Prevent gameplay camera from getting stuck on walls.

characters/base/character.gd

@@ -410,9 +410,18 @@ func _check_contacts() -> void:
 		var other := _body_state.get_contact_collider_object(i)
 		if other is StaticBody3D:
 			var contact_normal := _body_state.get_contact_local_normal(i)
-			if acos(contact_normal.dot(ground_normal)) <= _max_slope_angle:
+			var diff_current_ground := acos(contact_normal.dot(
+				ground_normal
+			))
+			var diff_true_ground := acos(contact_normal.dot(
+				Vector3.UP if gravity_scale >= 0.0 else Vector3.DOWN
+			))
+			if (
+				diff_current_ground <= _max_slope_angle ||
+				diff_true_ground <= _max_slope_angle/2.0
+			):
 				new_ground += contact_normal
-			else:
+			elif diff_current_ground < PI - _max_slope_angle/2.0:
 				new_wall += contact_normal
 		# Along the way, handle collisions with other kinds of objects.
 		elif other is Character:
@@ -580,7 +589,7 @@ func _do_standard_motion(delta: float) -> void:
 				!volitional_velocity.is_zero_approx() &&
 				acos(ground_normal.dot(
 					Vector3.UP if gravity_scale >= 0.0 else Vector3.DOWN
-				)) <= _max_slope_angle
+				)) <= _max_slope_angle/2.0
 			):
 				apply_central_impulse(
 					-volitional_velocity.normalized() *

project.godot

@@ -184,3 +184,8 @@ pause={
 "events": [Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":-1,"button_index":6,"pressure":0.0,"pressed":true,"script":null)
 ]
 }
+
+[rendering]
+
+renderer/rendering_method="gl_compatibility"
+renderer/rendering_method.mobile="gl_compatibility"

test/blender_test_map.tscn

@@ -4,7 +4,7 @@
 [ext_resource type="Texture2D" uid="uid://dnhbrrbtx13vi" path="res://vfx/textures/skybox2.png" id="2_sj3fr"]
 [ext_resource type="PackedScene" uid="uid://cp3qagrsuarl5" path="res://test/blender_test_map.blend" id="2_vhybo"]
 [ext_resource type="PackedScene" uid="uid://gis0gxap8i8t" path="res://test/test_stick.tscn" id="3_sj3fr"]
-[ext_resource type="Material" uid="uid://m4x75hyx6hih" path="res://maps/textures/brick1.tres" id="3_vhybo"]
+[ext_resource type="Material" uid="uid://cdfukdmfwe6ub" path="res://maps/textures/crystal2.tres" id="4_p5rwy"]
 [ext_resource type="PackedScene" uid="uid://b7mqd4ps8e3uj" path="res://props/springboard.tscn" id="8_p5rwy"]
 [ext_resource type="Script" uid="uid://16os114krms3" path="res://characters/controllers/player_character_controller.gd" id="9_j70wf"]
 [ext_resource type="Script" uid="uid://dotkfe7cs5010" path="res://test/pick_up_item.gd" id="10_ld4ib"]
@@ -48,7 +48,7 @@ transform = Transform3D(1, 0, 0, 0, 0.5, 0.866025, 0, -0.866025, 0.5, 0, 100, 0)
 [node name="blender_test_map" parent="StaticBody3D" instance=ExtResource("2_vhybo")]
 
 [node name="Plane" parent="StaticBody3D/blender_test_map" index="0"]
-surface_material_override/0 = ExtResource("3_vhybo")
+surface_material_override/0 = ExtResource("4_p5rwy")
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="StaticBody3D"]
 shape = SubResource("ConcavePolygonShape3D_jy2qr")

test/test_stick.tscn

@@ -311,7 +311,7 @@ collider_length = 1.0
 collider_radius = 0.25
 collider_horizontal = false
 yaw_orientation = 0
-pitch_orientation = 1
+pitch_orientation = 3
 orientation_speed = 600.0
 counts_as_grounded = false
 physics_mode = 0

vfx/gameplay_camera.gd

@@ -6,6 +6,7 @@ class_name GameplayCamera extends Camera3D
 @export var target_max_distance: float = 10.0
 @export var target_decentering_factor: float = 0.4
 @export var target_leveling_bias: float = 20.0
+@export var allow_losing_target := false
 @export var follow_lerp_speed: float = 0.999
 @export var turn_lerp_speed: float = 0.999
 @export var fov_lerp_speed: float = 0.999
@@ -81,20 +82,31 @@ func _respond_to_impetus(delta: float) -> void:
 	)
 	look_impetus = Vector3.ZERO
 
-func _try_go(where: Vector3) -> void:
-	_raycast_object.from = global_position
+func _try_go(where: Vector3, from: Vector3 = global_position) -> void:
+	_raycast_object.from = from
 	_raycast_object.to = where + (
 		(where - global_position).normalized()*clip_margin
 	)
+	if target:
+		_raycast_object.exclude = [target]
+	else:
+		_raycast_object.exclude = []
 	var raycast_results := (
 		get_world_3d().direct_space_state.intersect_ray(_raycast_object)
 	)
+	var desired_position: Vector3
 	if raycast_results.is_empty():
-		global_position = where
+		desired_position = where
 	else:
-		global_position = raycast_results.position + (
+		desired_position = raycast_results.position + (
 			raycast_results.normal*clip_margin
 		)
+	if target && !allow_losing_target:
+		allow_losing_target = true
+		_try_go(desired_position, target.global_position)
+		allow_losing_target = false
+	else:
+		global_position = desired_position
 
 func snap_to_target() -> void:
 	if !target: return