Samsy

// Kudos to armadilly

fbo.begin();
    ///pre-multiply background color of the fbo for correct blending!
    ofClear(ofColor(fboBgColor * (fboBgColor.a / 255.) , fboBgColor.a));
    //Set this blending mode for anything you draw INSIDE the fbo
    glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
    //your draw code here!
fbo.end();

Samsy

Trigonometry

const float PI = 3.1415926535897932384626433832795;
const float PI_2 = 1.57079632679489661923;
const float PI_4 = 0.785398163397448309616;

float PHI = (1.0+sqrtf(5.0))/2.0;

Samsy

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

Samsy

varying vec2 vUv;
uniform sampler2D tDiffuse;
uniform float isPicking;
uniform vec3 pickingColor;

void main() {

	vec3 color = texture2D(tDiffuse, vUv).rgb;

	gl_FragColor = vec4(color, 1.0);

Samsy

import THREE from 'three'

import Config from 'config'

let config = Config.instance




 var isLow = false

Samsy

import THREE from 'three'

import Config from 'config'

let config = Config.instance


let parameters = {

    parameters : false,

Samsy

  addTouchEvent() {

        console.log('readd')

        this.wrapper = document.querySelector('.wrapper')

        let bla = ["touchstart", "touchend", "touchmove"]

        bla.forEach( (func)=> { 

Samsy

this.tInput = this.webGL_createTexture(2048.0, this.GL.RGBA, this.GL.NEAREST, this.GL.NEAREST, this.GL.UNSIGNED_BYTE, true);


WebglFrag.prototype.webGL_createTexture = function(textureSize, format, maxFilter, minFilter, type, unBind) {
    
    var texture = this.GL.createTexture();

    texture.size = textureSize;

    this.GL.bindTexture(this.GL.TEXTURE_2D, texture);

Samsy

var ncp = require('ncp').ncp;
var copyobj = require('../package.json').copy;

for (var prop in copyobj) {

	ncp(copyobj[prop].src, copyobj[prop].dest, function (err) {

		if (err) {

			return console.error(err);

Samsy

I added a few methods to three-orbit-controls to be able to manually define phi or theta and be able to rotate to a given point.

// rotation in Y
controls.setAzimuthalAngle(theta);

// rotation in X
controls.setPolarAngle(phi);