triangle – ページ 8 – プログラミング de 落描き

2018年5月4日2018年5月4日

僕

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下記のツイートを参考に作成してみました！！

なめらかな多角形から始まるジェネラティブアート#1｜梶田悠 @kajitaj63b3｜note（ノート） https://t.co/3FzScBnAyT

— 梶田悠 haruka kajita (@kajitaj63b3) 2018年5月2日

[ 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);
	ofBackground(39);
	ofSetWindowTitle("Insta");

	ofNoFill();
	ofSetColor(39, 39, 239, 128);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

}

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

	ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);

	int shape_res = 3;
	int deg_span = 360 / shape_res;

	for (int radius = 150; radius < 350; radius += 1) {

		vector<ofPoint> points;
		for (int deg = 0; deg < 360; deg += deg_span) {

			ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			point *= ofMap(ofNoise(radius * 0.01 + deg * 0.005, ofGetFrameNum() * 0.005), 0, 1, 0.65, 1.0);

			points.push_back(point);
		}

		ofBeginShape();

		ofCurveVertex(points[points.size() - 1]);
		ofCurveVertices(points);
		ofCurveVertex(points[0]);
		ofCurveVertex(points[1]);

		ofEndShape();
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(39);

ofSetWindowTitle("Insta");

ofNoFill();

ofSetColor(39, 39, 239, 128);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);

int shape_res = 3;

int deg_span = 360 / shape_res;

for (int radius = 150; radius < 350; radius += 1) {

vector<ofPoint> points;

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

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

point *= ofMap(ofNoise(radius * 0.01 + deg * 0.005, ofGetFrameNum() * 0.005), 0, 1, 0.65, 1.0);

points.push_back(point);

}

ofBeginShape();

ofCurveVertex(points[points.size() - 1]);

ofCurveVertices(points);

ofCurveVertex(points[0]);

ofCurveVertex(points[1]);

ofEndShape();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

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2018年3月17日2018年3月16日

UnknownBall openFrameworks

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思いつくままにコーディングしていたら、良く分からないものが出来上がりました。これは何でしょう？

ソースコードのハイライトは、色が異なる面が重なると描写が乱れるので、ofTranslate(point * -0.001)という超小手先の対応で何とかしている所。

[ 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;
	ofIcoSpherePrimitive icoSphere;
};

#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;

ofIcoSpherePrimitive icoSphere;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofBackground(239);
	ofSetWindowTitle("Insta");
	ofEnableDepthTest();

	this->icoSphere.setRadius(250);
	this->icoSphere.setResolution(2);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(ofGetFrameNum() * 0.1);
	ofRotateY(ofGetFrameNum() * 0.25);

	vector<ofMeshFace> triangles = icoSphere.getMesh().getUniqueFaces();
	for (int i = 0; i < triangles.size(); i++) {

		ofPoint avg = (triangles[i].getVertex(0) + triangles[i].getVertex(1) + triangles[i].getVertex(2)) / 3;
		float noise_value = ofNoise(avg.y * 0.005 + ofGetFrameNum() * 0.05);

		for (float roop_noise = 1.f; roop_noise > noise_value; roop_noise -= 0.2f) {

			ofMesh mesh;
			for (int v_index = 0; v_index < 3; v_index++) {

				ofPoint point = triangles[i].getVertex(v_index) - avg;
				mesh.addVertex(point * roop_noise);
			}

			ofPushMatrix();
			ofTranslate(avg);

			ofSetColor(239);
			mesh.drawWireframe();

			if (roop_noise == 1.f) {

				ofTranslate(avg * -0.001);
				ofSetColor(39);
				mesh.drawFaces();
			}
			else if (roop_noise - 0.2f < noise_value) {
			
				ofSetColor(239);
				mesh.drawFaces();
			}

			ofPopMatrix();
		}
	}

	this->cam.end();
}


//========================================================================
int main() {

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofBackground(239);

ofSetWindowTitle("Insta");

ofEnableDepthTest();

this->icoSphere.setRadius(250);

this->icoSphere.setResolution(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(ofGetFrameNum() * 0.1);

ofRotateY(ofGetFrameNum() * 0.25);

vector<ofMeshFace> triangles = icoSphere.getMesh().getUniqueFaces();

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

ofPoint avg = (triangles[i].getVertex(0) + triangles[i].getVertex(1) + triangles[i].getVertex(2)) / 3;

float noise_value = ofNoise(avg.y * 0.005 + ofGetFrameNum() * 0.05);

for (float roop_noise = 1.f; roop_noise > noise_value; roop_noise -= 0.2f) {

ofMesh mesh;

for (int v_index = 0; v_index < 3; v_index++) {

ofPoint point = triangles[i].getVertex(v_index) - avg;

mesh.addVertex(point * roop_noise);

}

ofPushMatrix();

ofTranslate(avg);

ofSetColor(239);

mesh.drawWireframe();

if (roop_noise == 1.f) {

ofTranslate(avg * -0.001);

ofSetColor(39);

mesh.drawFaces();

}

else if (roop_noise - 0.2f < noise_value) {

ofSetColor(239);

mesh.drawFaces();

}

ofPopMatrix();

}

this->cam.end();

}

//========================================================================

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180316

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2018年3月10日2018年3月9日

Shapes openFrameworks

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[ About ]
比較的簡単に、sin関数とcos関数で描ける図形を並べてみました。ちょっと高級な、箱に入ったチョコレートみたいな見た目で可愛いですね。

[ 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) {};

	void draw_shape(ofPoint point, float radius, int type);
};

#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_shape(ofPoint point, float radius, int type);

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofBackground(239);
	ofSetWindowTitle("Insta");

	ofSetColor(39);
	ofNoFill();
}

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

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

	int size = 60;

	for (int x = size / 2; x < ofGetWidth() + size / 2; x += size) {

		for (int y = size / 2; y < ofGetHeight() + size / 2; y += size) {

			ofPoint point = ofPoint(x, y);
			float radius = (size * 0.5) * 0.8;
			int type = ofNoise(x * 0.005, y * 0.005) * 11;
			this->draw_shape(point, radius , type);

			int n = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.01) * 12;
			for (int i = 0; i < n; i++) {
				
				float mini_radius = radius - 2.5 * i;
				if (mini_radius < 0) {

					break;
				}
				this->draw_shape(point, mini_radius, type);

			}
		}
	}
}

//--------------------------------------------------------------
void ofApp::draw_shape(ofPoint point, float radius, int type) {

	int deg_span = 1;
	int rotate = 0;

	switch (type) {
	case 0:
	case 9:
		deg_span = 120;
		rotate = 270;
		break;
	case 1:
	case 8:
		deg_span = 90;
		rotate = 45;

		break;
	case 2:
	case 6:
		deg_span = 60;
		rotate = 30;
		break;
	case 3:
	case 4:
	case 5:
		deg_span = 1;
		break;
	case 10:
		deg_span = 30;
		break;
	}
	
	ofPushMatrix();
	ofTranslate(point);
	ofRotate(rotate);

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

		if (type == 10 && (deg / deg_span) % 2 == 0) {

			ofVertex(radius * 0.5 * cos(deg * DEG_TO_RAD), radius * 0.5 * sin(deg * DEG_TO_RAD));
		}
		else {

			ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		}
	}
	ofEndShape(true);

	ofPopMatrix();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofSetColor(39);

ofNoFill();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int size = 60;

for (int x = size / 2; x < ofGetWidth() + size / 2; x += size) {

for (int y = size / 2; y < ofGetHeight() + size / 2; y += size) {

ofPoint point = ofPoint(x, y);

float radius = (size * 0.5) * 0.8;

int type = ofNoise(x * 0.005, y * 0.005) * 11;

this->draw_shape(point, radius , type);

int n = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.01) * 12;

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

float mini_radius = radius - 2.5 * i;

if (mini_radius < 0) {

break;

}

this->draw_shape(point, mini_radius, type);

}

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

void ofApp::draw_shape(ofPoint point, float radius, int type) {

int deg_span = 1;

int rotate = 0;

switch (type) {

case 0:

case 9:

deg_span = 120;

rotate = 270;

break;

case 1:

case 8:

deg_span = 90;

rotate = 45;

break;

case 2:

case 6:

deg_span = 60;

rotate = 30;

break;

case 3:

case 4:

case 5:

deg_span = 1;

break;

case 10:

deg_span = 30;

break;

}

ofPushMatrix();

ofTranslate(point);

ofRotate(rotate);

ofBeginShape();

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

if (type == 10 && (deg / deg_span) % 2 == 0) {

ofVertex(radius * 0.5 * cos(deg * DEG_TO_RAD), radius * 0.5 * sin(deg * DEG_TO_RAD));

}

else {

ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

}

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180309

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