プログラミング de 落描き – ページ 822 – クリエイティブ・コーディングによる生成物とソース

2018年4月23日2018年4月22日

Kinect座標とNoise openFrameworks

[ Video ]

[ About ]
Kinectからとれる3次元座標にNoiseで位置づらしをしました。

[ Source ]

#pragma once

#include <Windows.h>
#include <NuiApi.h>
#include <opencv2/opencv.hpp>
#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) {}

	// Kinect
	INuiSensor* sensor;
	INuiCoordinateMapper* cordinate_mapper;
	HANDLE color_event;
	HANDLE color_handle;
	HANDLE depth_event;
	HANDLE depth_handle;
	HANDLE events[2];
	int width, height;

	// OpenCV
	cv::Mat frame;
	cv::Mat depth;

	// openFrameworks
	ofEasyCam cam;
	ofLight light;
	ofImage frame_img;
};

#pragma once

#include <Windows.h>

#include <NuiApi.h>

#include <opencv2/opencv.hpp>

#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) {}

// Kinect

INuiSensor* sensor;

INuiCoordinateMapper* cordinate_mapper;

HANDLE color_event;

HANDLE color_handle;

HANDLE depth_event;

HANDLE depth_handle;

HANDLE events[2];

int width, height;

// OpenCV

cv::Mat frame;

cv::Mat depth;

// openFrameworks

ofEasyCam cam;

ofLight light;

ofImage frame_img;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {
	ofSetFrameRate(30);
	ofBackground(39);
	ofSetWindowTitle("InstaKinect");

	ofEnableDepthTest();
	ofSetColor(239);

	// Create Instance
	this->sensor = nullptr;
	HRESULT result = S_OK;
	result = NuiCreateSensorByIndex(0, &sensor);
	if (FAILED(result)) {
		cout << "Error : Create Sensor" << endl;
		return;
	}

	// Initialize
	result = sensor->NuiInitialize(NUI_INITIALIZE_FLAG_USES_COLOR | NUI_INITIALIZE_FLAG_USES_DEPTH);
	if (FAILED(result)) {
		cout << "Error : Initialise COLOR" << endl;
		return;
	}

	// Color
	this->color_event = INVALID_HANDLE_VALUE;
	this->color_handle = INVALID_HANDLE_VALUE;
	color_event = CreateEventW(nullptr, true, false, nullptr);
	result = sensor->NuiImageStreamOpen(NUI_IMAGE_TYPE_COLOR, NUI_IMAGE_RESOLUTION_640x480, 0, 2, color_event, &color_handle);
	if (FAILED(result)) {
		cout << "Error : Color Stream Open" << endl;
		return;
	}

	// Depth
	this->depth_event = INVALID_HANDLE_VALUE;
	this->depth_handle = INVALID_HANDLE_VALUE;
	depth_event = CreateEventW(nullptr, true, false, nullptr);
	result = sensor->NuiImageStreamOpen(NUI_IMAGE_TYPE_DEPTH, NUI_IMAGE_RESOLUTION_640x480, 0, 2, depth_event, &depth_handle);
	if (FAILED(result)) {
		cout << "Error : Depth Stream Open" << endl;
		return;
	}

	// Size
	unsigned long refWidth = 0;
	unsigned long refHeight = 0;
	NuiImageResolutionToSize(NUI_IMAGE_RESOLUTION_640x480, refWidth, refHeight);
	this->width = static_cast<int>(refWidth);
	this->height = static_cast<int>(refHeight);

	// Mapp
	this->cordinate_mapper = nullptr;
	result = sensor->NuiGetCoordinateMapper(&this->cordinate_mapper);
	if (FAILED(result)) {
		cout << "Error : Cordinate Mapper " << endl;
		return;
	}

	// OpenCV
	this->frame_img.allocate(this->width, this->height, OF_IMAGE_COLOR);
	this->frame = cv::Mat(this->frame_img.getHeight(), this->frame_img.getWidth(), CV_MAKETYPE(CV_8UC3, this->frame_img.getPixels().getNumChannels()), this->frame_img.getPixels().getData(), 0);
	this->depth = cv::Mat(height, width, CV_16UC1);

	this->events[0] = this->color_event;
	this->events[1] = this->depth_event;

}

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

	HRESULT result = S_OK;

	// Color Table
	cv::Vec3b color[7];
	color[0] = cv::Vec3b(0, 0, 0);
	color[1] = cv::Vec3b(255, 0, 0);
	color[2] = cv::Vec3b(0, 255, 0);
	color[3] = cv::Vec3b(0, 0, 255);
	color[4] = cv::Vec3b(255, 255, 0);
	color[5] = cv::Vec3b(255, 0, 255);
	color[6] = cv::Vec3b(0, 255, 255);

	std::vector<NUI_COLOR_IMAGE_POINT> color_point(width * height);

	// Wait frame update.
	ResetEvent(this->color_event);
	ResetEvent(this->depth_event);
	WaitForMultipleObjects(ARRAYSIZE(this->events), this->events, true, INFINITE);

	// Get frame from color camera.
	NUI_IMAGE_FRAME colorImageFrame = { 0 };
	result = sensor->NuiImageStreamGetNextFrame(this->color_handle, 0, &colorImageFrame);
	if (FAILED(result)) {
		std::cerr << "Error : NuiImageStreamGetNextFrame( COLOR )" << std::endl;
		return;
	}

	// Get image data.
	INuiFrameTexture* pColorFrameTexture = colorImageFrame.pFrameTexture;
	NUI_LOCKED_RECT colorLockedRect;
	pColorFrameTexture->LockRect(0, &colorLockedRect, nullptr, 0);

	//// Get frame from depth camera.
	NUI_IMAGE_FRAME depthImageFrame = { 0 };
	result = this->sensor->NuiImageStreamGetNextFrame(this->depth_handle, 0, &depthImageFrame);
	if (FAILED(result)) {
		std::cerr << "Error : NuiImageStreamGetNextFrame( DEPTH )" << std::endl;
		return;
	}

	// Get depth data.
	BOOL nearMode = false;
	INuiFrameTexture* pDepthFrameTexture = nullptr;
	this->sensor->NuiImageFrameGetDepthImagePixelFrameTexture(this->depth_handle, &depthImageFrame, &nearMode, &pDepthFrameTexture);
	NUI_LOCKED_RECT depthLockedRect;
	pDepthFrameTexture->LockRect(0, &depthLockedRect, nullptr, 0);

	// OpenCV(image)
	cv::Mat src = cv::Mat(this->height, this->width, CV_8UC4, reinterpret_cast<unsigned char*>(colorLockedRect.pBits));
	cv::cvtColor(src, this->frame, CV_BGRA2RGB);
	cv::imshow("frame", this->frame);

	// OpenCV(depth)
	cv::Mat bufferMat = cv::Mat::zeros(height, width, CV_16UC1);
	NUI_DEPTH_IMAGE_PIXEL* depth_pixel = reinterpret_cast<NUI_DEPTH_IMAGE_PIXEL*>(depthLockedRect.pBits);
	this->cordinate_mapper->MapDepthFrameToColorFrame(NUI_IMAGE_RESOLUTION_640x480, width * height, depth_pixel, NUI_IMAGE_TYPE_COLOR, NUI_IMAGE_RESOLUTION_640x480, width * height, &color_point[0]);
	for (int y = 0; y < height; y++) {
		for (int x = 0; x < width; x++) {
			unsigned int index = y * width + x;
			bufferMat.at<unsigned short>(color_point[index].y, color_point[index].x) = depth_pixel[index].depth;
		}
	}
	bufferMat.copyTo(this->depth);
	//cv::imshow("depth", this->depth);

	// Release
	pColorFrameTexture->UnlockRect(0);
	pDepthFrameTexture->UnlockRect(0);
	this->sensor->NuiImageStreamReleaseFrame(this->color_handle, &colorImageFrame);
	this->sensor->NuiImageStreamReleaseFrame(this->depth_handle, &depthImageFrame);

	this->light.setPosition(ofVec3f(0, 0, 4096));
	ofEnableLighting();
	this->light.enable();
}

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

	this->cam.begin();
	ofTranslate(-ofGetWidth() / 2, -ofGetHeight() / 2, -512);
	ofRotateX(180);

	for (int y = 0; y < this->depth.rows; y += 5) {

		for (int x = 0; x < this->depth.cols; x += 5) {

			int z = depth.at<unsigned short>(y, x);

			if (z != 0 && z < 1024 + 512) {

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

				float noise_x = ofNoise(x * 0.005, ofGetFrameNum() * 0.05);
				float noise_y = ofNoise(y * 0.005, ofGetFrameNum() * 0.05);
				float noise_z = ofNoise(z * 0.005, ofGetFrameNum() * 0.05);
				float gap = 100;

				ofPoint noise_point = ofPoint(ofMap(noise_x, 0, 1, -gap, gap), ofMap(noise_y, 0, 1, -gap, gap), ofMap(noise_z, 0, 1, 0, -gap * 2));
				
				if (noise_point.length() < gap) {

					ofSetColor(ofMap(noise_x, 0, 1, 0, 255), ofMap(noise_y, 0, 1, 0, 255), ofMap(noise_z, 0, 1, 0, 255));
					ofDrawLine(ofPoint(), noise_point);
					ofDrawBox(noise_point, 8);
				}
				else {

					ofSetColor(239);
					ofDrawBox(ofPoint(), 8);
				}

				ofPopMatrix();
			}
		}
	}

	this->cam.end();
}

//========================================================================
int main() {
	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofBackground(39);

ofSetWindowTitle("InstaKinect");

ofEnableDepthTest();

ofSetColor(239);

// Create Instance

this->sensor = nullptr;

HRESULT result = S_OK;

result = NuiCreateSensorByIndex(0, &sensor);

if (FAILED(result)) {

cout << "Error : Create Sensor" << endl;

return;

}

// Initialize

result = sensor->NuiInitialize(NUI_INITIALIZE_FLAG_USES_COLOR | NUI_INITIALIZE_FLAG_USES_DEPTH);

if (FAILED(result)) {

cout << "Error : Initialise COLOR" << endl;

return;

}

// Color

this->color_event = INVALID_HANDLE_VALUE;

this->color_handle = INVALID_HANDLE_VALUE;

color_event = CreateEventW(nullptr, true, false, nullptr);

result = sensor->NuiImageStreamOpen(NUI_IMAGE_TYPE_COLOR, NUI_IMAGE_RESOLUTION_640x480, 0, 2, color_event, &color_handle);

if (FAILED(result)) {

cout << "Error : Color Stream Open" << endl;

return;

}

// Depth

this->depth_event = INVALID_HANDLE_VALUE;

this->depth_handle = INVALID_HANDLE_VALUE;

depth_event = CreateEventW(nullptr, true, false, nullptr);

result = sensor->NuiImageStreamOpen(NUI_IMAGE_TYPE_DEPTH, NUI_IMAGE_RESOLUTION_640x480, 0, 2, depth_event, &depth_handle);

if (FAILED(result)) {

cout << "Error : Depth Stream Open" << endl;

return;

}

// Size

unsigned long refWidth = 0;

unsigned long refHeight = 0;

NuiImageResolutionToSize(NUI_IMAGE_RESOLUTION_640x480, refWidth, refHeight);

this->width = static_cast<int>(refWidth);

this->height = static_cast<int>(refHeight);

// Mapp

this->cordinate_mapper = nullptr;

result = sensor->NuiGetCoordinateMapper(&this->cordinate_mapper);

if (FAILED(result)) {

cout << "Error : Cordinate Mapper " << endl;

return;

}

// OpenCV

this->frame_img.allocate(this->width, this->height, OF_IMAGE_COLOR);

this->frame = cv::Mat(this->frame_img.getHeight(), this->frame_img.getWidth(), CV_MAKETYPE(CV_8UC3, this->frame_img.getPixels().getNumChannels()), this->frame_img.getPixels().getData(), 0);

this->depth = cv::Mat(height, width, CV_16UC1);

this->events[0] = this->color_event;

this->events[1] = this->depth_event;

}

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

void ofApp::update() {

HRESULT result = S_OK;

// Color Table

cv::Vec3b color[7];

color[0] = cv::Vec3b(0, 0, 0);

color[1] = cv::Vec3b(255, 0, 0);

color[2] = cv::Vec3b(0, 255, 0);

color[3] = cv::Vec3b(0, 0, 255);

color[4] = cv::Vec3b(255, 255, 0);

color[5] = cv::Vec3b(255, 0, 255);

color[6] = cv::Vec3b(0, 255, 255);

std::vector<NUI_COLOR_IMAGE_POINT> color_point(width * height);

// Wait frame update.

ResetEvent(this->color_event);

ResetEvent(this->depth_event);

WaitForMultipleObjects(ARRAYSIZE(this->events), this->events, true, INFINITE);

// Get frame from color camera.

NUI_IMAGE_FRAME colorImageFrame = { 0 };

result = sensor->NuiImageStreamGetNextFrame(this->color_handle, 0, &colorImageFrame);

if (FAILED(result)) {

std::cerr << "Error : NuiImageStreamGetNextFrame( COLOR )" << std::endl;

return;

}

// Get image data.

INuiFrameTexture* pColorFrameTexture = colorImageFrame.pFrameTexture;

NUI_LOCKED_RECT colorLockedRect;

pColorFrameTexture->LockRect(0, &colorLockedRect, nullptr, 0);

//// Get frame from depth camera.

NUI_IMAGE_FRAME depthImageFrame = { 0 };

result = this->sensor->NuiImageStreamGetNextFrame(this->depth_handle, 0, &depthImageFrame);

if (FAILED(result)) {

std::cerr << "Error : NuiImageStreamGetNextFrame( DEPTH )" << std::endl;

return;

}

// Get depth data.

BOOL nearMode = false;

INuiFrameTexture* pDepthFrameTexture = nullptr;

this->sensor->NuiImageFrameGetDepthImagePixelFrameTexture(this->depth_handle, &depthImageFrame, &nearMode, &pDepthFrameTexture);

NUI_LOCKED_RECT depthLockedRect;

pDepthFrameTexture->LockRect(0, &depthLockedRect, nullptr, 0);

// OpenCV(image)

cv::Mat src = cv::Mat(this->height, this->width, CV_8UC4, reinterpret_cast<unsigned char*>(colorLockedRect.pBits));

cv::cvtColor(src, this->frame, CV_BGRA2RGB);

cv::imshow("frame", this->frame);

// OpenCV(depth)

cv::Mat bufferMat = cv::Mat::zeros(height, width, CV_16UC1);

NUI_DEPTH_IMAGE_PIXEL* depth_pixel = reinterpret_cast<NUI_DEPTH_IMAGE_PIXEL*>(depthLockedRect.pBits);

this->cordinate_mapper->MapDepthFrameToColorFrame(NUI_IMAGE_RESOLUTION_640x480, width * height, depth_pixel, NUI_IMAGE_TYPE_COLOR, NUI_IMAGE_RESOLUTION_640x480, width * height, &color_point[0]);

for (int y = 0; y < height; y++) {

for (int x = 0; x < width; x++) {

unsigned int index = y * width + x;

bufferMat.at<unsigned short>(color_point[index].y, color_point[index].x) = depth_pixel[index].depth;

}

bufferMat.copyTo(this->depth);

//cv::imshow("depth", this->depth);

// Release

pColorFrameTexture->UnlockRect(0);

pDepthFrameTexture->UnlockRect(0);

this->sensor->NuiImageStreamReleaseFrame(this->color_handle, &colorImageFrame);

this->sensor->NuiImageStreamReleaseFrame(this->depth_handle, &depthImageFrame);

this->light.setPosition(ofVec3f(0, 0, 4096));

ofEnableLighting();

this->light.enable();

}

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

void ofApp::draw() {

this->cam.begin();

ofTranslate(-ofGetWidth() / 2, -ofGetHeight() / 2, -512);

ofRotateX(180);

for (int y = 0; y < this->depth.rows; y += 5) {

for (int x = 0; x < this->depth.cols; x += 5) {

int z = depth.at<unsigned short>(y, x);

if (z != 0 && z < 1024 + 512) {

ofPushMatrix();

ofTranslate(x, y, z);

float noise_x = ofNoise(x * 0.005, ofGetFrameNum() * 0.05);

float noise_y = ofNoise(y * 0.005, ofGetFrameNum() * 0.05);

float noise_z = ofNoise(z * 0.005, ofGetFrameNum() * 0.05);

float gap = 100;

ofPoint noise_point = ofPoint(ofMap(noise_x, 0, 1, -gap, gap), ofMap(noise_y, 0, 1, -gap, gap), ofMap(noise_z, 0, 1, 0, -gap * 2));

if (noise_point.length() < gap) {

ofSetColor(ofMap(noise_x, 0, 1, 0, 255), ofMap(noise_y, 0, 1, 0, 255), ofMap(noise_z, 0, 1, 0, 255));

ofDrawLine(ofPoint(), noise_point);

ofDrawBox(noise_point, 8);

}

else {

ofSetColor(239);

ofDrawBox(ofPoint(), 8);

}

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180422

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2018年4月22日2018年4月21日

トリコロールらせん openFrameworks

[ Video ]

[ About ]
赤と青と白(背景色)でトリコロールカラー！

[ 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) {};

	ofEasyCam cam;
	ofPoint make_point(float radius, float small_radius, float deg, float small_deg);
};

#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;

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

};

#include "ofApp.h"

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

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

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

}

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

	this->cam.begin();
	ofRotateX(180);

	float radius = 350;
	float small_radius = 50;
	ofPoint start, end;

	ofSetColor(239, 39, 39);
	for (int deg = 0; deg <= 360; deg += 1) {

		start = make_point(radius, small_radius, deg, deg * 8 + ofGetFrameNum());
		end = make_point(radius, small_radius, deg + 10, deg * 8 + ofGetFrameNum());

		ofDrawLine(start, end);
		ofDrawSphere(start, 2);
		ofDrawSphere(end, 2);
	}

	ofSetColor(39, 39, 239);
	for (int deg = 0; deg <= 360; deg += 1) {
	
		start = make_point(radius, small_radius, deg, deg * 8 + ofGetFrameNum() + 180);
		end = make_point(radius, small_radius, deg + 10, deg * 8 + ofGetFrameNum() + 180);

		ofDrawLine(start, end);
		ofDrawSphere(start, 2);
		ofDrawSphere(end, 2);
	}

	this->cam.end();
}

//--------------------------------------------------------------
ofPoint ofApp::make_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(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

float radius = 350;

float small_radius = 50;

ofPoint start, end;

ofSetColor(239, 39, 39);

for (int deg = 0; deg <= 360; deg += 1) {

start = make_point(radius, small_radius, deg, deg * 8 + ofGetFrameNum());

end = make_point(radius, small_radius, deg + 10, deg * 8 + ofGetFrameNum());

ofDrawLine(start, end);

ofDrawSphere(start, 2);

ofDrawSphere(end, 2);

}

ofSetColor(39, 39, 239);

for (int deg = 0; deg <= 360; deg += 1) {

start = make_point(radius, small_radius, deg, deg * 8 + ofGetFrameNum() + 180);

end = make_point(radius, small_radius, deg + 10, deg * 8 + ofGetFrameNum() + 180);

ofDrawLine(start, end);

ofDrawSphere(start, 2);

ofDrawSphere(end, 2);

}

this->cam.end();

}

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

ofPoint ofApp::make_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(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180421

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2018年4月21日2018年4月20日

座標で色を変えた円 openFrameworks

[ Video ]

[ About ]
Twitterでカッコ良い投稿を発見したので、真似してみました。結果、だいぶ違う雰囲気にはなってしまいましたが、「どうなってるんだろう」って考えながら自分で組むのも面白いですね。

an exploration of determining color using location based probability #generative #processing pic.twitter.com/I9Bw2GyLlg

— an assortment of colored pixels (@SirWalterLumen) 2018年4月19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(239);
	ofSetWindowTitle("Insta");
}

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

	ofSeedRandom(39);
}

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

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

	int radius_width = 6;
	int radius_param_span = 3;
	for (int radius_param = 500; radius_param < 3200; radius_param += radius_param_span) {

		float radius = radius_param * 0.1f;

		int deg_span = 1;
		int start_deg = ofRandom(360);
		start_deg += ofMap(ofNoise(ofRandom(360) * 0.005 + ofGetFrameNum() * 0.01), 0, 1, -30, 30);
		int end_deg = start_deg + ofRandom(30, 60);

		ofPoint point = ofPoint(radius * cos(((start_deg + end_deg) / 2) * DEG_TO_RAD), radius * sin(((start_deg + end_deg) / 2) * DEG_TO_RAD));
		if (point.y < -160) {

			ofSetColor(48, 169, 222, 139);
		}
		else if (point.y < 0) {

			ofSetColor(239, 220, 5, 139);
		}
		else if (point.y < 160) {

			ofSetColor(229, 58, 64, 139);
		}
		else {

			ofSetColor(9, 7, 7, 139);
		}

		vector<ofPoint> vertices;
		for (int deg = start_deg; deg <= end_deg; deg += deg_span) {

			vertices.push_back(ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
		}
		for (int deg = end_deg; deg >= start_deg; deg -= deg_span) {

			vertices.push_back(ofPoint((radius + radius_width) * cos(deg * DEG_TO_RAD), (radius + radius_width) * sin(deg * DEG_TO_RAD)));
		}

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

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

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

int radius_width = 6;

int radius_param_span = 3;

for (int radius_param = 500; radius_param < 3200; radius_param += radius_param_span) {

float radius = radius_param * 0.1f;

int deg_span = 1;

int start_deg = ofRandom(360);

start_deg += ofMap(ofNoise(ofRandom(360) * 0.005 + ofGetFrameNum() * 0.01), 0, 1, -30, 30);

int end_deg = start_deg + ofRandom(30, 60);

ofPoint point = ofPoint(radius * cos(((start_deg + end_deg) / 2) * DEG_TO_RAD), radius * sin(((start_deg + end_deg) / 2) * DEG_TO_RAD));

if (point.y < -160) {

ofSetColor(48, 169, 222, 139);

}

else if (point.y < 0) {

ofSetColor(239, 220, 5, 139);

}

else if (point.y < 160) {

ofSetColor(229, 58, 64, 139);

}

else {

ofSetColor(9, 7, 7, 139);

}

vector<ofPoint> vertices;

for (int deg = start_deg; deg <= end_deg; deg += deg_span) {

vertices.push_back(ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

}

for (int deg = end_deg; deg >= start_deg; deg -= deg_span) {

vertices.push_back(ofPoint((radius + radius_width) * cos(deg * DEG_TO_RAD), (radius + radius_width) * sin(deg * DEG_TO_RAD)));

}

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180420

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