bhouston

let arrayBuffer = new ArrayBuffer( 12 * 16 );
let floatArray = new Float32Array( arrayBuffer );
let intArray = new Int32Array( arrayBuffer );

 function hashFloat1( v ) {
    floatArray[0] = v;
    return intArray[0];
}

 function hashFloat2( v0, v1 ) {

bhouston

#include <SPI.h>
#include <SD.h>

const int chipSelect = 4;
const int waterPumpRelayPin = 8;
const int moisture_minimum = 400;
const int watering_delay = 1000;
const int loop_delay_minutes = 5;
const int loop_delay = 60 * 1000 * loop_delay_minutes;

bhouston

// Ben Houston <[email protected]>

/*
Based upon:

Szymon Rusinkiewicz
Princeton University

TriMesh_curvature.cc
Computation of per-vertex principal curvatures and directions.

bhouston

var shuffle = require('shuffle-array');
var PoissonDiskSampling = require('poisson-disk-sampling');
var p = new PoissonDiskSampling([1000, 1000], 100, 100, 10);
var points = p.fill();
 
for( i = 0; i < points.length; i ++ ) {
    points[i][0] = Math.round( points[i][0] * 100 ) / (1000*100);
    points[i][1] = Math.round( points[i][1] * 100 ) / (1000*100);
}
shuffle( points );

bhouston

		"#if MAX_AREA_LIGHTS > 0",

			"for( int i = 0; i < MAX_AREA_LIGHTS; i ++ ) {",

				"vec3 lPosition = ( viewMatrix * vec4( areaLightPosition[ i ], 1.0 ) ).xyz;",
				//"vec3 lVector = lPosition.xyz + vViewPosition.xyz;",

				"vec3 width = areaLightWidth[ i ];",
				"vec3 height = areaLightHeight[ i ];",

bhouston

Utilities used by the BxDFs:

Fresnel functions:
	FresnelDielectric( iorI, iorT )
	FresnelConductor( iorI, iorT, kappa )
	FresnelNoOp()

Microfacet distributions:
	BeckmannDistribution ( uRoughness, vRoughness );
 	TrowbridgeReitzDistribution( uRoughness, vRoughness )

bhouston

// source: http://www.mdlhandbook.com/pdf/mdl_handbook.150810.LTR.pdf

// Material definition:

- Surface properties of front-facing surfaces
  - Reflection
  - Transmission
  - Emission
- Surface properties of back-facing surfaces
  - Reflection

bhouston

/**
 * @author bhouston / http://clara.io/
 *
 * Scaleable Ambient Obscurance
 *
 * based on:
 *  - https://gist.github.com/fisch0920/6770311
 *  - http://graphics.cs.williams.edu/papers/SAOHPG12/McGuire12SAO-talk.pdf
 */

bhouston

var gl;
function initGL(canvas) {
	try {
		gl = WebGLDebugUtils.makeDebugContext( canvas.getContext("webgl"), undefined,
		 function(functionName, arguments) {
		 	console.log( "  [webgl] " + functionName.toString() + "( ", arguments, " )" );
		 } );
		gl.viewportWidth = canvas.width;
		gl.viewportHeight = canvas.height;
	}

bhouston

THREE.Assert = function( mustBeTrue, message ) {
	if( ! mustBeTrue ) throw new Error( message | "Assertion failure." );
}

THREE.Descriptor = function ( elementType, itemSize, isArray, isIndex ) {

	THREE.Descriptor.AssertElementType( elementType );

	this.itemSize = itemSize;
	this.elementType = elementType;