noise – ページ 302 – プログラミング de 落描き

2019年8月26日2019年8月26日

Noisy tunnel. openFrameworks

[ Video ]

[ About ]
正方形の帯を3割だけ描写して重ねる。

Noisy tunnel.

[ 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;

	glm::vec2 make_point(int len, int param);
};

#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;

glm::vec2 make_point(int len, int param);

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();
}

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

}

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

	this->cam.begin();

	auto len = 300;
	auto depth = 10;
	for (auto z = len * -1 ; z <= len; z += depth) {

		auto param_start = ofMap(ofNoise(z * 0.005, ofGetFrameNum() * 0.005), 0, 1, 0, 200);
		for (auto param = param_start; param < param_start + 30; param++) {

			ofBeginShape();
			ofVertex(glm::vec3(this->make_point(len, param), z + depth * 0.5));
			ofVertex(glm::vec3(this->make_point(len, param + 1), z + depth * 0.5));
			ofVertex(glm::vec3(this->make_point(len, param + 1), z + depth * -0.5));
			ofVertex(glm::vec3(this->make_point(len, param), z + depth * -0.5));
			ofEndShape(true);
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

auto len = 300;

auto depth = 10;

for (auto z = len * -1 ; z <= len; z += depth) {

auto param_start = ofMap(ofNoise(z * 0.005, ofGetFrameNum() * 0.005), 0, 1, 0, 200);

for (auto param = param_start; param < param_start + 30; param++) {

ofBeginShape();

ofVertex(glm::vec3(this->make_point(len, param), z + depth * 0.5));

ofVertex(glm::vec3(this->make_point(len, param + 1), z + depth * 0.5));

ofVertex(glm::vec3(this->make_point(len, param + 1), z + depth * -0.5));

ofVertex(glm::vec3(this->make_point(len, param), z + depth * -0.5));

ofEndShape(true);

}

this->cam.end();

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190826

2019年8月22日2019年8月22日

Updown hexagon. openFrameworks

[ Video ]

[ About ]
上下する六角形。

Updown hexagon.

[ 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) {};

	void draw_hexagon(glm::vec2 location, float radius);

	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) {};

void draw_hexagon(glm::vec2 location, float radius);

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(3);
	ofEnableDepthTest();
}
//--------------------------------------------------------------
void ofApp::update() {

}

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

	this->cam.begin();
	
	auto radius = 15;
	auto flag = true;
	float sqrt_3 = sqrt(3);
	for (float y = -ofGetHeight() * 0.5 - radius; y < ofGetHeight() * 0.5 + radius; y += radius * 1.5) {

		for (float x = -ofGetWidth() * 0.5 - radius; x < ofGetWidth() * 0.5 + radius; x += radius * sqrt_3) {

			auto location = flag ? glm::vec2(x, y) : glm::vec2(x + radius * sqrt_3 * 0.5, y);
			this->draw_hexagon(location, radius);
		}

		flag = !flag;
	}

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::draw_hexagon(glm::vec2 location, float radius) {

	ofPushMatrix();
	ofTranslate(location);

	auto noise_value = ofNoise(location.x * 0.05, location.y * 0.05, ofGetFrameNum() * 0.005);
	auto threshold = 0.68;
	auto z = 0;
	auto height = 50;
	if (noise_value > threshold) {
		
		z = ofMap(noise_value, threshold, 1, 0, height);
	}

	vector<glm::vec3> vertices, fill_vertices;
	for (int deg = 30; deg <= 390; deg += 60) {

		vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z));
		fill_vertices.push_back(glm::vec3(radius * 0.999 * cos(deg * DEG_TO_RAD), radius * sin(deg * 0.999 * DEG_TO_RAD), z));
	}

	ofFill();
	ofSetColor(ofMap(z, 0, height, 39, 139));
	ofBeginShape();
	ofVertices(fill_vertices);
	ofEndShape(true);

	ofNoFill();
	ofSetColor(ofMap(z, 0, height, 239, 39));
	ofBeginShape();
	ofVertices(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);

ofSetColor(39);

ofSetLineWidth(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

auto radius = 15;

auto flag = true;

float sqrt_3 = sqrt(3);

for (float y = -ofGetHeight() * 0.5 - radius; y < ofGetHeight() * 0.5 + radius; y += radius * 1.5) {

for (float x = -ofGetWidth() * 0.5 - radius; x < ofGetWidth() * 0.5 + radius; x += radius * sqrt_3) {

auto location = flag ? glm::vec2(x, y) : glm::vec2(x + radius * sqrt_3 * 0.5, y);

this->draw_hexagon(location, radius);

}

flag = !flag;

}

this->cam.end();

}

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

void ofApp::draw_hexagon(glm::vec2 location, float radius) {

ofPushMatrix();

ofTranslate(location);

auto noise_value = ofNoise(location.x * 0.05, location.y * 0.05, ofGetFrameNum() * 0.005);

auto threshold = 0.68;

auto z = 0;

auto height = 50;

if (noise_value > threshold) {

z = ofMap(noise_value, threshold, 1, 0, height);

}

vector<glm::vec3> vertices, fill_vertices;

for (int deg = 30; deg <= 390; deg += 60) {

vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z));

fill_vertices.push_back(glm::vec3(radius * 0.999 * cos(deg * DEG_TO_RAD), radius * sin(deg * 0.999 * DEG_TO_RAD), z));

}

ofFill();

ofSetColor(ofMap(z, 0, height, 39, 139));

ofBeginShape();

ofVertices(fill_vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(ofMap(z, 0, height, 239, 39));

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190822

2019年8月18日2019年8月18日

Gradation. openFrameworks

[ Video ]

[ About ]
グラデーション箱。

Gradation box.

[ 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);
	ofSetColor(39);
	ofSetLineWidth(3);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	auto size = 50;
	for (int x = -500; x <= 500; x += size) {

		for (int y = -500; y <= 500; y += size) {

			auto height = ofMap(ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.01), 0, 1, 50, 500);
			
			for (int z = 0; z <= height; z += size) {

				ofColor fill_color(ofMap(z, 0, 500, 39, 239));

				ofFill();
				ofSetColor(fill_color);
				ofDrawBox(glm::vec3(x, y, z), size - 1);

				ofNoFill();
				ofSetColor(39);
				ofDrawBox(glm::vec3(x, y, z), size);
			}
		}

	}
	

	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);

ofSetColor(39);

ofSetLineWidth(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

auto size = 50;

for (int x = -500; x <= 500; x += size) {

for (int y = -500; y <= 500; y += size) {

auto height = ofMap(ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.01), 0, 1, 50, 500);

for (int z = 0; z <= height; z += size) {

ofColor fill_color(ofMap(z, 0, 500, 39, 239));

ofFill();

ofSetColor(fill_color);

ofDrawBox(glm::vec3(x, y, z), size - 1);

ofNoFill();

ofSetColor(39);

ofDrawBox(glm::vec3(x, y, z), size);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190818

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