2018年11月 – ページ 9 – プログラミング de 落描き

2018年11月6日2018年11月6日

Web. openFrameworks

[ Video ]

[ About ]
Day 6 Web.

[ Source ]

#pragma once
#include "ofMain.h"
#include "Web.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) {};

	vector<Web> webs;
};

#pragma once

#include "ofMain.h"

#include "Web.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) {};

vector<Web> webs;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofNoFill();

	for (int i = 0; i < 8; i++) { this->webs.push_back(Web()); }
}
//--------------------------------------------------------------
void ofApp::update() {

	for (Web& web : this->webs) { web.update(); }
}

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

	for (Web& web : this->webs) { web.draw(); }
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofNoFill();

for (int i = 0; i < 8; i++) { this->webs.push_back(Web()); }

}

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

void ofApp::update() {

for (Web& web : this->webs) { web.update(); }

}

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

void ofApp::draw() {

for (Web& web : this->webs) { web.draw(); }

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

#pragma once
#include "ofMain.h"

class Web {

public:

	Web();
	~Web();
	void update();
	void draw();

private:

	ofPoint location;
	int radius_max;
	int radius_start;
	float progress;
	int life;
	vector<float> line_param;
};

#pragma once

#include "ofMain.h"

class Web {

public:

Web();

~Web();

void update();

void draw();

private:

ofPoint location;

int radius_max;

int radius_start;

float progress;

int life;

vector<float> line_param;

};

#include "Web.h"

//--------------------------------------------------------------
Web::Web() {

	this->location = ofPoint(ofRandom(ofGetWidth()), ofRandom(ofGetHeight()));
	this->radius_start = 10;
	this->radius_max = floor(ofRandom(5, 10)) * 10;
	this->progress = ofRandom(1);
	this->life = 60;

	for (int deg = 0; deg < 360; deg += 30) {

		this->line_param.push_back(ofRandom(1, 2));
	}
}

//--------------------------------------------------------------
Web::~Web() {

}

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

	if (this->progress > 1) {

		if (this->life-- < 0) {

			this->location = ofPoint(ofRandom(ofGetWidth()), ofRandom(ofGetHeight()));
			this->radius_start = 10;
			this->radius_max = floor(ofRandom(5, 10)) * 10;
			this->progress = 0;
			this->life = 60;
		}
	}
	else {

		this->progress += 0.01;
	}
}

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

	ofPushMatrix();
	ofTranslate(this->location);

	ofSetColor(239, ofMap(this->life, 60, 0, 255, 0));

	int radius;
	for (radius = this->radius_start; radius < this->radius_max * this->progress; radius += 10) {

		ofBeginShape();
		for (int deg = 0; deg < 360; deg += 30) {

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

	int i = 0;
	for (int deg = 0; deg < 360; deg += 30) {

		ofDrawLine(ofPoint(), ofPoint(this->radius_max * this->line_param[i] * cos(deg * DEG_TO_RAD), this->radius_max * this->line_param[i] * sin(deg * DEG_TO_RAD)));
		i++;
	}

	ofPopMatrix();
}

#include "Web.h"

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

Web::Web() {

this->location = ofPoint(ofRandom(ofGetWidth()), ofRandom(ofGetHeight()));

this->radius_start = 10;

this->radius_max = floor(ofRandom(5, 10)) * 10;

this->progress = ofRandom(1);

this->life = 60;

for (int deg = 0; deg < 360; deg += 30) {

this->line_param.push_back(ofRandom(1, 2));

}

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

Web::~Web() {

}

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

void Web::update() {

if (this->progress > 1) {

if (this->life-- < 0) {

this->location = ofPoint(ofRandom(ofGetWidth()), ofRandom(ofGetHeight()));

this->radius_start = 10;

this->radius_max = floor(ofRandom(5, 10)) * 10;

this->progress = 0;

this->life = 60;

}

else {

this->progress += 0.01;

}

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

void Web::draw() {

ofPushMatrix();

ofTranslate(this->location);

ofSetColor(239, ofMap(this->life, 60, 0, 255, 0));

int radius;

for (radius = this->radius_start; radius < this->radius_max * this->progress; radius += 10) {

ofBeginShape();

for (int deg = 0; deg < 360; deg += 30) {

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

}

ofEndShape(true);

}

int i = 0;

for (int deg = 0; deg < 360; deg += 30) {

ofDrawLine(ofPoint(), ofPoint(this->radius_max * this->line_param[i] * cos(deg * DEG_TO_RAD), this->radius_max * this->line_param[i] * sin(deg * DEG_TO_RAD)));

i++;

}

ofPopMatrix();

}

[ Link ]
https://github.com/junkiyoshi/Insta20181106

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2018年11月5日2018年11月19日

Music. openFrameworks

[ Video ]

[ About ]
Day 5 Music.

[ 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) {};

	ofFbo fbo;
	ofTrueTypeFont font;

	ofSoundPlayer sound;
	vector<float> fft_smoothed;
	int n_bands_to_get;

	float r_power;
	float g_power;
	float b_power;

	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) {};

ofFbo fbo;

ofTrueTypeFont font;

ofSoundPlayer sound;

vector<float> fft_smoothed;

int n_bands_to_get;

float r_power;

float g_power;

float b_power;

ofShader shader;

};

#include "ofApp.h"

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

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

	this->font.loadFont("fonts/Kazesawa-bold.ttf", 180, true, true, true);
	this->fbo.allocate(ofGetWidth(), ofGetHeight());
	this->fbo.begin();
	ofClear(0);
	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

	ofSetColor(255);
	string word = "MUSIC";
	this->font.drawString(word, this->font.stringWidth(word) * -0.5, this->font.stringHeight(word) * 0.5);

	this->fbo.end();

	this->sound.load("sound/I_Don_t_Wanna_Wait.mp3");
	this->sound.play();

	this->n_bands_to_get = 120;
	for (int j = 0; j < this->n_bands_to_get; j++) {
		
		this->fft_smoothed.push_back(0);
	}

	this->shader.load("shader/shader.vert", "shader/shader.frag");
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSoundUpdate();
	float* val = ofSoundGetSpectrum(this->n_bands_to_get);

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

		this->fft_smoothed[i] *= 0.96f;
		if (this->fft_smoothed[i] < val[i]) {

			this->fft_smoothed[i] = val[i];
		}
	}

	this->r_power = this->fft_smoothed[10];
	this->g_power = this->fft_smoothed[10];
	this->b_power = this->fft_smoothed[10];
}

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

	this->shader.begin();
	this->shader.setUniform1f("time", ofGetElapsedTimef());
	this->shader.setUniform2f("resolution", ofGetWidth(), ofGetHeight());
	this->shader.setUniform1f("r_power", this->r_power);
	this->shader.setUniform1f("g_power", this->g_power);
	this->shader.setUniform1f("b_power", this->b_power);
	this->shader.setUniformTexture("tex", this->fbo.getTexture(), 1);

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

	this->shader.end();
}

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

	ofGLWindowSettings settings;
	settings.setGLVersion(3, 2);
	settings.setSize(1280, 720);
	ofCreateWindow(settings);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

this->font.loadFont("fonts/Kazesawa-bold.ttf", 180, true, true, true);

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

this->fbo.begin();

ofClear(0);

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

ofSetColor(255);

string word = "MUSIC";

this->font.drawString(word, this->font.stringWidth(word) * -0.5, this->font.stringHeight(word) * 0.5);

this->fbo.end();

this->sound.load("sound/I_Don_t_Wanna_Wait.mp3");

this->sound.play();

this->n_bands_to_get = 120;

for (int j = 0; j < this->n_bands_to_get; j++) {

this->fft_smoothed.push_back(0);

}

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

}

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

void ofApp::update() {

ofSoundUpdate();

float* val = ofSoundGetSpectrum(this->n_bands_to_get);

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

this->fft_smoothed[i] *= 0.96f;

if (this->fft_smoothed[i] < val[i]) {

this->fft_smoothed[i] = val[i];

}

this->r_power = this->fft_smoothed[10];

this->g_power = this->fft_smoothed[10];

this->b_power = this->fft_smoothed[10];

}

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

void ofApp::draw() {

this->shader.begin();

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

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

this->shader.setUniform1f("r_power", this->r_power);

this->shader.setUniform1f("g_power", this->g_power);

this->shader.setUniform1f("b_power", this->b_power);

this->shader.setUniformTexture("tex", this->fbo.getTexture(), 1);

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

this->shader.end();

}

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

int main() {

ofGLWindowSettings settings;

settings.setGLVersion(3, 2);

settings.setSize(1280, 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

uniform float time;
uniform vec2 resolution;
uniform float r_power;
uniform float g_power;
uniform float b_power;
uniform sampler2DRect tex;

out vec4 outputColor;

//
// Description : Array and textureless GLSL 2D/3D/4D simplex
//               noise functions.
//      Author : Ian McEwan, Ashima Arts.
//  Maintainer : stegu
//     Lastmod : 20110822 (ijm)
//     License : Copyright (C) 2011 Ashima Arts. All rights reserved.
//               Distributed under the MIT License. See LICENSE file.
//               https://github.com/ashima/webgl-noise
//               https://github.com/stegu/webgl-noise
//

vec4 mod289(vec4 x) {
  return x - floor(x * (1.0 / 289.0)) * 289.0; }

float mod289(float x) {
  return x - floor(x * (1.0 / 289.0)) * 289.0; }

vec4 permute(vec4 x) {
     return mod289(((x*34.0)+1.0)*x);
}

float permute(float x) {
     return mod289(((x*34.0)+1.0)*x);
}

vec4 taylorInvSqrt(vec4 r)
{
  return 1.79284291400159 - 0.85373472095314 * r;
}

float taylorInvSqrt(float r)
{
  return 1.79284291400159 - 0.85373472095314 * r;
}

vec4 grad4(float j, vec4 ip)
  {
  const vec4 ones = vec4(1.0, 1.0, 1.0, -1.0);
  vec4 p,s;

  p.xyz = floor( fract (vec3(j) * ip.xyz) * 7.0) * ip.z - 1.0;
  p.w = 1.5 - dot(abs(p.xyz), ones.xyz);
  s = vec4(lessThan(p, vec4(0.0)));
  p.xyz = p.xyz + (s.xyz*2.0 - 1.0) * s.www;

  return p;
  }

// (sqrt(5) - 1)/4 = F4, used once below
#define F4 0.309016994374947451

float snoise(vec4 v)
  {
  const vec4  C = vec4( 0.138196601125011,  // (5 - sqrt(5))/20  G4
                        0.276393202250021,  // 2 * G4
                        0.414589803375032,  // 3 * G4
                       -0.447213595499958); // -1 + 4 * G4

// First corner
  vec4 i  = floor(v + dot(v, vec4(F4)) );
  vec4 x0 = v -   i + dot(i, C.xxxx);

// Other corners

// Rank sorting originally contributed by Bill Licea-Kane, AMD (formerly ATI)
  vec4 i0;
  vec3 isX = step( x0.yzw, x0.xxx );
  vec3 isYZ = step( x0.zww, x0.yyz );
//  i0.x = dot( isX, vec3( 1.0 ) );
  i0.x = isX.x + isX.y + isX.z;
  i0.yzw = 1.0 - isX;
//  i0.y += dot( isYZ.xy, vec2( 1.0 ) );
  i0.y += isYZ.x + isYZ.y;
  i0.zw += 1.0 - isYZ.xy;
  i0.z += isYZ.z;
  i0.w += 1.0 - isYZ.z;

  // i0 now contains the unique values 0,1,2,3 in each channel
  vec4 i3 = clamp( i0, 0.0, 1.0 );
  vec4 i2 = clamp( i0-1.0, 0.0, 1.0 );
  vec4 i1 = clamp( i0-2.0, 0.0, 1.0 );

  //  x0 = x0 - 0.0 + 0.0 * C.xxxx
  //  x1 = x0 - i1  + 1.0 * C.xxxx
  //  x2 = x0 - i2  + 2.0 * C.xxxx
  //  x3 = x0 - i3  + 3.0 * C.xxxx
  //  x4 = x0 - 1.0 + 4.0 * C.xxxx
  vec4 x1 = x0 - i1 + C.xxxx;
  vec4 x2 = x0 - i2 + C.yyyy;
  vec4 x3 = x0 - i3 + C.zzzz;
  vec4 x4 = x0 + C.wwww;

// Permutations
  i = mod289(i);
  float j0 = permute( permute( permute( permute(i.w) + i.z) + i.y) + i.x);
  vec4 j1 = permute( permute( permute( permute (
             i.w + vec4(i1.w, i2.w, i3.w, 1.0 ))
           + i.z + vec4(i1.z, i2.z, i3.z, 1.0 ))
           + i.y + vec4(i1.y, i2.y, i3.y, 1.0 ))
           + i.x + vec4(i1.x, i2.x, i3.x, 1.0 ));

// Gradients: 7x7x6 points over a cube, mapped onto a 4-cross polytope
// 7*7*6 = 294, which is close to the ring size 17*17 = 289.
  vec4 ip = vec4(1.0/294.0, 1.0/49.0, 1.0/7.0, 0.0) ;

  vec4 p0 = grad4(j0,   ip);
  vec4 p1 = grad4(j1.x, ip);
  vec4 p2 = grad4(j1.y, ip);
  vec4 p3 = grad4(j1.z, ip);
  vec4 p4 = grad4(j1.w, ip);

// Normalise gradients
  vec4 norm = taylorInvSqrt(vec4(dot(p0,p0), dot(p1,p1), dot(p2, p2), dot(p3,p3)));
  p0 *= norm.x;
  p1 *= norm.y;
  p2 *= norm.z;
  p3 *= norm.w;
  p4 *= taylorInvSqrt(dot(p4,p4));

// Mix contributions from the five corners
  vec3 m0 = max(0.6 - vec3(dot(x0,x0), dot(x1,x1), dot(x2,x2)), 0.0);
  vec2 m1 = max(0.6 - vec2(dot(x3,x3), dot(x4,x4)            ), 0.0);
  m0 = m0 * m0;
  m1 = m1 * m1;
  return 49.0 * ( dot(m0*m0, vec3( dot( p0, x0 ), dot( p1, x1 ), dot( p2, x2 )))
               + dot(m1*m1, vec2( dot( p3, x3 ), dot( p4, x4 ) ) ) ) ;
  }

void main() {

  vec2 p = (gl_FragCoord.xy * 2.0 - resolution) / min(resolution.x, resolution.y);
  vec3 color = vec3(1.0);

  float r_x_noise = snoise(vec4( 0.0, p.x, p.y, time)) * r_power;
  float g_x_noise = snoise(vec4(10.0, p.x, p.y, time)) * g_power;
  float b_x_noise = snoise(vec4(20.0, p.x, p.y, time)) * b_power;

  float r_y_noise = snoise(vec4(30.0, p.x * 10.0, p.y * 10.0, time)) * r_power;
  float g_y_noise = snoise(vec4(40.0, p.x * 10.0, p.y * 10.0, time)) * g_power;
  float b_y_noise = snoise(vec4(50.0, p.x * 10.0, p.y * 10.0, time)) * b_power;

  float drift = 200;
  float r = texture(tex, vec2(gl_FragCoord.x + r_x_noise * drift, resolution.y - gl_FragCoord.y + r_y_noise * drift)).r;
  float g = texture(tex, vec2(gl_FragCoord.x + g_x_noise * drift, resolution.y - gl_FragCoord.y + g_y_noise * drift)).g;
  float b = texture(tex, vec2(gl_FragCoord.x + b_x_noise * drift, resolution.y - gl_FragCoord.y + b_y_noise * drift)).b;
  outputColor = vec4(color - vec3(r, g, b), 1.0);
}

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

#version 150

uniform float time;

uniform vec2 resolution;

uniform float r_power;

uniform float g_power;

uniform float b_power;

uniform sampler2DRect tex;

out vec4 outputColor;

// Description : Array and textureless GLSL 2D/3D/4D simplex

// noise functions.

// Author : Ian McEwan, Ashima Arts.

// Maintainer : stegu

// Lastmod : 20110822 (ijm)

// Distributed under the MIT License. See LICENSE file.

// https://github.com/ashima/webgl-noise

// https://github.com/stegu/webgl-noise

vec4 mod289(vec4 x) {

return x - floor(x * (1.0 / 289.0)) * 289.0; }

float mod289(float x) {

return x - floor(x * (1.0 / 289.0)) * 289.0; }

vec4 permute(vec4 x) {

return mod289(((x*34.0)+1.0)*x);

}

float permute(float x) {

return mod289(((x*34.0)+1.0)*x);

}

vec4 taylorInvSqrt(vec4 r)

{

return 1.79284291400159 - 0.85373472095314 * r;

}

float taylorInvSqrt(float r)

{

return 1.79284291400159 - 0.85373472095314 * r;

}

vec4 grad4(float j, vec4 ip)

{

const vec4 ones = vec4(1.0, 1.0, 1.0, -1.0);

vec4 p,s;

p.xyz = floor( fract (vec3(j) * ip.xyz) * 7.0) * ip.z - 1.0;

p.w = 1.5 - dot(abs(p.xyz), ones.xyz);

s = vec4(lessThan(p, vec4(0.0)));

p.xyz = p.xyz + (s.xyz*2.0 - 1.0) * s.www;

return p;

}

// (sqrt(5) - 1)/4 = F4, used once below

#define F4 0.309016994374947451

float snoise(vec4 v)

{

const vec4 C = vec4( 0.138196601125011, // (5 - sqrt(5))/20 G4

0.276393202250021, // 2 * G4

0.414589803375032, // 3 * G4

-0.447213595499958); // -1 + 4 * G4

// First corner

vec4 i = floor(v + dot(v, vec4(F4)) );

vec4 x0 = v - i + dot(i, C.xxxx);

// Other corners

// Rank sorting originally contributed by Bill Licea-Kane, AMD (formerly ATI)

vec4 i0;

vec3 isX = step( x0.yzw, x0.xxx );

vec3 isYZ = step( x0.zww, x0.yyz );

// i0.x = dot( isX, vec3( 1.0 ) );

i0.x = isX.x + isX.y + isX.z;

i0.yzw = 1.0 - isX;

// i0.y += dot( isYZ.xy, vec2( 1.0 ) );

i0.y += isYZ.x + isYZ.y;

i0.zw += 1.0 - isYZ.xy;

i0.z += isYZ.z;

i0.w += 1.0 - isYZ.z;

// i0 now contains the unique values 0,1,2,3 in each channel

vec4 i3 = clamp( i0, 0.0, 1.0 );

vec4 i2 = clamp( i0-1.0, 0.0, 1.0 );

vec4 i1 = clamp( i0-2.0, 0.0, 1.0 );

// x0 = x0 - 0.0 + 0.0 * C.xxxx

// x1 = x0 - i1 + 1.0 * C.xxxx

// x2 = x0 - i2 + 2.0 * C.xxxx

// x3 = x0 - i3 + 3.0 * C.xxxx

// x4 = x0 - 1.0 + 4.0 * C.xxxx

vec4 x1 = x0 - i1 + C.xxxx;

vec4 x2 = x0 - i2 + C.yyyy;

vec4 x3 = x0 - i3 + C.zzzz;

vec4 x4 = x0 + C.wwww;

// Permutations

i = mod289(i);

float j0 = permute( permute( permute( permute(i.w) + i.z) + i.y) + i.x);

vec4 j1 = permute( permute( permute( permute (

i.w + vec4(i1.w, i2.w, i3.w, 1.0 ))

+ i.z + vec4(i1.z, i2.z, i3.z, 1.0 ))

+ i.y + vec4(i1.y, i2.y, i3.y, 1.0 ))

+ i.x + vec4(i1.x, i2.x, i3.x, 1.0 ));

// Gradients: 7x7x6 points over a cube, mapped onto a 4-cross polytope

// 7*7*6 = 294, which is close to the ring size 17*17 = 289.

vec4 ip = vec4(1.0/294.0, 1.0/49.0, 1.0/7.0, 0.0) ;

vec4 p0 = grad4(j0, ip);

vec4 p1 = grad4(j1.x, ip);

vec4 p2 = grad4(j1.y, ip);

vec4 p3 = grad4(j1.z, ip);

vec4 p4 = grad4(j1.w, ip);

// Normalise gradients

vec4 norm = taylorInvSqrt(vec4(dot(p0,p0), dot(p1,p1), dot(p2, p2), dot(p3,p3)));

p0 *= norm.x;

p1 *= norm.y;

p2 *= norm.z;

p3 *= norm.w;

p4 *= taylorInvSqrt(dot(p4,p4));

// Mix contributions from the five corners

vec3 m0 = max(0.6 - vec3(dot(x0,x0), dot(x1,x1), dot(x2,x2)), 0.0);

vec2 m1 = max(0.6 - vec2(dot(x3,x3), dot(x4,x4) ), 0.0);

m0 = m0 * m0;

m1 = m1 * m1;

return 49.0 * ( dot(m0*m0, vec3( dot( p0, x0 ), dot( p1, x1 ), dot( p2, x2 )))

+ dot(m1*m1, vec2( dot( p3, x3 ), dot( p4, x4 ) ) ) ) ;

}

void main() {

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

vec3 color = vec3(1.0);

float r_x_noise = snoise(vec4( 0.0, p.x, p.y, time)) * r_power;

float g_x_noise = snoise(vec4(10.0, p.x, p.y, time)) * g_power;

float b_x_noise = snoise(vec4(20.0, p.x, p.y, time)) * b_power;

float r_y_noise = snoise(vec4(30.0, p.x * 10.0, p.y * 10.0, time)) * r_power;

float g_y_noise = snoise(vec4(40.0, p.x * 10.0, p.y * 10.0, time)) * g_power;

float b_y_noise = snoise(vec4(50.0, p.x * 10.0, p.y * 10.0, time)) * b_power;

float drift = 200;

float r = texture(tex, vec2(gl_FragCoord.x + r_x_noise * drift, resolution.y - gl_FragCoord.y + r_y_noise * drift)).r;

float g = texture(tex, vec2(gl_FragCoord.x + g_x_noise * drift, resolution.y - gl_FragCoord.y + g_y_noise * drift)).g;

float b = texture(tex, vec2(gl_FragCoord.x + b_x_noise * drift, resolution.y - gl_FragCoord.y + b_y_noise * drift)).b;

outputColor = vec4(color - vec3(r, g, b), 1.0);

}

[ Link ]
https://github.com/junkiyoshi/Insta20181105

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2018年11月4日2018年11月19日

Sky. openFrameworks

[ Video ]

[ About ]
Day 4 Sky.

[ 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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

	ofBackground(39, 39, 239);
}

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

}

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

	ofColor color(239);
	int span = 3;
	for (int x = 0; x < ofGetWidth(); x += span) {

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

			float alpha = ofMap(ofNoise(x * 0.003, y * 0.005, ofGetFrameNum() * 0.01), 0, 1, 0, 255);
			alpha *= ofMap(y, 0, ofGetHeight() * 0.75, 1, 0);
			ofSetColor(color, alpha);
			ofDrawRectangle(ofPoint(x, y), span, span);
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(39, 39, 239);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofColor color(239);

int span = 3;

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

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

float alpha = ofMap(ofNoise(x * 0.003, y * 0.005, ofGetFrameNum() * 0.01), 0, 1, 0, 255);

alpha *= ofMap(y, 0, ofGetHeight() * 0.75, 1, 0);

ofSetColor(color, alpha);

ofDrawRectangle(ofPoint(x, y), span, span);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181104

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2018年11月
月	火	水	木	金	土	日
			1	2	3	4
5	6	7	8	9	10	11
12	13	14	15	16	17	18
19	20	21	22	23	24	25
26	27	28	29	30