2018年4月 – ページ 9 – プログラミング de 落描き

2018年4月6日2018年4月5日

Clocks openFrameworks

[ Video ]

[ About ]
Noiseの値を動画のフレーム数に置き換えて、ピルセルごとで時間の歪みがある動画を作った事があったのですが、そもそも直感的にわかる時計に置き換えたら面白いかなと思い付き。

良き。

[ 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
	void draw_clock(ofPoint point, int minute, int radius);

	// Make Variable
	ofTrueTypeFont font;
};

#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

void draw_clock(ofPoint point, int minute, int radius);

// Make Variable

ofTrueTypeFont font;

};

#include "ofApp.h"

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

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

	ofNoFill();
	ofEnableSmoothing();
	ofSetColor(39);

	this->font.loadFont("fonts/Kazesawa-Extrabold.ttf", 16, true, false, true);
}

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

}

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

	int span = 60;
	for (int x = span; x < ofGetWidth() + span; x += span * 2) {

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

			int minute = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.005) * 720;
			this->draw_clock(ofPoint(x, y), minute, span * 0.95);
		}
	}
}

//--------------------------------------------------------------
void ofApp::draw_clock(ofPoint point, int minute, int radius){

	ofPushMatrix();
	ofTranslate(point);

	ofNoFill();

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

		ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
	}
	ofEndShape(true);

	int time = minute / 60;
	minute = minute - time * 60;
	int time_deg = time * 30 + ofMap(minute, 0, 59, 0, 30);
	int minute_deg = minute * 6;

	ofSetLineWidth(5);
	ofDrawLine(ofPoint(), ofPoint(radius * 0.6 * cos(time_deg * DEG_TO_RAD), radius * 0.6 * sin(time_deg * DEG_TO_RAD)));

	ofSetLineWidth(3);
	ofDrawLine(ofPoint(), ofPoint(radius * 0.8 * cos(minute_deg * DEG_TO_RAD), radius * 0.8 * sin(minute_deg * DEG_TO_RAD)));

	ofFill();
	ofDrawCircle(ofPoint(), 5);

	ofPopMatrix();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofNoFill();

ofEnableSmoothing();

ofSetColor(39);

this->font.loadFont("fonts/Kazesawa-Extrabold.ttf", 16, true, false, true);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int span = 60;

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

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

int minute = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.005) * 720;

this->draw_clock(ofPoint(x, y), minute, span * 0.95);

}

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

void ofApp::draw_clock(ofPoint point, int minute, int radius){

ofPushMatrix();

ofTranslate(point);

ofNoFill();

ofBeginShape();

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

ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

}

ofEndShape(true);

int time = minute / 60;

minute = minute - time * 60;

int time_deg = time * 30 + ofMap(minute, 0, 59, 0, 30);

int minute_deg = minute * 6;

ofSetLineWidth(5);

ofDrawLine(ofPoint(), ofPoint(radius * 0.6 * cos(time_deg * DEG_TO_RAD), radius * 0.6 * sin(time_deg * DEG_TO_RAD)));

ofSetLineWidth(3);

ofDrawLine(ofPoint(), ofPoint(radius * 0.8 * cos(minute_deg * DEG_TO_RAD), radius * 0.8 * sin(minute_deg * DEG_TO_RAD)));

ofFill();

ofDrawCircle(ofPoint(), 5);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180405

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2018年4月5日2018年4月4日

Box枠枠Line openFrameworks

[ Video ]

[ About ]
Boxの枠を描写してしています。それぞれの枠上の座標でNoise関数を使い、描写する/しないを分けているので、部分的に描写されます。

視点によって微妙に見えてくるものが違ってくるので、ぼーっと眺めていると面白いかと思います。

[ 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) {};

	ofEasyCam cam;
	void draw_box(ofPoint point, float length);
	void draw_line(ofPoint p_1, ofPoint p_2);
};

#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;

void draw_box(ofPoint point, float length);

void draw_line(ofPoint p_1, ofPoint p_2);

};

#include "ofApp.h"

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

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

	ofEnableDepthTest();
}

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

}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.5);

	int length = 250;
	int span = 50;
	for (int x = -length / 2 + span / 2; x <= length / 2 - span / 2; x += span) {

		for (int y = -length / 2 + span / 2; y <= length / 2 - span / 2; y += span) {

			for (int z = -length / 2 + span / 2; z <= length / 2 - span / 2; z += span) {

				this->draw_box(ofPoint(x, y, z), span);
			}
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::draw_box(ofPoint point, float length) {

	for (int x = point.x - length / 2; x < point.x + length / 2; x += 1) {

		int y_1 = point.y - length / 2;
		int y_2 = point.y + length / 2;
		int z_1 = point.z - length / 2;
		int z_2 = point.z + length / 2;

		this->draw_line(ofPoint(x, y_1, z_1), ofPoint(x + 1, y_1, z_1));
		this->draw_line(ofPoint(x, y_1, z_2), ofPoint(x + 1, y_1, z_2));
		this->draw_line(ofPoint(x, y_2, z_1), ofPoint(x + 1, y_2, z_1));
		this->draw_line(ofPoint(x, y_2, z_2), ofPoint(x + 1, y_2, z_2));
	}

	for (int y = point.y - length / 2; y < point.y + length / 2; y += 1) {

		int x_1 = point.x - length / 2;
		int x_2 = point.x + length / 2;
		int z_1 = point.z - length / 2;
		int z_2 = point.z + length / 2;

		this->draw_line(ofPoint(x_1, y, z_1), ofPoint(x_1, y + 1, z_1));
		this->draw_line(ofPoint(x_1, y, z_2), ofPoint(x_1, y + 1, z_2));
		this->draw_line(ofPoint(x_2, y, z_1), ofPoint(x_2, y + 1, z_1));
		this->draw_line(ofPoint(x_2, y, z_2), ofPoint(x_2, y + 1, z_2));
	}

	for (int z = point.z - length / 2; z < point.z + length / 2; z += 1) {

		int x_1 = point.x - length / 2;
		int x_2 = point.x + length / 2;
		int y_1 = point.y - length / 2;
		int y_2 = point.y + length / 2;

		this->draw_line(ofPoint(x_1, y_1, z), ofPoint(x_1, y_1, z + 1));
		this->draw_line(ofPoint(x_1, y_2, z), ofPoint(x_1, y_2, z + 1));
		this->draw_line(ofPoint(x_2, y_1, z), ofPoint(x_2, y_1, z + 1));
		this->draw_line(ofPoint(x_2, y_2, z), ofPoint(x_2, y_2, z + 1));
	}
}

//--------------------------------------------------------------
void ofApp::draw_line(ofPoint p_1, ofPoint p_2) {

	float noise_value = ofNoise(p_1.x * 0.005, p_1.y * 0.005 + ofGetFrameNum() * 0.025, p_1.z * 0.005);
	if (noise_value > 0.5) {
	
		ofSetColor(239, ofMap(noise_value, 0, 1, 0, 255));
		ofDrawLine(p_1, p_2);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(39);

ofSetWindowTitle("Insta");

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

int length = 250;

int span = 50;

for (int x = -length / 2 + span / 2; x <= length / 2 - span / 2; x += span) {

for (int y = -length / 2 + span / 2; y <= length / 2 - span / 2; y += span) {

for (int z = -length / 2 + span / 2; z <= length / 2 - span / 2; z += span) {

this->draw_box(ofPoint(x, y, z), span);

}

this->cam.end();

}

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

void ofApp::draw_box(ofPoint point, float length) {

for (int x = point.x - length / 2; x < point.x + length / 2; x += 1) {

int y_1 = point.y - length / 2;

int y_2 = point.y + length / 2;

int z_1 = point.z - length / 2;

int z_2 = point.z + length / 2;

this->draw_line(ofPoint(x, y_1, z_1), ofPoint(x + 1, y_1, z_1));

this->draw_line(ofPoint(x, y_1, z_2), ofPoint(x + 1, y_1, z_2));

this->draw_line(ofPoint(x, y_2, z_1), ofPoint(x + 1, y_2, z_1));

this->draw_line(ofPoint(x, y_2, z_2), ofPoint(x + 1, y_2, z_2));

}

for (int y = point.y - length / 2; y < point.y + length / 2; y += 1) {

int x_1 = point.x - length / 2;

int x_2 = point.x + length / 2;

int z_1 = point.z - length / 2;

int z_2 = point.z + length / 2;

this->draw_line(ofPoint(x_1, y, z_1), ofPoint(x_1, y + 1, z_1));

this->draw_line(ofPoint(x_1, y, z_2), ofPoint(x_1, y + 1, z_2));

this->draw_line(ofPoint(x_2, y, z_1), ofPoint(x_2, y + 1, z_1));

this->draw_line(ofPoint(x_2, y, z_2), ofPoint(x_2, y + 1, z_2));

}

for (int z = point.z - length / 2; z < point.z + length / 2; z += 1) {

int x_1 = point.x - length / 2;

int x_2 = point.x + length / 2;

int y_1 = point.y - length / 2;

int y_2 = point.y + length / 2;

this->draw_line(ofPoint(x_1, y_1, z), ofPoint(x_1, y_1, z + 1));

this->draw_line(ofPoint(x_1, y_2, z), ofPoint(x_1, y_2, z + 1));

this->draw_line(ofPoint(x_2, y_1, z), ofPoint(x_2, y_1, z + 1));

this->draw_line(ofPoint(x_2, y_2, z), ofPoint(x_2, y_2, z + 1));

}

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

void ofApp::draw_line(ofPoint p_1, ofPoint p_2) {

float noise_value = ofNoise(p_1.x * 0.005, p_1.y * 0.005 + ofGetFrameNum() * 0.025, p_1.z * 0.005);

if (noise_value > 0.5) {

ofSetColor(239, ofMap(noise_value, 0, 1, 0, 255));

ofDrawLine(p_1, p_2);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180404

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2018年4月4日2018年4月3日

トーラス対線 openFrameworks

[ Video ]

[ About ]
トーラス座標を180度対線で結んでみました。

[ 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) {};

	ofEasyCam cam;
	ofPoint make_point(float radius, float small_radius, float deg, float small_deg);
};

#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;

ofPoint make_point(float radius, float small_radius, float deg, float small_deg);

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofBackground(239);
	ofSetWindowTitle("Insta");

	ofEnableDepthTest();
	ofSetColor(39, 139);
}

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

}

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

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

	float radius = 350;
	float small_radius = 50;

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

		ofPoint p1 = make_point(radius, small_radius, deg, deg * 8 + ofGetFrameNum());
		ofPoint p2 = make_point(radius, small_radius, deg + 180, deg * 8 + ofGetFrameNum());

		ofDrawLine(p1, p2);
		ofDrawSphere(p1, 2);
	}

	this->cam.end();
}

//--------------------------------------------------------------
ofPoint ofApp::make_point(float radius, float small_radius, float deg, float small_deg) {

	float x_1 = radius * cos(deg * DEG_TO_RAD);
	float y_1 = radius * sin(deg * DEG_TO_RAD);

	float x_2 = small_radius * cos(small_deg * DEG_TO_RAD) * cos(deg * DEG_TO_RAD);
	float y_2 = small_radius * cos(small_deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD);

	float x = x_1 + x_2;
	float y = y_1 + y_2;
	float z = small_radius * sin(small_deg * DEG_TO_RAD);

	return ofPoint(x, y, z);
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofBackground(239);

ofSetWindowTitle("Insta");

ofEnableDepthTest();

ofSetColor(39, 139);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

float radius = 350;

float small_radius = 50;

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

ofPoint p1 = make_point(radius, small_radius, deg, deg * 8 + ofGetFrameNum());

ofPoint p2 = make_point(radius, small_radius, deg + 180, deg * 8 + ofGetFrameNum());

ofDrawLine(p1, p2);

ofDrawSphere(p1, 2);

}

this->cam.end();

}

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

ofPoint ofApp::make_point(float radius, float small_radius, float deg, float small_deg) {

float x_1 = radius * cos(deg * DEG_TO_RAD);

float y_1 = radius * sin(deg * DEG_TO_RAD);

float x_2 = small_radius * cos(small_deg * DEG_TO_RAD) * cos(deg * DEG_TO_RAD);

float y_2 = small_radius * cos(small_deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD);

float x = x_1 + x_2;

float y = y_1 + y_2;

float z = small_radius * sin(small_deg * DEG_TO_RAD);

return ofPoint(x, y, z);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180403

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