From fd4428aafa5db8782af8d0087f230f1eebff82a8 Mon Sep 17 00:00:00 2001
From: Devine Lu Linvega <aliceffekt@gmail.com>
Date: Tue, 15 Nov 2016 11:16:06 -0800
Subject: [PATCH] Progress on radial brush.

---
 README.md                      |  1 +
 scripts/ronin.brush.js         |  7 +++++--
 scripts/ronin.brush.pointer.js | 14 +++++++++++++-
 scripts/unit.command.js        |  8 ++++++++
 4 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 700611d..b0161eb 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,7 @@ $ !                               ; Clear temporary storage
 > 10,0                            ; Add pointer at pos
 > 400x0                           ; Add mirror pointer, at 400x
 > 4 #ff0000                       ; Red brush, Size 4
+> 100,100 45'                     ; Radial brush from position x,y and 45 degrees
 > !                               ; Remove all pointers
 ```
 
diff --git a/scripts/ronin.brush.js b/scripts/ronin.brush.js
index 7d0d811..075cc70 100644
--- a/scripts/ronin.brush.js
+++ b/scripts/ronin.brush.js
@@ -19,7 +19,7 @@ function Brush()
     var pointer = new Pointer();
     
     if(cmd.position()){
-      pointer.position = cmd.position();
+      pointer.offset = cmd.position();
     }
     if(cmd.rect()){
       pointer.mirror = cmd.rect();
@@ -27,7 +27,10 @@ function Brush()
     if(cmd.noise()){
       pointer.noise = cmd.noise();
     }
-    if(cmd.rect() || cmd.position() || cmd.noise()){
+    if(cmd.angle()){
+      pointer.angle = cmd.angle();
+    }
+    if(cmd.rect() || cmd.position() || cmd.noise() || cmd.angle()){
       this.add_pointer(pointer);
     }
     if(cmd.color()){
diff --git a/scripts/ronin.brush.pointer.js b/scripts/ronin.brush.pointer.js
index b052503..38ef231 100644
--- a/scripts/ronin.brush.pointer.js
+++ b/scripts/ronin.brush.pointer.js
@@ -4,6 +4,7 @@ function Pointer(offset = new Position(), color = new Color('000000'))
   this.mirror = null;
   this.noise  = null;
   this.position_prev = null;
+  this.angle = null;
   
   this.draw = function()
   {
@@ -43,7 +44,18 @@ function Pointer(offset = new Position(), color = new Color('000000'))
   
   this.position = function()
   {
-    if(this.mirror && this.mirror.width > 0){
+    if(this.angle){
+      
+      var deltaX = ronin.brush.position.x - this.offset.x;
+      var deltaY = ronin.brush.position.y - this.offset.y;
+      var t = Math.atan2(deltaY, deltaX);
+      var radius = 45;
+      var x = Math.cos(t) * radius;
+      var y = Math.sin(t) * radius;
+      
+      return new Position(x + this.offset.x,y + this.offset.y);
+    }
+    else if(this.mirror && this.mirror.width > 0){
       return new Position(this.mirror.width - (ronin.brush.position.x + this.offset.x), 0 + (ronin.brush.position.y + this.offset.y));
     }
     else if(this.mirror && this.mirror.height > 0){
diff --git a/scripts/unit.command.js b/scripts/unit.command.js
index 6af5798..2004b11 100644
--- a/scripts/unit.command.js
+++ b/scripts/unit.command.js
@@ -58,4 +58,12 @@ function Command(content)
     }
     return null;
   }
+  
+  this.angle = function()
+  {
+    for (i = 0; i < this.content.length; i++) {
+      if(this.content[i].indexOf("'") >= 0){ return parseFloat(this.content[i].replace('\'','')); }
+    }
+    return null;
+  }
 }
\ No newline at end of file