

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

			float x = radius * cos(deg * DEG_TO_RAD);
			float y = radius * sin(deg * DEG_TO_RAD);
			ofVertex(x, y, z);
		}
		ofEndShape(true);
	}

	// Draw Bottom Circle
	ofSetColor(color, ofMap((int)(ofGetFrameNum() * 0.5) % circle_span, 0, circle_span, 0, 255));
	ofBeginShape();
	for (int deg = 0; deg < 360; deg++) {

		float x = radius * cos(deg * DEG_TO_RAD);
		float y = radius * sin(deg * DEG_TO_RAD);
		ofVertex(x, y, 0);
	}
	ofEndShape(true);

	ofPopMatrix();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofNoFill();

ofSetLineWidth(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

this->draw_circles(ofPoint(-110, 0), ofColor(39));

ofRotateX(180);

this->draw_circles(ofPoint(110, 0), ofColor(39));

this->cam.end();

}

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

void ofApp::draw_circles(ofPoint point, ofColor color) {

// Translate Coordinate

ofPushMatrix();

ofTranslate(point);

// Initialize Param Variable

int radius = 100;

int circle_span = 20;

int number_of_circle = 13;

// Draw Circles

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

float z = i * circle_span + (int)(ofGetFrameNum() * 0.5) % circle_span;

ofSetColor(color, ofMap(z, 0, circle_span * number_of_circle, 255, 0));

ofBeginShape();

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

float x = radius * cos(deg * DEG_TO_RAD);

float y = radius * sin(deg * DEG_TO_RAD);

ofVertex(x, y, z);

}

ofEndShape(true);

}

// Draw Bottom Circle

ofSetColor(color, ofMap((int)(ofGetFrameNum() * 0.5) % circle_span, 0, circle_span, 0, 255));

ofBeginShape();

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

float x = radius * cos(deg * DEG_TO_RAD);

float y = radius * sin(deg * DEG_TO_RAD);

ofVertex(x, y, 0);

}

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180528

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