diff --git a/Shader/phong.fsh b/Shader/phong.fsh
index 4d1dac2..0f566c9 100644
--- a/Shader/phong.fsh
+++ b/Shader/phong.fsh
@@ -51,8 +51,8 @@ float sampleDirectionalShadow(sampler2DShadow shadowMap, vec4 shadowCoord) {
     float visibility = 1.0;
     float bias = 0.001*tan(acos(clamp(dot(vNormal, -directionalLightVector), 0.0, 1.0)));
     bias = clamp(bias, 0.0, 0.01);
-    /*for (int i=0; i<4; i++) {
-        visibility -= directionalIntensity/16*(1.0-texture(shadowMap, vec3(shadowCoord.xy + poissonDisk[i]/700.0, (2.0 * nearPlane)/(farPlane+ nearPlane - shadowCoord.z * (farPlane - nearPlane))- bias)));
+    for (int i=0; i<4; i++) {
+        visibility -= directionalIntensity/16*(1.0-texture(shadowMap, vec3(shadowCoord.xy + poissonDisk[i]/700.0, shadowCoord.z - bias)));
     }
     if (visibility == 1.0-(directionalIntensity/16)*4)
     {
@@ -60,11 +60,10 @@ float sampleDirectionalShadow(sampler2DShadow shadowMap, vec4 shadowCoord) {
     }
     else if (visibility != 1.0) {
         for (int i=0; i<12; i++) {
-            visibility -= directionalIntensity/16*(1.0-texture(shadowMap, vec3(shadowCoord.xy + poissonDisk[i]/700.0, (2.0 * nearPlane)/(farPlane+ nearPlane - shadowCoord.z * (farPlane - nearPlane))- bias)));
+            visibility -= directionalIntensity/16*(1.0-texture(shadowMap, vec3(shadowCoord.xy + poissonDisk[i]/700.0, shadowCoord.z - bias)));
         }
-    }*/
-    visibility = texture(shadowMap, vec3(shadowCoord.xy, (shadowCoord.z - bias)/shadowCoord.w));
-    return (2.0 * nearPlane) / (farPlane + nearPlane - visibility * (farPlane - nearPlane));
+    }
+    return visibility;
 }
 
 float samplePointShadow(samplerCubeShadow shadowMap, vec3 lightDirection) {