Add a missed shader

data/shaders/object_pass2.frag

@@ -6,11 +6,15 @@ uniform sampler2D Albedo;
 uniform sampler2D SpecMap;
 #endif
 
+uniform vec2 color_change;
+
 in vec2 uv;
 in vec4 color;
 out vec4 FragColor;
 
 vec3 getLightFactor(vec3 diffuseMatColor, vec3 specularMatColor, float specMapValue, float emitMapValue);
+float rgbToValue(vec3 c);
+vec3 hsvToRgb(vec3 c);
 
 void main(void)
 {
@@ -22,6 +26,13 @@ void main(void)
 #else
     vec4 col = texture(Albedo, uv);
 #endif
+
+    if (color_change.x > 0)
+    {
+        vec3 new_color = hsvToRgb(vec3(color_change.x, color_change.y, rgbToValue(col.rgb)));
+        col = vec4(new_color.b, new_color.g, new_color.r, col.a);
+    }
+
     col.xyz *= pow(color.xyz, vec3(2.2));
     float specmap = texture(SpecMap, uv).g;
     float emitmap = texture(SpecMap, uv).b;