shader modifs

assets/shaders/mask.fs

@@ -4,6 +4,7 @@ precision mediump float;
 
 // Input vertex attributes (from vertex shader)
 varying vec3 fragPosition;
+varying vec3 fragNormal;
 varying vec2 fragTexCoord;
 
 uniform sampler2D texture0;
@@ -13,7 +14,9 @@ void main() {
     // Texel color fetching from texture sampler
 
     // NOTE: Implement here your fragment shader code
-    vec4 tmp = texture2D(texture0, fragTexCoord);
+    vec4 tmp;
+    tmp.rgb = texture2D(texture0, fragTexCoord).rgb;
+
 
     tmp.a = alpha;
 

assets/shaders/mask.vs

@@ -98,6 +98,7 @@ uniform float radius;
 varying vec3 fragPosition;
 varying vec2 fragTexCoord;
 varying vec4 fragColor;
+varying vec3 fragNormal;
 
 // NOTE: Add here your custom variables 
 
@@ -105,6 +106,7 @@ void main() {
     // Send vertex attributes to fragment shader
     fragPosition = vertexPosition + vertexPosition * vec3(cnoise(vec3(vertexNormal + vec3(frame))) * 0.5);
     fragColor = vertexColor;
+    fragNormal = vertexNormal;
     fragTexCoord = vertexTexCoord;
     // Calculate final vertex position
     gl_Position = mvp * vec4(fragPosition , radius);