diff --git a/.vscode/settings.json b/.vscode/settings.json
index 46eb8be..b9cbf89 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -13,6 +13,7 @@
         "stb_ds.h": "c",
         "threadpool.h": "c",
         "electrosphere_fluidsim.h": "c",
-        "type_traits": "c"
+        "type_traits": "c",
+        "mainfunctions.h": "c"
     }
 }
\ No newline at end of file
diff --git a/src/main/java/electrosphere/FluidSim.java b/src/main/java/electrosphere/FluidSim.java
index 00c9790..c3a45f0 100644
--- a/src/main/java/electrosphere/FluidSim.java
+++ b/src/main/java/electrosphere/FluidSim.java
@@ -160,7 +160,9 @@ public class FluidSim {
     static double lastTime = 0;
     public static void simChunks(FluidSim[][][] simArray, int step, float timestep){
 
-        // simArray[0][1][2].density0ArrayView[5] = 3.0f;
+        simArray[0][1][2].density0ArrayView[IX(10,10,3)] = 3.0f;
+        simArray[2][1][2].density0ArrayView[IX(10,10,3)] = 3.0f;
+        simArray[2][1][0].density0ArrayView[IX(10,10,3)] = 3.0f;
 
         List<FluidSim> chunksToSim = new LinkedList<FluidSim>();
         //
diff --git a/src/main/resources/shader.fs b/src/main/resources/shader.fs
index 905d839..fbf7c6f 100644
--- a/src/main/resources/shader.fs
+++ b/src/main/resources/shader.fs
@@ -10,6 +10,7 @@ vec3 dLDiffuse = vec3(0.5,0.5,0.5);
 
 in vec3 FragPos;
 in vec3 Normal;
+in vec3 rawPos;
 
 
 uniform vec3 viewPos;
@@ -26,7 +27,15 @@ void main(){
     
     vec3 lightAmount = CalcDirLight(norm, viewDir);
 
-    vec3 color = vec3(0.3,0.7,0.9) * lightAmount;
+    vec3 color = vec3(0.3,0.7,0.9);
+    if(
+        rawPos.x < 2 || rawPos.x > 16 ||
+        rawPos.y < 2 || rawPos.y > 16 ||
+        rawPos.z < 2 || rawPos.z > 16
+    ){
+        color = vec3(0.9,0.7,0.3);
+    }
+    color = color * lightAmount;
 
     //this final calculation is for transparency
     FragColor = vec4(color,1.0);
diff --git a/src/main/resources/shader.vs b/src/main/resources/shader.vs
index a2b344b..97b0628 100644
--- a/src/main/resources/shader.vs
+++ b/src/main/resources/shader.vs
@@ -16,6 +16,7 @@ uniform mat4 projection;
 //output buffers
 out vec3 Normal;
 out vec3 FragPos;
+out vec3 rawPos;
 
 
 
@@ -29,6 +30,7 @@ void main() {
     //push frag, normal, and texture positions to fragment shader
     FragPos = vec3(model * FinalVertex);
     Normal = mat3(transpose(inverse(model))) * aNormal;
+    rawPos = aPos;
 
     
     //set final position with opengl space