プログラミング de 落描き – ページ 731 – 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5月17日

Overlap colors. openFrameworks

[ Video ]

[ About ]
色の重なり合わせ

Overlap colors.

[ 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) {};

	glm::vec2 make_point(int len, int param);
};

#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) {};

glm::vec2 make_point(int len, int param);

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetBackgroundAuto(false);

	ofSetLineWidth(1.5);
}

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

	ofSeedRandom(39);
}

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

	ofColor color;
	auto size = 144;
	for (auto x = size * 0.5; x < ofGetWidth(); x += size) {

		for (auto y = size * 0.5; y < ofGetHeight(); y += size) {

			float noise_seed_1 = ofRandom(1000);
			float noise_seed_2 = ofRandom(1000);

			int start_param = ofMap(ofNoise(noise_seed_1, ofGetFrameNum() * 0.005), 0, 1, 0, 100);
			int end_param = start_param + ofMap(ofNoise(noise_seed_2, ofGetFrameNum() * 0.005), 0, 1, 25, 50);

			color.setHsb(((int)ofRandom(1000) + ofGetFrameNum() * 3) % 255, 180, 255);
			ofSetColor(color);

			vector<glm::vec2> vertices;
			for (int param = start_param; param < end_param; param++) {

				vertices.push_back(this->make_point(size * 0.95, param) + glm::vec2(x, y));
			}

			ofFill();
			ofSetColor(color);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);

			ofNoFill();
			ofSetColor(39);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);
		}
	}
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetBackgroundAuto(false);

ofSetLineWidth(1.5);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofColor color;

auto size = 144;

for (auto x = size * 0.5; x < ofGetWidth(); x += size) {

for (auto y = size * 0.5; y < ofGetHeight(); y += size) {

float noise_seed_1 = ofRandom(1000);

float noise_seed_2 = ofRandom(1000);

int start_param = ofMap(ofNoise(noise_seed_1, ofGetFrameNum() * 0.005), 0, 1, 0, 100);

int end_param = start_param + ofMap(ofNoise(noise_seed_2, ofGetFrameNum() * 0.005), 0, 1, 25, 50);

color.setHsb(((int)ofRandom(1000) + ofGetFrameNum() * 3) % 255, 180, 255);

ofSetColor(color);

vector<glm::vec2> vertices;

for (int param = start_param; param < end_param; param++) {

vertices.push_back(this->make_point(size * 0.95, param) + glm::vec2(x, y));

}

ofFill();

ofSetColor(color);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190517

2019年5月16日2019年5月16日

Split sphere. openFrameworks

[ Video ]

[ About ]
バラバラな球体

Split 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(239);
	ofSetLineWidth(3);
	ofEnableDepthTest();
}

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

}

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

	this->cam.begin();
	ofRotateX(270);

	auto radius = 300;
	for (auto theta = 6; theta <= 180 - 8; theta += 8) {

		auto deg_start = theta * 5 + ofGetFrameNum() * 2;

		vector<glm::vec3> vertices, sub_vertices;
		for (auto deg = deg_start; deg <= deg_start + 180; deg += 1) {

			auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD),
				radius * sin(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD),
				radius * cos(theta * DEG_TO_RAD));
			vertices.push_back(location);

			auto sub_location = glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin((theta + 6) *DEG_TO_RAD),
				radius * sin(deg * DEG_TO_RAD) * sin((theta + 6) * DEG_TO_RAD),
				radius * cos((theta + 6) * DEG_TO_RAD));
			sub_vertices.push_back(sub_location);
		}

		if (vertices.size() > 0) {

			std::reverse(sub_vertices.begin(), sub_vertices.end());

			ofFill();
			ofSetColor(215, 0, 58);
			ofBeginShape();
			ofVertices(vertices);
			ofVertices(sub_vertices);
			ofEndShape();

			ofNoFill();
			ofSetColor(39);
			ofBeginShape();
			ofVertices(vertices);
			ofVertices(sub_vertices);
			ofEndShape(true);
		}
	}

	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);

ofSetLineWidth(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

auto radius = 300;

for (auto theta = 6; theta <= 180 - 8; theta += 8) {

auto deg_start = theta * 5 + ofGetFrameNum() * 2;

vector<glm::vec3> vertices, sub_vertices;

for (auto deg = deg_start; deg <= deg_start + 180; deg += 1) {

auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD),

radius * sin(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD),

radius * cos(theta * DEG_TO_RAD));

vertices.push_back(location);

auto sub_location = glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin((theta + 6) *DEG_TO_RAD),

radius * sin(deg * DEG_TO_RAD) * sin((theta + 6) * DEG_TO_RAD),

radius * cos((theta + 6) * DEG_TO_RAD));

sub_vertices.push_back(sub_location);

}

if (vertices.size() > 0) {

std::reverse(sub_vertices.begin(), sub_vertices.end());

ofFill();

ofSetColor(215, 0, 58);

ofBeginShape();

ofVertices(vertices);

ofVertices(sub_vertices);

ofEndShape();

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofVertices(sub_vertices);

ofEndShape(true);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190516

2019年5月15日2019年5月15日

Visualize only relationship. openFrameworks

[ Video ]

[ About ]
円に個性(色)付けして、関係性だけを可視化

Add color to circle and visualize only relationship.

[ 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(0);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofSetLineWidth(2);
}

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

	ofSeedRandom(39);
}

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

	auto radius = 15;
	auto span = 120;
	auto threshold = 80;
	ofColor color;

	vector<glm::vec2> locations;
	vector<ofColor> colors;
	for (auto i = 0; i < 100; i++) {

		auto location = glm::vec2(
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0005), 0, 1, 0, ofGetWidth()),
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0005), 0, 1, 0, ofGetHeight()));
		locations.push_back(location);

		color.setHsb(ofRandom(255), 230, 255);
		colors.push_back(color);
	}

	int index = 0;
	for (auto location : locations) {

		for (auto other : locations) {

			if (location == other) { continue; }

			auto distance = glm::distance(location, other);
			if (distance < threshold && distance > radius) {

				auto direction_rad = std::atan2(location.y - other.y, location.x - other.x);
				auto direction = direction_rad * RAD_TO_DEG;
				auto width = ofMap(distance, 0, threshold, 360, 3);

				ofSetColor(colors[index], threshold < threshold * 0.5 ? 255 : ofMap(distance, threshold * 0.5, threshold, 255, 0));

				ofNoFill();
				ofBeginShape();
				for (auto deg = direction - width * 0.5; deg <= direction + width * 0.5; deg++) {

					ofVertex(other.x + radius * cos(deg * DEG_TO_RAD), other.y + radius * sin(deg * DEG_TO_RAD));
				}
				ofEndShape();

				ofDrawLine(location + glm::vec2(radius * cos((direction + 180) * DEG_TO_RAD), radius * sin((direction + 180) * DEG_TO_RAD)), 
					other + glm::vec2(radius * cos(direction * DEG_TO_RAD), radius * sin(direction * DEG_TO_RAD)));
			}
		}

		index++;
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofSetLineWidth(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

auto radius = 15;

auto span = 120;

auto threshold = 80;

ofColor color;

vector<glm::vec2> locations;

vector<ofColor> colors;

for (auto i = 0; i < 100; i++) {

auto location = glm::vec2(

ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0005), 0, 1, 0, ofGetWidth()),

ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0005), 0, 1, 0, ofGetHeight()));

locations.push_back(location);

color.setHsb(ofRandom(255), 230, 255);

colors.push_back(color);

}

int index = 0;

for (auto location : locations) {

for (auto other : locations) {

if (location == other) { continue; }

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

if (distance < threshold && distance > radius) {

auto direction_rad = std::atan2(location.y - other.y, location.x - other.x);

auto direction = direction_rad * RAD_TO_DEG;

auto width = ofMap(distance, 0, threshold, 360, 3);

ofSetColor(colors[index], threshold < threshold * 0.5 ? 255 : ofMap(distance, threshold * 0.5, threshold, 255, 0));

ofNoFill();

ofBeginShape();

for (auto deg = direction - width * 0.5; deg <= direction + width * 0.5; deg++) {

ofVertex(other.x + radius * cos(deg * DEG_TO_RAD), other.y + radius * sin(deg * DEG_TO_RAD));

}

ofEndShape();

ofDrawLine(location + glm::vec2(radius * cos((direction + 180) * DEG_TO_RAD), radius * sin((direction + 180) * DEG_TO_RAD)),

other + glm::vec2(radius * cos(direction * DEG_TO_RAD), radius * sin(direction * DEG_TO_RAD)));

}

index++;

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190515

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