diff --git a/grafika_projekt/shaders/bubble.frag b/grafika_projekt/shaders/bubble.frag
index 8b94a78..c37f35e 100644
--- a/grafika_projekt/shaders/bubble.frag
+++ b/grafika_projekt/shaders/bubble.frag
@@ -1,5 +1,5 @@
 #version 330 core
-out vec4 gl_FragColor;
+
 
 uniform sampler2D textureSampler;
 in vec3 fragPos;
@@ -9,8 +9,9 @@ uniform vec3 cameraPos;
 uniform samplerCube skybox;
 
 void main()
-{             
+{   
+    float ratio = 1.00 / 1.52;
     vec3 I = normalize(fragPos - cameraPos);
-    vec3 R = reflect(I, normalize(interpNormal));
-    gl_FragColor = vec4(texture(skybox, R).rgb, 1.0);
+    vec3 R = refract(I, normalize(interpNormal),ratio);
+    gl_FragColor = vec4(texture(textureSampler, R).rgb, 1.0);
 }
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diff --git a/grafika_projekt/shaders/bubble.vert b/grafika_projekt/shaders/bubble.vert
index ad5fa24..ee1d9c6 100644
--- a/grafika_projekt/shaders/bubble.vert
+++ b/grafika_projekt/shaders/bubble.vert
@@ -10,7 +10,7 @@ uniform mat4 modelViewProjectionMatrix;
 
 void main()
 {
-    gl_Position = modelViewProjectionMatrix * vec4(vertexPosition, 1.0);
-	interpNormal = (modelMatrix * vec4(vertexNormal, 0.0)).xyz;
-	fragPos = (modelMatrix*vec4(vertexPosition,1)).xyz;
+	interpNormal = mat3(transpose(inverse(modelMatrix))) * vertexNormal;
+	fragPos = vec3(modelMatrix * vec4(vertexPosition, 1.0));
+	gl_Position = modelViewProjectionMatrix * vec4(vertexPosition, 1.0);
 }
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