openframeworks – ページ 614 – プログラミング de 落描き

2018年7月21日

Color rings. openFrameworks

[ Video ]

[ About ]
各円は3色で構成されています。

Circles is made of three color.

[ 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("Insta");

	ofBackground(39);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

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

	int radius = 80;
	for (int x_index = -1; x_index <= 1; x_index++) {

		for (int y_index = -1; y_index <= 1; y_index++) {

			ofPoint location(x_index * 230, y_index * 230);
			ofPushMatrix();
			ofTranslate(location);

			for (int i = 0; i < 1; i++) {

				ofColor line_color;
				line_color.setHsb(ofRandom(255), 200, 255);
				ofSetColor(line_color);

				vector<ofPoint> vertices;
				ofBeginShape();
				for (int deg = 0; deg < 360; deg++) {

					ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
					vertices.push_back(point * 0.85);
					float noise_value = ofNoise(ofRandom(100), point.x * 0.005, point.y * 0.005, ofGetFrameNum() * 0.01);
					if (noise_value > 0.5) { 
						
						point = ofPoint(radius * (noise_value + 0.5) * cos(deg * DEG_TO_RAD), radius * (noise_value + 0.5) * sin(deg * DEG_TO_RAD)); 
					}
					ofVertex(point);
				}

				ofNextContour(true);
				ofVertices(vertices);
				ofEndShape(true);
			}

			ofPopMatrix();
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("Insta");

ofBackground(39);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

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

int radius = 80;

for (int x_index = -1; x_index <= 1; x_index++) {

for (int y_index = -1; y_index <= 1; y_index++) {

ofPoint location(x_index * 230, y_index * 230);

ofPushMatrix();

ofTranslate(location);

for (int i = 0; i < 1; i++) {

ofColor line_color;

line_color.setHsb(ofRandom(255), 200, 255);

ofSetColor(line_color);

vector<ofPoint> vertices;

ofBeginShape();

for (int deg = 0; deg < 360; deg++) {

ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

vertices.push_back(point * 0.85);

float noise_value = ofNoise(ofRandom(100), point.x * 0.005, point.y * 0.005, ofGetFrameNum() * 0.01);

if (noise_value > 0.5) {

point = ofPoint(radius * (noise_value + 0.5) * cos(deg * DEG_TO_RAD), radius * (noise_value + 0.5) * sin(deg * DEG_TO_RAD));

}

ofVertex(point);

}

ofNextContour(true);

ofVertices(vertices);

ofEndShape(true);

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180721

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2018年7月20日2018年7月20日

Segment circle. openFrameworks

[ Video ]

[ About ]
円を分割して、高さはパーリンノイズで変化させました。

I draw segmented circle. And height is determined by Perlin noise.

[ 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;
};

#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;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("Insta");

	ofBackground(39);
	ofEnableDepthTest();
}

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

}

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

	int radius_span = 50;
	int deg_span = 10;

	this->cam.begin();

	for (int radius = radius_span; radius < 360; radius += radius_span) {

		for (int deg = 0; deg < 360; deg += deg_span) {

			ofPoint noise_point((radius + radius_span * 0.5) * cos((deg + deg_span * 0.5) * DEG_TO_RAD), (radius + radius_span * 0.5) * sin((deg + deg_span * 0.5) * DEG_TO_RAD));
			float noise_value = ofNoise(noise_point.x * 0.005, noise_point.y * 0.005, ofGetFrameNum() * 0.005);
			int z = noise_value * radius;

			ofColor body_color(ofMap(noise_value, 0, 1, 39, 255));
			ofSetColor(body_color);

			ofPoint p1(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z);
			ofPoint p2(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD), z);
			ofPoint p3((radius + radius_span) * cos((deg + deg_span) * DEG_TO_RAD), (radius + radius_span) * sin((deg + deg_span) * DEG_TO_RAD), z);
			ofPoint p4((radius + radius_span) * cos(deg * DEG_TO_RAD), (radius + radius_span) * sin(deg * DEG_TO_RAD), z);
		
			ofBeginShape();
			ofVertex(p1);
			ofVertex(p2);
			ofVertex(p3);
			ofVertex(p4);
			ofEndShape(true);

			ofBeginShape();
			ofVertex(p1);
			ofVertex(p2);
			ofVertex(p2 - ofPoint(0, 0, z));
			ofVertex(p1 - ofPoint(0, 0, z));
			ofEndShape(true);

			ofBeginShape();
			ofVertex(p2);
			ofVertex(p3);
			ofVertex(p3 - ofPoint(0, 0, z));
			ofVertex(p2 - ofPoint(0, 0, z));
			ofEndShape(true);

			ofBeginShape();
			ofVertex(p3);
			ofVertex(p4);
			ofVertex(p4 - ofPoint(0, 0, z));
			ofVertex(p3 - ofPoint(0, 0, z));
			ofEndShape(true);

			ofBeginShape();
			ofVertex(p1);
			ofVertex(p4);
			ofVertex(p4 - ofPoint(0, 0, z));
			ofVertex(p1 - ofPoint(0, 0, z));
			ofEndShape(true);
		}
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("Insta");

ofBackground(39);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int radius_span = 50;

int deg_span = 10;

this->cam.begin();

for (int radius = radius_span; radius < 360; radius += radius_span) {

for (int deg = 0; deg < 360; deg += deg_span) {

ofPoint noise_point((radius + radius_span * 0.5) * cos((deg + deg_span * 0.5) * DEG_TO_RAD), (radius + radius_span * 0.5) * sin((deg + deg_span * 0.5) * DEG_TO_RAD));

float noise_value = ofNoise(noise_point.x * 0.005, noise_point.y * 0.005, ofGetFrameNum() * 0.005);

int z = noise_value * radius;

ofColor body_color(ofMap(noise_value, 0, 1, 39, 255));

ofSetColor(body_color);

ofPoint p1(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z);

ofPoint p2(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD), z);

ofPoint p3((radius + radius_span) * cos((deg + deg_span) * DEG_TO_RAD), (radius + radius_span) * sin((deg + deg_span) * DEG_TO_RAD), z);

ofPoint p4((radius + radius_span) * cos(deg * DEG_TO_RAD), (radius + radius_span) * sin(deg * DEG_TO_RAD), z);

ofBeginShape();

ofVertex(p1);

ofVertex(p2);

ofVertex(p3);

ofVertex(p4);

ofEndShape(true);

ofBeginShape();

ofVertex(p1);

ofVertex(p2);

ofVertex(p2 - ofPoint(0, 0, z));

ofVertex(p1 - ofPoint(0, 0, z));

ofEndShape(true);

ofBeginShape();

ofVertex(p2);

ofVertex(p3);

ofVertex(p3 - ofPoint(0, 0, z));

ofVertex(p2 - ofPoint(0, 0, z));

ofEndShape(true);

ofBeginShape();

ofVertex(p3);

ofVertex(p4);

ofVertex(p4 - ofPoint(0, 0, z));

ofVertex(p3 - ofPoint(0, 0, z));

ofEndShape(true);

ofBeginShape();

ofVertex(p1);

ofVertex(p4);

ofVertex(p4 - ofPoint(0, 0, z));

ofVertex(p1 - ofPoint(0, 0, z));

ofEndShape(true);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180720

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Amazon

[ Sponsor Link ]

2018年7月19日2018年7月19日

Color particles. openFrameworks

[ Video ]

[ About ]
トーラス座標上を移動するパーティクルに色を付けました。

I added colors to the particles on the torus coordinate.

[ 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) {};

	// Make Member
	ofEasyCam cam;
	// Make Method
	ofPoint make_torus_point(float radius, float small_radius, float deg, float small_deg);
};

#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) {};

// Make Member

ofEasyCam cam;

// Make Method

ofPoint make_torus_point(float radius, float small_radius, float deg, float small_deg);

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("Insta");

	ofBackground(239);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(270);

	vector<ofPoint> points;
	vector<int> sizes;
	vector<ofColor> colors;
	for (int i = 0; i < 512; i++) {

		ofPoint point = this->make_torus_point(300, ofRandom(10, 65), ofRandom(360) + ofGetFrameNum() * ofRandom(1), ofRandom(360) + ofGetFrameNum() * ofRandom(5));
		points.push_back(point);
		sizes.push_back(1);

		ofColor tmp_color;
		tmp_color.setHsb(ofRandom(255), 200, 255);
		colors.push_back(tmp_color);
	}

	for (int out_index = 0; out_index < points.size(); out_index++) {

		for (int in_index = out_index + 1; in_index < points.size(); in_index++) {

			if (points[out_index].distance(points[in_index]) < 50) {

				sizes[out_index]++;
				sizes[in_index]++;
			}
		}
	}

	// Draw Circle
	for (int i = 0; i < points.size(); i++) {

		ofSetColor(colors[i]);
		ofDrawSphere(points[i], sizes[i]);
	}

	this->cam.end();
}

//--------------------------------------------------------------
ofPoint ofApp::make_torus_point(float radius, float small_radius, float deg, float small_deg) {

	float x_1 = radius * cos(deg * DEG_TO_RAD);
	float y_1 = radius * sin(deg * DEG_TO_RAD);

	float x_2 = small_radius * cos(small_deg * DEG_TO_RAD) * cos(deg * DEG_TO_RAD);
	float y_2 = small_radius * cos(small_deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD);

	float x = x_1 + x_2;
	float y = y_1 + y_2;
	float z = small_radius * sin(small_deg * DEG_TO_RAD);

	return ofPoint(x, y, z);
}

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

	ofSetupOpenGL(1280, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("Insta");

ofBackground(239);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

vector<ofPoint> points;

vector<int> sizes;

vector<ofColor> colors;

for (int i = 0; i < 512; i++) {

ofPoint point = this->make_torus_point(300, ofRandom(10, 65), ofRandom(360) + ofGetFrameNum() * ofRandom(1), ofRandom(360) + ofGetFrameNum() * ofRandom(5));

points.push_back(point);

sizes.push_back(1);

ofColor tmp_color;

tmp_color.setHsb(ofRandom(255), 200, 255);

colors.push_back(tmp_color);

}

for (int out_index = 0; out_index < points.size(); out_index++) {

for (int in_index = out_index + 1; in_index < points.size(); in_index++) {

if (points[out_index].distance(points[in_index]) < 50) {

sizes[out_index]++;

sizes[in_index]++;

}

// Draw Circle

for (int i = 0; i < points.size(); i++) {

ofSetColor(colors[i]);

ofDrawSphere(points[i], sizes[i]);

}

this->cam.end();

}

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

ofPoint ofApp::make_torus_point(float radius, float small_radius, float deg, float small_deg) {

float x_1 = radius * cos(deg * DEG_TO_RAD);

float y_1 = radius * sin(deg * DEG_TO_RAD);

float x_2 = small_radius * cos(small_deg * DEG_TO_RAD) * cos(deg * DEG_TO_RAD);

float y_2 = small_radius * cos(small_deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD);

float x = x_1 + x_2;

float y = y_1 + y_2;

float z = small_radius * sin(small_deg * DEG_TO_RAD);

return ofPoint(x, y, z);

}

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

int main() {

ofSetupOpenGL(1280, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180719

[ほしいものリスト]
Amazon

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