プログラミング de 落描き – ページ 664 – クリエイティブ・コーディングによる生成物とソース

2019年6月14日2019年6月14日

Particle in torus. openFrameworks

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[ About ]
タピオカがインスタ映えすると聞いたのでタピオカ・トーラスしてみまいた。

Particle in torus.

[ 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) {};

	glm::vec3 make_point(float R, float r, float u, float v);

	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) {};

glm::vec3 make_point(float R, float r, float u, float v);

ofEasyCam cam;

};

#include "ofApp.h"

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

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

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

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	auto R = 300.f;
	auto r = 100.f;
	auto u = 0.f;
	auto u_step = 10.f;
	auto v_step = 5.f;
	ofColor color;

	for (int i = 0; i < 9; i++) {

		auto v_start = i * 20;
		vector<glm::vec3> vertices;
		for (auto v = v_start; v < v_start + 360; v += v_step) {

			vertices.clear();
			vertices.push_back(this->make_point(R, r, u, v));
			vertices.push_back(this->make_point(R, r, u + u_step, v + v_step));
			vertices.push_back(this->make_point(R, r, u, v + v_step));
			vertices.push_back(this->make_point(R, r, u - u_step, v));

			ofFill();
			ofSetColor(239);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);

			ofSetColor(39);
			ofDrawLine(this->make_point(R, r, u + 0.5, v), this->make_point(R, r, u + u_step + 0.5, v + v_step));
			ofDrawLine(this->make_point(R, r, u - 0.5, v + v_step), this->make_point(R, r, u - u_step - 0.5, v));

			u += u_step;
		}
	}

	auto frame_count = ofGetFrameNum();
	for (int i = 0; i < 30; i++) {

		auto tmp_r = ofRandom(20, r - 20);
		auto tmp_u = ofRandom(360) + frame_count * ofRandom(0.5, 1.0);
		auto tmp_v = ofRandom(360) + frame_count * ofRandom(0.5, 1.0);

		ofDrawSphere(this->make_point(R, tmp_r, tmp_u, tmp_v), 10);
	}

	this->cam.end();
}

//--------------------------------------------------------------
glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

	// 数学デッサン教室 描いて楽しむ数学たち　P.31

	u *= DEG_TO_RAD;
	v *= DEG_TO_RAD;

	auto x = (R + r * cos(u)) * cos(v);
	auto y = (R + r * cos(u)) * sin(v);
	auto z = r * sin(u);

	return glm::vec3(x, y, z);
}


//--------------------------------------------------------------
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() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

auto R = 300.f;

auto r = 100.f;

auto u = 0.f;

auto u_step = 10.f;

auto v_step = 5.f;

ofColor color;

for (int i = 0; i < 9; i++) {

auto v_start = i * 20;

vector<glm::vec3> vertices;

for (auto v = v_start; v < v_start + 360; v += v_step) {

vertices.clear();

vertices.push_back(this->make_point(R, r, u, v));

vertices.push_back(this->make_point(R, r, u + u_step, v + v_step));

vertices.push_back(this->make_point(R, r, u, v + v_step));

vertices.push_back(this->make_point(R, r, u - u_step, v));

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofSetColor(39);

ofDrawLine(this->make_point(R, r, u + 0.5, v), this->make_point(R, r, u + u_step + 0.5, v + v_step));

ofDrawLine(this->make_point(R, r, u - 0.5, v + v_step), this->make_point(R, r, u - u_step - 0.5, v));

u += u_step;

}

auto frame_count = ofGetFrameNum();

for (int i = 0; i < 30; i++) {

auto tmp_r = ofRandom(20, r - 20);

auto tmp_u = ofRandom(360) + frame_count * ofRandom(0.5, 1.0);

auto tmp_v = ofRandom(360) + frame_count * ofRandom(0.5, 1.0);

ofDrawSphere(this->make_point(R, tmp_r, tmp_u, tmp_v), 10);

}

this->cam.end();

}

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

glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

// 数学デッサン教室描いて楽しむ数学たち　P.31

u *= DEG_TO_RAD;

v *= DEG_TO_RAD;

auto x = (R + r * cos(u)) * cos(v);

auto y = (R + r * cos(u)) * sin(v);

auto z = r * sin(u);

return glm::vec3(x, y, z);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190614

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2019年6月13日2019年6月13日

Line and shadow. openFrameworks

[ Video ]

[ About ]
線と影

Line and shadow.

[ Source ]

#pragma once
#include "ofMain.h"
#include "opencv2/opencv.hpp"

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) {};

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

	ofFbo fbo;
	ofPixels pixels;
	cv::Mat pixels_mat;
};

#pragma once

#include "ofMain.h"

#include "opencv2/opencv.hpp"

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) {};

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

ofFbo fbo;

ofPixels pixels;

cv::Mat pixels_mat;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(2);
	
	this->fbo.allocate(ofGetWidth() + 25, ofGetHeight() + 25);
	this->fbo.readToPixels(this->pixels);
	this->pixels_mat = cv::Mat(this->pixels.getHeight(), this->pixels.getWidth(), CV_8UC4, this->pixels.getData());
}

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

	ofSeedRandom(39);

	this->fbo.begin();
	ofClear(0);

	for (int x = 200; x < ofGetWidth(); x += 360) {

		ofPushMatrix();
		ofTranslate(x, ofGetHeight() * 0.5 - 5);

		int len = 300;
		for (int i = 0; i < 8; i++) {

			vector<glm::vec2> vertices;
			int width = ofRandom(1, 3);

			float noise_seed_1 = ofRandom(1000);
			float noise_seed_2 = ofRandom(1000);

			int param_start = ofMap(ofNoise(noise_seed_1, ofGetFrameNum() * 0.003), 0, 1, 0, 100);
			for (int param = param_start; param <= param_start + width; param++) {

				vertices.push_back(this->make_point(len, param));
			}

			int tmp_param_start = param_start + ofMap(ofNoise(noise_seed_2, ofGetFrameNum() * 0.003), 0, 1, 25, 50);
			for (int param = tmp_param_start; param <= tmp_param_start + width; param++) {

				vertices.push_back(this->make_point(len, param));
			}

			ofFill();
			ofSetColor(39);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);

			ofNoFill();
			ofSetColor(239);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);
		}

		ofPopMatrix();
	}

	this->fbo.end();
	this->fbo.readToPixels(this->pixels);

	cv::GaussianBlur(this->pixels_mat, this->pixels_mat, cv::Size(19, 19), 10, 10);
}

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

	ofSetColor(255, 192);
	ofImage draw_image;
	draw_image.setFromPixels(this->pixels);
	draw_image.draw(-5, -5);

	ofSetColor(255);
	this->fbo.draw(-25, -25);
}

//--------------------------------------------------------------
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());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(2);

this->fbo.allocate(ofGetWidth() + 25, ofGetHeight() + 25);

this->fbo.readToPixels(this->pixels);

this->pixels_mat = cv::Mat(this->pixels.getHeight(), this->pixels.getWidth(), CV_8UC4, this->pixels.getData());

}

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

void ofApp::update() {

ofSeedRandom(39);

this->fbo.begin();

ofClear(0);

for (int x = 200; x < ofGetWidth(); x += 360) {

ofPushMatrix();

ofTranslate(x, ofGetHeight() * 0.5 - 5);

int len = 300;

for (int i = 0; i < 8; i++) {

vector<glm::vec2> vertices;

int width = ofRandom(1, 3);

float noise_seed_1 = ofRandom(1000);

float noise_seed_2 = ofRandom(1000);

int param_start = ofMap(ofNoise(noise_seed_1, ofGetFrameNum() * 0.003), 0, 1, 0, 100);

for (int param = param_start; param <= param_start + width; param++) {

vertices.push_back(this->make_point(len, param));

}

int tmp_param_start = param_start + ofMap(ofNoise(noise_seed_2, ofGetFrameNum() * 0.003), 0, 1, 25, 50);

for (int param = tmp_param_start; param <= tmp_param_start + width; param++) {

vertices.push_back(this->make_point(len, param));

}

ofFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

ofPopMatrix();

}

this->fbo.end();

this->fbo.readToPixels(this->pixels);

cv::GaussianBlur(this->pixels_mat, this->pixels_mat, cv::Size(19, 19), 10, 10);

}

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

void ofApp::draw() {

ofSetColor(255, 192);

ofImage draw_image;

draw_image.setFromPixels(this->pixels);

draw_image.draw(-5, -5);

ofSetColor(255);

this->fbo.draw(-25, -25);

}

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

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/Insta20190613

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2019年6月12日2019年6月12日

Shake the circle. openFrameworks

[ Video ]

[ About ]
円をシェイク。

Shake the circle.

[ 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);
	ofSetLineWidth(2);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	auto len = 20;
	auto noise_param = ofGetFrameNum() * 0.01;
	for (int radius = 50; radius < 300; radius += 30) {

		auto rotate = 0.f;
		auto noise_value = ofNoise(noise_param += 0.08);
		if (noise_value < 0.45) {

			rotate = ofMap(noise_value, 0, 0.45, -90, 0);
		}
		else if (noise_value > 0.55) {

			rotate = ofMap(noise_value, 0.55, 1, 0, 90);
		}

		ofPushMatrix();
		ofRotateY(rotate);

		vector<glm::vec2> outer, inner;
		for (int deg = 0; deg < 360; deg++) {

			outer.push_back(glm::vec2((radius + len * 0.5) * cos(deg * DEG_TO_RAD), (radius + len * 0.5) * sin(deg * DEG_TO_RAD)));
			inner.push_back(glm::vec2((radius - len * 0.5) * cos(deg * DEG_TO_RAD), (radius - len * 0.5) * sin(deg * DEG_TO_RAD)));
		}

		ofFill();
		ofSetColor(239);
		ofBeginShape();
		ofVertices(outer);
		ofNextContour(true);
		ofVertices(inner);
		ofEndShape(true);

		ofNoFill();
		ofSetColor(39);
		ofBeginShape();
		ofVertices(outer);
		ofNextContour(true);
		ofVertices(inner);
		ofEndShape(true);

		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(239);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

auto len = 20;

auto noise_param = ofGetFrameNum() * 0.01;

for (int radius = 50; radius < 300; radius += 30) {

auto rotate = 0.f;

auto noise_value = ofNoise(noise_param += 0.08);

if (noise_value < 0.45) {

rotate = ofMap(noise_value, 0, 0.45, -90, 0);

}

else if (noise_value > 0.55) {

rotate = ofMap(noise_value, 0.55, 1, 0, 90);

}

ofPushMatrix();

ofRotateY(rotate);

vector<glm::vec2> outer, inner;

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

outer.push_back(glm::vec2((radius + len * 0.5) * cos(deg * DEG_TO_RAD), (radius + len * 0.5) * sin(deg * DEG_TO_RAD)));

inner.push_back(glm::vec2((radius - len * 0.5) * cos(deg * DEG_TO_RAD), (radius - len * 0.5) * sin(deg * DEG_TO_RAD)));

}

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(outer);

ofNextContour(true);

ofVertices(inner);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(outer);

ofNextContour(true);

ofVertices(inner);

ofEndShape(true);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190612

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