From 1bae2dee459b1f542ef2c0e24f3cb3aae98bc571 Mon Sep 17 00:00:00 2001
From: liabru <liabru@brm.io>
Date: Wed, 3 May 2017 21:42:41 +0100
Subject: [PATCH] fix soft body stiffness

---
 examples/cloth.js         | 3 ++-
 src/factory/Composites.js | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/examples/cloth.js b/examples/cloth.js
index 7586cf0..001fca7 100644
--- a/examples/cloth.js
+++ b/examples/cloth.js
@@ -34,7 +34,8 @@ Example.cloth = function() {
     // add bodies
     var group = Body.nextGroup(true),
         particleOptions = { friction: 0.00001, collisionFilter: { group: group }, render: { visible: false }},
-        cloth = Composites.softBody(200, 200, 20, 12, 5, 5, false, 8, particleOptions);
+        constraintOptions = { stiffness: 0.06 },
+        cloth = Composites.softBody(200, 200, 20, 12, 5, 5, false, 8, particleOptions, constraintOptions);
 
     for (var i = 0; i < 20; i++) {
         cloth.bodies[i].isStatic = true;
diff --git a/src/factory/Composites.js b/src/factory/Composites.js
index c6c75c7..7ef9f3f 100644
--- a/src/factory/Composites.js
+++ b/src/factory/Composites.js
@@ -317,7 +317,7 @@ var Bodies = require('./Bodies');
      */
     Composites.softBody = function(xx, yy, columns, rows, columnGap, rowGap, crossBrace, particleRadius, particleOptions, constraintOptions) {
         particleOptions = Common.extend({ inertia: Infinity }, particleOptions);
-        constraintOptions = Common.extend({ stiffness: 0.4 }, constraintOptions);
+        constraintOptions = Common.extend({ stiffness: 0.2 }, constraintOptions);
 
         var softBody = Composites.stack(xx, yy, columns, rows, columnGap, rowGap, function(x, y) {
             return Bodies.circle(x, y, particleRadius, particleOptions);