From 93eed8ef570d45fcbf53993d59ba64d9f9bb1c95 Mon Sep 17 00:00:00 2001
From: Livingroom <livingroom@recoil.local>
Date: Wed, 14 Dec 2011 16:00:28 +0100
Subject: [PATCH] Added a z coordinate to MultiTouchXY

z is for Touch Up / Down.
Is being send if sendZValue is true (by default false).
---
 www/js/MultiTouchXY.js | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/www/js/MultiTouchXY.js b/www/js/MultiTouchXY.js
index 4a62b21..9ba2f1f 100644
--- a/www/js/MultiTouchXY.js
+++ b/www/js/MultiTouchXY.js
@@ -4,6 +4,8 @@ function MultiTouchXY(ctx, props) {
     this.make(ctx, props);
 	this.xvalue = this.min;
 	this.yvalue = this.min;
+     this.zvalue = false;
+    this.sendZValue = (typeof props.sendZValue == "undefined") ? false : props.sendZValue;
 	this.half = (this.width / 8) / 2;
 	this.maxTouches = props.maxTouches > 0 ? props.maxTouches : 1;
 	this.children = [];
@@ -73,7 +75,7 @@ MultiTouchXY.prototype.addTouch = function(xPos, yPos, id) {
     touch.activeNumber = this.children.length;
     $(touch).text(touch.activeNumber);    
     this.container.appendChild(touch);
-    //this.changeValue(touch, xPos, yPos);
+    this.changeValue(touch, xPos, yPos, 1);
 }
 
 MultiTouchXY.prototype.removeTouch = function(touchToRemove) {
@@ -106,7 +108,7 @@ MultiTouchXY.prototype.trackTouch = function(xPos, yPos, id) {
     touchFound.id = id;
     touchFound.isActive = true;
     if(touchFound != null)
-        this.changeValue(touchFound, xPos, yPos);
+        this.changeValue(touchFound, xPos, yPos, 1);
     
     this.lastTouched = touchFound;
 }
@@ -130,7 +132,7 @@ MultiTouchXY.prototype.event = function(event) {
                 for(var t = 0; t < this.children.length; t++) {
                     _t = this.children[t];
                     if(touch.identifier == _t.id) {
-                        this.changeValue(_t, touch.pageX, touch.pageY);
+                        this.changeValue(_t, touch.pageX, touch.pageY, 1);
                         eval(this.ontouchmove);
                         break;
                     }
@@ -141,6 +143,9 @@ MultiTouchXY.prototype.event = function(event) {
                 for(var t = 0; t < this.children.length; t++) {
                     _t = this.children[t];
                     if(touch.identifier == _t.id) {
+                        if(this.sendZValue){
+                            this.changeValue(_t, touch.pageX, touch.pageY, 0);
+                        }
                         eval(this.ontouchend);
                         if(this.isMomentary) {
                             this.removeTouch(_t);
@@ -155,7 +160,7 @@ MultiTouchXY.prototype.event = function(event) {
     }
 }
 
-MultiTouchXY.prototype.changeValue = function(touch, inputX, inputY) {
+MultiTouchXY.prototype.changeValue = function(touch, inputX, inputY, inputZ) {
     var xLeft   = inputX - this.half;
     var xRight  = inputX + this.half;
     var yTop    = inputY - this.half;
@@ -207,6 +212,7 @@ MultiTouchXY.prototype.changeValue = function(touch, inputX, inputY) {
         this.xvalue = Math.round(this.min + (touch.xpercentage * range));
         this.yvalue = Math.round(this.min + (touch.ypercentage * range));
     }
+    this.zvalue = inputZ;
     
     if(this.onvaluechange != null) eval(this.onvaluechange);
     if(!this.isLocal) this.output(touch);
@@ -262,6 +268,9 @@ MultiTouchXY.prototype.output = function(touch) {
           valueString += "/" + touch.activeNumber;
         }
         valueString += ":" + this.xvalue + "," + this.yvalue;
+        if(this.sendZValue){
+            valueString += ","+this.zvalue;	
+        }
     }else if(_protocol == "MIDI") {
         var xnum = this.midiNumber + (touch.activeNumber * 2) - 2;
         var ynum = xnum + 1;