プログラミング de 落描き – ページ 753 – 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9月22日2018年9月22日

Ascii man v2. openFrameworks

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[ About ]
Kinectから取得した画像と深度を使って特定の深さの箇所だけフォントでマスク

Send images and depth acquired from Kinect, replacement pictures to the shaders, switch pictures depicted in units of pixels

[ 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
	ofImage frame_img;
	ofImage depth_img;
	ofFbo fbo;
	ofShader shader;
	ofTrueTypeFont font;
};

#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

ofImage frame_img;

ofImage depth_img;

ofFbo fbo;

ofShader shader;

ofTrueTypeFont font;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("InstaKinect");

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

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

	string moji = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 13);

	this->fbo.allocate(ofGetWidth(), ofGetHeight());
	this->fbo.begin();
	ofClear(0);

	ofBackground(255);
	ofSetColor(0);

	for (int x = 0; x < ofGetWidth(); x += 10) {

		for (int y = 0; y < ofGetHeight(); y += 10) {

			this->font.drawString(moji.substr((int)ofRandom(26), 1), x, y);
		}
	}

	this->fbo.end();
	this->shader.load("", "shader/shader.frag");
}

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

	HRESULT result = S_OK;

	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);

	// OpenCV(depth)
	cv::Mat bufferMat = cv::Mat::zeros(height, width, CV_8UC3);
	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<cv::Vec3b>(color_point[index].y, color_point[index].x)[0] = depth_pixel[index].depth / 255;
			bufferMat.at<cv::Vec3b>(color_point[index].y, color_point[index].x)[1] = depth_pixel[index].depth - (int)(depth_pixel[index].depth / 255) * 255;
		}
	}
	bufferMat.copyTo(this->depth);
	
	// Release
	pColorFrameTexture->UnlockRect(0);
	pDepthFrameTexture->UnlockRect(0);
	this->sensor->NuiImageStreamReleaseFrame(this->color_handle, &colorImageFrame);
	this->sensor->NuiImageStreamReleaseFrame(this->depth_handle, &depthImageFrame);

	// ofImage Update
	this->frame_img.update();
	this->depth_img.update();
}

//--------------------------------------------------------------
void ofApp::draw() {
	
	ofSetColor(255);

	this->shader.begin();
	this->shader.setUniform1f("time", ofGetElapsedTimef());
	this->shader.setUniform2f("resolution", ofGetWidth(), ofGetHeight());
	this->shader.setUniformTexture("tex1", this->frame_img, 1);
	this->shader.setUniformTexture("tex2", this->fbo.getTexture(), 2);
	this->shader.setUniformTexture("depth", this->depth_img, 3);

	ofRect(0, 0, ofGetWidth(), ofGetHeight());

	this->shader.end();
}

//========================================================================
int main() {
	ofSetupOpenGL(640, 480, OF_WINDOW);
	ofRunApp(new ofApp());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("InstaKinect");

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

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

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

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

string moji = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 13);

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

this->fbo.begin();

ofClear(0);

ofBackground(255);

ofSetColor(0);

for (int x = 0; x < ofGetWidth(); x += 10) {

for (int y = 0; y < ofGetHeight(); y += 10) {

this->font.drawString(moji.substr((int)ofRandom(26), 1), x, y);

}

this->fbo.end();

this->shader.load("", "shader/shader.frag");

}

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

void ofApp::update() {

HRESULT result = S_OK;

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);

// OpenCV(depth)

cv::Mat bufferMat = cv::Mat::zeros(height, width, CV_8UC3);

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<cv::Vec3b>(color_point[index].y, color_point[index].x)[0] = depth_pixel[index].depth / 255;

bufferMat.at<cv::Vec3b>(color_point[index].y, color_point[index].x)[1] = depth_pixel[index].depth - (int)(depth_pixel[index].depth / 255) * 255;

}

bufferMat.copyTo(this->depth);

// Release

pColorFrameTexture->UnlockRect(0);

pDepthFrameTexture->UnlockRect(0);

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

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

// ofImage Update

this->frame_img.update();

this->depth_img.update();

}

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

void ofApp::draw() {

ofSetColor(255);

this->shader.begin();

this->shader.setUniform1f("time", ofGetElapsedTimef());

this->shader.setUniform2f("resolution", ofGetWidth(), ofGetHeight());

this->shader.setUniformTexture("tex1", this->frame_img, 1);

this->shader.setUniformTexture("tex2", this->fbo.getTexture(), 2);

this->shader.setUniformTexture("depth", this->depth_img, 3);

ofRect(0, 0, ofGetWidth(), ofGetHeight());

this->shader.end();

}

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

int main() {

ofSetupOpenGL(640, 480, OF_WINDOW);

ofRunApp(new ofApp());

}

#version 150

uniform mat4 modelViewProjectionMatrix;
in vec4 position;

void main(){
	gl_Position = modelViewProjectionMatrix * position;
}

#version 150

uniform mat4 modelViewProjectionMatrix;

in vec4 position;

void main(){

gl_Position = modelViewProjectionMatrix * position;

}

#version 150

uniform float time;
uniform vec2 resolution;
uniform sampler2DRect tex1;
uniform sampler2DRect tex2;
uniform sampler2DRect depth;

out vec4 outputColor;

void main() {

  vec2 p = (gl_FragCoord.xy * 2.0 - resolution) / min(resolution.x, resolution.y);

  vec4 t1 = texture(tex1, vec2(gl_FragCoord.x, resolution.y - gl_FragCoord.y));
  vec4 t2 = texture(tex2, vec2(gl_FragCoord.x, resolution.y - gl_FragCoord.y));

  float r = texture(depth, vec2(gl_FragCoord.x, resolution.y - gl_FragCoord.y)).r;
  float g = texture(depth, vec2(gl_FragCoord.x, resolution.y - gl_FragCoord.y)).g;
  float d = r * 255.0 + g;
  d /= 65,536;

  vec4 color = d < 0.1 ? t2 + t1 : vec4(1.0);
  gl_FragColor = color;
}

#version 150

uniform float time;

uniform vec2 resolution;

uniform sampler2DRect tex1;

uniform sampler2DRect tex2;

uniform sampler2DRect depth;

out vec4 outputColor;

void main() {

vec2 p = (gl_FragCoord.xy * 2.0 - resolution) / min(resolution.x, resolution.y);

vec4 t1 = texture(tex1, vec2(gl_FragCoord.x, resolution.y - gl_FragCoord.y));

vec4 t2 = texture(tex2, vec2(gl_FragCoord.x, resolution.y - gl_FragCoord.y));

float r = texture(depth, vec2(gl_FragCoord.x, resolution.y - gl_FragCoord.y)).r;

float g = texture(depth, vec2(gl_FragCoord.x, resolution.y - gl_FragCoord.y)).g;

float d = r * 255.0 + g;

d /= 65,536;

vec4 color = d < 0.1 ? t2 + t1 : vec4(1.0);

gl_FragColor = color;

}

[ Link ]
https://github.com/junkiyoshi/Insta20180922

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2018年9月21日2018年9月20日

Line connection the point on circle. openframeworks

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[ About ]
円周上の点を結ぶ線たち

Line connection the point on 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) {};

	int number_of_targets;

	vector<glm::vec2> targets1;
	vector<glm::vec2> targets2;
	vector<glm::vec3> colors;

	ofShader shader;
};

#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) {};

int number_of_targets;

vector<glm::vec2> targets1;

vector<glm::vec2> targets2;

vector<glm::vec3> colors;

ofShader shader;

};

#include "ofApp.h"

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

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

	this->number_of_targets = 80;
	for (int i = 0; i < this->number_of_targets; i++) {

		this->targets1.push_back(glm::vec2(ofRandom(ofGetWidth()), ofRandom(ofGetHeight())));
		this->targets2.push_back(glm::vec2(ofRandom(ofGetWidth()), ofRandom(ofGetHeight())));

		glm::vec3  color = glm::vec3(1.0, 1.0, 1.0);
		int color_type = i % 6;
		switch (color_type) {
		case 0:
			color = glm::vec4(1.0, 0.0, 0.0, 0.0);
			break;
		case 1:
			color = glm::vec4(0.0, 1.0, 0.0, 0.0);
			break;
		case 2:
			color = glm::vec4(0.0, 0.0, 1.0, 0.0);
			break;
		case 3:
			color = glm::vec4(1.0, 1.0, 0.0, 0.0);
			break;
		case 4:
			color = glm::vec4(0.0, 1.0, 1.0, 0.0);
			break;
		case 5:
			color = glm::vec4(1.0, 0.0, 1.0, 0.0);
			break;
		}
		this->colors.push_back(color);
	}

	this->shader.load("shader/shader.vert", "shader/shader.frag");
}

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

	ofSeedRandom(39);

	float radius = 300;
	for (int i = 0; i < this->number_of_targets; i++) {

		int deg1 = ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.001), 0, 1, -360, 360);
		this->targets1[i] = glm::vec2(radius * cos(deg1 * DEG_TO_RAD) + ofGetWidth() * 0.5 , radius * sin(deg1 * DEG_TO_RAD) + ofGetHeight() * 0.5);

		int deg2 = ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.001), 0, 1, -360, 360);
		this->targets2[i] = glm::vec2(radius * cos(deg2 * DEG_TO_RAD) + ofGetWidth() * 0.5, radius * sin(deg2 * DEG_TO_RAD) + ofGetHeight() * 0.5);
	}
}

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

	this->shader.begin();
	this->shader.setUniform1f("time", ofGetElapsedTimef());
	this->shader.setUniform2f("resolution", ofGetWidth(), ofGetHeight());
	this->shader.setUniform2fv("targets1", &this->targets1[0].x, this->number_of_targets);
	this->shader.setUniform2fv("targets2", &this->targets2[0].x, this->number_of_targets);
	this->shader.setUniform3fv("colors", &this->colors[0].x, this->number_of_targets);

	ofDrawRectangle(0, 0, ofGetWidth(), ofGetHeight());

	this->shader.end();
}

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

	ofGLWindowSettings settings;
	settings.setGLVersion(3, 2);
	settings.setSize(720, 720);
	ofCreateWindow(settings);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

this->number_of_targets = 80;

for (int i = 0; i < this->number_of_targets; i++) {

this->targets1.push_back(glm::vec2(ofRandom(ofGetWidth()), ofRandom(ofGetHeight())));

this->targets2.push_back(glm::vec2(ofRandom(ofGetWidth()), ofRandom(ofGetHeight())));

glm::vec3 color = glm::vec3(1.0, 1.0, 1.0);

int color_type = i % 6;

switch (color_type) {

case 0:

color = glm::vec4(1.0, 0.0, 0.0, 0.0);

break;

case 1:

color = glm::vec4(0.0, 1.0, 0.0, 0.0);

break;

case 2:

color = glm::vec4(0.0, 0.0, 1.0, 0.0);

break;

case 3:

color = glm::vec4(1.0, 1.0, 0.0, 0.0);

break;

case 4:

color = glm::vec4(0.0, 1.0, 1.0, 0.0);

break;

case 5:

color = glm::vec4(1.0, 0.0, 1.0, 0.0);

break;

}

this->colors.push_back(color);

}

this->shader.load("shader/shader.vert", "shader/shader.frag");

}

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

void ofApp::update() {

ofSeedRandom(39);

float radius = 300;

for (int i = 0; i < this->number_of_targets; i++) {

int deg1 = ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.001), 0, 1, -360, 360);

this->targets1[i] = glm::vec2(radius * cos(deg1 * DEG_TO_RAD) + ofGetWidth() * 0.5 , radius * sin(deg1 * DEG_TO_RAD) + ofGetHeight() * 0.5);

int deg2 = ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.001), 0, 1, -360, 360);

this->targets2[i] = glm::vec2(radius * cos(deg2 * DEG_TO_RAD) + ofGetWidth() * 0.5, radius * sin(deg2 * DEG_TO_RAD) + ofGetHeight() * 0.5);

}

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

void ofApp::draw() {

this->shader.begin();

this->shader.setUniform1f("time", ofGetElapsedTimef());

this->shader.setUniform2f("resolution", ofGetWidth(), ofGetHeight());

this->shader.setUniform2fv("targets1", &this->targets1[0].x, this->number_of_targets);

this->shader.setUniform2fv("targets2", &this->targets2[0].x, this->number_of_targets);

this->shader.setUniform3fv("colors", &this->colors[0].x, this->number_of_targets);

ofDrawRectangle(0, 0, ofGetWidth(), ofGetHeight());

this->shader.end();

}

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

int main() {

ofGLWindowSettings settings;

settings.setGLVersion(3, 2);

settings.setSize(720, 720);

ofCreateWindow(settings);

ofRunApp(new ofApp());

}

#version 150

uniform mat4 modelViewProjectionMatrix;
in vec4 position;

void main(){
	gl_Position = modelViewProjectionMatrix * position;
}

#version 150

uniform mat4 modelViewProjectionMatrix;

in vec4 position;

void main(){

gl_Position = modelViewProjectionMatrix * position;

}

#version 150

const int number_of_targets = 80;

uniform float time;
uniform vec2 resolution;
uniform vec2 targets1[number_of_targets];
uniform vec2 targets2[number_of_targets];
uniform vec3 colors[number_of_targets];

out vec4 outputColor;

/// Reference
/// https://trap.jp/post/142/
float crs(vec2 v1, vec2 v2) {
    return v1.x*v2.y - v1.y*v2.x;
}

// 2点v1, v2を端点に持つ線分との距離を返す
float line(vec2 p, vec2 v1, vec2 v2) {
    p  -= v1;
    vec2 v = v2-v1;
    float t = dot(p, normalize(v));
    if (t<0.0) {
        return length(p);
    } else if (t>length(v)) {
        return length(p-v);
    } else {
        return abs(crs(p, normalize(v)));
    }
}

void main() {

  vec2 p = (gl_FragCoord.xy * 2.0 - resolution) / min(resolution.x, resolution.y);
  vec3 color = vec3(0.0);
  for(int i = 0; i < number_of_targets; i++){

    vec2 t1 = vec2(targets1[i].x, -targets1[i].y) / min(resolution.x, resolution.y) * 2.0;
    vec2 t2 = vec2(targets2[i].x, -targets2[i].y) / min(resolution.x, resolution.y) * 2.0;
    t1.xy += vec2(-resolution.x, resolution.y) / min(resolution.x, resolution.y);
    t2.xy += vec2(-resolution.x, resolution.y) / min(resolution.x, resolution.y);

    float v = 0.01 / line(p, t1, t2);
    float r = v * colors[i].x;
    float g = v * colors[i].y;
    float b = v * colors[i].z;
    vec3 c = vec3(smoothstep(0.01, 1.0, r), smoothstep(0.01, 1.0, g), smoothstep(0.01, 1.0, b));
    color += c;
  }

  outputColor = vec4(color, 1.0);
}

#version 150

const int number_of_targets = 80;

uniform float time;

uniform vec2 resolution;

uniform vec2 targets1[number_of_targets];

uniform vec2 targets2[number_of_targets];

uniform vec3 colors[number_of_targets];

out vec4 outputColor;

/// Reference

/// https://trap.jp/post/142/

float crs(vec2 v1, vec2 v2) {

return v1.x*v2.y - v1.y*v2.x;

}

// 2点v1, v2を端点に持つ線分との距離を返す

float line(vec2 p, vec2 v1, vec2 v2) {

p -= v1;

vec2 v = v2-v1;

float t = dot(p, normalize(v));

if (t<0.0) {

return length(p);

} else if (t>length(v)) {

return length(p-v);

} else {

return abs(crs(p, normalize(v)));

}

void main() {

vec2 p = (gl_FragCoord.xy * 2.0 - resolution) / min(resolution.x, resolution.y);

vec3 color = vec3(0.0);

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

vec2 t1 = vec2(targets1[i].x, -targets1[i].y) / min(resolution.x, resolution.y) * 2.0;

vec2 t2 = vec2(targets2[i].x, -targets2[i].y) / min(resolution.x, resolution.y) * 2.0;

t1.xy += vec2(-resolution.x, resolution.y) / min(resolution.x, resolution.y);

t2.xy += vec2(-resolution.x, resolution.y) / min(resolution.x, resolution.y);

float v = 0.01 / line(p, t1, t2);

float r = v * colors[i].x;

float g = v * colors[i].y;

float b = v * colors[i].z;

vec3 c = vec3(smoothstep(0.01, 1.0, r), smoothstep(0.01, 1.0, g), smoothstep(0.01, 1.0, b));

color += c;

}

outputColor = vec4(color, 1.0);

}

[ Link ]
https://github.com/junkiyoshi/Insta20180921

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2018年9月20日2018年9月20日

Noise curves 3D Edition. openframeworks

[ Video ]

[ About ]
3Dで並べて見比べるNoiseによる曲線

Compare noisy curves ( 3D Edition ).

[ 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;
	int number_of_target = 48;
	vector<ofPoint> noise_seeds;
	vector<deque<ofPoint>> logs;
};

#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;

int number_of_target = 48;

vector<ofPoint> noise_seeds;

vector<deque<ofPoint>> logs;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(3);

	ofSetDepthTest(true);

	for (int i = 0; i < this->number_of_target; i++) {

		ofPoint noise_seed = ofPoint(ofRandom(10), ofRandom(10), ofRandom(10));
		this->noise_seeds.push_back(noise_seed);

		deque<ofPoint> log;
		this->logs.push_back(log);
	}
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);

	for (int i = 0; i < this->number_of_target; i++) {

		ofPoint point(ofMap(ofNoise(this->noise_seeds[i].x), 0, 1, -100, 100), ofMap(ofNoise(this->noise_seeds[i].y), 0, 1, -100, 100), ofMap(ofNoise(this->noise_seeds[i].z), 0, 1, -100, 100));
		this->logs[i].push_front(point);
		while (this->logs[i].size() > 30) { this->logs[i].pop_back(); }

		this->noise_seeds[i].x += ofNoise(ofRandom(10), ofGetFrameNum() * 0.005) * 0.05;
		this->noise_seeds[i].y += ofNoise(ofRandom(10), ofGetFrameNum() * 0.005) * 0.05;
		this->noise_seeds[i].z += ofNoise(ofRandom(10), ofGetFrameNum() * 0.005) * 0.05;
	}
}

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

	this->cam.begin();

	for (int i = 0; i < this->number_of_target; i++) {


		ofPushMatrix();
		int layer = i / 16;
		int x = (i - layer * 16) % 4 * 200 - ofGetWidth() * 0.5 + 50;
		int y = (i - layer * 16) / 4 * 200 - ofGetHeight() * 0.5 + 50;
		int z = layer * 300 - 300;
		ofTranslate(x, y, z);

		ofNoFill();
		ofBeginShape();
		for (int l = 0; l < this->logs[i].size(); l++) {

			ofVertex(this->logs[i][l]);
		}
		ofEndShape();

		ofFill();
		ofDrawSphere(this->logs[i][0], 5);

		ofPopMatrix();
	}

	this->cam.end();
}

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

	ofGLWindowSettings settings;
	settings.setGLVersion(3, 2);
	settings.setSize(720, 720);
	ofCreateWindow(settings);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(3);

ofSetDepthTest(true);

for (int i = 0; i < this->number_of_target; i++) {

ofPoint noise_seed = ofPoint(ofRandom(10), ofRandom(10), ofRandom(10));

this->noise_seeds.push_back(noise_seed);

deque<ofPoint> log;

this->logs.push_back(log);

}

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

void ofApp::update() {

ofSeedRandom(39);

for (int i = 0; i < this->number_of_target; i++) {

ofPoint point(ofMap(ofNoise(this->noise_seeds[i].x), 0, 1, -100, 100), ofMap(ofNoise(this->noise_seeds[i].y), 0, 1, -100, 100), ofMap(ofNoise(this->noise_seeds[i].z), 0, 1, -100, 100));

this->logs[i].push_front(point);

while (this->logs[i].size() > 30) { this->logs[i].pop_back(); }

this->noise_seeds[i].x += ofNoise(ofRandom(10), ofGetFrameNum() * 0.005) * 0.05;

this->noise_seeds[i].y += ofNoise(ofRandom(10), ofGetFrameNum() * 0.005) * 0.05;

this->noise_seeds[i].z += ofNoise(ofRandom(10), ofGetFrameNum() * 0.005) * 0.05;

}

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

void ofApp::draw() {

this->cam.begin();

for (int i = 0; i < this->number_of_target; i++) {

ofPushMatrix();

int layer = i / 16;

int x = (i - layer * 16) % 4 * 200 - ofGetWidth() * 0.5 + 50;

int y = (i - layer * 16) / 4 * 200 - ofGetHeight() * 0.5 + 50;

int z = layer * 300 - 300;

ofTranslate(x, y, z);

ofNoFill();

ofBeginShape();

for (int l = 0; l < this->logs[i].size(); l++) {

ofVertex(this->logs[i][l]);

}

ofEndShape();

ofFill();

ofDrawSphere(this->logs[i][0], 5);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofGLWindowSettings settings;

settings.setGLVersion(3, 2);

settings.setSize(720, 720);

ofCreateWindow(settings);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180920

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