noise – ページ 260 – プログラミング de 落描き

2020年5月6日

Black Sun. openFrameworks

[ Video ]

[ About ]
Black Sun.

[ 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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

	ofBackground(239);
}

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

}

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

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

	int radius = 300;

	for (int i = 0; i < 5; i++) {

		vector<glm::vec2> vertices;
		for (float deg = 0; deg < 360; deg += 0.3) {

			auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			auto noise_value = ofNoise(glm::vec4(i, location * 0.05, ofGetFrameNum() * 0.005));
			location *= noise_value > 0.4 ? noise_value : 0.4;

			vertices.push_back(location);
		}

		ofFill();
		ofSetColor(39, ofMap(i, 0, 5, 32, 255));
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		ofNoFill();
		ofSetColor(239, ofMap(i, 0, 5, 32, 255));
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);
	}
}


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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

int radius = 300;

for (int i = 0; i < 5; i++) {

vector<glm::vec2> vertices;

for (float deg = 0; deg < 360; deg += 0.3) {

auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

auto noise_value = ofNoise(glm::vec4(i, location * 0.05, ofGetFrameNum() * 0.005));

location *= noise_value > 0.4 ? noise_value : 0.4;

vertices.push_back(location);

}

ofFill();

ofSetColor(39, ofMap(i, 0, 5, 32, 255));

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(239, ofMap(i, 0, 5, 32, 255));

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200506

2020年5月3日

Make waves with noise. openFrameworks

[ Video ]

[ About ]
Make waves with noise. Adjust the width of the wave by the distance from the center.

[ 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) {};

	ofMesh face, frame;
};

#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) {};

ofMesh face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(2);
}

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

}

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

	int span = 12;
	for (int y = span * -5; y < ofGetHeight() + span * 5; y += span) {

		vector<glm::vec2> vertices;
		vertices.push_back(glm::vec2(0, ofGetHeight()));
		for (int x = 0; x <= ofGetWidth(); x += 5) {

			auto distance = abs(ofGetWidth() * 0.5 - x);
			auto tmp_y = 0.f;

			if (distance < 250) {

				auto noise_value = ofNoise(y * 0.03, x * 0.01, ofGetFrameNum() * 0.005);
				auto param = ofMap(distance, 0, 250, 1, 0);
				tmp_y = ofMap(noise_value, 0, 1, span * -5 * param, span * 5 * param);
			}
			
			vertices.push_back(glm::vec2(x, y + tmp_y));
		}
		vertices.push_back(glm::vec2(ofGetWidth() , ofGetHeight()));

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

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

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int span = 12;

for (int y = span * -5; y < ofGetHeight() + span * 5; y += span) {

vector<glm::vec2> vertices;

vertices.push_back(glm::vec2(0, ofGetHeight()));

for (int x = 0; x <= ofGetWidth(); x += 5) {

auto distance = abs(ofGetWidth() * 0.5 - x);

auto tmp_y = 0.f;

if (distance < 250) {

auto noise_value = ofNoise(y * 0.03, x * 0.01, ofGetFrameNum() * 0.005);

auto param = ofMap(distance, 0, 250, 1, 0);

tmp_y = ofMap(noise_value, 0, 1, span * -5 * param, span * 5 * param);

}

vertices.push_back(glm::vec2(x, y + tmp_y));

}

vertices.push_back(glm::vec2(ofGetWidth() , ofGetHeight()));

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200503

2020年4月24日2020年4月24日

It emanates from a red orb. openFrameworks

[ Video ]

[ About ]
It emanates from a red orb.

[ 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;

	int base_radius;
	int number_of_satellite;

	vector<glm::vec3> satellite_location_list;
	vector<glm::vec2> satellite_noise_seed_list;
	vector<glm::vec3> location_list;
	vector<glm::vec3> velocity_list;

	ofMesh frame;
};

#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;

int base_radius;

int number_of_satellite;

vector<glm::vec3> satellite_location_list;

vector<glm::vec2> satellite_noise_seed_list;

vector<glm::vec3> location_list;

vector<glm::vec3> velocity_list;

ofMesh frame;

};

#include "ofApp.h"

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

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

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

	this->base_radius = 50;
	this->number_of_satellite = 15;
	for (int k = 0; k < this->number_of_satellite; k++) {

		this->satellite_location_list.push_back(glm::normalize(glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1))) * this->base_radius * 1.2);
		this->satellite_noise_seed_list.push_back(glm::vec2(ofRandom(1000), ofRandom(1000)));

	}

	this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

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

		auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(this->satellite_noise_seed_list[i].x, (ofGetFrameNum() + 0) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0));
		auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(this->satellite_noise_seed_list[i].y, (ofGetFrameNum() + 0) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));
		auto satellite_location = glm::vec4(this->satellite_location_list[i], 0) * rotation_y * rotation_x;

		auto next_rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(this->satellite_noise_seed_list[i].x, (ofGetFrameNum() + 1) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0));
		auto next_rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(this->satellite_noise_seed_list[i].y, (ofGetFrameNum() + 1) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));
		auto next_satellite_location = glm::vec4(this->satellite_location_list[i], 0) * next_rotation_y * next_rotation_x;

		auto distance = satellite_location - next_satellite_location;

		this->frame.addVertex(satellite_location);
		this->frame.addColor(ofColor(39));
		this->velocity_list.push_back(distance * 0.75);
	}

	for (int i = 0; i < this->frame.getNumVertices(); i++) {

		this->frame.setVertex(i, this->frame.getVertex(i) + this->velocity_list[i]);
	}

	for (int i = this->velocity_list.size() - 1; i >= 0; i--) {

		if (glm::length(this->frame.getVertex(i)) > 150) {

			this->velocity_list.erase(this->velocity_list.begin() + i);
			this->frame.removeVertex(i);
		}
	}

	this->frame.clearIndices();
	for (int i = 0; i < this->frame.getNumVertices(); i++) {

		this->frame.setColor(i, ofColor(239, 39, 39, ofMap(glm::length(this->frame.getVertex(i)), 50, 150, 255, 0)));
		for (int k = i + 1; k < this->frame.getNumVertices(); k += 1) {

			if (glm::distance(this->frame.getVertex(i), this->frame.getVertex(k)) < 20) {

				this->frame.addIndex(i); this->frame.addIndex(k);
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum());
	ofRotateX(ofGetFrameNum() * 0.75);

	ofSetColor(239, 39, 39);
	ofDrawSphere(glm::vec3(), 30);

	for (int i = 0; i < this->frame.getNumVertices(); i++) {

		ofSetColor(this->frame.getColor(i));
		ofDrawSphere(this->frame.getVertex(i), 1);
	}

	this->frame.drawWireframe();


	this->cam.end();
}

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

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

100

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofEnableDepthTest();

this->base_radius = 50;

this->number_of_satellite = 15;

for (int k = 0; k < this->number_of_satellite; k++) {

this->satellite_location_list.push_back(glm::normalize(glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1))) * this->base_radius * 1.2);

this->satellite_noise_seed_list.push_back(glm::vec2(ofRandom(1000), ofRandom(1000)));

}

this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

}

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

void ofApp::update() {

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

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(this->satellite_noise_seed_list[i].x, (ofGetFrameNum() + 0) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0));

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(this->satellite_noise_seed_list[i].y, (ofGetFrameNum() + 0) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));

auto satellite_location = glm::vec4(this->satellite_location_list[i], 0) * rotation_y * rotation_x;

auto next_rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(this->satellite_noise_seed_list[i].x, (ofGetFrameNum() + 1) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0));

auto next_rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(this->satellite_noise_seed_list[i].y, (ofGetFrameNum() + 1) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));

auto next_satellite_location = glm::vec4(this->satellite_location_list[i], 0) * next_rotation_y * next_rotation_x;

auto distance = satellite_location - next_satellite_location;

this->frame.addVertex(satellite_location);

this->frame.addColor(ofColor(39));

this->velocity_list.push_back(distance * 0.75);

}

for (int i = 0; i < this->frame.getNumVertices(); i++) {

this->frame.setVertex(i, this->frame.getVertex(i) + this->velocity_list[i]);

}

for (int i = this->velocity_list.size() - 1; i >= 0; i--) {

if (glm::length(this->frame.getVertex(i)) > 150) {

this->velocity_list.erase(this->velocity_list.begin() + i);

this->frame.removeVertex(i);

}

this->frame.clearIndices();

for (int i = 0; i < this->frame.getNumVertices(); i++) {

this->frame.setColor(i, ofColor(239, 39, 39, ofMap(glm::length(this->frame.getVertex(i)), 50, 150, 255, 0)));

for (int k = i + 1; k < this->frame.getNumVertices(); k += 1) {

if (glm::distance(this->frame.getVertex(i), this->frame.getVertex(k)) < 20) {

this->frame.addIndex(i); this->frame.addIndex(k);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum());

ofRotateX(ofGetFrameNum() * 0.75);

ofSetColor(239, 39, 39);

ofDrawSphere(glm::vec3(), 30);

for (int i = 0; i < this->frame.getNumVertices(); i++) {

ofSetColor(this->frame.getColor(i));

ofDrawSphere(this->frame.getVertex(i), 1);

}

this->frame.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200424

月	火	水	木	金	土	日
				1	2	3
4	5	6	7	8	9	10
11	12	13	14	15	16	17
18	19	20	21	22	23	24
25	26	27	28	29	30	31