More coloring work of Surface to vert shader

manimlib/shaders/surface/frag.glsl

@@ -1,29 +1,8 @@
 #version 330
 
-uniform vec3 light_source_position;
-uniform vec3 camera_position;
-uniform float reflectiveness;
-uniform float gloss;
-uniform float shadow;
-uniform float focal_distance;
-
-in vec3 xyz_coords;
-in vec3 v_normal;
 in vec4 v_color;
-
 out vec4 frag_color;
 
-#INSERT finalize_color.glsl
-
 void main() {
-    frag_color = finalize_color(
-        v_color,
-        xyz_coords,
-        normalize(v_normal),
-        light_source_position,
-        camera_position,
-        reflectiveness,
-        gloss,
-        shadow
-    );
+    frag_color = v_color;
 }

manimlib/shaders/surface/vert.glsl

@@ -2,6 +2,12 @@
 
 #INSERT camera_uniform_declarations.glsl
 
+uniform vec3 light_source_position;
+uniform vec3 camera_position;
+uniform float reflectiveness;
+uniform float gloss;
+uniform float shadow;
+
 in vec3 point;
 in vec3 du_point;
 in vec3 dv_point;
@@ -14,10 +20,22 @@ out vec4 v_color;
 #INSERT position_point_into_frame.glsl
 #INSERT get_gl_Position.glsl
 #INSERT get_rotated_surface_unit_normal_vector.glsl
+#INSERT finalize_color.glsl
 
 void main(){
     xyz_coords = position_point_into_frame(point);
     v_normal = get_rotated_surface_unit_normal_vector(point, du_point, dv_point);
     v_color = color;
     gl_Position = get_gl_Position(xyz_coords);
+
+    v_color = finalize_color(
+        color,
+        xyz_coords,
+        v_normal,
+        light_source_position,
+        camera_position,
+        reflectiveness,
+        gloss,
+        shadow
+    );
 }