43 lines
906 B
GDScript
43 lines
906 B
GDScript
"""
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Asset: Godot Simple Portal System
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File: linerenderer.gd
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Description: Line drawing helper based on ImmediateMesh.
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Repository: https://github.com/Donitzo/godot-simple-portal-system
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License: CC0 License
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"""
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extends MeshInstance3D
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class_name LineRenderer
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@export var material: Material
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var _lines: Array
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var _dirty: bool
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func _ready() -> void:
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mesh = ImmediateMesh.new()
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func add_line(from: Vector3, to: Vector3, color: Color = Color.WHITE) -> void:
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_lines.push_back([from, to, color])
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_dirty = true
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func clear_lines() -> void:
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_lines.clear()
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_dirty = true
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func _process(_delta: float) -> void:
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if not _dirty:
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return
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_dirty = false
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mesh.clear_surfaces()
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mesh.surface_begin(PrimitiveMesh.PRIMITIVE_LINES, material)
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for line in _lines:
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mesh.surface_set_color(line[2])
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mesh.surface_add_vertex(to_local(line[0]))
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mesh.surface_add_vertex(to_local(line[1]))
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mesh.surface_end()
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