2019年3月 – ページ 6 – プログラミング de 落描き

2019年3月16日

Line running on sphere. openFrameworks

[ Video ]

[ About ]
球体上を走る線

Line runnning of sphere.

[ 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(0);
	ofEnableDepthTest();
	ofSetLineWidth(3);
}

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

	ofSeedRandom(39);
}

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

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

	int radius = 300;
	for (int line = 0; line < 120; line++) {

		auto base_location = glm::vec3(ofRandom(-radius, radius), (int)(ofRandom(-radius, radius) + ofGetFrameNum()) % (radius * 2) - radius, ofRandom(-radius, radius));
		glm::vec3 prev_location;

		for (int i = 0; i < 30; i++) {

			auto location = base_location + glm::vec3(0, i, 0);
			location = glm::normalize(location) * radius;

			auto rotation_y = glm::rotate(glm::mat4(), ofMap((ofGetFrameNum() + i) % 100, 0, 100, -PI, PI), glm::vec3(0, 1, 0));
			location = glm::vec4(location, 0) * rotation_y;

			if (i != 0) {

				ofSetColor(255, ofMap(location.z, -radius, radius, 255, 0));
				ofDrawLine(location, prev_location);
			}
			prev_location = location;
		}

		ofDrawSphere(prev_location, 3);
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableDepthTest();

ofSetLineWidth(3);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

int radius = 300;

for (int line = 0; line < 120; line++) {

auto base_location = glm::vec3(ofRandom(-radius, radius), (int)(ofRandom(-radius, radius) + ofGetFrameNum()) % (radius * 2) - radius, ofRandom(-radius, radius));

glm::vec3 prev_location;

for (int i = 0; i < 30; i++) {

auto location = base_location + glm::vec3(0, i, 0);

location = glm::normalize(location) * radius;

auto rotation_y = glm::rotate(glm::mat4(), ofMap((ofGetFrameNum() + i) % 100, 0, 100, -PI, PI), glm::vec3(0, 1, 0));

location = glm::vec4(location, 0) * rotation_y;

if (i != 0) {

ofSetColor(255, ofMap(location.z, -radius, radius, 255, 0));

ofDrawLine(location, prev_location);

}

prev_location = location;

}

ofDrawSphere(prev_location, 3);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190316

2019年3月15日2019年3月14日

Distorted fact. openFramewroks

[ Video ]

[ About ]
歪んだ真実(ダジャレ)

Distorted fact.

[ 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;

	int span;
	vector<glm::vec2> locations;
};

#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;

int span;

vector<glm::vec2> locations;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

	ofTrueTypeFont font;
	font.loadFont("fonts/Kazesawa-Bold.ttf", 200, true, true, true);
	this->span = 20;

	ofFbo fbo;
	fbo.allocate(ofGetWidth(), ofGetHeight());
	fbo.begin();
	ofClear(0);
	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

	string word = "FACT";
	font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word) * 0.5);

	fbo.end();

	ofPixels pixels;
	fbo.readToPixels(pixels);

	for (int x = 0; x < fbo.getWidth(); x += this->span) {

		for (int y = 0; y < fbo.getHeight(); y += this->span) {

			if (pixels.getColor(x, y) != ofColor(0, 0)) {

				this->locations.push_back(glm::vec2(x - ofGetWidth() * 0.5, ofGetHeight() - y - ofGetHeight() * 0.5));
			}
		}
	}
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	for (auto& location : this->locations) {

		for (int z = this->span * -1; z <= this->span * 1; z += this->span) {

			auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(location.x * 0.003, location.y * 0.003, z * 0.003, ofGetFrameNum() * 0.01), 0, 1, -PI * 0.5, PI * 0.5), glm::vec3(1, 0, 0));
			auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(location.x * 0.003, location.y * 0.003, z * 0.003, ofGetFrameNum() * 0.01), 0, 1, -PI * 0.5, PI * 0.5), glm::vec3(0, 1, 0));
			glm::vec3 box_location = glm::vec4(location, z, 0) * rotation_x * rotation_y;

			ofFill();
			ofSetColor(39);
			ofDrawBox(box_location, this->span - 1);

			ofNoFill();
			ofSetColor(239);
			ofDrawBox(box_location, this->span);
		}
	}

	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);

ofEnableDepthTest();

ofTrueTypeFont font;

font.loadFont("fonts/Kazesawa-Bold.ttf", 200, true, true, true);

this->span = 20;

ofFbo fbo;

fbo.allocate(ofGetWidth(), ofGetHeight());

fbo.begin();

ofClear(0);

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

string word = "FACT";

font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word) * 0.5);

fbo.end();

ofPixels pixels;

fbo.readToPixels(pixels);

for (int x = 0; x < fbo.getWidth(); x += this->span) {

for (int y = 0; y < fbo.getHeight(); y += this->span) {

if (pixels.getColor(x, y) != ofColor(0, 0)) {

this->locations.push_back(glm::vec2(x - ofGetWidth() * 0.5, ofGetHeight() - y - ofGetHeight() * 0.5));

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

for (auto& location : this->locations) {

for (int z = this->span * -1; z <= this->span * 1; z += this->span) {

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(location.x * 0.003, location.y * 0.003, z * 0.003, ofGetFrameNum() * 0.01), 0, 1, -PI * 0.5, PI * 0.5), glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(location.x * 0.003, location.y * 0.003, z * 0.003, ofGetFrameNum() * 0.01), 0, 1, -PI * 0.5, PI * 0.5), glm::vec3(0, 1, 0));

glm::vec3 box_location = glm::vec4(location, z, 0) * rotation_x * rotation_y;

ofFill();

ofSetColor(39);

ofDrawBox(box_location, this->span - 1);

ofNoFill();

ofSetColor(239);

ofDrawBox(box_location, this->span);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190315

2019年3月14日2019年3月14日

Aa. openFrameworks

[ Video ]

[ About ]
ofTrueTypeFontの座標を元にBoxを配置。ノイズ関数で描写の有無を決定

Arrange the box based on coordinates of ofTrueTypeFont.
Determine presence or absence of depicition with Perlin 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) {};

	ofEasyCam cam;

	ofTrueTypeFont font;
	int span;
	vector<glm::vec2> locations;
};

#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;

ofTrueTypeFont font;

int span;

vector<glm::vec2> locations;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 450, true, true, true);
	this->span = 20;

	ofFbo fbo;
	fbo.allocate(ofGetWidth(), ofGetHeight());
	fbo.begin();
	ofClear(0);
	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

	string word = "Aa";
	this->font.drawString(word, this->font.stringWidth(word) * -0.5, this->font.stringHeight(word) * 0.5);

	fbo.end();

	ofPixels pixels;
	fbo.readToPixels(pixels);

	for (int x = 0; x < fbo.getWidth(); x += this->span) {

		for (int y = 0; y < fbo.getHeight(); y += this->span) {

			if (pixels.getColor(x, y) != ofColor(0, 0)) {

				this->locations.push_back(glm::vec2(x - ofGetWidth() * 0.5, ofGetHeight() - y - ofGetHeight() * 0.5));
			}
		}
	}
}

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

}

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

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

	for (auto& location : this->locations) {

		for (int z = this->span * -2; z <= this->span * 2; z += this->span) {

			float noise_value = ofNoise(location.x * 0.0045, location.y * 0.0045, z * 0.05, ofGetFrameNum() * 0.02);

			if (noise_value > 0.5) {

				ofFill();
				ofSetColor(39);
				ofDrawBox(glm::vec3(location, z), this->span - 1);

				ofNoFill();
				ofSetColor(239);
				ofDrawBox(glm::vec3(location, z), this->span);
			}
		}
	}

	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);

ofEnableDepthTest();

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 450, true, true, true);

this->span = 20;

ofFbo fbo;

fbo.allocate(ofGetWidth(), ofGetHeight());

fbo.begin();

ofClear(0);

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

string word = "Aa";

this->font.drawString(word, this->font.stringWidth(word) * -0.5, this->font.stringHeight(word) * 0.5);

fbo.end();

ofPixels pixels;

fbo.readToPixels(pixels);

for (int x = 0; x < fbo.getWidth(); x += this->span) {

for (int y = 0; y < fbo.getHeight(); y += this->span) {

if (pixels.getColor(x, y) != ofColor(0, 0)) {

this->locations.push_back(glm::vec2(x - ofGetWidth() * 0.5, ofGetHeight() - y - ofGetHeight() * 0.5));

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum());

for (auto& location : this->locations) {

for (int z = this->span * -2; z <= this->span * 2; z += this->span) {

float noise_value = ofNoise(location.x * 0.0045, location.y * 0.0045, z * 0.05, ofGetFrameNum() * 0.02);

if (noise_value > 0.5) {

ofFill();

ofSetColor(39);

ofDrawBox(glm::vec3(location, z), this->span - 1);

ofNoFill();

ofSetColor(239);

ofDrawBox(glm::vec3(location, z), this->span);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190314

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