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whip - Copie (7).js
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// ----- utils ----- //
function getAngle( a, b ) {
return Math.atan2( b.y - a.y, b.x - a.x );
}
// -------------------------- vector -------------------------- //
function Vector( x, y ) {
this.x = x || 0;
this.y = y || 0;
}
Vector.prototype.set = function( v ) {
this.x = v.x;
this.y = v.y;
};
Vector.prototype.add = function( v ) {
this.x += v.x;
this.y += v.y;
};
Vector.prototype.subtract = function( v ) {
this.x -= v.x;
this.y -= v.y;
};
Vector.prototype.scale = function( s ) {
this.x *= s;
this.y *= s;
};
Vector.prototype.multiply = function( v ) {
this.x *= v.x;
this.y *= v.y;
};
// custom getter whaaaaaaat
Object.defineProperty( Vector.prototype, 'magnitude', {
get: function() {
return Math.sqrt( this.x * this.x + this.y * this.y );
}
});
Vector.prototype.equals = function ( v ) {
return this.x == v.x && this.y == v.y;
};
Vector.prototype.zero = function() {
this.x = 0;
this.y = 0;
};
Vector.prototype.block = function( size ) {
this.x = Math.floor( this.x / size );
this.y = Math.floor( this.y / size );
};
// ----- class functions ----- //
// return new vectors
Vector.subtract = function( a, b ) {
return new Vector( a.x - b.x, a.y - b.y );
};
Vector.add = function( a, b ) {
return new Vector( a.x + b.x, a.y + b.y );
};
Vector.copy = function( v ) {
return new Vector( v.x, v.y );
};
Vector.isSame = function( a, b ) {
return a.x == b.x && a.y == b.y;
};
Vector.getDistance = function( a, b ) {
var dx = a.x - b.x;
var dy = a.y - b.y;
return Math.sqrt( dx * dx + dy * dy );
};
Vector.addDistance = function( vector, distance, angle ) {
var x = vector.x + Math.cos( angle ) * distance;
var y = vector.y + Math.sin( angle ) * distance;
return new Vector( x, y );
};
// -------------------------- -------------------------- //
// -------------------------- Particle -------------------------- //
function Particle( props ) {
this.position = new Vector( props.x, props.y );
this.previousPosition = new Vector( props.x, props.y );
this.isPinned = props.isPinned;
this.friction = props.friction;
this.size = props.size;
this.color = props.color;
this.update();
}
Particle.prototype.update = function() {
this.integrate();
};
Particle.prototype.integrate = function() {
if ( this.isPinned ) {
// this.previousPosition.set( this.position );
return;
}
var velocity = Vector.subtract( this.position, this.previousPosition );
// friction
velocity.scale( this.friction );
this.previousPosition = Vector.copy( this.position );
this.position.add( velocity );
this.position.add( gravity );
};
// -------------------------- -------------------------- //
function zoomCtx(position,size,zoom){
zoom = zoom || 1;
return {
x : position.x / zoom,
y : position.y / zoom,
size : size / zoom
}
}
Particle.prototype.render = function( ctx ) {
// big circle
var newPosition = zoomCtx(this.position,2,1);
circle( ctx, newPosition.x, newPosition.y, newPosition.size/4 ,newPosition.color );
// dot
// ctx.fillStyle = 'hsla(0, 100%, 50%, 0.5)';
// circle( this.position.x, this.position.y, 5 );
};
function circle( ctx, x, y, radius , fillStyle) {
fillStyle = fillStyle || '#000';
if(radius <= 0){
return;
}
ctx.beginPath();
ctx.arc( x, y, radius, 0, Math.PI * 2 );
ctx.fillStyle = fillStyle;
ctx.fill();
ctx.closePath();
}
// -------------------------- WhipLink -------------------------- //
function WhipLink( props ) {
this.particleA = props.particleA;
this.particleB = props.particleB;
this.maxLength = props.maxLength;
this.minLength = props.minLength | 0;
this.deltaScale = props.deltaScale;
this.angleRotation = props.angleRotation || 0;
this.angleFixed = props.angleFixed || null;
this.angle = null;
}
WhipLink.prototype.update = function() {
// this.particleA.p
// this.particleA.update();
this.particleB.update();
this.constrainParticles();
};
// constrain particles to size of SpringLever
WhipLink.prototype.constrainParticles = function() {
var positionA = this.particleA.position;
var positionB = this.particleB.position;
var distance = Vector.getDistance( positionA, positionB );
this.angle = this.angleFixed || (this.angleRotation + getAngle( positionA, positionB ));
if ( this.minLength <= distance && distance <= this.maxLength ) {
return;
}
this.updateParticleBWhithAngle(this.angle);
};
WhipLink.prototype.updateParticleBWhithAngle = function(angle) {
this.angle = angle;
var positionA = this.particleA.position;
var positionB = this.particleB.position;
var newPosition = Vector.addDistance( positionA, this.maxLength, this.angle );
var delta = Vector.subtract( newPosition, positionB );
delta.scale( this.deltaScale )
this.particleB.position.add( delta );
this.particleB.previousPosition.add( delta );
this.particleB.position = newPosition;
}
// -------------------------- -------------------------- //
WhipLink.prototype.render = function( ctx ) {
ctx.lineWidth = this.particleB.size;
line( ctx, this.particleA.position, this.particleB.position ,this.particleA.color);
//circle( ctx, this.particleA.position.x,this.particleA.position.y, 4 ,'rgba(100%, 0%, 0%, 1)' );
};
function line( ctx, a, b , strokeStyle) {
strokeStyle = strokeStyle || 'rgba(100%, 0%, 00%, 1)';
ctx.beginPath();
ctx.strokeStyle = strokeStyle;
ctx.moveTo( a.x, a.y );
ctx.lineTo( b.x, b.y );
ctx.stroke();
ctx.closePath();
}
// -------------------------- whip -------------------------- //
function Whip( props ) {
this.linkCount = props.linkCount || 1;
this.maxLinkLength = props.maxLinkLength;
this.minLinkLength = props.minLinkLength || 0;
this.width = props.width;
this.lineShapeDef = !_.isUndefined(props.lineShapeDef) ? props.lineShapeDef : {name:'linear',nbPeriod:1,injectedEasing:undefined} ;
this.lineShape = new Easing(this.lineShapeDef);
this.friction = props.friction || 0.85;
this.deltaScale = props.deltaScale || 0.85;
this.renderBody = props.renderBody || true;
this.renderParticles = props.renderParticles || false;
this.renderLinks = props.renderLinks || false;
this.angleRotation = props.angleRotation || 0 ;
this.angleStart = props.angleStart || 0 ;
this.angleMax = props.angleMax || Math.PI * 2;
this.paletteName = _.isUndefined(props.paletteName) ? 'bleuVertOrange' : props.paletteName;
this.subWhipsDef = props.subWhipsDef || {};
this.subWhipsDef.renderBody = this.subWhipsDef.renderBody || true;
this.subWhipsDef.renderParticles = this.subWhipsDef.renderParticles || false;
this.subWhipsDef.renderLinks = this.subWhipsDef.renderLinks || false;
this.subWhips = props.subWhips || [];
this.createLinks(props.x, props.y);
}
Whip.prototype.createLinks = function(startX,startY) {
var palette = new Palette(this.paletteName).setLineShape(this.lineShape).getColor(i/this.linkCount),
color = 'hsla(' + palette.h + ', ' + palette.s + '%, ' + palette.l + '%, ' + palette.transparency + ')';
this.links = [];
for ( var i=0; i <= this.linkCount; i++ ) {
this.links[i] = this.createLink(
i,
i === 0 ? new Particle(
{
x: startX,
y: startY,
friction: this.friction,
size:this.lineShape.getEasing(this.width, i / this.linkCount ),
color: color,
isPinned :true
}
) :
this.links[ i - 1 ].particleB
);
}
};
Whip.prototype.createLink = function(i, particleA) {
var palette = new Palette(this.paletteName).setLineShape(this.lineShape).getColor(i/this.linkCount),
color = 'hsla(' + palette.h + ', ' + palette.s + '%, ' + palette.l + '%, ' + palette.transparency + ')';
return new WhipLink({
particleA: particleA,
particleB: new Particle({
x: particleA.position.x,
y: particleA.position.y,
size:this.lineShape.getEasing(this.width, i / this.linkCount ),
color: color,
friction: this.friction
}),
maxLength: this.maxLinkLength,
minLength: this.minLinkLength,
deltaScale: this.deltaScale,
angleRotation : (i <= this.linkCount) ? (this.angleRotation * (this.linkCount-i)/this.linkCount ) : 0,
angleFixed : null,
});
}
Whip.prototype.updateLinks = function() {
for ( var i=0; i <= this.linkCount; i++ ) {
var palette = new Palette(this.paletteName).setLineShape(this.lineShape).getColor(i/this.linkCount),
color = 'hsla(' + palette.h + ', ' + palette.s + '%, ' + palette.l + '%, ' + palette.transparency + ')';
if (!_.isUndefined(this.links[i])) {
this.links[i].maxLength = this.maxLinkLength;
this.links[i].minLength = this.minLinkLength;
this.links[i].deltaScale = this.deltaScale;
this.links[i].angleRotation = (i <= this.linkCount) ? (this.angleRotation * (this.linkCount-i)/this.linkCount ) : 0;
this.links[i].particleA.size = this.lineShape.getEasing(this.width, i / this.linkCount );
this.links[i].particleA.color = color;
this.links[i].particleA.friction = this.friction;
this.links[i].particleB.size = this.lineShape.getEasing(this.width, i / this.linkCount );
this.links[i].particleB.color = color;
this.links[i].particleB.friction = this.friction;
}else{
this.links[i] = this.createLink(i, this.links[ i - 1 ].particleB);
}
}
// cut the rest
this.links = _.first(this.links,i);
};
Whip.prototype.getDefinitions = function() {
return {
linkCount : {class:'integer'},
minLinkLength : {class:'float'},
maxLinkLength : {class:'float'},
width : {class:'float'},
lineShapeDef : {class:'easingOptions'},
friction : {class:'float'},
deltaScale : {class:'float'},
renderBody : {class:'boolean'},
renderParticles : {class:'boolean'},
renderLinks : {class:'boolean'},
angleRotation : {class:'float'},
angleStart : {class:'float'},
angleMax : {class:'float'},
paletteName : {class:'Palette'},
subWhipsDef : {class:'subWhipsDef'},
subWhips : {class:'Whips'},
}
}
Whip.prototype.toJSON = function() {
return {
linkCount : this.linkCount,
minLinkLength : this.minLinkLength,
maxLinkLength : this.maxLinkLength,
width : this.width,
lineShapeDef : this.lineShapeDef,
friction : this.friction,
deltaScale : this.deltaScale,
renderBody : this.renderBody,
renderParticles : this.renderParticles,
renderLinks : this.renderLinks,
angleRotation : this.angleRotation,
angleStart : this.angleStart,
angleMax : this.angleMax,
paletteName : this.paletteName,
subWhipsDef : this.subWhipsDef,
subWhips : _.each(this.subWhips, function(attachNode){
attachNodeJson = _.clone(attachNode);
attachNodeJson.whip = attachNodeJson.whip.ToJson;
return attachNodeJson;
}),
}
};
Whip.prototype.getAngleFromLinks = function(links1, links2) {
var a = links1.particleA.position.x
}
Whip.prototype.update = function() {
var that = this,
angleMax = this.angleMax,
time = (new Date().getTime() - startingTime) / 100;;
//update sub attributes (TODO better trigger on change attributes..)
var lineShapeDef = _.clone(this.lineShapeDef),
newNbperiod = catchedEval(lineShapeDef.nbPeriod,{time:time});
lineShapeDef.nbPeriod = _.isUndefined(newNbperiod) ? lineShapeDef.nbPeriod : newNbperiod ;
var newEasing = new Easing(lineShapeDef);
if (!_.isUndefined(newEasing.easings[lineShapeDef.name])){
this.lineShape = newEasing;
}
this.updateLinks();
for ( var i=0, len = this.links.length; i < len; i++ ) {
this.links[i].update();
if (i > 0){
var deltaAngle = testDeltaAngle = this.links[i-1].angle - this.links[i].angle,
deltaPi = 0;
if (deltaAngle > Math.PI){
testDeltaAngle = deltaAngle - Math.PI*2;
deltaPi = -Math.PI*2;
}
if (deltaAngle < -Math.PI){
testDeltaAngle = deltaAngle + Math.PI*2;
deltaPi = Math.PI*2;
}
var difAngle = 0;
angleMax = this.angleMax * ((len-i)/len);
if( testDeltaAngle > angleMax && testDeltaAngle > 0 ){
difAngle = testDeltaAngle - angleMax ;
this.links[i].updateParticleBWhithAngle(this.links[i].angle + difAngle*0.25 + deltaPi);
}
if( testDeltaAngle < -angleMax && testDeltaAngle < 0 ){
difAngle = testDeltaAngle - angleMax ;
this.links[i].updateParticleBWhithAngle(this.links[i].angle + difAngle*0.25 + deltaPi);
}
}
}
this.updateSubWhips();
};
Whip.prototype.updateSubWhips = function(){
var that = this,
nbsubs = this.subWhipsDef.nbsubs || this.subWhips.length, //default if not set
time = (new Date().getTime() - startingTime) / 100;
this.subWhips = _.first(this.subWhips, nbsubs);
//console.log(nbsubs);
for (var i = 0; i < nbsubs; i++) {
var subWhipEval = {};
_.each(that.subWhipsDef, function(subDef,subDefName){
if(subDefName =='lineShapeDef' || subDefName === 'paletteName'){
//console.log(subDef);
subWhipEval[subDefName] = _.clone(subDef);
}else{
var newSubDef = catchedEval(subDef,{i:i, nbsubs:nbsubs, time:time});
if(!_.isUndefined(newSubDef)){
subWhipEval[subDefName] = newSubDef;
}
}
});
if(!_.isUndefined(that.subWhipsDef.lineShapeDef)){
subWhipEval.lineShapeDef.nbPeriod = eval(that.subWhipsDef.lineShapeDef.nbPeriod);
}
// create subwhip if not exist
if(_.isUndefined(that.subWhips[i])){
that.subWhips.push(
{
attachNum : subWhipEval.attachNum,
whip : new Whip(subWhipEval)
}
);
}
var subWhip = that.subWhips[i]
_.each(that.subWhipsDef, function(subDef,subDefName){
if(!_.isUndefined(subWhipEval)){
subWhip.attachNum = subWhipEval.attachNum;
}
if(subDefName ==='lineShapeDef'){
subWhip.whip[subDefName] = {'name':subDef.name,'nbPeriod':eval(subDef.nbPeriod)};
}else if(subDefName ==='paletteName'){
subWhip.whip[subDefName] = subDef;
}else{
var newSubDef = catchedEval(subDef,{i:i, nbsubs:nbsubs, time:time});
subWhip.whip[subDefName] = newSubDef;
}
});
// link subwhip to parent
subWhip.whip.linkCount = subWhip.whip.linkCount || 1;
if(subWhip.attachNum < this.linkCount){
subWhip.whip.links[0].particleA.position.x = that.links[subWhip.attachNum].particleA.position.x;
subWhip.whip.links[0].particleA.position.y = that.links[subWhip.attachNum].particleA.position.y;
subWhip.whip.links[0].angleFixed = that.links[subWhip.attachNum].angle + subWhip.whip.angleStart;
}
subWhip.whip.update();
}
//check if have to create subwips
/*if (nbsubs > this.subWhips.length){
this.subWhips.push(
{
attachNum : subWhipEval.attachNum,
whip : new Whip(subWhipEval)
}
);
}*/
};
Whip.prototype.render = function( ctx ) {
if(this.renderBody){
var position = this.links[0].particleA.position;
//circle( ctx, position.x, position.y ,this.lineShape(this.width, 0 ), 'rgba(100%, 100%, 50%, 1)' );
for ( var len = this.links.length, i=len-1; i >= 0; i-- ) {
var link = this.links[i];
position = link.particleB.position;
var palette = new Palette(this.paletteName).setLineShape(this.lineShape).getColor(i/this.linkCount),
color = 'hsla(' + palette.h + ', ' + palette.s + '%, ' + palette.l + '%, ' + palette.transparency + ')';
circle( ctx, position.x, position.y , this.lineShape.getEasing(this.width, i / this.linkCount ), color);
}
}
if(this.renderLinks){
this.links.forEach(function(link) {
link.render(ctx);
});
}
if(this.renderParticles){
this.links.forEach(function(link) {
link.particleA.render(ctx);
});
}
this.subWhips.forEach(function(subWhip) {
subWhip.whip.render( ctx );
});
};
// -------------------------- -------------------------- //
var Easing = function(options){
var that = this;
this.nbPeriod = !_.isUndefined(options) && !_.isUndefined(options.nbPeriod) ? options.nbPeriod : 1;
this.name = !_.isUndefined(options) && !_.isUndefined(options.name) ? options.name : 'linear';
this.injectedEasingDef = !_.isUndefined(options) ? options.injectedEasingDef : undefined;
this.injectedEasing = !_.isUndefined(this.injectedEasingDef) ? new Easing(options.injectedEasingDef) : function(){return 1};
this.easings = {
linear : function(width, iteration) {
iteration = iteration - 0.00001;
return width * (1 - (iteration % (1/that.nbPeriod)) * that.nbPeriod * that.injectedEasing(1,iteration));
},
worm : function(width, iteration) {
return width * (Math.sin(iteration * Math.PI * that.nbPeriod * that.injectedEasing(1,iteration))/3+1);
},
sansueBigHead : function(width, iteration) {
return width * (
Math.sin( iteration * Math.PI * 1.5 * that.nbPeriod * that.injectedEasing(1,iteration)) + 1
);
},
sansue : function(width, iteration) {
return width * (
Math.sin( (-0.5 + iteration * Math.PI * 1.5) * that.nbPeriod * that.injectedEasing(1,iteration)) + 1
);
},
virgule : function(width, iteration) {
return width * (
Math.cos(iteration * Math.PI * that.nbPeriod * that.injectedEasing(1,iteration)) + 1
);
},
vibrant : function(width, iteration) {
return (width + (width * (0.5 - Math.random()) * 2 * that.injectedEasing(1,iteration)))/2;
},
combo : function(width, iteration) {
// return width * (
// new Easing().virgule(1,iteration) *
// new Easing({nbPeriod:16}).worm(1,iteration ) *
// that.injectedEasing(1,iteration)
// );
return width * (
new Easing({name:'virgule',nbPeriod:1 *that.nbPeriod }).getEasing(1,iteration) /2 +
new Easing({name:'worm', nbPeriod:17 * that.nbPeriod}).getEasing(1,iteration )
);
},
bloby : function(width, iteration) {
return width * (Math.sin(iteration)/3+1);
}
};
return this;
};
Easing.prototype.getEasing = function(width, iteration) { // iteration 0 to 1
return this.easings[this.name](width, iteration);
};
var Palette = function(paletteName, lineShape){
var that = this;
this.palettes = {
bleuVertOrange: function(iteration ) {
return {
h : 90 * that.lineShape.getEasing(1,iteration)-20,
s : 50 + 50 * that.lineShape.getEasing(1,iteration*6),
l : 50 + 10 * that.lineShape.getEasing(1,iteration*4),
transparency : 0.0835
};
},
test: function(iteration){
return {
h : 90 * that.lineShape.getEasing(1,iteration)+80,
s : 30 + 50 * that.lineShape.getEasing(1,iteration*4),
l : 60 + 5 * that.lineShape.getEasing(1,iteration*4),
transparency : 0.535
};
},
orangeDark: function(iteration){
return {
h : 2 * that.lineShape.getEasing(1,iteration)+350,
s : 70 + 10 * that.lineShape.getEasing(1,iteration*6),
l : 10 + 20 * that.lineShape.getEasing(1,iteration*4),
transparency : 0.535
};
},
mega: function(iteration){
return {
h : 360 * that.lineShape.getEasing(1,iteration),
s : 70 + 10 * that.lineShape.getEasing(1,iteration*6),
l : 50 + 20 * that.lineShape.getEasing(1,iteration*4),
transparency : 0.535
};
},
};
this.paletteName = (_.isUndefined(paletteName) || _.isUndefined(this.palettes[paletteName]) ) ? 'bleuVertOrange' : paletteName;
this.lineShape = lineShape || new Easing();
};
Palette.prototype.getColor = function(iteration) { // iteration 0 to 1
return this.palettes[this.paletteName](iteration);
}
Palette.prototype.setLineShape = function(lineShape) { // iteration 0 to 1
this.lineShape = lineShape || new Easing();
return this;
}
var renderForm = function() {
_.each(whips, function(whip,i){
var gui = new dat.GUI();
gui.add(whip, 'linkCount');
gui.add(whip, 'minLinkLength');
gui.add(whip, 'maxLinkLength');
gui.add(whip, 'width');
gui.add(whip, 'deltaScale');
gui.add(whip, 'renderBody');
gui.add(whip, 'renderParticles');
gui.add(whip, 'renderLinks');
gui.add(whip, 'angleRotation');
gui.add(whip, 'angleStart');
gui.add(whip, 'angleMax');
gui.add(whip, 'paletteName');
var f_lineShapeDef = gui.addFolder('lineShapeDef');
f_lineShapeDef.add(whip.lineShapeDef, 'name');
f_lineShapeDef.add(whip.lineShapeDef, 'nbPeriod');
var f_subWhipsDef = gui.addFolder('subWhipsDef');
f_subWhipsDef.add(whip.subWhipsDef, 'nbsubs');
f_subWhipsDef.add(whip.subWhipsDef, 'attachNum');
f_subWhipsDef.add(whip.subWhipsDef, 'linkCount');
f_subWhipsDef.add(whip.subWhipsDef, 'renderBody');
f_subWhipsDef.add(whip.subWhipsDef, 'renderParticles');
f_subWhipsDef.add(whip.subWhipsDef, 'renderLinks');
f_subWhipsDef.add(whip.subWhipsDef, 'angleRotation');
f_subWhipsDef.add(whip.subWhipsDef, 'angleStart');
f_subWhipsDef.add(whip.subWhipsDef, 'angleMax');
f_subWhipsDef.add(whip.subWhipsDef, 'maxLinkLength');
f_subWhipsDef.add(whip.subWhipsDef, 'width');
f_subWhipsDef.add(whip.subWhipsDef, 'friction');
f_subWhipsDef.add(whip.subWhipsDef, 'deltaScale');
f_subWhipsDef.add(whip.subWhipsDef, 'paletteName');
});
}
var renderFieldset = function(className, objectToBind,definitions, values) {
var $fieldset = $('<fieldset data-class="' + className + '"><legend>' + className + ' :</legend></fieldset>');
//drawn form
_.each(definitions, function(def,defName){
var def = def
$fieldset.append('<label>'+ defName + '</label>' );
// boolean
if (def.class == 'boolean') {
$fieldset.append('<input type="checkbox" ' + (values[defName]===true ? 'checked="CHECKED"' : '') + ' name="' + defName + '" data-class="' + def.class + '"></input>');
// Whips
} else if(def.class === 'Whips') {
_.each(objectToBind.subWhips, function(subwhip,i){
$fieldset.append(renderFieldset('Whip', subwhip.whip, subwhip.whip.getDefinitions(), subwhip.whip.toJSON()));
});
} else if(def.class === 'easingOptions') {
if(!_.isUndefined(objectToBind[defName])){
$fieldset.append(
renderFieldset(
defName,
objectToBind.lineShapeDef,
{
name : {class:'string'},
nbPeriod : {class:'float'}
},
{
name : values[defName].name,
nbPeriod : values[defName].nbPeriod
}
)
);
}
} else if(def.class === 'subWhipsDef') {
$fieldset.append(
renderFieldset(
defName,
objectToBind.subWhipsDef,
{
nbsubs : {class:'integer'},
attachNum : {class:'integer'},
linkCount : {class:'string'},
renderBody : {class:'boolean'},
renderParticles : {class:'boolean'},
renderLinks : {class:'boolean'},
angleRotation : {class:'float'},
angleStart : {class:'float'},
angleMax : {class:'float'},
maxLinkLength : {class:'float'},
width : {class:'float'},
friction : {class:'float'},
deltaScale : {class:'float'},
lineShapeDef : {class:'easingOptions'},
paletteName : {class:'string'},
},
{
nbsubs : values[defName].nbsubs,
attachNum : values[defName].attachNum,
linkCount : values[defName].linkCount,
renderBody : values[defName].renderBody || true,
renderParticles : values[defName].renderParticles || false,
renderLinks : values[defName].renderLinks || false,
angleRotation : values[defName].angleRotation,
angleStart : values[defName].angleStart,
angleMax : values[defName].angleMax,
maxLinkLength : values[defName].maxLinkLength,
width : values[defName].width,
friction : values[defName].friction,
deltaScale : values[defName].deltaScale,
lineShapeDef : values[defName].lineShapeDef,
paletteName : values[defName].paletteName,
}
)
);
} else {
$fieldset.append('<input name="' + defName + '" data-class="' + def.class + '" value="' + values[defName] + '"></input>');
}
$fieldset.append('<br/>');
});
//bind input change
$('>input', $fieldset).on('change', function(e){
var $target = $(e.currentTarget),
fieldsetClass = $target.closest('fieldset').attr('data-class');
propName = $target.attr('name'),
value = $target.val(); //get input value
// get checkbox value
if($target.attr('data-class') == 'boolean'){
value = $target.prop('checked');
}
objectToBind[propName] = value;
});
return $fieldset;
}
var canvas = null;
var ctx = null;
var w = 0;
var h = 0;
var img=new Image();
var startingTime = new Date().getTime();
$(document).ready(function() {
canvas = $('canvas').get(0);
w = canvas.width = window.innerWidth - 20;
h = canvas.height = window.innerHeight - 20;
ctx = canvas.getContext('2d');
canvas.addEventListener( 'mousedown', onMousedown, false );
var rect = canvas.getBoundingClientRect();
canvasOffsetLeft = rect.left;
canvasOffsetTop = rect.top;
img.onload=function(){
//ctx.drawImage(img,0,0,img.width,img.height,0,0,w,h);
ctx.fillStyle = "rgba(0,0,0,1)";
ctx.fillRect(0,0,w,h);
}
img.src="http://static9.depositphotos.com/1001311/1123/i/950/depositphotos_11236001-The-brown-wood-texture-with-natural-patterns.jpg";
renderForm();
console.log(whips);
start();
});
var gravity = new Vector( 0, 0/*.8*/ );
var friction = 0.85;
var deltaScale = {
normal : 0.85,
speed : 0.6,
};
var whips = [];
// 1rst bestiole
/*
whips.push(
new Whip({
x: 100,
y: 100,
linkCount: 60,
maxLinkLength: 7,
width: 40,
friction: 0.7,
deltaScale: deltaScale.speed,
// lineShape: new Easing({nbPeriod:4, injectedEasing:new Easing({nbPeriod:16}).linear}).combo,
lineShapeDef:{name:'sansue', nbPeriod:1},
paletteName: 'test'
})
);
*/
/*
var nbsubs = 24;
whips.push(
new Whip({
x: 100,
y: 100,
linkCount: 600,
maxLinkLength: 2,
width: 20,
friction: 0.7,
deltaScale: deltaScale.speed,
// lineShape: new Easing({nbPeriod:4, injectedEasing:new Easing({nbPeriod:16}).linear}).combo,
lineShapeDef: {name:'combo', nbPeriod:'1+Math.sin(time/20)/2'},
renderParticles:true,
subWhipsDef : {
linkCount : 'Math.round((nbsubs - i)/nbsubs * 50)',
attachNum : 'Math.round(Math.floor(i/2) * 50 * (0.5+Math.sin(-time/20) /4))',
angleStart : 'Math.sin(time/20) * Math.PI/4 * ( (i % 2)==0 ? 1 : -1 )',
angleMax : 0.2,
angleRotation : 0,
nbsubs : nbsubs,
maxLinkLength : 10,
width : 5,
friction : friction + 0.085,
deltaScale : deltaScale.normal,
lineShapeDef : {name:'virgule', nbPeriod:'1'},
paletteName : 'test',
renderLinks : true
},
subWhips: new function(){
var _subWhips = [];
for ( var i=2; i < nbsubs; i++ ) {
var subWhip = {
attachNum : Math.floor(i/2) * 50,
whip: new Whip({
x: 1100,
y: 1150,
linkCount: Math.round((nbsubs - i)/nbsubs * 200),
maxLinkLength:3,
width: 2,
friction: friction + 0.085,
deltaScale: deltaScale.normal,
lineShapeDef: {name:'worm', nbPeriod:nbsubs/(i*2)},
paletteName: 'mega',
angleRotation: Math.PI /60 * ( (i % 2)==0 ? 1 : -1 ),
})
};
_subWhips.push(subWhip);
}
return _subWhips;
}
})
);
*/
/*
whips.push(
new Whip({
x: 100,
y: 100,
linkCount: 300,
maxLinkLength: 3,
width: 10,
friction: 0.7,
deltaScale: deltaScale.speed,
lineShapeDef: {name:'combo', nbPeriod:4, injectedEasingDef:{nbPeriod:8}}
})
);
*/
// 2eme bestiole
/*
whips.push(
new Whip({
x: 100,
y: 100,
linkCount: 50,
maxLinkLength: 15,
width: 30,
friction: 0.7,
angleMax: Math.PI/7,
deltaScale: deltaScale.speed,
// lineShape: new Easing({nbPeriod:4, injectedEasing:new Easing({nbPeriod:16}).linear}).combo,
lineShapeDef:{name:'sansue', nbPeriod:1},
paletteName: 'test',
// renderParticles:true,
//renderLinks:true,
subWhips: new function(){
var _subWhips = [];
for ( var i=2; i < 48; i++ ) {
var subWhip = {
attachNum : Math.floor(i/2) * 2,
whip: new Whip({
x: 1100,
y: 1150,
linkCount: 1,
maxLinkLength: new Easing({name:'sansue', nbPeriod:1}).getEasing(30, Math.floor(i/2) * 12 /300),
minLinkLength: new Easing({name:'sansue', nbPeriod:1}).getEasing(30, Math.floor(i/2) * 12 /300),
width: 1,
friction: friction + 0.085,
deltaScale: deltaScale.normal,
lineShapeDef: {name:'virgule', nbPeriod:1},
paletteName: 'orangeDark',
angleStart: Math.PI/2 * ( (i % 2)==0 ? 1 : -1 ),
subWhips: [{
attachNum : 1,