feat: better shader in eevee

feat: add more control to transform node
feat: add env light to reduse volume shadow in eevee

bioxelnodes/operators/misc.py

@@ -274,3 +274,37 @@ class Help(bpy.types.Operator):
             'https://omoolab.github.io/BioxelNodes/latest/', new=2)
 
         return {'FINISHED'}
+
+
+class AddEeveeEnv(bpy.types.Operator):
+    bl_idname = "bioxelnodes.add_eevee_env"
+    bl_label = "Add EEVEE Env Light"
+    bl_description = "To make volume shadow less dark"
+
+    def execute(self, context):
+        bpy.ops.object.light_add(
+            type='POINT', align='WORLD', location=(0, 0, 0), scale=(1, 1, 1))
+        light_obj = bpy.context.active_object
+        light_obj.name = "EeveeEnv"
+        light_obj.data.shadow_soft_size = 100
+        light_obj.data.energy = 1e+06
+        light_obj.data.color = (0.1, 0.1, 0.1)
+        light_obj.data.use_shadow = False
+        light_obj.data.diffuse_factor = 0
+        light_obj.data.specular_factor = 0
+        light_obj.data.transmission_factor = 0
+
+        light_obj.hide_select = True
+        light_obj.lock_location[0] = True
+        light_obj.lock_location[1] = True
+        light_obj.lock_location[2] = True
+        light_obj.lock_rotation[0] = True
+        light_obj.lock_rotation[1] = True
+        light_obj.lock_rotation[2] = True
+        light_obj.lock_scale[0] = True
+        light_obj.lock_scale[1] = True
+        light_obj.lock_scale[2] = True
+
+        bpy.context.scene.eevee.use_volumetric_shadows = True
+
+        return {'FINISHED'}