mirror of
https://github.com/Orama-Interactive/Pixelorama.git
synced 2025-02-22 05:23:14 +00:00
8d1c2e96f3
Added the ability to change grid type in Preferences, and made an isometric cell size value which affects just the size of the cells of the isometric grid. Also updated translations.
51 lines
1.7 KiB
GDScript
51 lines
1.7 KiB
GDScript
extends Node2D
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var location := Vector2.ZERO
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var isometric_polylines := [] # An array of PoolVector2Arrays
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func _draw() -> void:
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if Global.draw_grid:
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draw_grid(Global.grid_type)
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func draw_grid(grid_type : int) -> void:
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var size : Vector2 = Global.current_project.size
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if grid_type == Global.Grid_Types.CARTESIAN || grid_type == Global.Grid_Types.ALL:
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for x in range(Global.grid_width, size.x, Global.grid_width):
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draw_line(Vector2(x, location.y), Vector2(x, size.y), Global.grid_color, true)
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for y in range(Global.grid_height, size.y, Global.grid_height):
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draw_line(Vector2(location.x, y), Vector2(size.x, y), Global.grid_color, true)
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if grid_type == Global.Grid_Types.ISOMETRIC || grid_type == Global.Grid_Types.ALL:
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var i := 0
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for x in range(Global.grid_isometric_cell_size, size.x + 2, Global.grid_isometric_cell_size * 2):
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for y in range(0, size.y + 1, Global.grid_isometric_cell_size):
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draw_isometric_tile(i, Vector2(x, y))
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i += 1
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func draw_isometric_tile(i : int, origin := Vector2.RIGHT, cell_size : int = Global.grid_isometric_cell_size) -> void:
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# A random value I found by trial and error, I have no idea why it "works"
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var diff = 1.11754
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var approx_30_degrees = deg2rad(26.565)
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var pool := PoolVector2Array()
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if i < isometric_polylines.size():
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pool = isometric_polylines[i]
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else:
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var a = origin - Vector2(0, 0.5)
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var b = a + Vector2(cos(approx_30_degrees), sin(approx_30_degrees)) * cell_size * diff
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var c = a + Vector2.DOWN * cell_size
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var d = c - Vector2(cos(approx_30_degrees), sin(approx_30_degrees)) * cell_size * diff
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pool.append(a)
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pool.append(b)
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pool.append(c)
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pool.append(d)
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pool.append(a)
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isometric_polylines.append(pool)
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if pool.size() > 2:
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draw_polyline(pool, Global.grid_color)
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