プログラミング de 落描き – ページ 718 – 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29日2019年8月29日

Lines on moving sphere. openFrameworks

[ Video ]

[ About ]
動く球の上の線たち。

Lines on moving 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;
};

#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;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetLineWidth(2);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	auto base_noise_seed_x = ofRandom(1000);
	auto base_noise_seed_y = ofRandom(1000);
	glm::vec3 base;

	auto radius = 150;
	auto noise_step = 0.003;
	auto len = 15;
	ofColor color;
	for (auto deg = 0; deg < 360; deg += 5) {

		auto noise_seed_x = ofRandom(1000);
		auto noise_seed_y = ofRandom(1000);
		auto noise_seed_z = ofRandom(1000);
		color.setHsb(ofMap(deg, 0, 360, 0, 255), 255, 255);

		glm::vec3 pre_location;
		for (int i = 0; i < len; i++) {

			auto angle_x = ofMap(ofNoise(noise_seed_x, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI * 2, PI * 2);
			auto angle_y = ofMap(ofNoise(noise_seed_y, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI * 2, PI * 2);
			auto angle_z = ofMap(ofNoise(noise_seed_z, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI * 2, PI * 2);

			auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);
			auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));
			auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));
			auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));
			location = glm::vec4(location, 0) * rotation_z * rotation_y * rotation_x;

			base = glm::vec3(ofMap(ofNoise(base_noise_seed_x, (ofGetFrameNum() + i) * 0.005), 0, 1, -250, 250),
				ofMap(ofNoise(base_noise_seed_y, (ofGetFrameNum() + i) * 0.005), 0, 1, -250, 250), 0);

			location += base;

			if (i > 0) {

				ofSetColor(color);
				ofDrawLine(location, pre_location);
			}
			pre_location = location;
		}

	}

	ofSetColor(0);
	ofDrawCircle(base, 130);

	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);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

auto base_noise_seed_x = ofRandom(1000);

auto base_noise_seed_y = ofRandom(1000);

glm::vec3 base;

auto radius = 150;

auto noise_step = 0.003;

auto len = 15;

ofColor color;

for (auto deg = 0; deg < 360; deg += 5) {

auto noise_seed_x = ofRandom(1000);

auto noise_seed_y = ofRandom(1000);

auto noise_seed_z = ofRandom(1000);

color.setHsb(ofMap(deg, 0, 360, 0, 255), 255, 255);

glm::vec3 pre_location;

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

auto angle_x = ofMap(ofNoise(noise_seed_x, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI * 2, PI * 2);

auto angle_y = ofMap(ofNoise(noise_seed_y, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI * 2, PI * 2);

auto angle_z = ofMap(ofNoise(noise_seed_z, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI * 2, PI * 2);

auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);

auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

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

base = glm::vec3(ofMap(ofNoise(base_noise_seed_x, (ofGetFrameNum() + i) * 0.005), 0, 1, -250, 250),

ofMap(ofNoise(base_noise_seed_y, (ofGetFrameNum() + i) * 0.005), 0, 1, -250, 250), 0);

location += base;

if (i > 0) {

ofSetColor(color);

ofDrawLine(location, pre_location);

}

pre_location = location;

}

ofSetColor(0);

ofDrawCircle(base, 130);

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190829

2019年8月28日2019年8月28日

Lines on sphere. openFrameworks

[ Video ]

[ About ]
球の上の線たち。

Lines on 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();
	ofRotateY(ofGetFrameNum() * 0.5);

	auto radius = 300;
	auto noise_step = 0.003;
	auto len = 30;
	ofColor color;
	for (auto deg = 0; deg < 360; deg += 10) {

		auto noise_seed_x = ofRandom(1000);
		auto noise_seed_y = ofRandom(1000);
		auto noise_seed_z = ofRandom(1000);
		color.setHsb(ofMap(deg, 0, 360, 0, 255), 180, 255);

		glm::vec3 pre_location;
		for (int i = 0; i < len; i++) {

			auto angle_x = ofMap(ofNoise(noise_seed_x, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI * 2, PI * 2);
			auto angle_y = ofMap(ofNoise(noise_seed_y, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI * 2, PI * 2);
			auto angle_z = ofMap(ofNoise(noise_seed_z, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI * 2, PI * 2);

			auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);
			auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));
			auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));
			auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));
			location = glm::vec4(location, 0) * rotation_z * rotation_y * rotation_x;

			if (i > 0) {

				ofSetColor(color, ofMap(i, 0, len, 0, 255));
				ofDrawLine(location, pre_location);
			}
			pre_location = location;
		}

	}
	
	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();

ofRotateY(ofGetFrameNum() * 0.5);

auto radius = 300;

auto noise_step = 0.003;

auto len = 30;

ofColor color;

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

auto noise_seed_x = ofRandom(1000);

auto noise_seed_y = ofRandom(1000);

auto noise_seed_z = ofRandom(1000);

color.setHsb(ofMap(deg, 0, 360, 0, 255), 180, 255);