openframeworks – ページ 604 – プログラミング de 落描き

2018年8月20日2018年8月20日

Multiple windows. openFrameworks

[ Video ]

[ About ]
複数のWindowで1枚の画像を表示してみました。

I tried display one image in multiple windows.

[ Source ]

#pragma once
#include "ofMain.h"
#include "ofAppGLFWWindow.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) {};

	ofImage image;

	int screen_width, screen_height;
	int window_width, window_height;
	float noise_seed_x, noise_seed_y;
	ofPoint window_position;
};

#pragma once

#include "ofMain.h"

#include "ofAppGLFWWindow.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) {};

ofImage image;

int screen_width, screen_height;

int window_width, window_height;

float noise_seed_x, noise_seed_y;

ofPoint window_position;

};

#include "ofApp.h"

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

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

	ofSetColor(0);
	ofSetColor(255);

	this->image.loadImage("images/image.jpg");

	this->screen_width = ofGetScreenWidth();
	this->screen_height = ofGetScreenHeight();
	this->window_width = ofGetWindowWidth();
	this->window_height = ofGetWindowHeight();
	this->noise_seed_x = ofRandom(100);
	this->noise_seed_y = ofRandom(100);
}

//--------------------------------------------------------------
void ofApp::update() {
	
	int x = ofMap(ofNoise(this->noise_seed_x + ofGetFrameNum() * 0.03), 0, 1, this->screen_width * -0.2, this->screen_width * 1.2) - this->window_width * 0.5;
	int y = ofMap(ofNoise(this->noise_seed_y + ofGetFrameNum() * 0.03), 0, 1, this->screen_height * -0.2, this->screen_height * 1.2) - this->window_height * 0.5;
	this->window_position = ofPoint(x, y);
	ofSetWindowPosition(this->window_position.x, this->window_position.y);
}

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

	ofTranslate(this->window_position * -1);
	this->image.draw(0, 0);
}

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

	ofGLFWWindowSettings settings;
	settings.setSize(200, 200);
	settings.resizable = false;

	for (int i = 0; i < 32; i++) {

		shared_ptr<ofAppBaseWindow> window = ofCreateWindow(settings);
		shared_ptr<ofApp> window_app(new ofApp);
		ofRunApp(window, window_app);
	}
	
	ofRunMainLoop();
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofSetColor(0);

ofSetColor(255);

this->image.loadImage("images/image.jpg");

this->screen_width = ofGetScreenWidth();

this->screen_height = ofGetScreenHeight();

this->window_width = ofGetWindowWidth();

this->window_height = ofGetWindowHeight();

this->noise_seed_x = ofRandom(100);

this->noise_seed_y = ofRandom(100);

}

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

void ofApp::update() {

int x = ofMap(ofNoise(this->noise_seed_x + ofGetFrameNum() * 0.03), 0, 1, this->screen_width * -0.2, this->screen_width * 1.2) - this->window_width * 0.5;

int y = ofMap(ofNoise(this->noise_seed_y + ofGetFrameNum() * 0.03), 0, 1, this->screen_height * -0.2, this->screen_height * 1.2) - this->window_height * 0.5;

this->window_position = ofPoint(x, y);

ofSetWindowPosition(this->window_position.x, this->window_position.y);

}

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

void ofApp::draw() {

ofTranslate(this->window_position * -1);

this->image.draw(0, 0);

}

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

int main() {

ofGLFWWindowSettings settings;

settings.setSize(200, 200);

settings.resizable = false;

for (int i = 0; i < 32; i++) {

shared_ptr<ofAppBaseWindow> window = ofCreateWindow(settings);

shared_ptr<ofApp> window_app(new ofApp);

ofRunApp(window, window_app);

}

ofRunMainLoop();

}

[ Link ]
https://github.com/junkiyoshi/Insta20180820

2018年8月19日2018年8月19日

Noise color circles. openframeworks

[ Video ]

[ About ]
パーリンノイズ(x座標 + y座標, フレーム番号)で生成した色で着色した円

Circle color is determined by Perlin Noise (x + y, frame number).

[ 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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

	ofBackground(39);
}

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

}

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

	int radius = 70;
	int circle_width = radius * 0.25;
	int deg_span = 15;

	for (int x = 72; x < ofGetWidth(); x += 144) {

		for (int y = 72; y < ofGetHeight(); y += 144) {

			ofPushMatrix();
			ofTranslate(x, y);

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

				ofColor color;
				ofPoint color_point(x + radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), y + radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD));
				float noise_value = ofNoise(color_point.x * 0.01 + color_point.y * 0.01, ofGetFrameNum() * 0.01) * 255;
				color.setHsb(noise_value, 200, 255);
				ofSetColor(color);

				vector<ofPoint> vertices;
				for (int d = deg; d <= deg + deg_span; d++) {

					vertices.push_back(ofPoint(radius * cos(d * DEG_TO_RAD), radius * sin(d * DEG_TO_RAD)));
				}

				for (int d = deg + deg_span; d >= deg; d--) {

					vertices.push_back(ofPoint((radius - circle_width)  * cos(d * DEG_TO_RAD), (radius - circle_width) * sin(d * DEG_TO_RAD)));
				}

				ofBeginShape();
				ofVertices(vertices);
				ofEndShape(true);
			}

			ofPopMatrix();
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(39);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int radius = 70;

int circle_width = radius * 0.25;

int deg_span = 15;

for (int x = 72; x < ofGetWidth(); x += 144) {

for (int y = 72; y < ofGetHeight(); y += 144) {

ofPushMatrix();

ofTranslate(x, y);

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

ofColor color;

ofPoint color_point(x + radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), y + radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD));

float noise_value = ofNoise(color_point.x * 0.01 + color_point.y * 0.01, ofGetFrameNum() * 0.01) * 255;

color.setHsb(noise_value, 200, 255);

ofSetColor(color);

vector<ofPoint> vertices;

for (int d = deg; d <= deg + deg_span; d++) {

vertices.push_back(ofPoint(radius * cos(d * DEG_TO_RAD), radius * sin(d * DEG_TO_RAD)));

}

for (int d = deg + deg_span; d >= deg; d--) {

vertices.push_back(ofPoint((radius - circle_width) * cos(d * DEG_TO_RAD), (radius - circle_width) * sin(d * DEG_TO_RAD)));

}

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180819

2018年8月18日

Number is changing. openFrameworks

[ Video ]

[ About ]
変化する数字。

Number is changing.

[ Souce ]

#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) {};

	void draw_blend_charactor(ofPoint point, char c1, char c2, float progress);

	int font_size;
	ofTrueTypeFont font;
	vector<char> charactors;
};

#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) {};

void draw_blend_charactor(ofPoint point, char c1, char c2, float progress);

int font_size;

ofTrueTypeFont font;

vector<char> charactors;

};

#include "ofApp.h"

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

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

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

	this->font_size = 120;
	this->font.loadFont("fonts/Kazesawa-bold.ttf", this->font_size, true, true, true);

	this->charactors = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' };
}

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

	ofSeedRandom(39);
}

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

	for (int x = 72; x < ofGetWidth(); x += 144) {

		for (int y = 72; y < ofGetHeight(); y += 144) {

			float noise_value = ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.002), 0, 1, 0, 1000);
			int index = noise_value * 0.01;
			int next_index = (index + 1) % this->charactors.size();
			int progress = noise_value - index * 100;

			this->draw_blend_charactor(ofPoint(x, y), this->charactors[index], this->charactors[next_index], progress);
		}
	}
}

//--------------------------------------------------------------
void ofApp::draw_blend_charactor(ofPoint point, char c1, char c2, float progress) {

	int total_sample_count = 60;

	ofPushMatrix();
	ofTranslate(point);

	ofPath path = this->font.getCharacterAsPoints(c1, true, false);
	vector<ofPolyline> outline = path.getOutline();
	int sample_count = total_sample_count / outline.size();
	vector<ofPoint> points;
	for (int outline_index = 0; outline_index < (int)outline.size(); outline_index++) {

		outline[outline_index] = outline[outline_index].getResampledByCount(sample_count);
		vector<glm::vec3> vertices = outline[outline_index].getVertices();
		for (size_t vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

			ofPoint point(vertices[vertices_index].x - this->font_size * 0.5, vertices[vertices_index].y + this->font_size * 0.5, vertices[vertices_index].z);
			points.push_back(point);
		}
	}

	ofPath next_path = this->font.getCharacterAsPoints(c2, true, false);
	vector<ofPolyline> next_outline = next_path.getOutline();
	int next_sample_count = total_sample_count / next_outline.size();
	vector<ofPoint> next_points;
	for (int outline_index = 0; outline_index < (int)next_outline.size(); outline_index++) {

		next_outline[outline_index] = next_outline[outline_index].getResampledByCount(next_sample_count);
		vector<glm::vec3> vertices = next_outline[outline_index].getVertices();
		for (size_t vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

			ofPoint point(vertices[vertices_index].x - this->font_size * 0.5, vertices[vertices_index].y + this->font_size * 0.5, vertices[vertices_index].z);
			next_points.push_back(point);
		}
	}

	vector<ofPoint> draw_points;
	for (int i = 0; i < total_sample_count; i++) {

		if (i < points.size() && i < next_points.size()) {

			ofPoint p = (next_points[i] - points[i]) * progress * 0.01 + points[i];
			draw_points.push_back(p);
		}
	}

	for (int i = 0; i < draw_points.size(); i++) {

		ofDrawCircle(draw_points[i], 2);
		for (int j = i + 1; j < draw_points.size(); j++) {

			if (draw_points[i].distance(draw_points[j]) < 15) {

				ofDrawLine(draw_points[i], draw_points[j]);
			}
		}
	}

	ofPopMatrix();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofSetColor(239);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

this->font_size = 120;

this->font.loadFont("fonts/Kazesawa-bold.ttf", this->font_size, true, true, true);

this->charactors = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' };

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

for (int x = 72; x < ofGetWidth(); x += 144) {

for (int y = 72; y < ofGetHeight(); y += 144) {

float noise_value = ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.002), 0, 1, 0, 1000);

int index = noise_value * 0.01;

int next_index = (index + 1) % this->charactors.size();

int progress = noise_value - index * 100;

this->draw_blend_charactor(ofPoint(x, y), this->charactors[index], this->charactors[next_index], progress);

}

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

void ofApp::draw_blend_charactor(ofPoint point, char c1, char c2, float progress) {

int total_sample_count = 60;

ofPushMatrix();

ofTranslate(point);

ofPath path = this->font.getCharacterAsPoints(c1, true, false);

vector<ofPolyline> outline = path.getOutline();

int sample_count = total_sample_count / outline.size();

vector<ofPoint> points;

for (int outline_index = 0; outline_index < (int)outline.size(); outline_index++) {

outline[outline_index] = outline[outline_index].getResampledByCount(sample_count);

vector<glm::vec3> vertices = outline[outline_index].getVertices();

for (size_t vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

ofPoint point(vertices[vertices_index].x - this->font_size * 0.5, vertices[vertices_index].y + this->font_size * 0.5, vertices[vertices_index].z);

points.push_back(point);

}

ofPath next_path = this->font.getCharacterAsPoints(c2, true, false);

vector<ofPolyline> next_outline = next_path.getOutline();

int next_sample_count = total_sample_count / next_outline.size();

vector<ofPoint> next_points;

for (int outline_index = 0; outline_index < (int)next_outline.size(); outline_index++) {

next_outline[outline_index] = next_outline[outline_index].getResampledByCount(next_sample_count);

vector<glm::vec3> vertices = next_outline[outline_index].getVertices();

for (size_t vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

ofPoint point(vertices[vertices_index].x - this->font_size * 0.5, vertices[vertices_index].y + this->font_size * 0.5, vertices[vertices_index].z);

next_points.push_back(point);

}

vector<ofPoint> draw_points;

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

if (i < points.size() && i < next_points.size()) {

ofPoint p = (next_points[i] - points[i]) * progress * 0.01 + points[i];

draw_points.push_back(p);

}

for (int i = 0; i < draw_points.size(); i++) {

ofDrawCircle(draw_points[i], 2);

for (int j = i + 1; j < draw_points.size(); j++) {

if (draw_points[i].distance(draw_points[j]) < 15) {

ofDrawLine(draw_points[i], draw_points[j]);

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180818

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