noise – ページ 57 – プログラミング de 落描き

2022年12月15日

Panel train. Draw by openFrameworks

[ Video ]

[ About ]
パネル列車。

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

	ofBackground(0);
	ofEnableDepthTest();
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
}


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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.33333333333 * 5);

	auto rotate_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
	for (float z = 30; z < 300; z += 1) {

		ofPushMatrix();

		ofRotateZ(ofMap(ofNoise(rotate_seed.z, z * 0.0035 + ofGetFrameNum() * 0.008), 0, 1, -360, 360));
		ofRotateY(ofMap(ofNoise(rotate_seed.y, z * 0.0035 + ofGetFrameNum() * 0.008), 0, 1, -360, 360));
		ofRotateX(ofMap(ofNoise(rotate_seed.x, z * 0.0035 + ofGetFrameNum() * 0.008), 0, 1, -360, 360));

		ofNoFill();
		ofSetColor(ofMap(z, 100, 30, 255, 55));
		ofDrawRectangle(0, 0, z, 35, 35);

		ofFill();
		ofSetColor(0);
		ofDrawRectangle(0, 0, z, 35, 35);

		ofPopMatrix();
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableDepthTest();

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.33333333333 * 5);

auto rotate_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

for (float z = 30; z < 300; z += 1) {

ofPushMatrix();

ofRotateZ(ofMap(ofNoise(rotate_seed.z, z * 0.0035 + ofGetFrameNum() * 0.008), 0, 1, -360, 360));

ofRotateY(ofMap(ofNoise(rotate_seed.y, z * 0.0035 + ofGetFrameNum() * 0.008), 0, 1, -360, 360));

ofRotateX(ofMap(ofNoise(rotate_seed.x, z * 0.0035 + ofGetFrameNum() * 0.008), 0, 1, -360, 360));

ofNoFill();

ofSetColor(ofMap(z, 100, 30, 255, 55));

ofDrawRectangle(0, 0, z, 35, 35);

ofFill();

ofSetColor(0);

ofDrawRectangle(0, 0, z, 35, 35);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221215

2022年12月13日

Arrows in arrow. Draw by openFrameworks

[ Video ]

[ About ]
矢印の中の矢印。

[ 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) {};

	void draw_arrow(glm::vec2 location, glm::vec2 next_location, float size, ofColor color);

	vector<glm::vec3> location_list;
};

#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) {};

void draw_arrow(glm::vec2 location, glm::vec2 next_location, float size, ofColor color);

vector<glm::vec3> location_list;

};

#include "ofApp.h"	

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

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

	ofBackground(0);	
}

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

	this->location_list.clear();

	ofFbo fbo;
	ofPixels pixels;
	fbo.allocate(ofGetWidth(), ofGetHeight());
	fbo.begin();
	ofClear(0);

	ofTranslate(ofGetWindowWidth() * 0.5, ofGetWindowHeight() * 0.5);
	ofRotate(ofGetFrameNum() * 0.66666666666666666);
	this->draw_arrow(glm::vec2(0, 0), glm::vec2(0, -1), 330, ofColor(255));

	fbo.end();
	fbo.readToPixels(pixels);

	ofColor pix_color;
	int span = 16;
	for (float x = 0 + span * 0.5; x < ofGetWidth(); x += span) {

		for (float y = 0 + span * 0.5; y <= ofGetHeight(); y += span) {

			pix_color = pixels.getColor(x, y);
			if (pix_color != ofColor(0, 0)) {

				this->location_list.push_back(glm::vec3(x - ofGetWidth() * 0.5, y - ofGetHeight() * 0.5, 0));
			}
		}
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	for (auto& location : this->location_list){

		auto deg = ofMap(ofNoise(glm::vec4(location * 0.0025, ofGetFrameNum() * 0.01)), 0, 1, -360, 360);
		auto target = glm::vec3(cos(deg *DEG_TO_RAD), sin(deg * DEG_TO_RAD), 0);

		this->draw_arrow(location, location + target, 10, ofColor(255));
	}
}

//--------------------------------------------------------------
void ofApp::draw_arrow(glm::vec2 location, glm::vec2 next_location, float size, ofColor color) {

	auto angle = std::atan2(next_location.y - location.y, next_location.x - location.x);

	ofFill();
	ofBeginShape();
	ofVertex(location + glm::vec2(size * cos(angle), size * sin(angle)));
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)));
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)));
	ofEndShape();

	ofBeginShape();
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25);
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25);
	ofEndShape();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

}

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

void ofApp::update() {

this->location_list.clear();

ofFbo fbo;

ofPixels pixels;

fbo.allocate(ofGetWidth(), ofGetHeight());

fbo.begin();

ofClear(0);

ofTranslate(ofGetWindowWidth() * 0.5, ofGetWindowHeight() * 0.5);

ofRotate(ofGetFrameNum() * 0.66666666666666666);

this->draw_arrow(glm::vec2(0, 0), glm::vec2(0, -1), 330, ofColor(255));

fbo.end();

fbo.readToPixels(pixels);

ofColor pix_color;

int span = 16;

for (float x = 0 + span * 0.5; x < ofGetWidth(); x += span) {

for (float y = 0 + span * 0.5; y <= ofGetHeight(); y += span) {

pix_color = pixels.getColor(x, y);

if (pix_color != ofColor(0, 0)) {

this->location_list.push_back(glm::vec3(x - ofGetWidth() * 0.5, y - ofGetHeight() * 0.5, 0));

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

for (auto& location : this->location_list){

auto deg = ofMap(ofNoise(glm::vec4(location * 0.0025, ofGetFrameNum() * 0.01)), 0, 1, -360, 360);

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

this->draw_arrow(location, location + target, 10, ofColor(255));

}

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

void ofApp::draw_arrow(glm::vec2 location, glm::vec2 next_location, float size, ofColor color) {

auto angle = std::atan2(next_location.y - location.y, next_location.x - location.x);

ofFill();

ofBeginShape();

ofVertex(location + glm::vec2(size * cos(angle), size * sin(angle)));

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)));

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)));

ofEndShape();

ofBeginShape();

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25);

ofEndShape();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221213

2022年12月12日

Switching. Draw by openFrameworks

[ Video ]

[ About ]
スイッチング。

[ 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);
	ofSetColor(255);
	ofNoFill();
	ofSetLineWidth(2);
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	auto span = 40;
	auto radius = span * 0.5;
	for (int x = span * -8; x <= span * 8; x += span) {

		for (int y = span * -8; y <= span * 8; y += span) {

			if (x == 0 && y == 0) { continue; }

			auto noise_param = abs(x) > abs(y) ? abs(x) : abs(y);
			auto noise_value = ofNoise(noise_param * 0.0035, ofGetFrameNum() * 0.005);
			auto deg_start = 0;

			if (noise_value < 0.2) { deg_start = 0; }
			else if (noise_value < 0.25) { deg_start = ofMap(noise_value, 0.2, 0.25, 0, 90); }
			else if (noise_value < 0.45) { deg_start = 90; }
			else if (noise_value < 0.50) { deg_start = ofMap(noise_value, 0.45, 0.50, 90, 180); }
			else if (noise_value < 0.70) { deg_start = 180; }
			else if (noise_value < 0.75) { deg_start = ofMap(noise_value, 0.7, 0.75, 180, 270); }
			else if (noise_value < 0.95) { deg_start = 270; }
			else if (noise_value < 1.0) { ofMap(noise_value, 0.95, 1.0, 270, 360); }

			deg_start += 180 + atan2(-y, -x) * RAD_TO_DEG;

			ofNoFill();
			ofBeginShape();
			for (int deg = deg_start - 135; deg <= deg_start + 135; deg++) {

				ofVertex(x + radius * 0.8 * cos(deg * DEG_TO_RAD), y + radius * 0.8 * sin(deg * DEG_TO_RAD));
			}
			ofEndShape();

			ofFill();
			ofDrawCircle(glm::vec2(x + radius * 0.7 * cos((deg_start + 180) * DEG_TO_RAD), y + radius * 0.7 * sin((deg_start + 180) * DEG_TO_RAD)), 4);
			
		}
	}

}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetColor(255);

ofNoFill();

ofSetLineWidth(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

auto span = 40;

auto radius = span * 0.5;

for (int x = span * -8; x <= span * 8; x += span) {

for (int y = span * -8; y <= span * 8; y += span) {

if (x == 0 && y == 0) { continue; }

auto noise_param = abs(x) > abs(y) ? abs(x) : abs(y);

auto noise_value = ofNoise(noise_param * 0.0035, ofGetFrameNum() * 0.005);

auto deg_start = 0;

if (noise_value < 0.2) { deg_start = 0; }

else if (noise_value < 0.25) { deg_start = ofMap(noise_value, 0.2, 0.25, 0, 90); }

else if (noise_value < 0.45) { deg_start = 90; }

else if (noise_value < 0.50) { deg_start = ofMap(noise_value, 0.45, 0.50, 90, 180); }

else if (noise_value < 0.70) { deg_start = 180; }

else if (noise_value < 0.75) { deg_start = ofMap(noise_value, 0.7, 0.75, 180, 270); }

else if (noise_value < 0.95) { deg_start = 270; }

else if (noise_value < 1.0) { ofMap(noise_value, 0.95, 1.0, 270, 360); }

deg_start += 180 + atan2(-y, -x) * RAD_TO_DEG;

ofNoFill();

ofBeginShape();

for (int deg = deg_start - 135; deg <= deg_start + 135; deg++) {

ofVertex(x + radius * 0.8 * cos(deg * DEG_TO_RAD), y + radius * 0.8 * sin(deg * DEG_TO_RAD));

}

ofEndShape();

ofFill();

ofDrawCircle(glm::vec2(x + radius * 0.7 * cos((deg_start + 180) * DEG_TO_RAD), y + radius * 0.7 * sin((deg_start + 180) * DEG_TO_RAD)), 4);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221212

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