155 lines
3.7 KiB
GDScript
155 lines
3.7 KiB
GDScript
extends CanvasLayer
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const LINE_WIDTH: float = 2
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const MARKER_RADIUS: float = 0.2
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const CIRCLE_RADIUS: float = 3
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const DEFAULT_COLOR: Color = Color.RED
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var enabled: bool = false
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var control: Control = Control.new()
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var label: RichTextLabel = RichTextLabel.new()
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var vectors_to_draw: Array[Dictionary] = []
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var markers_to_draw: Array[Dictionary] = []
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var circles_to_draw: Array[Dictionary] = []
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var text_to_draw: PackedStringArray = []
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@onready var camera: Camera3D = get_viewport().get_camera_3d()
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func _ready() -> void:
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process_mode = Node.PROCESS_MODE_ALWAYS
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layer = 999
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enabled = false
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control.draw.connect(_on_control_draw)
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control.mouse_filter = Control.MOUSE_FILTER_IGNORE
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add_child(control)
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label.set_anchors_preset(Control.PRESET_FULL_RECT)
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label.mouse_filter = Control.MOUSE_FILTER_IGNORE
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add_child(label)
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func _process(_delta: float) -> void:
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if not enabled:
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return
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control.queue_redraw()
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text('fps: ' + str(Performance.get_monitor(Performance.TIME_FPS)))
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text('draw calls: ' + str(Performance.get_monitor(Performance.RENDER_TOTAL_DRAW_CALLS_IN_FRAME)))
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func _input(event: InputEvent) -> void:
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if event.is_action_pressed("toggle_debug"):
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enabled = not enabled
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visible = enabled
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vectors_to_draw.clear()
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func text(body: String) -> void:
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if not enabled:
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return
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text_to_draw.append(body)
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func vector(from: Vector3, to: Vector3, color: Color = DEFAULT_COLOR) -> void:
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if not enabled:
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return
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vectors_to_draw.append({"from": from, "to": to, "color": color})
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func marker(
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pos: Vector3,
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radius: float = MARKER_RADIUS,
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color: Color = DEFAULT_COLOR,
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) -> void:
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if not enabled:
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return
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markers_to_draw.append({"pos": pos, "radius": radius, "color": color})
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func circle(pos: Vector3, color: Color = DEFAULT_COLOR) -> void:
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if not enabled:
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return
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circles_to_draw.append({"pos": pos, "color": color})
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func _unproject(pos: Vector3) -> Vector2:
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return camera.unproject_position(pos)
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func _draw_text() -> void:
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label.text = '\n'.join(text_to_draw)
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func _draw_vector(from: Vector3, to: Vector3, color: Color) -> void:
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var start := _unproject(from)
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var end := _unproject(to)
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control.draw_line(start, end, color, LINE_WIDTH)
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_draw_triangle(end, start.direction_to(end), 5, color)
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func _draw_triangle(
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pos: Vector2,
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dir: Vector2,
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size: float,
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color: Color,
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) -> void:
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var a := pos + dir * size
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var b := pos + dir.rotated(2 * PI / 3) * size
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var c := pos + dir.rotated(4 * PI / 3) * size
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var points := PackedVector2Array([a, b, c])
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control.draw_polygon(points, PackedColorArray([color]))
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func _draw_marker(pos: Vector3, radius: float, color: Color) -> void:
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var x_start := _unproject(pos + (Vector3.LEFT * radius))
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var x_end := _unproject(pos + (Vector3.RIGHT * radius))
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control.draw_line(x_start, x_end, color, LINE_WIDTH)
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var y_start := _unproject(pos + (Vector3.UP * radius))
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var y_end := _unproject(pos + (Vector3.DOWN * radius))
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control.draw_line(y_start, y_end, color, LINE_WIDTH)
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var z_start := _unproject(pos + (Vector3.FORWARD * radius))
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var z_end := _unproject(pos + (Vector3.BACK * radius))
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control.draw_line(z_start, z_end, color, LINE_WIDTH)
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func _draw_circle(pos: Vector3, color: Color) -> void:
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var point := _unproject(pos)
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control.draw_circle(point, CIRCLE_RADIUS, color)
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func _on_control_draw() -> void:
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if not enabled:
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return
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for v in vectors_to_draw:
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_draw_vector(
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v["from"] as Vector3,
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v["to"] as Vector3,
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v["color"] as Color,
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)
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vectors_to_draw.clear()
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for v in markers_to_draw:
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_draw_marker(
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v["pos"] as Vector3,
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v["radius"] as float,
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v["color"] as Color,
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)
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markers_to_draw.clear()
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for v in circles_to_draw:
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_draw_circle(v["pos"] as Vector3, v["color"] as Color)
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circles_to_draw.clear()
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_draw_text()
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text_to_draw.clear()
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