プログラミング de 落描き – ページ 794 – 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27日2019年5月27日

Satellite sphere. openFrameworks

[ Video ]

[ About ]
親球体の周りをくるくる回る子供球体。

Satellite 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() {

	ofSeedRandom(39);
}

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

	this->cam.begin();

	int number_of_satellite = 10;
	int number_of_log = 15;

	auto base_seed_x = ofRandom(1000);
	auto base_seed_y = ofRandom(1000);
	auto base_location = glm::vec3(ofMap(ofNoise(base_seed_x, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -250, 250), ofMap(ofNoise(base_seed_y, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -250, 250), 0);
	auto base_radius = 80;

	ofFill();
	ofSetColor(239);
	ofDrawCircle(base_location, base_radius - 2);
	ofNoFill();
	ofSetColor(39);
	ofDrawCircle(base_location, base_radius);

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

		float noise_seed_x = ofRandom(1000);
		float noise_seed_y = ofRandom(1000);
		auto location = glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1));
		location = glm::normalize(location) * base_radius * 1.5;
		auto prev_location = glm::vec3();
		for (int k = 0; k < number_of_log; k++) {

			auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_y, (ofGetFrameNum() + k) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0));
			auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_x, (ofGetFrameNum() + k) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));
			auto tmp_base_location = glm::vec3(ofMap(ofNoise(base_seed_x, (ofGetFrameNum() + k) * 0.005), 0, 1, -250, 250), ofMap(ofNoise(base_seed_y, (ofGetFrameNum() + k) * 0.005), 0, 1, -250, 250), 0);
			auto draw_location = tmp_base_location + glm::vec4(location, 0) * rotation_y * rotation_x;

			if (k > 0) {

				ofSetColor(39);
				ofDrawLine(prev_location, draw_location);
			}

			prev_location = draw_location;
		}

		ofDrawSphere(prev_location, base_radius * 0.1);
	}

	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() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

int number_of_satellite = 10;

int number_of_log = 15;

auto base_seed_x = ofRandom(1000);

auto base_seed_y = ofRandom(1000);

auto base_location = glm::vec3(ofMap(ofNoise(base_seed_x, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -250, 250), ofMap(ofNoise(base_seed_y, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -250, 250), 0);

auto base_radius = 80;

ofFill();

ofSetColor(239);

ofDrawCircle(base_location, base_radius - 2);

ofNoFill();

ofSetColor(39);

ofDrawCircle(base_location, base_radius);

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

float noise_seed_x = ofRandom(1000);

float noise_seed_y = ofRandom(1000);

auto location = glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1));

location = glm::normalize(location) * base_radius * 1.5;

auto prev_location = glm::vec3();

for (int k = 0; k < number_of_log; k++) {

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_y, (ofGetFrameNum() + k) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0));

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_x, (ofGetFrameNum() + k) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));

auto tmp_base_location = glm::vec3(ofMap(ofNoise(base_seed_x, (ofGetFrameNum() + k) * 0.005), 0, 1, -250, 250), ofMap(ofNoise(base_seed_y, (ofGetFrameNum() + k) * 0.005), 0, 1, -250, 250), 0);

auto draw_location = tmp_base_location + glm::vec4(location, 0) * rotation_y * rotation_x;

if (k > 0) {

ofSetColor(39);

ofDrawLine(prev_location, draw_location);

}

prev_location = draw_location;

}

ofDrawSphere(prev_location, base_radius * 0.1);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190527

2019年5月26日

Bend rectangle. openFrameworks

[ Video ]

[ About ]
パタパタする四角形

Bend rectangle.

[ 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() {

	ofSeedRandom(39);
}

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

	this->cam.begin();

	auto len = 100.f;
	auto base = glm::vec3();
	vector<glm::vec3> rectangle;
	rectangle.push_back(glm::vec3(0, -len * 0.5, 0));
	rectangle.push_back(glm::vec3(len, -len * 0.5, 0));
	rectangle.push_back(glm::vec3(len, len * 0.5, 0));
	rectangle.push_back(glm::vec3(0, len * 0.5, 0));

	for (auto y = -len * 3; y <= len * 3; y += len) {

		base = glm::vec3(0, y, 0);
		for (int i = 0; i < 6; i++) {

			float noise_seed_y = ofRandom(1000);
			vector<glm::vec3> locations;
			for (auto rect : rectangle) {

				auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_y, ofGetFrameNum() * 0.005), 0, 1, -PI * 0.25, PI * 0.25), glm::vec3(0, 1, 0));
				locations.push_back(base + glm::vec4(rect, 0) * rotation_y);
			}

			ofFill();
			ofSetColor(239);
			ofBeginShape();
			ofVertices(locations);
			ofEndShape(true);

			ofNoFill();
			ofSetColor(39);
			ofBeginShape();
			ofVertices(locations);
			ofEndShape(true);

			base = glm::vec3(locations[1].x, base.y, locations[1].z);
		}
	}

	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() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

auto len = 100.f;

auto base = glm::vec3();

vector<glm::vec3> rectangle;

rectangle.push_back(glm::vec3(0, -len * 0.5, 0));

rectangle.push_back(glm::vec3(len, -len * 0.5, 0));

rectangle.push_back(glm::vec3(len, len * 0.5, 0));

rectangle.push_back(glm::vec3(0, len * 0.5, 0));

for (auto y = -len * 3; y <= len * 3; y += len) {

base = glm::vec3(0, y, 0);

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

float noise_seed_y = ofRandom(1000);

vector<glm::vec3> locations;

for (auto rect : rectangle) {

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_y, ofGetFrameNum() * 0.005), 0, 1, -PI * 0.25, PI * 0.25), glm::vec3(0, 1, 0));

locations.push_back(base + glm::vec4(rect, 0) * rotation_y);

}

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(locations);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(locations);

ofEndShape(true);

base = glm::vec3(locations[1].x, base.y, locations[1].z);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190526

2019年5月25日

Rotate square. openFrameworks

[ Video ]

[ About ]
四角形の帯を回転

Rotate square.

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

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

	ofSeedRandom(39);
}

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

	auto rect_width = 30;
	auto rect_length = 180;
	for (int x = rect_length * 0.5; x < ofGetWidth(); x += rect_length) {

		for (int y = rect_length * 0.5; y < ofGetHeight(); y += rect_length) {

			auto noise_seed_y = ofRandom(1000);
			auto noise_seed_x = ofRandom(1000);
			for (int len = rect_width; len < rect_length; len += rect_width) {

				ofPushMatrix();
				ofTranslate(x, y);
				ofRotateY(ofMap(ofNoise(noise_seed_y, len * 0.003 + ofGetFrameNum() * 0.003), 0, 1, -180, 180));
				ofRotateX(ofMap(ofNoise(noise_seed_x, len * 0.003 + ofGetFrameNum() * 0.003), 0, 1, -180, 180));

				vector<glm::vec2> vertices, inner_vertices;

				auto tmp_len = len - 5;
				vertices.push_back(glm::vec2(-tmp_len * 0.5, -tmp_len * 0.5));
				vertices.push_back(glm::vec2(tmp_len * 0.5, -tmp_len * 0.5));
				vertices.push_back(glm::vec2(tmp_len * 0.5, tmp_len * 0.5));
				vertices.push_back(glm::vec2(-tmp_len * 0.5, tmp_len * 0.5));

				auto inner_len = len - rect_width;
				inner_vertices.push_back(glm::vec2(-inner_len * 0.5, -inner_len * 0.5));
				inner_vertices.push_back(glm::vec2(inner_len * 0.5, -inner_len * 0.5));
				inner_vertices.push_back(glm::vec2(inner_len * 0.5, inner_len * 0.5));
				inner_vertices.push_back(glm::vec2(-inner_len * 0.5, inner_len * 0.5));

				ofFill();
				ofSetColor(239);
				ofBeginShape();
				ofVertices(vertices);
				ofNextContour(true);
				ofVertices(inner_vertices);
				ofEndShape(true);

				ofNoFill();
				ofSetColor(39);
				ofBeginShape();
				ofVertices(vertices);
				ofNextContour(true);
				ofVertices(inner_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(239);

ofSetLineWidth(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

auto rect_width = 30;

auto rect_length = 180;

for (int x = rect_length * 0.5; x < ofGetWidth(); x += rect_length) {

for (int y = rect_length * 0.5; y < ofGetHeight(); y += rect_length) {

auto noise_seed_y = ofRandom(1000);

auto noise_seed_x = ofRandom(1000);

for (int len = rect_width; len < rect_length; len += rect_width) {

ofPushMatrix();

ofTranslate(x, y);

ofRotateY(ofMap(ofNoise(noise_seed_y, len * 0.003 + ofGetFrameNum() * 0.003), 0, 1, -180, 180));

ofRotateX(ofMap(ofNoise(noise_seed_x, len * 0.003 + ofGetFrameNum() * 0.003), 0, 1, -180, 180));

vector<glm::vec2> vertices, inner_vertices;

auto tmp_len = len - 5;

vertices.push_back(glm::vec2(-tmp_len * 0.5, -tmp_len * 0.5));

vertices.push_back(glm::vec2(tmp_len * 0.5, -tmp_len * 0.5));

vertices.push_back(glm::vec2(tmp_len * 0.5, tmp_len * 0.5));

vertices.push_back(glm::vec2(-tmp_len * 0.5, tmp_len * 0.5));

auto inner_len = len - rect_width;

inner_vertices.push_back(glm::vec2(-inner_len * 0.5, -inner_len * 0.5));

inner_vertices.push_back(glm::vec2(inner_len * 0.5, -inner_len * 0.5));

inner_vertices.push_back(glm::vec2(inner_len * 0.5, inner_len * 0.5));

inner_vertices.push_back(glm::vec2(-inner_len * 0.5, inner_len * 0.5));

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices);

ofNextContour(true);

ofVertices(inner_vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofNextContour(true);

ofVertices(inner_vertices);

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190525

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