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此工具包包含：

1。包括对鼠标坐标，触屏坐标， 将颜色二进制或字符串转为rgb，对二进制颜色的检索， 3d图形绘制，2d图形绘制，

3d节点绘制， 生成飞船，速度向量。

建议中级开发者使用。

若使用请复制(含压缩版):

cantool.js：

/*

@Copyright David Gao(davidg0)

Made In China

canTool Version 1.0

canTool is an engine use to draw 2d and 3d points.Also included shipMaker,Ball3d,slider,mouse position and touch posision(for iPad or phones) and so on.

*/

//Animation requesting part for Opera Navigater Safari Chrome FireFox

if (!window.requestAnimationFrame) {

window.requestAnimationFrame = (window.webkitRequestAnimationFrame ||

window.mozRequestAnimationFrame ||

window.msRequestAnimationFrame ||

window.oRequestAnimationFrame ||

function (callback) {

return window.setTimeout(callback, 17 );

});

}

if (!window.cancelAnimationFrame) {

window.cancelAnimationFrame = (window.cancelRequestAnimationFrame ||

window.webkitCancelAnimationFrame || window.webkitCancelRequestAnimationFrame ||

window.mozCancelAnimationFrame || window.mozCancelRequestAnimationFrame ||

window.msCancelAnimationFrame || window.msCancelRequestAnimationFrame ||

window.oCancelAnimationFrame || window.oCancelRequestAnimationFrame ||

window.clearTimeout);

}

//Objects part

function Ball3d(radius, color){

this.x = 0;

this.y = 0;

this.xpos = 0;

this.ypos = 0;

this.zpos = 0;

this.vx = 0;

this.vy = 0;

this.vz = 0;

this.radius = radius;

this.mass = 1;

this.rotation = 0;

this.scaleX = 1;

this.scaleY = 1;

this.color = tool.pColor(color);

this.lineWidth = 1;

this.visible = true;

}

Ball3d.prototype.draw = function(context){

context.save();

context.translate(this.x, this.y);

context.rotate(this.rotation);

context.scale(this.scaleX, this.scaleY);

context.lineWidth = this.lineWidth;

context.fillStyle = this.color;

context.beginPath();

context.arc(0, 0, this.radius, 0, (Math.PI * 2), true);

context.closePath();

context.fill();

context.stroke();

context.restore();

};

function shipMaker(width, height){

this.x = 0;

this.y = 0;

this.width = width;

this.height = height;

this.rotation = 0;

}

shipMaker.prototype.draw = function(context){

context.save();

context.translate(this.x, this.y);

context.rotate(this.rotation);

context.lineWidth = 1;

context.strokeStyle = "white";

context.beginPath();

context.moveTo(10, 0);

context.lineTo(-10, 10);

context.lineTo(-5, 0);

context.lineTo(-10, -10);

context.lineTo(10, 0);

context.stroke();

if(this.showFlame){

context.beginPath();

context.moveTo(-7.5, -5);

context.lineTo(-15, 0);

context.lineTo(-7.5, 5);

context.stroke();

}

context.restore();

};

function Segment(width, height, widthL, color){

this.x = 0;

this.y = 0;

this.width = width;

this.height = height;

this.vx = 0;

this.vy = 0;

this.rotation = 0;

this.scaleX = 1;

this.scaleY = 1;

this.lineWidth = widthL

}

Segment.prototype.draw = function(context){

var h = this.height;

var d = this.width + h;

var cr = h / 2;

context.save();

context.translate(this.x, this.y);

context.rotate(this.rotation);

context.scale(this.scaleX, this.scaleY);

context.lineWidth = this.lineWidth;

context.beginPath();

context.moveTo(0, -cr);

context.lineTo(d - h, -cr);

context.quadraticCurveTo(-cr + d, -cr, -cr + d, 0);

context.lineTo(-cr + d, h - 2 * cr);

context.quadraticCurveTo(-cr + d, -cr + h, d - 2 * cr, -cr + h);

context.lineTo(0, -cr + h);

context.quadraticCurveTo(-cr, -cr + h, -cr, h - 2 * cr);

context.lineTo(-cr, 0);

context.quadraticCurveTo(-cr, -cr, 0, -cr);

context.closePath();

context.fill();

if(this.lineWidth > 0){

context.stroke();

}

};

function Slider(min, max, value){

this.onchange = null;

this.x = 0;

this.y = 0;

this.width = 16;

this.height = 100;

this.backWidth = 4;

this.backX = this.width / 2 - this.backWidth / 2;

this.handleHeight = 6;

this.handleY = 0;

this.updatePosition();

}

Slider.prototype.draw = function(context){

context.save();

context.translate(this.x, this.y);

context.beginPath();

context.fillRect(this.backX, 0, this.backWidth, this.height);

context.closePath();

context.beginPath();

context.rect(0, this.handleY, this.width, this.handleHeight);

context.closePath();

context.fill();

context.stroke();

context.restore();

};

Slider.prototype.updateValue = function(){

var old_value = this.value;

var handleRange = this.height - this.handleHeight;

var valueRange = this.max - this,min;

this.value = (handleRange - this.handleY) / handleRange * valueRange + this.min;

if(typepf this.onchange === *function* this.value !== old_value){

this.onchage();

}

};

Slider.prototype.updatePosition = function(){

var handleRange = this.height - this.handleHeight;

var valueRange = this.max - this.min;

this.handleY = handleRange - ((this.value - this.min) / valueRange) * handleRange;

};

Slider.prototype.captureMouse = function(element){

var self = this;

var mouse = utils.captureMouse(element);

bounds = [];

setHandleBounds();

element.addEventListener(*mousedown*, function() {

if(utils.containsPoint(bounds, mouse.x, mouse.y)){

element.addEventListener(*mouseup*, onMouseUp, false);

element.addEventListener(*mousemove*, onMouseMove, false);

}

}, false);

function onMouseUp(){

element.removeEventListener(*mousemove*, onMouseMove, false);

element.removeEventListener(*mouseup*, onMouseMove, false);

setHandleBounds();

}

function onMouseMove(){

var pos_y = mouse.y - self.y;

self.handleY = Math.min(self.height - self.handleHeight, Math.max(pos_y, 0));

self.updateValue();

}

function setHandleBounds(){

bounds.x = self.x;

bounds.y = self.y + self.handleY;

bounds.width = self.width;

bounds.height = self.handleHeight;

}

};

function Point3d(x, y, z){

this.x = x;

this.y = y;

this.z = z;

this.fl = 250;

this.vpx = 0;

this.vpy = 0;

this.vpz = 0;

this.cx = 0;

this.cy = 0;

this.cz = 0;

}

Point3d.prototype.setVanishingPoint = function(vpx, vpy){

this.vpx = vpx;

this.vpy = vpy;

};

Point3d.prototype.setCenter = function(cx, cy, cz){

this.cx = cx;

this.cy = cy;

this.cz = cz;

};

Point3d.prototype.rorateX = function(angleX){

var cosX = Math.cos(angleX);

var sinX = Math.sin(angleX);

var y1 = this.y * cosX - this.z * sinX;

var z1 = this.z * cosX + this.y * sinX;

this.y = y1;

this.z = z1;

};

Point3d.prototype.rotateY = function(angleY){

var cosY = Math.cos(angleY);

var sinY = Math.sin(angleY);

var x1 = this.x * cosY - this.z * sinY;

var z1 = this.z * cosY + this.x * sinY;

this.x = x1;

this.z = z1;

}

function Triangle (a, b, c, color) {

this.pointA = a;

this.pointB = b;

this.pointC = c;

this.color = (color === undefined) ? "#ff0000" : canTool.strColor(color);

this.lineWidth = 1;

this.alpha = 1;

}

Triangle.prototype.draw = function (context) {

if (this.isBackface()) {

return;

}

context.save();

context.lineWidth = this.lineWidth;

context.fillStyle = context.strokeStyle = utils.colorToRGB(this.color, this.alpha);

context.beginPath();

context.moveTo(this.pointA.getScreenX(), this.pointA.getScreenY());

context.lineTo(this.pointB.getScreenX(), this.pointB.getScreenY());

context.lineTo(this.pointC.getScreenX(), this.pointC.getScreenY());

context.closePath();

context.fill();

if (this.lineWidth > 0) {

context.stroke();

}

context.restore();

};

Triangle.prototype.getDepth = function () {

return Math.min(this.pointA.z, this.pointB.z, this.pointC.z);

};

Triangle.prototype.isBackface = function () {

var cax = this.pointC.getScreenX() - this.pointA.getScreenX(),

cay = this.pointC.getScreenY() - this.pointA.getScreenY(),

bcx = this.pointB.getScreenX() - this.pointC.getScreenX(),

bcy = this.pointB.getScreenY() - this.pointC.getScreenY();

return cax * bcy > cay * bcx;

};

function lightTriangle (a, b, c, color) {

this.pointA = a;

this.pointB = b;

this.pointC = c;

this.color = (color === undefined) ? "#ff0000" : canTool.strColor(color);

this.lineWidth = 1;

this.alpha = 1;

this.light = null;

}

lightTriangle.prototype.draw = function (context) {

if (this.isBackface()) {

return;

}

context.save();

context.lineWidth = this.lineWidth;

context.fillStyle = context.strokeStyle = this.getAdjustedColor();

context.beginPath();

context.moveTo(this.pointA.getScreenX(), this.pointA.getScreenY());

context.lineTo(this.pointB.getScreenX(), this.pointB.getScreenY());

context.lineTo(this.pointC.getScreenX(), this.pointC.getScreenY());

context.closePath();

context.fill();

if (this.lineWidth > 0) {

context.stroke();

}

context.restore();

};

lightTriangle.prototype.getDepth = function () {

return Math.min(this.pointA.z, this.pointB.z, this.pointC.z);

};

lightTriangle.prototype.isBackface = function () {

var cax = this.pointC.getScreenX() - this.pointA.getScreenX(),

cay = this.pointC.getScreenY() - this.pointA.getScreenY(),

bcx = this.pointB.getScreenX() - this.pointC.getScreenX(),

bcy = this.pointB.getScreenY() - this.pointC.getScreenY();

return cax * bcy > cay * bcx;

};

lightTriangle.prototype.getAdjustedColor = function () {

var color = utils.parseColor(this.color, true),

red = color >> 16,

green = color >> 8 & 0xff,

blue = color & 0xff,

lightFactor = this.getLightFactor();

red *= lightFactor;

green *= lightFactor;

blue *= lightFactor;

return utils.parseColor(red << 16 | green << 8 | blue);

};

lightTriangle.prototype.getLightFactor = function () {

var ab = {

x: this.pointA.x - this.pointB.x,

y: this.pointA.y - this.pointB.y,

z: this.pointA.z - this.pointB.z

};

var bc = {

x: this.pointB.x - this.pointC.x,

y: this.pointB.y - this.pointC.y,

z: this.pointB.z - this.pointC.z

};

var norm = {

x: (ab.y * bc.z) - (ab.z * bc.y),

y:-((ab.x * bc.z) - (ab.z * bc.x)),

z: (ab.x * bc.y) - (ab.y * bc.x)

};

var dotProd = norm.x * this.light.x +

norm.y * this.light.y +

norm.z * this.light.z,

normMag = Math.sqrt(norm.x * norm.x +

norm.y * norm.y +

norm.z * norm.z),

lightMag = Math.sqrt(this.light.x * this.light.x +

this.light.y * this.light.y +

this.light.z * this.light.z);

return (Math.acos(dotProd / (normMag * lightMag)) / Math.PI) * this.light.brightness;

};

function Light (x, y, z, brightness) {

this.x = (x === undefined) ? -100 : x;

this.y = (y === undefined) ? -100 : y;

this.z = (z === undefined) ? -100 : z;

this.brightness = (brightness === undefined) ? 1 : brightness;

}

Light.prototype.setBrightness = function (b) {

this.brightness = Math.min(Math.max(b, 0), 1);

};

//User*s part

var canTool = {};

window.canTool.strColor = function (color, toNumber) {

if (toNumber === true) {

if (typeof color === *number*) {

return (color | 0);

}

if (typeof color === *string* && color[0] === *#*) {

color = color.slice(1);

}

return window.parseInt(color, 16);

} else {

if (typeof color === *number*) {

color = *#* + (*00000* + (color | 0).toString(16)).substr(-6);

}

return color;

}

};

window.canTool.getMousePos = function (element) {

var mouse = {x: 0, y: 0, event: null},

body_scrollLeft = document.body.scrollLeft,

element_scrollLeft = document.documentElement.scrollLeft,

body_scrollTop = document.body.scrollTop,

element_scrollTop = document.documentElement.scrollTop,

offsetLeft = element.offsetLeft,

offsetTop = element.offsetTop;

element.addEventListener(*mousemove*, function (event) {

var x, y;

if (event.pageX || event.pageY) {

x = event.pageX;

y = event.pageY;

} else {

x = event.clientX + body_scrollLeft + element_scrollLeft;

y = event.clientY + body_scrollTop + element_scrollTop;

}

x -= offsetLeft;

y -= offsetTop;

mouse.x = x;

mouse.y = y;

mouse.event = event;

}, false);

return mouse;

};

window.canTool.getTouchPos = function (element) {

var touch = {x: null, y: null, isPressed: false, event: null},

body_scrollLeft = document.body.scrollLeft,

element_scrollLeft = document.documentElement.scrollLeft,

body_scrollTop = document.body.scrollTop,

element_scrollTop = document.documentElement.scrollTop,

offsetLeft = element.offsetLeft,

offsetTop = element.offsetTop;

element.addEventListener(*touchstart*, function (event) {

touch.isPressed = true;

touch.event = event;

}, false);

element.addEventListener(*touchend*, function (event) {

touch.isPressed = false;

touch.x = null;

touch.y = null;

touch.event = event;

}, false);

element.addEventListener(*touchmove*, function (event) {

var x, y,

touch_event = event.touches[0];

if (touch_event.pageX || touch_event.pageY) {

x = touch_event.pageX;

y = touch_event.pageY;

} else {

x = touch_event.clientX + body_scrollLeft + element_scrollLeft;

y = touch_event.clientY + body_scrollTop + element_scrollTop;

}

x -= offsetLeft;

y -= offsetTop;

touch.x = x;

touch.y = y;

touch.event = event;

}, false);

return touch;

};

window.canTool.colorToRGB = function (color, alpha) {

if (typeof color === *string* && color[0] === *#*) {

color = window.parseInt(color.slice(1), 16);

}

alpha = (alpha === undefined) ? 1 : alpha;

var r = color >> 16 & 0xff,

g = color >> 8 & 0xff,

b = color & 0xff,

a = (alpha < 0) ? 0 : ((alpha > 1) ? 1 : alpha);

if (a === 1) {

return "rgb("+ r +","+ g +","+ b +")";

} else {

return "rgba("+ r +","+ g +","+ b +","+ a +")";

}

};

window.canTool.containsPoint = function (rect, x, y) {

return !(x < rect.x ||

x > rect.x + rect.width ||

y < rect.y ||

y > rect.y + rect.height);

};

window.canTool.intersects = function (rectA, rectB) {

return !(rectA.x + rectA.width < rectB.x ||

rectB.x + rectB.width < rectA.x ||

rectA.y + rectA.height < rectB.y ||

rectB.y + rectB.height < rectA.y);

};

cantool.min.js(压缩版)：

if(!window.requestAnimationFrame){window.requestAnimationFrame=(window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.msRequestAnimationFrame||window.oRequestAnimationFrame||function(callback){return window.setTimeout(callback,17);});}if(!window.cancelAnimationFrame){window.cancelAnimationFrame=(window.cancelRequestAnimationFrame||window.webkitCancelAnimationFrame||window.webkitCancelRequestAnimationFrame||window.mozCancelAnimationFrame||window.mozCancelRequestAnimationFrame||window.msCancelAnimationFrame||window.msCancelRequestAnimationFrame||window.oCancelAnimationFrame||window.oCancelRequestAnimationFrame||window.clearTimeout);}function Ball3d(radius,color){this.x=0;this.y=0;this.xpos=0;this.ypos=0;this.zpos=0;this.vx=0;this.vy=0;this.vz=0;this.radius=radius;this.mass=1;this.rotation=0;this.scaleX=1;this.scaleY=1;this.color=tool.pColor(color);this.lineWidth=1;this.visible=true;}Ball3d.prototype.draw=function(context){context.save();context.translate(this.x,this.y);context.rotate(this.rotation);context.scale(this.scaleX,this.scaleY);context.lineWidth=this.lineWidth;context.fillStyle=this.color;context.beginPath();context.arc(0,0,this.radius,0,(Math.PI*2),true);context.closePath();context.fill();context.stroke();context.restore();};function shipMaker(width,height){this.x=0;this.y=0;this.width=width;this.height=height;this.rotation=0;}shipMaker.prototype.draw=function(context){context.save();context.translate(this.x,this.y);context.rotate(this.rotation);context.lineWidth=1;context.strokeStyle="white";context.beginPath();context.moveTo(10,0);context.lineTo(-10,10);context.lineTo(-5,0);context.lineTo(-10,-10);context.lineTo(10,0);context.stroke();if(this.showFlame){context.beginPath();context.moveTo(-7.5,-5);context.lineTo(-15,0);context.lineTo(-7.5,5);context.stroke();}context.restore();};function Segment(width,height,widthL,color){this.x=0;this.y=0;this.width=width;this.height=height;this.vx=0;this.vy=0;this.rotation=0;this.scaleX=1;this.scaleY=1;this.lineWidth=widthL}Segment.prototype.draw=function(context){var h=this.height;var d=this.width+h;var cr=h/2;context.save();context.translate(this.x,this.y);context.rotate(this.rotation);context.scale(this.scaleX,this.scaleY);context.lineWidth=this.lineWidth;context.beginPath();context.moveTo(0,-cr);context.lineTo(d-h,-cr);context.quadraticCurveTo(-cr+d,-cr,-cr+d,0);context.lineTo(-cr+d,h-2*cr);context.quadraticCurveTo(-cr+d,-cr+h,d-2*cr,-cr+h);context.lineTo(0,-cr+h);context.quadraticCurveTo(-cr,-cr+h,-cr,h-2*cr);context.lineTo(-cr,0);context.quadraticCurveTo(-cr,-cr,0,-cr);context.closePath();context.fill();if(this.lineWidth>0){context.stroke();}};function Slider(min,max,value){this.onchange=null;this.x=0;this.y=0;this.width=16;this.height=100;this.backWidth=4;this.backX=this.width/2-this.backWidth/2;this.handleHeight=6;this.handleY=0;this.updatePosition();}Slider.prototype.draw=function(context){context.save();context.translate(this.x,this.y);context.beginPath();context.fillRect(this.backX,0,this.backWidth,this.height);context.closePath();context.beginPath();context.rect(0,this.handleY,this.width,this.handleHeight);context.closePath();context.fill();context.stroke();context.restore();};Slider.prototype.updateValue=function(){var old_value=this.value;var handleRange=this.height-this.handleHeight;var valueRange=this.max-this,min;this.value=(handleRange-this.handleY)/handleRange*valueRange+this.min;if(typepf this.onchange===*function*this.value!==old_value){this.onchage();}};Slider.prototype.updatePosition=function(){var handleRange=this.height-this.handleHeight;var valueRange=this.max-this.min;this.handleY=handleRange-((this.value-this.min)/valueRange)*handleRange;};Slider.prototype.captureMouse=function(element){var self=this;var mouse=utils.captureMouse(element);bounds=[];setHandleBounds();element.addEventListener(*mousedown*,function(){if(utils.containsPoint(bounds,mouse.x,mouse.y)){element.addEventListener(*mouseup*,onMouseUp,false);element.addEventListener(*mousemove*,onMouseMove,false);}},false);function onMouseUp(){element.removeEventListener(*mousemove*,onMouseMove,false);element.removeEventListener(*mouseup*,onMouseMove,false);setHandleBounds();}function onMouseMove(){var pos_y=mouse.y-self.y;self.handleY=Math.min(self.height-self.handleHeight,Math.max(pos_y,0));self.updateValue();}function setHandleBounds(){bounds.x=self.x;bounds.y=self.y+self.handleY;bounds.width=self.width;bounds.height=self.handleHeight;}};function Point3d(x,y,z){this.x=x;this.y=y;this.z=z;this.fl=250;this.vpx=0;this.vpy=0;this.vpz=0;this.cx=0;this.cy=0;this.cz=0;}Point3d.prototype.setVanishingPoint=function(vpx,vpy){this.vpx=vpx;this.vpy=vpy;};Point3d.prototype.setCenter=function(cx,cy,cz){this.cx=cx;this.cy=cy;this.cz=cz;};Point3d.prototype.rorateX=function(angleX){var cosX=Math.cos(angleX);var sinX=Math.sin(angleX);var y1=this.y*cosX-this.z*sinX;var z1=this.z*cosX+this.y*sinX;this.y=y1;this.z=z1;};Point3d.prototype.rotateY=function(angleY){var cosY=Math.cos(angleY);var sinY=Math.sin(angleY);var x1=this.x*cosY-this.z*sinY;var z1=this.z*cosY+this.x*sinY;this.x=x1;this.z=z1;}function Triangle(a,b,c,color){this.pointA=a;this.pointB=b;this.pointC=c;this.color=(color===undefined)?"#ff0000":canTool.strColor(color);this.lineWidth=1;this.alpha=1;}Triangle.prototype.draw=function(context){if(this.isBackface()){return;}context.save();context.lineWidth=this.lineWidth;context.fillStyle=context.strokeStyle=utils.colorToRGB(this.color,this.alpha);context.beginPath();context.moveTo(this.pointA.getScreenX(),this.pointA.getScreenY());context.lineTo(this.pointB.getScreenX(),this.pointB.getScreenY());context.lineTo(this.pointC.getScreenX(),this.pointC.getScreenY());context.closePath();context.fill();if(this.lineWidth>0){context.stroke();}context.restore();};Triangle.prototype.getDepth=function(){return Math.min(this.pointA.z,this.pointB.z,this.pointC.z);};Triangle.prototype.isBackface=function(){var cax=this.pointC.getScreenX()-this.pointA.getScreenX(),cay=this.pointC.getScreenY()-this.pointA.getScreenY(),bcx=this.pointB.getScreenX()-this.pointC.getScreenX(),bcy=this.pointB.getScreenY()-this.pointC.getScreenY();return cax*bcy>cay*bcx;};function lightTriangle(a,b,c,color){this.pointA=a;this.pointB=b;this.pointC=c;this.color=(color===undefined)?"#ff0000":canTool.strColor(color);this.lineWidth=1;this.alpha=1;this.light=null;}lightTriangle.prototype.draw=function(context){if(this.isBackface()){return;}context.save();context.lineWidth=this.lineWidth;context.fillStyle=context.strokeStyle=this.getAdjustedColor();context.beginPath();context.moveTo(this.pointA.getScreenX(),this.pointA.getScreenY());context.lineTo(this.pointB.getScreenX(),this.pointB.getScreenY());context.lineTo(this.pointC.getScreenX(),this.pointC.getScreenY());context.closePath();context.fill();if(this.lineWidth>0){context.stroke();}context.restore();};lightTriangle.prototype.getDepth=function(){return Math.min(this.pointA.z,this.pointB.z,this.pointC.z);};lightTriangle.prototype.isBackface=function(){var cax=this.pointC.getScreenX()-this.pointA.getScreenX(),cay=this.pointC.getScreenY()-this.pointA.getScreenY(),bcx=this.pointB.getScreenX()-this.pointC.getScreenX(),bcy=this.pointB.getScreenY()-this.pointC.getScreenY();return cax*bcy>cay*bcx;};lightTriangle.prototype.getAdjustedColor=function(){var color=utils.parseColor(this.color,true),red=color>>16,green=color>>8&0xff,blue=color&0xff,lightFactor=this.getLightFactor();red*=lightFactor;green*=lightFactor;blue*=lightFactor;return utils.parseColor(red<<16|green<<8|blue);};lightTriangle.prototype.getLightFactor=function(){var ab={x:this.pointA.x-this.pointB.x,y:this.pointA.y-this.pointB.y,z:this.pointA.z-this.pointB.z};var bc={x:this.pointB.x-this.pointC.x,y:this.pointB.y-this.pointC.y,z:this.pointB.z-this.pointC.z};var norm={x:(ab.y*bc.z)-(ab.z*bc.y),y:-((ab.x*bc.z)-(ab.z*bc.x)),z:(ab.x*bc.y)-(ab.y*bc.x)};var dotProd=norm.x*this.light.x+norm.y*this.light.y+norm.z*this.light.z,normMag=Math.sqrt(norm.x*norm.x+norm.y*norm.y+norm.z*norm.z),lightMag=Math.sqrt(this.light.x*this.light.x+this.light.y*this.light.y+this.light.z*this.light.z);return(Math.acos(dotProd/(normMag*lightMag))/Math.PI)*this.light.brightness;};function Light(x,y,z,brightness){this.x=(x===undefined)?-100:x;this.y=(y===undefined)?-100:y;this.z=(z===undefined)?-100:z;this.brightness=(brightness===undefined)?1:brightness;}Light.prototype.setBrightness=function(b){this.brightness=Math.min(Math.max(b,0),1);};var canTool={};window.canTool.strColor=function(color,toNumber){if(toNumber===true){if(typeof color===*number*){return(color|0);}if(typeof color===*string*&&color[0]===*#*){color=color.slice(1);}return window.parseInt(color,16);}else{if(typeof color===*number*){color=*#*+(*00000*+(color|0).toString(16)).substr(-6);}return color;}};window.canTool.getMousePos=function(element){var mouse={x:0,y:0,event:null},body_scrollLeft=document.body.scrollLeft,element_scrollLeft=document.documentElement.scrollLeft,body_scrollTop=document.body.scrollTop,element_scrollTop=document.documentElement.scrollTop,offsetLeft=element.offsetLeft,offsetTop=element.offsetTop;element.addEventListener(*mousemove*,function(event){var x,y;if(event.pageX||event.pageY){x=event.pageX;y=event.pageY;}else{x=event.clientX+body_scrollLeft+element_scrollLeft;y=event.clientY+body_scrollTop+element_scrollTop;}x-=offsetLeft;y-=offsetTop;mouse.x=x;mouse.y=y;mouse.event=event;},false);return mouse;};window.canTool.getTouchPos=function(element){var touch={x:null,y:null,isPressed:false,event:null},body_scrollLeft=document.body.scrollLeft,element_scrollLeft=document.documentElement.scrollLeft,body_scrollTop=document.body.scrollTop,element_scrollTop=document.documentElement.scrollTop,offsetLeft=element.offsetLeft,offsetTop=element.offsetTop;element.addEventListener(*touchstart*,function(event){touch.isPressed=true;touch.event=event;},false);element.addEventListener(*touchend*,function(event){touch.isPressed=false;touch.x=null;touch.y=null;touch.event=event;},false);element.addEventListener(*touchmove*,function(event){var x,y,touch_event=event.touches[0];if(touch_event.pageX||touch_event.pageY){x=touch_event.pageX;y=touch_event.pageY;}else{x=touch_event.clientX+body_scrollLeft+element_scrollLeft;y=touch_event.clientY+body_scrollTop+element_scrollTop;}x-=offsetLeft;y-=offsetTop;touch.x=x;touch.y=y;touch.event=event;},false);return touch;};window.canTool.colorToRGB=function(color,alpha){if(typeof color===*string*&&color[0]===*#*){color=window.parseInt(color.slice(1),16);}alpha=(alpha===undefined)?1:alpha;var r=color>>16&0xff,g=color>>8&0xff,b=color&0xff,a=(alpha<0)?0:((alpha>1)?1:alpha);if(a===1){return"rgb("+r+","+g+","+b+")";}else{return"rgba("+r+","+g+","+b+","+a+")";}};window.canTool.containsPoint=function(rect,x,y){return!(xrect.x+rect.width||yrect.y+rect.height);};window.canTool.intersects=function(rectA,rectB){return!(rectA.x+rectA.width