相机 lerp 优化

script/character/move.gd

@@ -7,7 +7,7 @@ class_name Move
 
 var gravity = ProjectSettings.get_setting("physics/3d/default_gravity")
 
-func _physics_process(delta):
+func _process(delta):
 	if status.is_pause:return
 	var is_hit_floor = update_on_floor(delta)
 	update_speed_y(delta)

script/manager/camera_manager.gd

@@ -2,10 +2,11 @@ extends Camera3D
 class_name CameraManager
 
 var target:int
-var target_pos:Vector3 = Vector3.ZERO
-var target_pos_now:Vector3 = Vector3.ZERO
-var offset:Vector3 = Vector3(0,1,1) * 5
+var target_pos:Vector2 = Vector2.ZERO
+var target_pos_y:float
+var target_pos_now:Vector2 = Vector2.ZERO
 var level_size:Vector2
+var offset:float = 5
 var camera_limit = Vector3(6.4,1.04,3.76) #x,up,z-downd
 
 func _ready():
@@ -17,17 +18,21 @@ func _ready():
 	SignalManager.level_size_change.connect(on_level_size_change)
 	SignalManager.level_loading_end.connect(on_level_loading_end)
 	
-func _physics_process(delta):
+func _process(delta):
 	target_pos_lerp(0,delta,5)
 	target_pos_lerp(1,delta,5)
-	target_pos_lerp(2,delta,15)
-	position = target_pos_now + offset
+	position.x = target_pos_now.x
+	position.z = target_pos_now.y + offset
+	position.y = offset
 
 func target_pos_lerp(index:int,delta:float,delta_scale:float):
-	if abs(target_pos_now[index] - target_pos[index]) < Setting.pixel_size:
+	var diff = abs(target_pos_now[index] - target_pos[index])
+	if diff < Setting.pixel_size:
 		target_pos_now[index] = Util.snap_float(target_pos[index])
 	else:
-		target_pos_now[index] = lerp(target_pos_now[index], target_pos[index], delta * delta_scale)
+		var weight_min = Setting.pixel_size / 2 / diff
+		var weight = max(delta * delta_scale,weight_min)
+		target_pos_now[index] = lerp(target_pos_now[index], target_pos[index], weight)
 
 func on_character_create(id:int,team:Enum.ETeam,pos:Vector3):
 	if team == Enum.ETeam.Player:
@@ -39,19 +44,16 @@ func on_character_create(id:int,team:Enum.ETeam,pos:Vector3):
 func on_character_pos_changed(id:int,pos:Vector3):
 	if id == target:
 		target_pos.x = clamp(pos.x,camera_limit.x,level_size.x-camera_limit.x)
-		target_pos.z = clamp(pos.z,camera_limit.y,level_size.y-camera_limit.z)
+		target_pos.y = clamp(pos.z-target_pos_y,camera_limit.y,level_size.y-camera_limit.z)
 
 func on_character_hit_floor(id:int,pos:Vector3):
 	if id == target:
-		target_pos.y = pos.y
+		target_pos_y = pos.y
+		target_pos.y = clamp(pos.z-target_pos_y,camera_limit.y,level_size.y-camera_limit.z)
 		
-func on_character_destroy(id:int):
-	target = 0
-	
-func on_level_size_change(size:Vector2):
-	level_size = size
+func on_character_destroy(id:int):target = 0
+func on_level_size_change(size:Vector2):level_size = size
 
 func on_level_loading_end():
 	target_pos_now.x = target_pos.x
 	target_pos_now.y = target_pos.y
-	target_pos_now.z = target_pos.z