From 4cf879618fdad600563fb4ea3d958f5c40840781 Mon Sep 17 00:00:00 2001
From: Mr F <somemail256@gmail.com>
Date: Sun, 31 May 2015 17:03:57 +0300
Subject: [PATCH 1/3] sort additivealpha

---
 src/scene/scene_forwardrenderer.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/scene/scene_forwardrenderer.js b/src/scene/scene_forwardrenderer.js
index f4a99120926..3a47124095e 100644
--- a/src/scene/scene_forwardrenderer.js
+++ b/src/scene/scene_forwardrenderer.js
@@ -561,6 +561,7 @@ pc.extend(pc, function () {
             this.culled = [];
             var meshPos;
             var visible;
+            var btype;
 
             // Calculate the distance of transparent meshes from the camera
             // and cull too
@@ -586,7 +587,10 @@ pc.extend(pc, function () {
                         }
 
                         if (visible) {
-                            if ((meshInstance.material.blendType === pc.BLEND_NORMAL) || (meshInstance.material.blendType === pc.BLEND_PREMULTIPLIED)) {
+                            btype = meshInstance.material.blendType;
+                            if (btype === pc.BLEND_NORMAL
+                                || btype === pc.BLEND_PREMULTIPLIED
+                                || btype === pc.BLEND_ADDITIVEALPHA) {
                                 // alpha sort
                                 if (! meshPos) meshPos = meshInstance.aabb.center;
                                 var tempx = meshPos.x - camPos.x;

From 9699c723a82bfd764e7392942979dc5fa4b1c5a4 Mon Sep 17 00:00:00 2001
From: Mr F <somemail256@gmail.com>
Date: Sun, 31 May 2015 17:14:10 +0300
Subject: [PATCH 2/3] fix alpha sort

---
 src/scene/scene_forwardrenderer.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/scene/scene_forwardrenderer.js b/src/scene/scene_forwardrenderer.js
index 3a47124095e..1f9cf4966ee 100644
--- a/src/scene/scene_forwardrenderer.js
+++ b/src/scene/scene_forwardrenderer.js
@@ -569,6 +569,7 @@ pc.extend(pc, function () {
             for (i = 0; i < drawCallsCount; i++) {
                 drawCall = drawCalls[i];
                 visible = true;
+                meshPos = null;
                 if (!drawCall.command) {
                     if (drawCall._hidden) continue; // use _hidden property to quickly hide/show meshInstances
                     meshInstance = drawCall;
@@ -592,7 +593,7 @@ pc.extend(pc, function () {
                                 || btype === pc.BLEND_PREMULTIPLIED
                                 || btype === pc.BLEND_ADDITIVEALPHA) {
                                 // alpha sort
-                                if (! meshPos) meshPos = meshInstance.aabb.center;
+                                if (!meshPos) meshPos = meshInstance.aabb.center;
                                 var tempx = meshPos.x - camPos.x;
                                 var tempy = meshPos.y - camPos.y;
                                 var tempz = meshPos.z - camPos.z;

From 0225f6be0a4d52883a7077aa0ce6d1a884961534 Mon Sep 17 00:00:00 2001
From: Mr F <somemail256@gmail.com>
Date: Sun, 31 May 2015 17:15:10 +0300
Subject: [PATCH 3/3] actually don't sort additivealpha

---
 src/scene/scene_forwardrenderer.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/scene/scene_forwardrenderer.js b/src/scene/scene_forwardrenderer.js
index 1f9cf4966ee..bc45b558efd 100644
--- a/src/scene/scene_forwardrenderer.js
+++ b/src/scene/scene_forwardrenderer.js
@@ -590,8 +590,7 @@ pc.extend(pc, function () {
                         if (visible) {
                             btype = meshInstance.material.blendType;
                             if (btype === pc.BLEND_NORMAL
-                                || btype === pc.BLEND_PREMULTIPLIED
-                                || btype === pc.BLEND_ADDITIVEALPHA) {
+                                || btype === pc.BLEND_PREMULTIPLIED) {
                                 // alpha sort
                                 if (!meshPos) meshPos = meshInstance.aabb.center;
                                 var tempx = meshPos.x - camPos.x;