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Implemented undo/redo

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This commit is contained in:
Devine Lu Linvega
2018-02-01 09:21:59 +13:00
parent 698644c3a7
commit cfc49dc435
7 changed files with 60 additions and 62 deletions
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34
sources/scripts/dotgrid.js
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@@ -241,14 +241,12 @@ function Dotgrid(width,height,grid_x,grid_y,block_x,block_y,thickness = 3,lineca
}
this.segments = this.history.prev();
console.log(this.history.a)
this.draw();
}
this.redo = function()
{
this.segments = this.history.next();
console.log(this.history.a)
this.draw();
}
@@ -281,6 +279,22 @@ function Dotgrid(width,height,grid_x,grid_y,block_x,block_y,thickness = 3,lineca
this.draw();
}
this.translate = function(t)
{
for(id in dotgrid.segments){
var segment = dotgrid.segments[id];
if(segment.from && segment.from.is_equal(dotgrid.translation.from)){ segment.from = new Pos(-dotgrid.translation.to.x,dotgrid.translation.to.y)}
if(segment.to && segment.to.is_equal(dotgrid.translation.from)){ segment.to = new Pos(-dotgrid.translation.to.x,dotgrid.translation.to.y)}
if(segment.end && segment.end.is_equal(dotgrid.translation.from)){ segment.end = new Pos(-dotgrid.translation.to.x,dotgrid.translation.to.y)}
}
dotgrid.history.push(dotgrid.segments);
dotgrid.translation = null;
dotgrid.reset();
dotgrid.draw();
}
// STROKE
this.draw_line = function()
@@ -449,22 +463,6 @@ function Dotgrid(width,height,grid_x,grid_y,block_x,block_y,thickness = 3,lineca
return false;
}
this.translate = function(t)
{
for(id in dotgrid.segments){
var segment = dotgrid.segments[id];
if(segment.from && segment.from.is_equal(dotgrid.translation.from)){ segment.from = new Pos(-dotgrid.translation.to.x,dotgrid.translation.to.y)}
if(segment.to && segment.to.is_equal(dotgrid.translation.from)){ segment.to = new Pos(-dotgrid.translation.to.x,dotgrid.translation.to.y)}
if(segment.end && segment.end.is_equal(dotgrid.translation.from)){ segment.end = new Pos(-dotgrid.translation.to.x,dotgrid.translation.to.y)}
}
dotgrid.translation = null;
dotgrid.reset();
dotgrid.history.push(dotgrid.segments);
dotgrid.draw();
}
this.preview = function(operation)
{
if(from && to && operation == "line"){