pointvec/sources/scripts/pos.js

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function Pos(x,y)
{
this.x = x;
this.y = y;
this.toString = function()
{
return x+","+y;
}
this.sub = function(pos2)
{
return new Pos(this.x - pos2.x,this.y - pos2.y)
}
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this.add = function(pos2)
{
return new Pos(this.x + pos2.x,this.y + pos2.y)
}
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this.is_equal = function(pos2)
{
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return Math.abs(pos2.x) == Math.abs(this.x) && Math.abs(pos2.y) == Math.abs(this.y);
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}
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this.scale = function(a)
{
return new Pos(this.x*a,this.y*a)
}
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this.mirror = function(x = -1,y = 1)
{
return new Pos(this.x * x,this.y * y);
}
this.clamp = function(min,max)
{
return new Pos(clamp(this.x,min,max),clamp(this.y,min,max));
}
function clamp(v, min, max) { return v < min ? min : v > max ? max : v; }
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}