95 lines
2.9 KiB
GDScript
95 lines
2.9 KiB
GDScript
@tool
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extends "base_modifier.gd"
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@export_enum("Offset:0", "Multiply:1", "Override:2") var operation: int = 1
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@export var scale := Vector3(1, 1, 1)
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func _init() -> void:
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display_name = "Edit Scale"
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category = "Offset"
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can_restrict_height = false
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global_reference_frame_available = true
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local_reference_frame_available = true
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individual_instances_reference_frame_available = true
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use_individual_instances_space_by_default()
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documentation.add_paragraph("Scales every transform.")
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var p := documentation.add_parameter("Scale")
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p.set_type("Vector3")
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p.set_description("How much to scale the transform along each axes (X, Y, Z)")
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func _process_transforms(transforms, domain, _seed) -> void:
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var s_gt: Transform3D = domain.get_global_transform()
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var s_lt: Transform3D = domain.get_local_transform()
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var s_gt_inverse := s_gt.affine_inverse()
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var s_lt_inverse := s_lt.affine_inverse()
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var basis: Basis
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var t: Transform3D
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var tmp_t: Transform3D
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for i in transforms.size():
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t = transforms.list[i]
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basis = t.basis
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match operation:
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0: # Offset
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if is_using_individual_instances_space():
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var current_scale := basis.get_scale()
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var s = (current_scale + scale) / current_scale
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basis = t.scaled_local(s).basis
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elif is_using_global_space():
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# Convert to global space, scale, convert back to local space
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tmp_t = s_gt * t
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var current_scale: Vector3 = tmp_t.basis.get_scale()
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tmp_t.basis = tmp_t.basis.scaled((current_scale + scale) / current_scale)
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basis = (s_gt_inverse * tmp_t).basis
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else:
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var current_scale: Vector3 = basis.get_scale()
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basis = basis.scaled((current_scale + scale) / current_scale)
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1: # Multiply
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if is_using_individual_instances_space():
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basis = t.scaled_local(scale).basis
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elif is_using_global_space():
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# Convert to global space, scale, convert back to local space
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tmp_t = s_gt * t
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tmp_t = tmp_t.scaled(scale)
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basis = (s_gt_inverse * tmp_t).basis
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else:
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basis = basis.scaled(scale)
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2: # Override
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if is_using_individual_instances_space():
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var t_scale: Vector3 = basis.get_scale()
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t_scale.x = (1.0 / t_scale.x) * scale.x
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t_scale.y = (1.0 / t_scale.y) * scale.y
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t_scale.z = (1.0 / t_scale.z) * scale.z
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basis = t.scaled_local(t_scale).basis
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elif is_using_global_space():
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# Convert to global space, scale, convert back to local space
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tmp_t = t * s_gt
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var t_scale: Vector3 = tmp_t.basis.get_scale()
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t_scale.x = (1.0 / t_scale.x) * scale.x
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t_scale.y = (1.0 / t_scale.y) * scale.y
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t_scale.z = (1.0 / t_scale.z) * scale.z
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tmp_t.basis = tmp_t.basis.scaled(t_scale)
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basis = (s_gt_inverse * tmp_t).basis
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else:
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var t_scale: Vector3 = basis.get_scale()
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t_scale.x = (1.0 / t_scale.x) * scale.x
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t_scale.y = (1.0 / t_scale.y) * scale.y
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t_scale.z = (1.0 / t_scale.z) * scale.z
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basis = basis.scaled(t_scale)
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transforms.list[i].basis = basis
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