From d6c2c776a7675bbe7ec0945e0b6c691b4e9b95e0 Mon Sep 17 00:00:00 2001
From: Devine Lu Linvega <aliceffekt@gmail.com>
Date: Fri, 17 Nov 2017 19:17:45 +1300
Subject: [PATCH] Display a guide for the mirror brush

---
 sources/scripts/layers/guide.js  | 11 +++++++++++
 sources/scripts/modules/brush.js |  7 +++----
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/sources/scripts/layers/guide.js b/sources/scripts/layers/guide.js
index db06bfc..16ee43b 100644
--- a/sources/scripts/layers/guide.js
+++ b/sources/scripts/layers/guide.js
@@ -19,6 +19,13 @@ function Guide()
     if(this.inspect){
       this.draw_inspector();
     }
+
+    // Brush mirrors
+    for(id in ronin.brush.pointers){
+      var pointer = ronin.brush.pointers[id];
+      if(!pointer.options.mirror){ continue; }
+      units.push({x1:pointer.options.mirror.x,y1:0,x2:pointer.options.mirror.x,y2:ronin.frame.height})
+    }
     
     if(units.length == 0){ return; }
 
@@ -29,6 +36,10 @@ function Guide()
 
   this.draw = function(u = null)
   { 
+    if(u && u.x1 != null && u.y1 != null && u.x2 != null && u.y2 != null){
+      this.draw_line({x:u.x1,y:u.y1},{x:u.x2,y:u.y2})
+    }
+
     if(u && u.x && u.y){
       this.draw_pos(u);
     }
diff --git a/sources/scripts/modules/brush.js b/sources/scripts/modules/brush.js
index 07f2618..93e1f96 100644
--- a/sources/scripts/modules/brush.js
+++ b/sources/scripts/modules/brush.js
@@ -5,8 +5,7 @@ function Brush()
   this.settings = {size:4,color:"#000"};
 
   this.pointers = [
-    new Pointer({offset:{x:0,y:0}}),
-    new Pointer({offset:{x:0,y:0},mirror:{x:400,y:0}})
+    new Pointer({offset:{x:0,y:0}})
   ];
 
   this.ports.speed = new Port(this,"speed",false,true,0,50,"The cursor speed");
@@ -109,8 +108,8 @@ function Pointer(options)
     var ctx = ronin.render.context();
 
     if(this.options.mirror){
-      line.from.x = this.options.mirror.x - line.from.x;
-      line.to.x = this.options.mirror.x - line.to.x;  
+      line.from.x = (this.options.mirror.x *2) - line.from.x;
+      line.to.x = (this.options.mirror.x*2) - line.to.x;  
     }
 
     ctx.beginPath();