プログラミング de 落描き – ページ 689 – クリエイティブ・コーディングによる生成物とソース

2019年7月3日2019年7月3日

Slide character. openFrameworks

[ Video ]

[ About ]
ずれる文字たち

Slide characters.

[ 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) {};

	ofTrueTypeFont font;
	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 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) {};

ofTrueTypeFont font;

ofEasyCam cam;

};

#include "ofApp.h"	

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetLineWidth(3);
	ofEnableDepthTest();

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 300, true, true, true);
}

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

	ofSeedRandom(39);
}

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

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

	auto noise_seed_x = ofRandom(1000);
	auto noise_seed_y = ofRandom(1000);
	for (char c = 'A'; c <= 'Z'; c++) {

		auto x = 0;
		auto y = 0;
		auto z = ofMap(c, 'A', 'Z', -300, 300);
		auto noise_value_x = ofNoise(noise_seed_x, (ofGetFrameNum() + z) * 0.005);
		if (noise_value_x < 0.25) {

			x = ofMap(noise_value_x, 0, 0.25, -300, 0);
		}
		else if (noise_value_x >= 0.75) {

			x = ofMap(noise_value_x, 0.75, 1, 0, 300);
		}

		auto noise_value_y = ofNoise(noise_seed_y, (ofGetFrameNum() + z) * 0.005);
		if (noise_value_y < 0.25) {

			y = ofMap(noise_value_y, 0, 0.25, -300, 0);
		}
		else if (noise_value_y >= 0.75) {

			y = ofMap(noise_value_y, 0.75, 1, 0, 300);
		}
		auto location = glm::vec3(x - 150, y + 150, z);

		auto path = font.getCharacterAsPoints(c, true, false);
		auto outline = path.getOutline();

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

			for (auto& vertex : outline[line_index].getVertices()) {
				
				vertex += location;
			}
		}

		ofFill();
		ofSetColor(239);
		ofBeginShape();
		for (int line_index = 0; line_index < outline.size(); line_index++) {

			if (line_index != 0) { ofNextContour(true); }

			auto vertices = outline[line_index].getVertices();
			ofVertices(vertices);
		}
		ofEndShape(true);

		ofNoFill();
		ofSetColor(39);
		ofBeginShape();
		for (int line_index = 0; line_index < outline.size(); line_index++) {

			if (line_index != 0) { ofNextContour(true); }

			auto vertices = outline[line_index].getVertices();
			ofVertices(vertices);
		}
		ofEndShape(true);
	}

	this->cam.end();
}

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

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

100

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(3);

ofEnableDepthTest();

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 300, true, true, true);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

auto noise_seed_x = ofRandom(1000);

auto noise_seed_y = ofRandom(1000);

for (char c = 'A'; c <= 'Z'; c++) {

auto x = 0;

auto y = 0;

auto z = ofMap(c, 'A', 'Z', -300, 300);

auto noise_value_x = ofNoise(noise_seed_x, (ofGetFrameNum() + z) * 0.005);

if (noise_value_x < 0.25) {

x = ofMap(noise_value_x, 0, 0.25, -300, 0);

}

else if (noise_value_x >= 0.75) {

x = ofMap(noise_value_x, 0.75, 1, 0, 300);

}

auto noise_value_y = ofNoise(noise_seed_y, (ofGetFrameNum() + z) * 0.005);

if (noise_value_y < 0.25) {

y = ofMap(noise_value_y, 0, 0.25, -300, 0);

}

else if (noise_value_y >= 0.75) {

y = ofMap(noise_value_y, 0.75, 1, 0, 300);

}

auto location = glm::vec3(x - 150, y + 150, z);

auto path = font.getCharacterAsPoints(c, true, false);

auto outline = path.getOutline();

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

for (auto& vertex : outline[line_index].getVertices()) {

vertex += location;

}

ofFill();

ofSetColor(239);

ofBeginShape();

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

if (line_index != 0) { ofNextContour(true); }

auto vertices = outline[line_index].getVertices();

ofVertices(vertices);

}

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

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

if (line_index != 0) { ofNextContour(true); }

auto vertices = outline[line_index].getVertices();

ofVertices(vertices);

}

ofEndShape(true);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190703

2019年7月2日

Rotate band. openFrameworks

[ Video ]

[ About ]
円周を移動する帯

Rotate band.

[ 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) {};

	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 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) {};

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofEnableDepthTest();
	ofSetLineWidth(3);
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);
}

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

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

	auto deg_span = 10;
	for (auto i = 0; i < 20; i++) {

		auto radius = (i + 1) * 7;
		auto width = (i + 1);
		auto noise_seed_x = ofRandom(1000);
		auto noise_seed_z = ofRandom(1000);
		
		ofPushMatrix();
		ofRotateY(ofMap(ofNoise(noise_seed_z, ofGetFrameNum() * 0.0005), 0, 1, -180, 180));
		ofRotateX(ofMap(ofNoise(noise_seed_x, ofGetFrameNum() * 0.0005), 0, 1, -180, 180));

		int deg_start = ofGetFrameNum() * 2 + radius;
		for (auto deg = deg_start; deg < deg_start + 120; deg += deg_span) {

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), width * 0.5));
			vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), width * -0.5));
			vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), width * -0.5));
			vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), width * 0.5));

			ofFill();
			ofSetColor(39, ofMap(deg, deg_start, deg_start + 120, 0, 255));
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);

			ofNoFill();
			ofSetColor(239);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);
		}

		ofPopMatrix();
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofEnableDepthTest();

ofSetLineWidth(3);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum());

auto deg_span = 10;

for (auto i = 0; i < 20; i++) {

auto radius = (i + 1) * 7;

auto width = (i + 1);

auto noise_seed_x = ofRandom(1000);

auto noise_seed_z = ofRandom(1000);

ofPushMatrix();

ofRotateY(ofMap(ofNoise(noise_seed_z, ofGetFrameNum() * 0.0005), 0, 1, -180, 180));

ofRotateX(ofMap(ofNoise(noise_seed_x, ofGetFrameNum() * 0.0005), 0, 1, -180, 180));

int deg_start = ofGetFrameNum() * 2 + radius;

for (auto deg = deg_start; deg < deg_start + 120; deg += deg_span) {

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), width * 0.5));

vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), width * -0.5));

vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), width * -0.5));

vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), width * 0.5));

ofFill();

ofSetColor(39, ofMap(deg, deg_start, deg_start + 120, 0, 255));

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190702

2019年7月1日2019年7月1日

Line of noise. openFrameworks

[ Video ]

[ About ]
ノイズ由来の線を結ぶ

Line of 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 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(239);
	ofSetColor(39);
	ofNoFill();
}
//--------------------------------------------------------------
void ofApp::update() {
	
	ofSeedRandom(39);
}

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

	array<float, 2> noise_seeds;
	for (int i = 0; i < noise_seeds.size(); i++) {
		
		noise_seeds[i] = ofRandom(1000);
	}

	auto span = 30;
	for (int x = 0; x <= ofGetWidth(); x += span) {

		vector<glm::vec2> vertices;

		int left_x = x - span * 0.5;
		int right_x = x + span * 0.5;

		vertices.push_back(glm::vec2(left_x, ofMap(ofNoise(noise_seeds[0], left_x * 0.0005 + ofGetFrameNum() * 0.003), 0, 1, 200, ofGetHeight() - 200)));
		vertices.push_back(glm::vec2(right_x, ofMap(ofNoise(noise_seeds[0], right_x * 0.0005 + ofGetFrameNum() * 0.003), 0, 1, 200, ofGetHeight() - 200)));
		vertices.push_back(glm::vec2(right_x, ofMap(ofNoise(noise_seeds[1], right_x * 0.0005 + ofGetFrameNum() * 0.003), 0, 1, 200, ofGetHeight() - 200)));
		vertices.push_back(glm::vec2(left_x, ofMap(ofNoise(noise_seeds[1], left_x * 0.0005 + ofGetFrameNum() * 0.003), 0, 1, 200, ofGetHeight() - 200)));

		auto distance = glm::distance(vertices[0], vertices[3]);
	
		ofFill();
		ofSetColor(39, ofMap(distance, 0, ofGetHeight() * 0.45, 255, 0));
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		ofNoFill();
		ofSetColor(239);
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofNoFill();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

array<float, 2> noise_seeds;

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

noise_seeds[i] = ofRandom(1000);

}

auto span = 30;

for (int x = 0; x <= ofGetWidth(); x += span) {

vector<glm::vec2> vertices;

int left_x = x - span * 0.5;

int right_x = x + span * 0.5;

vertices.push_back(glm::vec2(left_x, ofMap(ofNoise(noise_seeds[0], left_x * 0.0005 + ofGetFrameNum() * 0.003), 0, 1, 200, ofGetHeight() - 200)));

vertices.push_back(glm::vec2(right_x, ofMap(ofNoise(noise_seeds[0], right_x * 0.0005 + ofGetFrameNum() * 0.003), 0, 1, 200, ofGetHeight() - 200)));

vertices.push_back(glm::vec2(right_x, ofMap(ofNoise(noise_seeds[1], right_x * 0.0005 + ofGetFrameNum() * 0.003), 0, 1, 200, ofGetHeight() - 200)));

vertices.push_back(glm::vec2(left_x, ofMap(ofNoise(noise_seeds[1], left_x * 0.0005 + ofGetFrameNum() * 0.003), 0, 1, 200, ofGetHeight() - 200)));

auto distance = glm::distance(vertices[0], vertices[3]);

ofFill();

ofSetColor(39, ofMap(distance, 0, ofGetHeight() * 0.45, 255, 0));

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190701

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