ronin/scripts/units/position.js
2016-12-09 05:22:55 -07:00

37 lines
944 B
JavaScript

function Position(position_str = "0,0",y = null)
{
Unit.call(this);
this.example = "100,150";
this.position_str = position_str;
this.x = y ? position_str : parseFloat(this.position_str.split(",")[0]);
this.y = y ? y : parseFloat(this.position_str.split(",")[1]);
this.is_equal = function(target)
{
if(target.x == this.x && target.y == this.y){ return true; }
return null;
}
this.distance_to = function(target)
{
if(!target){ return 0; }
return Math.sqrt( (this.x-target.x)*(this.x-target.x) + (this.y-target.y)*(this.y-target.y) );
}
this.normalize = function(rect)
{
if(this.x < 0){
this.x = ronin.canvas.element.width - rect.width - Math.abs(this.x);
}
if(this.y < 0){
this.y = ronin.canvas.element.height - rect.height - Math.abs(this.y);
}
}
this.render = function()
{
return (isNaN(this.x) ? 0 : this.x)+","+(isNaN(this.y) ? 0 : this.y);
}
}