3 files changed, 12 insertions, 0 deletions

diff --git a/js/lib/rdge/materials/flag-material.js b/js/lib/rdge/materials/flag-material.js
index 77991a8c..8d4d1ee3 100644
--- a/js/lib/rdge/materials/flag-material.js
+++ b/js/lib/rdge/materials/flag-material.js
@@ -23,6 +23,8 @@ var FlagMaterial = function FlagMaterial() {
     this._defaultWaveWidth = 1.0;
     this._defaultWaveHeight = 1.0;
 
+        this._hasVertexDeformation = true;
+
     ///////////////////////////////////////////////////////////////////////
     // Properties
     ///////////////////////////////////////////////////////////////////////
@@ -37,6 +39,10 @@ var FlagMaterial = function FlagMaterial() {
     this._propValues[ this._propNames[1] ] = this._defaultWaveWidth;
     this._propValues[ this._propNames[2] ] = this._defaultWaveHeight;
 
+        // a material can be animated or not. default is not.  
+        // Any material needing continuous rendering should override this method
+        this.isAnimated = function() {  return true;  };
+
     ///////////////////////////////////////////////////////////////////////
     // Methods
     ///////////////////////////////////////////////////////////////////////
diff --git a/js/lib/rdge/materials/material.js b/js/lib/rdge/materials/material.js
index 13251ce8..a81ca18f 100755
--- a/js/lib/rdge/materials/material.js
+++ b/js/lib/rdge/materials/material.js
@@ -38,6 +38,11 @@ var Material = function GLMaterial( world ) {
         this._shader = null;
         this._materialNode = null;
 
+        // vertex deformation variables
+        this._hasVertexDeformation = false;
+        this._vertexDeformationRange = [0, 0, 1, 1];    // (xMin, yMin, xMax, yMax)
+        this._vertexDeformationTolerance = 0.02;
+
     ///////////////////////////////////////////////////////////////////////
     // Property Accessors
     ///////////////////////////////////////////////////////////////////////
diff --git a/js/lib/rdge/materials/twist-vert-material.js b/js/lib/rdge/materials/twist-vert-material.js
index 2d2cdcc5..802690a2 100644
--- a/js/lib/rdge/materials/twist-vert-material.js
+++ b/js/lib/rdge/materials/twist-vert-material.js
@@ -36,6 +36,7 @@ function TwistVertMaterial()
         this.getShaderName                      = function()    {  return this._shaderName;                             }
 
         this.isAnimated                         = function()    {  return true;                                                 }
+        
         this.hasVertexDeformation       = function()    {  return this._hasVertexDeformation;   }
         this._hasVertexDeformation      = true;
         this._vertexDeformationTolerance = 0.02;        // should be a property