programming – ページ 567 – プログラミング de 落描き

2018年12月12日2018年12月12日

Quadrilateral(3D). openFrameworks

[ Video ]

[ About ]
3次元の座標4点を結んで四角形(?)を生成

Connect the coordinates(3D) of 4 points with a line.

[ 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;
	float noise_seed;
};

#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;

float noise_seed;

};

#include "ofApp.h"

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

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

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

	this->noise_seed = 0;
}

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

	ofSeedRandom(10);

	if (ofGetFrameNum() % 60 < 45) {

		this->noise_seed += ofMap(ofGetFrameNum() % 60, 0, 45, 0.03, 0);
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.2);

	int span = 240;
	int range = 80;
	for (int x = -ofGetWidth() * 0.5; x <= ofGetWidth() * 0.5; x += span) {

		for (int y = -ofGetHeight() * 0.5; y <= ofGetHeight() * 0.5; y += span) {

			for (int z = -ofGetHeight() * 0.5; z <= ofGetHeight() * 0.5; z += span) {

				ofPushMatrix();
				ofTranslate(x, y, z);

				ofFill();
				glm::vec3 top_point, prev_point;
				int number_of_point = 4;
				for (int i = 0; i < number_of_point; i++) {

					glm::vec3 point = glm::vec3(
						ofMap(ofNoise(ofRandom(10000), this->noise_seed), 0, 1, -range * 0.5, range * 0.5),
						ofMap(ofNoise(ofRandom(10000), this->noise_seed), 0, 1, -range * 0.5, range * 0.5),
						ofMap(ofNoise(ofRandom(10000), this->noise_seed), 0, 1, -range * 0.5, range * 0.5));

					ofDrawSphere(point, 5);
					if (i != 0) {


						ofDrawLine(prev_point, point);
					}
					else {

						top_point = point;
					}

					prev_point = point;
				}
				ofDrawLine(top_point, prev_point);

				ofPopMatrix();
			}
		}
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetColor(239);

ofEnableDepthTest();

this->noise_seed = 0;

}

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

void ofApp::update() {

ofSeedRandom(10);

if (ofGetFrameNum() % 60 < 45) {

this->noise_seed += ofMap(ofGetFrameNum() % 60, 0, 45, 0.03, 0);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.2);

int span = 240;

int range = 80;

for (int x = -ofGetWidth() * 0.5; x <= ofGetWidth() * 0.5; x += span) {

for (int y = -ofGetHeight() * 0.5; y <= ofGetHeight() * 0.5; y += span) {

for (int z = -ofGetHeight() * 0.5; z <= ofGetHeight() * 0.5; z += span) {

ofPushMatrix();

ofTranslate(x, y, z);

ofFill();

glm::vec3 top_point, prev_point;

int number_of_point = 4;

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

glm::vec3 point = glm::vec3(

ofMap(ofNoise(ofRandom(10000), this->noise_seed), 0, 1, -range * 0.5, range * 0.5),

ofMap(ofNoise(ofRandom(10000), this->noise_seed), 0, 1, -range * 0.5, range * 0.5));

ofDrawSphere(point, 5);

if (i != 0) {

ofDrawLine(prev_point, point);

}

else {

top_point = point;

}

prev_point = point;

}

ofDrawLine(top_point, prev_point);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181212

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Amazon

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2018年12月11日2018年12月11日

Noisy Circle. openFramework

[ Video ]

[ About ]
ノイズ関数で動く親サークルと子サークル

Big circle and small circle moving by Noise method.

[ 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) {};

	float noise_seed;
};

#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) {};

float noise_seed;

};

#include "ofApp.h"

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

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

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

	this->noise_seed = 0;
}

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

	ofSeedRandom(10);

	if (ofGetFrameNum() % 60 < 45) {
	
		this->noise_seed += ofMap(ofGetFrameNum() % 60, 0, 45, 0.04, 0);
	}
}

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

	int span = 120;
	int range = 100;
	int radius = 20;
	for (int x = span * 0.5; x < ofGetWidth(); x += span) {

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

			glm::vec2 center_point;
			int number_of_point = 4;
			for (int i = 0; i < number_of_point; i++) {

				glm::vec2 point = glm::vec2(
					x + ofMap(ofNoise(ofRandom(10000), this->noise_seed), 0, 1, -range * 0.5, range * 0.5),
					y + ofMap(ofNoise(ofRandom(10000), this->noise_seed), 0, 1, -range * 0.5, range * 0.5));

				if (i == 0) {

					ofNoFill();
					ofSetColor(255);
					ofDrawCircle(point, radius);

					center_point = point;
				}
				else {

					ofFill();
					ofColor color;
					color.setHsb((int)(ofRandom(255) + this->noise_seed * ofRandom(100, 200)) % 255, 200, 255);
					ofSetColor(color);
					ofDrawCircle(point, radius * 0.3);

					float angle = std::atan2(point.y - center_point.y, point.x - center_point.x);
					glm::vec2 line_point = center_point + glm::vec2(radius * cos(angle), radius * sin(angle));
					
					ofDrawLine(line_point, point);

					float rad_span = PI / 3;
					ofBeginShape();
					for (float rad = angle - rad_span; rad <= angle + rad_span; rad += PI / 60) {

						ofVertex(center_point + glm::vec2(radius * 0.8 * cos(rad), radius * 0.8 * sin(rad)));
					}
					for (float rad = angle + rad_span; rad >= angle - rad_span; rad -= PI / 60) {

						ofVertex(center_point + glm::vec2(radius * 0.3 * cos(rad), radius * 0.3 * sin(rad)));
					}
					ofEndShape(true);
				}
			}
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetLineWidth(2);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

this->noise_seed = 0;

}

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

void ofApp::update() {

ofSeedRandom(10);

if (ofGetFrameNum() % 60 < 45) {

this->noise_seed += ofMap(ofGetFrameNum() % 60, 0, 45, 0.04, 0);

}

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

void ofApp::draw() {

int span = 120;

int range = 100;

int radius = 20;

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

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

glm::vec2 center_point;

int number_of_point = 4;

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

glm::vec2 point = glm::vec2(

x + ofMap(ofNoise(ofRandom(10000), this->noise_seed), 0, 1, -range * 0.5, range * 0.5),

y + ofMap(ofNoise(ofRandom(10000), this->noise_seed), 0, 1, -range * 0.5, range * 0.5));

if (i == 0) {

ofNoFill();

ofSetColor(255);

ofDrawCircle(point, radius);

center_point = point;

}

else {

ofFill();

ofColor color;

color.setHsb((int)(ofRandom(255) + this->noise_seed * ofRandom(100, 200)) % 255, 200, 255);

ofSetColor(color);

ofDrawCircle(point, radius * 0.3);

float angle = std::atan2(point.y - center_point.y, point.x - center_point.x);

glm::vec2 line_point = center_point + glm::vec2(radius * cos(angle), radius * sin(angle));

ofDrawLine(line_point, point);

float rad_span = PI / 3;

ofBeginShape();

for (float rad = angle - rad_span; rad <= angle + rad_span; rad += PI / 60) {

ofVertex(center_point + glm::vec2(radius * 0.8 * cos(rad), radius * 0.8 * sin(rad)));

}

for (float rad = angle + rad_span; rad >= angle - rad_span; rad -= PI / 60) {

ofVertex(center_point + glm::vec2(radius * 0.3 * cos(rad), radius * 0.3 * sin(rad)));

}

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181211

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2018年12月10日2018年12月10日

Quadrilateral. openFrameworks

[ Video ]

[ About ]
ノイズ関数で変化する4点を結んで四角形を生成。ノイズ関数の引数の増加量をフレーム数で調整して動きに緩急をつけました

Connect the coordinates of 4 points with a line. I changing increase amount of parameter of Perlin Noise from frame number.

[ 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) {};

	float noise_seed;
};

#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) {};

float noise_seed;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);

	this->noise_seed = 0;
}

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

	ofSeedRandom(10);

	if (ofGetFrameNum() % 60 < 45) {
	
		this->noise_seed += ofMap(ofGetFrameNum() % 60, 0, 45, 0.03, 0);
	}
}

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

	int span = 120;
	int range = 100;
	for (int x = span * 0.5; x < ofGetWidth(); x += span) {

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

			ofPushMatrix();
			ofTranslate(x, y);

			ofFill();
			glm::vec2 top_point, prev_point;
			int number_of_point = 4;
			for (int i = 0; i < number_of_point; i++) {

				glm::vec2 point = glm::vec2(ofMap(ofNoise(ofRandom(10000), this->noise_seed), 0, 1, -range * 0.5, range * 0.5), ofMap(ofNoise(ofRandom(10000), this->noise_seed), 0, 1, -range * 0.5, range * 0.5));

				ofDrawCircle(point, 5);
				if (i != 0) {

					
					ofDrawLine(prev_point, point);
				}
				else {
					
					top_point = point;
				}

				prev_point = point;
			}
			ofDrawLine(top_point, prev_point);
			ofNoFill();
			ofDrawCircle(top_point, 8);
			
			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);

this->noise_seed = 0;

}

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

void ofApp::update() {

ofSeedRandom(10);

if (ofGetFrameNum() % 60 < 45) {

this->noise_seed += ofMap(ofGetFrameNum() % 60, 0, 45, 0.03, 0);

}

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

void ofApp::draw() {

int span = 120;

int range = 100;

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

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

ofPushMatrix();

ofTranslate(x, y);

ofFill();

glm::vec2 top_point, prev_point;

int number_of_point = 4;

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

glm::vec2 point = glm::vec2(ofMap(ofNoise(ofRandom(10000), this->noise_seed), 0, 1, -range * 0.5, range * 0.5), ofMap(ofNoise(ofRandom(10000), this->noise_seed), 0, 1, -range * 0.5, range * 0.5));

ofDrawCircle(point, 5);

if (i != 0) {

ofDrawLine(prev_point, point);

}

else {

top_point = point;

}

prev_point = point;

}

ofDrawLine(top_point, prev_point);

ofNoFill();

ofDrawCircle(top_point, 8);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181210

[ほしいものリスト]
Amazon

[ Sponsor Link ]

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