mirror of
https://github.com/JohnBreaux/Boat-Battle.git
synced 2024-11-15 05:25:57 +00:00
59 lines
2.3 KiB
GDScript
59 lines
2.3 KiB
GDScript
extends Sprite
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var snapped = false #when snapped if true crosshair stops following mouse
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const world_offset = Vector2(36,36)
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# Called when the node enters the scene tree for the first time.
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func _ready():
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# Move the cursor to 0,0
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position = board_to_world_space(Vector2(-2,-2))
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pass # Replace with function body.
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func _physics_process(_delta):
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var mousePos = get_global_mouse_position()
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# If the cursor is not snapped, and the mouse is over the board
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if snapped == false and validate_position(mousePos):
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# Snap the crosshair to the grid, but following the mouse
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position = (mousePos - world_offset).snapped(Vector2(32,32)) + world_offset
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func _input(event):
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# Check if left click is being clicked and the sprite is visible (i.e only checks for inputs after ship positions are confirmed)
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if event is InputEventMouseButton and event.button_index == BUTTON_LEFT and visible and not event.is_pressed():
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# Make a noise
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AudioBus.emit_signal("button_clicked")
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# Locks the position of the crosshair with left click release
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if validate_position(position) == true:
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# rounds the board position to the nearest integer
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snapped = true
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position.x = int(round(world_to_board_space(position).x))
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position.y = int(round(world_to_board_space(position).y))
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position = board_to_world_space(position)
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# Check if left click is being clicked and the sprite is visible (i.e only checks for inputs after ship positions are confirmed)
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elif event is InputEventMouseButton and event.button_index == BUTTON_LEFT and visible == true:
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# Unlocks the position of the crosshair with left click
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snapped = false
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func validate_position(vector):
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# rounds the board position to the nearest integer
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var board = world_to_board_space(vector)
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# Checks if the board position is within bounds of the board
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if board.x < 9.5 and board.x >= -0.5 and board.y < 9.5 and board.y >= -0.5:
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# changes the position of the crosshair
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return true
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else:
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# unlocks the crosshair if not within bounds
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return false
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# Convert the world-space coordinates to positions on the board
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func world_to_board_space(vector):
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# Do math
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var res = (vector - world_offset) / 32 # Basically Fahrenheit/Celcius conversion, but in 2D
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return res
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# Inverse of the above function.
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func board_to_world_space(vector):
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# Do math
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var res = (vector * 32) + world_offset #Invert the above function
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return res #Truncate decimals
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