65 lines
1.7 KiB
GDScript3
65 lines
1.7 KiB
GDScript3
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extends SpaceEntity
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class_name SpaceRegion
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@export var elevation: float = 0.0
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@export var height: float = 100.0
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func generate_geometry(space: Space) -> Node3D:
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var geometry := MeshInstance3D.new()
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geometry.name = name
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var polygon = self.polygon
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var polygon_pairs = Array()
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for i in range(-1, polygon.size() - 1):
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polygon_pairs.append([polygon[i], polygon[i+1]])
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var vertices = PackedVector3Array()
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var uvs = PackedVector2Array()
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for line in polygon_pairs:
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vertices.append(Vector3(
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line[0][0] * space.unit_scale, elevation * space.unit_scale,
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line[0][1] * space.unit_scale
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))
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vertices.append(Vector3(
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line[1][0] * space.unit_scale, (elevation + height) * space.unit_scale,
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line[1][1] * space.unit_scale,
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))
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vertices.append(Vector3(
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line[1][0] * space.unit_scale, elevation * space.unit_scale,
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line[1][1] * space.unit_scale,
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))
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vertices.append(Vector3(
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line[1][0] * space.unit_scale, (elevation + height) * space.unit_scale,
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line[1][1] * space.unit_scale,
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))
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vertices.append(Vector3(
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line[0][0] * space.unit_scale, elevation * space.unit_scale,
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line[0][1] * space.unit_scale,
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))
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vertices.append(Vector3(
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line[0][0] * space.unit_scale, (elevation + height) * space.unit_scale,
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line[0][1] * space.unit_scale,
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))
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uvs.append(Vector2(0, 1))
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uvs.append(Vector2(1, 0))
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uvs.append(Vector2(1, 1))
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uvs.append(Vector2(1, 0))
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uvs.append(Vector2(0, 1))
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uvs.append(Vector2(0, 0))
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var arrays = Array()
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arrays.resize(Mesh.ARRAY_MAX)
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arrays[Mesh.ARRAY_VERTEX] = vertices
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arrays[Mesh.ARRAY_TEX_UV] = uvs
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var mesh = ArrayMesh.new()
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mesh.add_surface_from_arrays(Mesh.PRIMITIVE_TRIANGLES, arrays)
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mesh.surface_set_material(0, preload("res://Scenes/Material.tres"))
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geometry.mesh = mesh
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return geometry
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