プログラミング de 落描き – ページ 720 – 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8月12日

Diverging sphere. openFrameworks

[ Video ]

[ About ]
発散球体。

Diverging 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 windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};
	
	ofEasyCam cam;
	vector<glm::vec3> 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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

vector<glm::vec3> locations;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(3);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(150, 2);
	auto triangles = ico_sphere.getMesh().getUniqueFaces();
	for (auto& triangle : triangles) {

		auto avg = glm::vec3(triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;
		this->locations.push_back(avg);
	}
}

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

	ofSeedRandom(39);
}

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

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

	vector<glm::vec3> tmp_locations;
	for (auto& location : this->locations) {

		auto radius = (((int)ofMap(ofNoise(location.x * 0.008, location.y * 0.008, location.z * 0.008, ofGetFrameNum() * 0.005), 0, 1, 0, 150) + ofGetFrameNum()) % 300) + 50;
		if (radius < 200) {

			radius = 200;
		}

		auto tmp_location = glm::normalize(location) * radius;
		tmp_locations.push_back(tmp_location);
	}

	for (auto& location : tmp_locations) {

		ofDrawSphere(location, 5);
		for (auto& other : tmp_locations) {

			if (location == other) { continue; }
			float distance = glm::distance(location, other);
			if (distance < 45){

				ofDrawLine(location, other);
			}
		}
	}

	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);

ofSetLineWidth(3);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(150, 2);

auto triangles = ico_sphere.getMesh().getUniqueFaces();

for (auto& triangle : triangles) {

auto avg = glm::vec3(triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;

this->locations.push_back(avg);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

vector<glm::vec3> tmp_locations;

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

auto radius = (((int)ofMap(ofNoise(location.x * 0.008, location.y * 0.008, location.z * 0.008, ofGetFrameNum() * 0.005), 0, 1, 0, 150) + ofGetFrameNum()) % 300) + 50;

if (radius < 200) {

radius = 200;

}

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

tmp_locations.push_back(tmp_location);

}

for (auto& location : tmp_locations) {

ofDrawSphere(location, 5);

for (auto& other : tmp_locations) {

if (location == other) { continue; }

float distance = glm::distance(location, other);

if (distance < 45){

ofDrawLine(location, other);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190812

2019年8月11日

Font rotate. openFrameworks

[ Video ]

[ About ]
文字回転。

Font rotate.

[ 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) {};
	
	int font_size;
	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) {};

int font_size;

ofTrueTypeFont font;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(3);

	this->font_size = 100;
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);
}

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

	ofSeedRandom(39);
}

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

	vector<char> charactors = {
		'A', 'B', 'C', 'D', 'E', 'F',
		'G', 'H', 'I', 'J', 'K', 'L',
		'M', 'N', 'O', 'P', 'Q', 'R',
		'S', 'T', 'U', 'V', 'W', 'X',
		'Y', 'Z', '!' };

	for (int char_index = 0; char_index < charactors.size(); char_index++) {

		ofPoint location = ofPoint(char_index % 6 * this->font_size * 1.2 + this->font_size * 0.7, char_index / 6 * this->font_size * 1.4 + this->font_size * 0.7);
		ofPushMatrix();
		ofTranslate(location);

		auto path = font.getCharacterAsPoints(charactors[char_index], true, false);
		auto outline = path.getOutline();

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

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

			outline[outline_index] = outline[outline_index].getResampledByCount(100);
			auto vertices = outline[outline_index].getVertices();
			for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

				auto point = glm::vec3(vertices[vertices_index].x - this->font.stringWidth(string{ charactors[char_index] }) * 0.5, vertices[vertices_index].y + this->font.stringHeight(string{ charactors[char_index] }) * 0.5, 0);
				int len = glm::length(point);
				auto noise_value = ofNoise(location.x, location.y, len * 0.005, ofGetFrameNum() * 0.008);

				if (noise_value <= 0.35) {

					auto rotation_z = glm::rotate(glm::mat4(), ofMap(noise_value, 0.0, 0.35, -PI, 0), glm::vec3(0, 0, 1));
					point = glm::vec4(point, 0) * rotation_z;
					ofVertex(glm::vec3(point));
				}
				else if (noise_value >= 0.65) {

					auto rotation_z = glm::rotate(glm::mat4(), ofMap(noise_value, 0.65, 1.0, 0, PI), glm::vec3(0, 0, 1));
					point = glm::vec4(point, 0) * rotation_z;
					ofVertex(glm::vec3(point));
				}
				else {

					ofVertex(glm::vec3(point));
				}
			}
		}
		ofEndShape(true);

		ofPopMatrix();
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(3);

this->font_size = 100;

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

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

vector<char> charactors = {

'A', 'B', 'C', 'D', 'E', 'F',

'G', 'H', 'I', 'J', 'K', 'L',

'M', 'N', 'O', 'P', 'Q', 'R',

'S', 'T', 'U', 'V', 'W', 'X',

'Y', 'Z', '!' };

for (int char_index = 0; char_index < charactors.size(); char_index++) {

ofPoint location = ofPoint(char_index % 6 * this->font_size * 1.2 + this->font_size * 0.7, char_index / 6 * this->font_size * 1.4 + this->font_size * 0.7);

ofPushMatrix();

ofTranslate(location);

auto path = font.getCharacterAsPoints(charactors[char_index], true, false);

auto outline = path.getOutline();

ofBeginShape();

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

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

outline[outline_index] = outline[outline_index].getResampledByCount(100);

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

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

auto point = glm::vec3(vertices[vertices_index].x - this->font.stringWidth(string{ charactors[char_index] }) * 0.5, vertices[vertices_index].y + this->font.stringHeight(string{ charactors[char_index] }) * 0.5, 0);

int len = glm::length(point);

auto noise_value = ofNoise(location.x, location.y, len * 0.005, ofGetFrameNum() * 0.008);

if (noise_value <= 0.35) {

auto rotation_z = glm::rotate(glm::mat4(), ofMap(noise_value, 0.0, 0.35, -PI, 0), glm::vec3(0, 0, 1));

point = glm::vec4(point, 0) * rotation_z;

ofVertex(glm::vec3(point));

}

else if (noise_value >= 0.65) {

auto rotation_z = glm::rotate(glm::mat4(), ofMap(noise_value, 0.65, 1.0, 0, PI), glm::vec3(0, 0, 1));

point = glm::vec4(point, 0) * rotation_z;

ofVertex(glm::vec3(point));

}

else {

ofVertex(glm::vec3(point));

}

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190811

2019年8月10日

Connect on circle point. openFrameworks

[ Video ]

[ About ]
円周上のポイントを結ぶ。

Connect on circle points.

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

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

	ofSeedRandom(39);
}

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

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

	auto radius = 100;
	vector<glm::vec3> locations;

	for (auto i = 0; i < 6; i++) {

		auto z = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.003), 0, 1, -150, 150);
		for (auto deg = 0; deg < 360; deg += 10) {

			locations.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z));
		}
	}

	for (auto& location : locations) {

		ofDrawSphere(location, 3);

		for (auto& other : locations) {

			float distance = glm::distance(location, other);
			if (distance < 35) {

				ofDrawLine(location, other);
			}
		}
	}

	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);

ofSetLineWidth(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(90);

auto radius = 100;

vector<glm::vec3> locations;

for (auto i = 0; i < 6; i++) {

auto z = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.003), 0, 1, -150, 150);

for (auto deg = 0; deg < 360; deg += 10) {

locations.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z));

}

for (auto& location : locations) {

ofDrawSphere(location, 3);

for (auto& other : locations) {

float distance = glm::distance(location, other);

if (distance < 35) {

ofDrawLine(location, other);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190810

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