Added footsteps, new tree, various other tweaks

addons/proton_scatter/src/modifiers/single_item.gd

@@ -0,0 +1,55 @@
+@tool
+extends "base_modifier.gd"
+
+# Adds a single object with the given transform
+
+@export var offset := Vector3.ZERO
+@export var rotation := Vector3.ZERO
+@export var scale := Vector3.ONE
+
+
+func _init() -> void:
+	display_name = "Add Single Item"
+	category = "Create"
+	warning_ignore_no_shape = true
+	warning_ignore_no_transforms = true
+	can_restrict_height = false
+	global_reference_frame_available = true
+	local_reference_frame_available = true
+	individual_instances_reference_frame_available = false
+	use_local_space_by_default()
+
+
+func _process_transforms(transforms, domain, _seed) -> void:
+	var gt: Transform3D = domain.get_global_transform()
+	var gt_inverse: Transform3D = gt.affine_inverse()
+
+	var t_origin := offset
+	var basis := Basis()
+	var x_axis = Vector3.RIGHT
+	var y_axis = Vector3.UP
+	var z_axis = Vector3.FORWARD
+
+	if is_using_global_space():
+		t_origin = gt_inverse.basis * t_origin
+		x_axis = gt_inverse.basis * x_axis
+		y_axis = gt_inverse.basis * y_axis
+		z_axis = gt_inverse.basis * z_axis
+		basis = gt_inverse.basis
+
+	basis = basis.rotated(x_axis, deg_to_rad(rotation.x))
+	basis = basis.rotated(y_axis, deg_to_rad(rotation.y))
+	basis = basis.rotated(z_axis, deg_to_rad(rotation.z))
+
+	var transform := Transform3D(basis, Vector3.ZERO)
+
+	if is_using_global_space():
+		var global_t: Transform3D = gt * transform
+		global_t.basis = global_t.basis.scaled(scale)
+		transform = gt_inverse * global_t
+	else:
+		transform = transform.scaled_local(scale)
+
+	transform.origin = t_origin
+
+	transforms.list.push_back(transform)