ronin/sources/scripts/cursor.js
Devine Lu Linvega 3b40d555c8 Implemented crop
2017-09-27 12:43:27 +13:00

58 lines
1.4 KiB
JavaScript

function Cursor(rune)
{
this.line = {origin:null,from:null,to:null,destination:null};
this.is_down = false;
this.mouse_down = function(e)
{
e.preventDefault();
ronin.cursor.line.origin = {x:e.clientX,y:e.clientY};
ronin.cursor.line.from = {x:e.clientX,y:e.clientY};
}
this.mouse_move = function(e)
{
e.preventDefault();
if(!ronin.cursor.line.from){ return; }
ronin.cursor.line.to = {x:e.clientX,y:e.clientY};
if(ronin.commander.active_module()){
}
else if(e.altKey){
ronin.eraser.stroke(ronin.cursor.line);
}
else{
ronin.brush.stroke(ronin.cursor.line);
}
ronin.cursor.line.from = {x:e.clientX,y:e.clientY};
}
this.mouse_up = function(e)
{
e.preventDefault();
ronin.cursor.line.destination = {x:e.clientX,y:e.clientY};
if(distance_between(ronin.cursor.line.origin,ronin.cursor.line.destination) > 10){
var offset = ronin.cursor.line.origin.x+","+ronin.cursor.line.origin.y;
var rect = (ronin.cursor.line.destination.x - ronin.cursor.line.origin.x)+"x"+(ronin.cursor.line.destination.y - ronin.cursor.line.origin.y);
ronin.commander.inject(offset+"|"+rect);
}
else{
ronin.commander.inject(e.clientX+","+e.clientY);
}
ronin.cursor.is_down = false;
ronin.cursor.line = {};
}
function distance_between(a,b)
{
return Math.sqrt( (a.x-b.x)*(a.x-b.x) + (a.y-b.y)*(a.y-b.y) );
}
}