Immediate stop when no accelleration seems to work.

lib/classes/movement_state_receiver.gd

@@ -137,14 +137,12 @@ func _on_state_change(old_state_name:String, new_state :State):
 	#current_state = new_state
 
 ## Side effects for these variables
-# velocity 
+# velocity - doesn't change but uses it to set base calculations
-# momentum 
-# acceleration 
 # accepts the state to determine movement, the deltatime, and an optional direction 
 # Update: Actually should just return movement in PPS
 ##
-var calc_inertia = velocity.abs()
+#var calc_inertia = velocity.abs()
-var calc_inertial_dir :Vector2
+#var calc_inertial_dir :Vector2
 var debug_speed_tracker :Vector2
 func new_move_actor_as_desired(_delta :float,
 		_state :StateAnimatedActor,
@@ -160,9 +158,12 @@ func new_move_actor_as_desired(_delta :float,
 	}
 	var calc_velocity = Vector2.ZERO
 	var calc_acceleration = Vector2.ZERO
-	#var calc_inertia = Vector2.ZERO
+	var calc_inertia :Vector2
-	#var calc_inertia = inertia
+	calc_inertia.x = abs(velocity.x)
-
+	##TODO: Only implemented horizontal so far.
+	calc_inertia.y = velocity.y
+	var calc_inertial_dir = Vector2(sign(velocity.x),sign(velocity.y))
+	var calc_friction :Vector2 = Vector2.ZERO
 	
 	## Inertia only applies if there is a difference between the 
 	# base move speed and a derived move speed. This makes it so all you
@@ -182,18 +183,34 @@ func new_move_actor_as_desired(_delta :float,
 
 	calc_acceleration.x = resolve_h_acceleration(movement_params, h_speed, move_direction.x)
 
+	## Direction of inertia not equal to move direction
+	if calc_inertial_dir.x:
+		if calc_inertial_dir.x != sign(move_direction.x):
+			## flip the direction of acceleration
+			calc_acceleration.x *= -1
+
 	## if we have a difference of speed
 	if h_speed.x != h_speed.y:
 		debug_speed_tracker = h_speed
-		if calc_inertia.x == 0.0:
+		## Clamp inertia to in between speed.
-			#calc_inertia.x = lerp( h_speed.x , h_speed.y, calc_acceleration.x * _delta)
+		# Problem is that we can suddenly gain or lose inertia.
-			calc_inertia.x = clamp( calc_inertia.x + (calc_acceleration.x * _delta),
+		##
-								h_speed.x , h_speed.y)
+		calc_inertia.x = clamp( calc_inertia.x + (calc_acceleration.x * _delta),
-		else:
+							h_speed.x , h_speed.y)
-			#calc_inertia.x = lerp( calc_inertia.x, h_speed.y, calc_acceleration.x * _delta)
+
-			calc_inertia.x = clamp( calc_inertia.x + ( calc_acceleration.x * _delta),
+		## Disable this for now hopefully inertial acceleration flip removes this
-								calc_inertia.x, h_speed.y)
+		## Update: it mostly did. Going to keep this here for a while though.
-	elif calc_inertia.x != 0.0: ## We still have inertia
+		# The above problem may need a few different scenarios when there is already
+		# applied inertia.
+#		if calc_inertia.x == 0.0:
+#			#calc_inertia.x = lerp( h_speed.x , h_speed.y, calc_acceleration.x * _delta)
+#			calc_inertia.x = clamp( calc_inertia.x + (calc_acceleration.x * _delta),
+#								h_speed.x , h_speed.y)
+#		else:
+#			#calc_inertia.x = lerp( calc_inertia.x, h_speed.y, calc_acceleration.x * _delta)
+#			calc_inertia.x = clamp( calc_inertia.x + ( calc_acceleration.x * _delta),
+#								calc_inertia.x, h_speed.y)
+	elif calc_inertia.x != 0.0: ## We still have inertia but no difference in movement
 		if calc_acceleration.x != 0.0: # We are applying acceleration
 			if calc_inertia.x > h_speed.x:
 				calc_inertia.x = clamp( calc_inertia.x +  ( calc_acceleration.x * _delta),
@@ -204,45 +221,56 @@ func new_move_actor_as_desired(_delta :float,
 		else: ## No longer applying acceleration
 			## Neutralize the inertia? but how?
 			## Recalc the acceleration with inertia 
-			var friction :Vector2
+			#var friction :Vector2
-			friction.x =  resolve_h_acceleration(movement_params,Vector2(calc_inertia.x, h_speed.x),  move_direction.x)
+			calc_friction.x =  resolve_h_acceleration(movement_params,Vector2(calc_inertia.x, h_speed.x),  move_direction.x)
-			if friction.x != 0.0: ## No dapening acceleration applies
+			if calc_friction.x != 0.0: ## No dapening acceleration applies
 				if calc_inertia.x > h_speed.x: ## Inertia is higher than the base speed (slow it down)
-					calc_inertia.x = clamp( calc_inertia.x +  ( friction.x * _delta),
+					calc_inertia.x = clamp( calc_inertia.x +  ( calc_friction.x * _delta),
 											h_speed.x, calc_inertia.x)
 				else: ## Inertia lower than base speed (we need to catch up)
-					calc_inertia.x = clamp( calc_inertia.x +  ( friction.x * _delta),
+					calc_inertia.x = clamp( calc_inertia.x +  ( calc_friction.x * _delta),
 											calc_inertia.x, h_speed.x)
 			else:
 				## no residual acceleration (friction) applies, kill the momentum
 				calc_inertia.x = 0.0
+				calc_inertial_dir.x = 0.0
 
-		if (h_speed != debug_speed_tracker):
+#		if (h_speed != debug_speed_tracker):
-			print("Inertia SpeedShift: ", debug_speed_tracker, h_speed, (0.0 == -0.0))
+#			print("Inertia SpeedShift: ", debug_speed_tracker, h_speed, (0.0 == -0.0))
-			debug_speed_tracker = h_speed
+#			debug_speed_tracker = h_speed
 
 	else:
 		## inertia is just base speed
 		calc_inertia.x = h_speed.x
-		acceleration = Vector2.ZERO
+		calc_inertial_dir.x = 0.0
 		
 		
 	## Another idea, just return the calculated velocity in PPS	
 	## For now, y component of velocity is just gravity
-	calc_velocity.y = movement_params["_gravity"] * Vector2.DOWN.y
+	#calc_velocity.y = movement_params["_gravity"] * Vector2.DOWN.y
+
+	calc_inertia.y += movement_params["_gravity"] * _delta
+	calc_velocity.y = calc_inertia.y
+	
 	## calc  x component of felicty 
+	## Can't do it this way when we have initia
+	#calc_velocity.x = calc_inertia.x * move_direction.x
+	
+	## Control, direction can only be controlled when overcome inertia direction.
 	if calc_inertial_dir.x != 0:
 		calc_velocity.x = calc_inertia.x * calc_inertial_dir.x
 	else:
 		calc_velocity.x = calc_inertia.x * move_direction.x
-	calc_inertial_dir = Vector2(sign(calc_velocity.x),sign(calc_velocity.y))
+	
+	## Attempting to move this to the top
+	#calc_inertial_dir = Vector2(sign(calc_velocity.x),sign(calc_velocity.y))
 
 	UiManager.debug_text =	( #"H_Speed x Dir: " + str(h_speed) + str('duh') +
 		"H_Speed:   {0}, {1}".format({"0":"%5.2f" % h_speed.x, "1":"%5.2f" % h_speed.y}) +
 		"\nVelocity_Calc:   {0}, {1}".format({"0":"%5.2f" % calc_velocity.x, "1":"%5.2f" % calc_velocity.y}) +
 		"\nInertia_Calc:   {0}, {1}".format({"0":"%5.2f" % calc_inertia.x, "1":"%5.2f" % calc_inertia.y}) +
 		"\nVelocity_Real:   {0}, {1}".format({"0":"%5.2f" % velocity.x, "1":"%5.2f" % velocity.y}) +
-		"\nAccel:   {0}, {1}".format({"0":"%5.2f" % acceleration.x, "1":"%5.2f" % acceleration.y}) +
+		"\nFriction:   {0}, {1}".format({"0":"%5.2f" % calc_friction.x, "1":"%5.2f" % calc_friction.y}) +
 		"\nAccelCalc   :   {0}, {1}".format({"0":"%5.2f" % calc_acceleration.x, "1":"%5.2f" % calc_acceleration.y}) +
 
 		#"\nLength: " + str(velocity.length()) +
@@ -279,12 +307,13 @@ func resolve_h_speed(_params :Dictionary) -> Vector2:
 func resolve_h_acceleration(_params :Dictionary, _speed :Vector2, _move_direction :float) -> float:
 	## TODO: Adjust for jerk, determine if we're currently experiencing accel
 	## if a speed difference applies
-	var _acceleration :float = 0.0
+	var _acceleration :float =  0.0
 	if _params["_base_h_move_speed_modifier"] != 0:
 		_acceleration = _params["_base_h_move_acceleration"] + _params["_base_h_move_modifier_move_acceleration"]
 	else:
 		_acceleration = _params["_base_h_move_acceleration"]
 	
+	#_acceleration *= sign(_move_direction)
 	## Well this didn't work
 	#_acceleration = _params["_base_h_move_acceleration"] + _params["_base_h_move_modifier_move_acceleration"]
 
@@ -402,28 +431,27 @@ func move_actor_as_desired( x_move_direction_override: float = 0):
 				acceleration.x = _move_modifier_move_acceleration + _move_acceleration
 
 	# If we're no longer tryingg to move int the direction of our movement and momentum.
-	if sign(current_x_velocity) != sign(desired_movement_vector.x) and momentum.x != 0:
+	if (sign(current_x_velocity) != sign(desired_movement_vector.x) and momentum.x != 0):
 		if sign(_move_speed_modifier) == -1 : # decreased speed modifier
-
 			# Maybe we can compare the direction of the acceleration
 			# The direction of the acceleration should usually be positive at this point.
 			# when the modifier is negative. 
 			if sign(move_direction) == sign(current_x_velocity): 
 				if sign(acceleration.x) == sign(momentum.x):
-					print("Whoh Woah")
-					# Flip the direction of the acceleration 
 					acceleration.x *= -1
+					# print("Whoh Woah")
+					# Flip the direction of the acceleration 
 			if (sign(desired_movement_vector.x) == -1 and 
 				sign(current_x_velocity) == 1) or (sign(desired_movement_vector.x) == -1 and 
 				sign(current_x_velocity) == -1):
-				print("be more opposite")
+				print_debug("be more opposite")
-#		if sign(_move_speed_modifier) == 1: # increased speed modifier
+
-#			print("faster faster.")
+	elif (sign(desired_movement_vector.x) == sign(current_x_velocity) and momentum.x != 0):
-	elif sign(desired_movement_vector.x) == sign(current_x_velocity) and momentum.x != 0:
+		print('why')
-			if sign(acceleration.x) != sign(momentum.x) and x_move_direction_override == 0:
+		if (sign(acceleration.x) != sign(momentum.x) and x_move_direction_override == 0):
-				print("Step it up!")
+			#print("Step it up!")
-				# Flip the direction of the acceleration 
+			# Flip the direction of the acceleration 
-				acceleration.x *= -1
+			acceleration.x *= -1
 
 	# Apply momentum and acceleration if a modifer exists
 	if momentum.x <= 0 and _move_speed_modifier !=0:

src/actors/players/playerE/PlayerE-Movement_StateReceiver.gd

@@ -319,9 +319,14 @@ func _state_process_physics_move():
 	if !parent.is_on_floor():
 		request_state_change.call_func('fall')
 	
+	## First version
 	#move_actor_as_desired()
-	var _v :Vector2 = new_move_actor_as_desired( physics_delta , current_state )
+	
-	apply_movement_to_parent(_v)
+	## Second One
+	#var _v :Vector2 = new_move_actor_as_desired( physics_delta , current_state )
+	#apply_movement_to_parent(_v)
+	
+	apply_movement_to_parent(new_move_actor_as_desired( physics_delta , current_state ))
 
 func get_climb_shape_location() -> Vector2:
 	if $"%LadderDetector".is_colliding():

src/actors/players/playerE/states/idle.tres

@@ -10,7 +10,7 @@ debug_state = false
 timeout_seconds = 0.0
 name = "idle"
 horizontal_speed = 1.36422e-12
-horizontal_acceleration = 2.0
+horizontal_acceleration = 0.0
 horizontal_speed_offset = 0.0
 horizontal_speed_offset_acceleration = 0.0
 jerk_factor = 0.0