noise – ページ 71 – プログラミング de 落描き

2022年10月12日

Monochrome Circles. Draw by openFrameworks

[ Video ]

[ About ]
白色サークルず。

[ 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(30);
	ofSetWindowTitle("openFrameworks");

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

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

	ofSeedRandom(39);
}

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

	for (int x = 90; x < ofGetWindowWidth(); x += 180) {

		for (int y = 90; y < ofGetWindowHeight(); y += 180) {

			ofPushMatrix();
			ofTranslate(x, y);

			for (int radius = 30; radius < 75; radius += 3) {

				ofMesh face, line;
				line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

				int start_deg = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01), 0, 1, 0, 360);
				int deg_len = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01), 0, 1, -240, 240);

				face.addVertex(glm::vec3());
				face.addColor(ofColor(255, 32));
				for (int deg = start_deg; deg < start_deg + deg_len; deg += 2) {

					face.addVertex(glm::vec3() + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));
					face.addColor(ofColor(255, 64));

					line.addVertex(glm::vec3() + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));
					line.addColor(255);

					if (deg != start_deg) {

						face.addIndex(0);
						face.addIndex(face.getNumVertices() - 1);
						face.addIndex(face.getNumVertices() - 2);

						line.addIndex(line.getNumVertices() - 1);
						line.addIndex(line.getNumVertices() - 2);
					}
				}

				face.draw();
				line.draw();
			}

			ofPopMatrix();
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetLineWidth(2);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

for (int x = 90; x < ofGetWindowWidth(); x += 180) {

for (int y = 90; y < ofGetWindowHeight(); y += 180) {

ofPushMatrix();

ofTranslate(x, y);

for (int radius = 30; radius < 75; radius += 3) {

ofMesh face, line;

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

int start_deg = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01), 0, 1, 0, 360);

int deg_len = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01), 0, 1, -240, 240);

face.addVertex(glm::vec3());

face.addColor(ofColor(255, 32));

for (int deg = start_deg; deg < start_deg + deg_len; deg += 2) {

face.addVertex(glm::vec3() + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));

face.addColor(ofColor(255, 64));

line.addVertex(glm::vec3() + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));

line.addColor(255);

if (deg != start_deg) {

face.addIndex(0);

face.addIndex(face.getNumVertices() - 1);

face.addIndex(face.getNumVertices() - 2);

line.addIndex(line.getNumVertices() - 1);

line.addIndex(line.getNumVertices() - 2);

}

face.draw();

line.draw();

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221012

2022年10月10日

Colors. Draw by openFrameworks

[ Video ]

[ About ]
色。

[ Source ]

#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) {};

	ofMesh mesh;
};

#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) {};

ofMesh mesh;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(255);

	int size = 10;
	for (int x = 30; x < 690; x += size) {

		for (int y = 30; y < 690; y += size) {

			int index = this->mesh.getNumVertices();

			this->mesh.addVertex(glm::vec3(x, y, 0));
			this->mesh.addVertex(glm::vec3(x + size, y, 0));
			this->mesh.addVertex(glm::vec3(x + size, y + size, 0));
			this->mesh.addVertex(glm::vec3(x, y + size, 0));

			this->mesh.addIndex(index + 0);
			this->mesh.addIndex(index + 1);
			this->mesh.addIndex(index + 2);

			this->mesh.addIndex(index + 0);
			this->mesh.addIndex(index + 2);
			this->mesh.addIndex(index + 3);

			this->mesh.addColor(ofColor(0));
			this->mesh.addColor(ofColor(0));
			this->mesh.addColor(ofColor(0));
			this->mesh.addColor(ofColor(0));
		}
	}
}

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

	ofSeedRandom(39);
	auto noise_seed = glm::vec4(ofRandom(1000), ofRandom(1000), ofRandom(1000), ofRandom(1000));

	auto noise_step = 0.001;
	auto frame_step = 0.03;

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

		auto vertex = this->mesh.getVertex(i);
		auto noise_value = glm::vec3(
			ofNoise(noise_seed.r, vertex.x * noise_step, vertex.y * noise_step + ofGetFrameNum() * frame_step),
			ofNoise(noise_seed.g, vertex.x * noise_step, vertex.y * noise_step + ofGetFrameNum() * frame_step),
			ofNoise(noise_seed.b, vertex.x * noise_step, vertex.y * noise_step + ofGetFrameNum() * frame_step));

		auto r = noise_value.r < 0.2 ? 0 : noise_value.r < 0.7 ? ofMap(noise_value.r, 0.2, 0.7, 0, 255) : 255;
		auto g = noise_value.g < 0.2 ? 0 : noise_value.g < 0.7 ? ofMap(noise_value.g, 0.2, 0.7, 0, 255) : 255;
		auto b = noise_value.b < 0.2 ? 0 : noise_value.b < 0.7 ? ofMap(noise_value.b, 0.2, 0.7, 0, 255) : 255;

		this->mesh.setColor(i, ofColor(r, g, b, 255));
	}
}

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

	this->mesh.draw();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

int size = 10;

for (int x = 30; x < 690; x += size) {

for (int y = 30; y < 690; y += size) {

int index = this->mesh.getNumVertices();

this->mesh.addVertex(glm::vec3(x, y, 0));

this->mesh.addVertex(glm::vec3(x + size, y, 0));

this->mesh.addVertex(glm::vec3(x + size, y + size, 0));

this->mesh.addVertex(glm::vec3(x, y + size, 0));

this->mesh.addIndex(index + 0);

this->mesh.addIndex(index + 1);

this->mesh.addIndex(index + 2);

this->mesh.addIndex(index + 0);

this->mesh.addIndex(index + 2);

this->mesh.addIndex(index + 3);

this->mesh.addColor(ofColor(0));

}

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

void ofApp::update() {

ofSeedRandom(39);

auto noise_seed = glm::vec4(ofRandom(1000), ofRandom(1000), ofRandom(1000), ofRandom(1000));

auto noise_step = 0.001;

auto frame_step = 0.03;

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

auto vertex = this->mesh.getVertex(i);

auto noise_value = glm::vec3(

ofNoise(noise_seed.r, vertex.x * noise_step, vertex.y * noise_step + ofGetFrameNum() * frame_step),

ofNoise(noise_seed.g, vertex.x * noise_step, vertex.y * noise_step + ofGetFrameNum() * frame_step),

ofNoise(noise_seed.b, vertex.x * noise_step, vertex.y * noise_step + ofGetFrameNum() * frame_step));

auto r = noise_value.r < 0.2 ? 0 : noise_value.r < 0.7 ? ofMap(noise_value.r, 0.2, 0.7, 0, 255) : 255;

auto g = noise_value.g < 0.2 ? 0 : noise_value.g < 0.7 ? ofMap(noise_value.g, 0.2, 0.7, 0, 255) : 255;

auto b = noise_value.b < 0.2 ? 0 : noise_value.b < 0.7 ? ofMap(noise_value.b, 0.2, 0.7, 0, 255) : 255;

this->mesh.setColor(i, ofColor(r, g, b, 255));

}

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

void ofApp::draw() {

this->mesh.draw();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221010

2022年10月8日

Scratch. Draw by openFrameworks

[ Video ]

[ About ]
うごめく掻き傷。

[ Source ]

#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;
	ofMesh mesh;
};

#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;

ofMesh mesh;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(255, 25, 25);
	ofSetColor(0);
}

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

	this->mesh.clear();

	int size = 1;
	for (int x = 10; x <= ofGetWidth() - 10; x += size) {

		for (int y = 10; y <= ofGetHeight() - 10; y += size) {

			float deg = ofMap(ofNoise(x * 0.01, y * 0.01, ofGetFrameNum() * 0.03), 0, 1, -360, 360);
			this->mesh.addVertex(glm::vec3(x + size * 3 * cos(deg * DEG_TO_RAD), y + size * 3 * sin(deg * DEG_TO_RAD), 0));
		}
	}
}

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

	this->cam.begin();
	ofTranslate(ofGetWindowSize() * -0.5);

	this->mesh.drawVertices();

	this->cam.end();
}


//--------------------------------------------------------------
int main() {
	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(255, 25, 25);

ofSetColor(0);

}

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

void ofApp::update() {

this->mesh.clear();

int size = 1;

for (int x = 10; x <= ofGetWidth() - 10; x += size) {

for (int y = 10; y <= ofGetHeight() - 10; y += size) {

float deg = ofMap(ofNoise(x * 0.01, y * 0.01, ofGetFrameNum() * 0.03), 0, 1, -360, 360);

this->mesh.addVertex(glm::vec3(x + size * 3 * cos(deg * DEG_TO_RAD), y + size * 3 * sin(deg * DEG_TO_RAD), 0));

}

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

void ofApp::draw() {

this->cam.begin();

ofTranslate(ofGetWindowSize() * -0.5);

this->mesh.drawVertices();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221008

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