diff --git a/zoneb/bin/data/shaders/bound.frag b/zoneb/bin/data/shaders/bound.frag
index 75fc38d..6cbab4e 100644
--- a/zoneb/bin/data/shaders/bound.frag
+++ b/zoneb/bin/data/shaders/bound.frag
@@ -105,6 +105,8 @@ void main() {
   gl_FragColor = vec4(dispColor, 1.0);
   gl_FragColor += pointCloudColor; // not good
 
+  // gl_FragColor = texture2D(u_depth, st) * 100; 
+
 #endif
 
 }
\ No newline at end of file
diff --git a/zoneb/bin/data/shaders/render.frag b/zoneb/bin/data/shaders/render.frag
index 911ea12..8808cf4 100644
--- a/zoneb/bin/data/shaders/render.frag
+++ b/zoneb/bin/data/shaders/render.frag
@@ -10,5 +10,6 @@ in vec2 gTexCoord;
 
 void main()
 {
-    gl_FragColor = texture2D(uColorTex, gTexCoord);
+    // gl_FragColor = texture2D(uColorTex, gTexCoord);
+    gl_FragColor = vec4(1);
 }
\ No newline at end of file
diff --git a/zoneb/bin/data/shaders/render.vert b/zoneb/bin/data/shaders/render.vert
index a885a5f..f0144b6 100644
--- a/zoneb/bin/data/shaders/render.vert
+++ b/zoneb/bin/data/shaders/render.vert
@@ -21,7 +21,7 @@ flat out int vValid;
 
 void main()
 {
-    vTexCoord = vec2(gl_InstanceID % uFrameSize.x, gl_InstanceID / uFrameSize.x)/u_resolution;
+    vTexCoord = vec2(gl_InstanceID % uFrameSize.x, gl_InstanceID / uFrameSize.x)/vec2(512,424);
 
     float depth = texture2D(uDepthTex, vTexCoord).x;
     vec4 ray = texture2D(uWorldTex, vTexCoord);