[DOCS] - Complete Engine docs

doc/classes/Engine.xml

@@ -1,8 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <class name="Engine" inherits="Object" category="Core" version="3.0.alpha.custom_build">
 	<brief_description>
+		Access to basic engine properties.
 	</brief_description>
 	<description>
+		The [Engine] class allows you to query and modify the game's run-time parameters, such as frames per second, time scale, and others.
 	</description>
 	<tutorials>
 	</tutorials>
@@ -13,7 +15,7 @@
 			<return type="int">
 			</return>
 			<description>
-				Return the total amount of frames drawn.
+				Returns the total number of frames drawn.
 			</description>
 		</method>
 		<method name="get_frames_per_second" qualifiers="const">
@@ -27,26 +29,28 @@
 			<return type="int">
 			</return>
 			<description>
-				Return the amount of fixed iterations per second (for fixed process and physics).
+				Returns the number of fixed iterations per second (for fixed process and physics).
 			</description>
 		</method>
 		<method name="get_main_loop" qualifiers="const">
 			<return type="MainLoop">
 			</return>
 			<description>
-				Return the main loop object (see [MainLoop] and [SceneTree]).
+				Returns the main loop object (see [MainLoop] and [SceneTree]).
 			</description>
 		</method>
 		<method name="get_target_fps" qualifiers="const">
 			<return type="float">
 			</return>
 			<description>
+				Returns the desired frames per second. If the hardware cannot keep up, this setting may not be respected. It defaults to 0, which indicates no limit.
 			</description>
 		</method>
 		<method name="get_time_scale">
 			<return type="float">
 			</return>
 			<description>
+				Returns how fast or slow the in-game clock ticks versus the real life one. It defaults to 1.0. A value of 2.0 means the game moves twice as fast as real life, whilst a value of 0.5 means the game moves at half the regular speed.
 			</description>
 		</method>
 		<method name="get_version_info" qualifiers="const">
@@ -67,12 +71,14 @@
 			<return type="bool">
 			</return>
 			<description>
+				Returns [code]true[/code] if the editor is running.
 			</description>
 		</method>
-		<method name="is_in_fixed_frame" qualifiers="const">
+		<method name="is_in_physics_frame" qualifiers="const">
 			<return type="bool">
 			</return>
 			<description>
+				Returns [code]true[/code] if the game is inside the fixed process and physics phase of the game loop.
 			</description>
 		</method>
 		<method name="set_editor_hint">
@@ -81,6 +87,7 @@
 			<argument index="0" name="enabled" type="bool">
 			</argument>
 			<description>
+				Sets the running inside the editor hint if [code]enabled[/code] is [code]true[/code].
 			</description>
 		</method>
 		<method name="set_iterations_per_second">
@@ -89,7 +96,7 @@
 			<argument index="0" name="iterations_per_second" type="int">
 			</argument>
 			<description>
-				Set the amount of fixed iterations per second (for fixed process and physics).
+				Sets the number of fixed iterations per second (for fixed process and physics).
 			</description>
 		</method>
 		<method name="set_target_fps">
@@ -98,6 +105,7 @@
 			<argument index="0" name="target_fps" type="int">
 			</argument>
 			<description>
+				Sets the target frames per second.
 			</description>
 		</method>
 		<method name="set_time_scale">
@@ -106,6 +114,7 @@
 			<argument index="0" name="time_scale" type="float">
 			</argument>
 			<description>
+				Sets the time scale.
 			</description>
 		</method>
 	</methods>