98 lines
2.7 KiB
GDScript
98 lines
2.7 KiB
GDScript
extends "res://addons/gut/test.gd"
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var HexCell = load("res://HexCell.gd")
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var HexGrid = load("res://HexGrid.gd")
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var cell
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var grid
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var w
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var h
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func setup():
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cell = HexCell.new()
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grid = HexGrid.new()
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w = grid.hex_size.x
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h = grid.hex_size.y
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func test_hex_to_projection():
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var tests = {
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# Remember, projection +y => S
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Vector2(0, 0): Vector2(0, 0),
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Vector2(0, 1): Vector2(0, -h),
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Vector2(1, 0): Vector2(w*0.75, -h/2),
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Vector2(-4, -3): Vector2(4 * (-w*0.75), (3 * h) + (4 * h / 2)),
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}
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for hex in tests:
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assert_eq(tests[hex], grid.get_hex_center(hex))
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func test_hex_to_projection_scaled():
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grid.set_hex_scale(Vector2(2, 2))
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var tests = {
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Vector2(0, 0): Vector2(0, 0),
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Vector2(0, 1): 2 * Vector2(0, -h),
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Vector2(1, 0): 2 * Vector2(w * 0.75, -h/2),
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Vector2(-4, -3): 2 * Vector2(4 * (-w * 0.75), (3 * h) + (4 * h / 2)),
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}
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for hex in tests:
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assert_eq(tests[hex], grid.get_hex_center(hex))
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func test_hex_to_projection_squished():
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grid.set_hex_scale(Vector2(2, 1))
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var tests = {
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Vector2(0, 0): Vector2(0, 0),
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Vector2(0, 1): Vector2(0, -h),
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Vector2(1, 0): Vector2(2 * w * 0.75, -h/2),
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Vector2(-4, -3): Vector2(2 * 4 * (-w * 0.75), (3 * h) + (4 * h / 2)),
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}
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for hex in tests:
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assert_eq(tests[hex], grid.get_hex_center(hex))
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func test_hex_to_3d_projection():
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var tests = {
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Vector2(0, 0): Vector3(0, 0, 0),
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Vector2(0, 1): Vector3(0, 0, -h),
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Vector2(1, 0): Vector3(w*0.75, 0, -h/2),
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Vector2(-4, -3): Vector3(4 * (-w*0.75), 0, (3 * h) + (4 * h / 2)),
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}
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for hex in tests:
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assert_eq(tests[hex], grid.get_hex_center3(hex))
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# Also test the second parameter
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assert_eq(
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Vector3(0, 1.2, 0),
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grid.get_hex_center3(Vector2(0, 0), 1.2)
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)
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func test_projection_to_hex():
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var tests = {
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Vector2(0, 0): Vector2(0, 0),
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Vector2(w / 2 - 0.01, 0): Vector2(0, 0),
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Vector2(w / 2 - 0.01, h / 2): Vector2(1, -1),
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Vector2(w / 2 - 0.01, -h / 2): Vector2(1, 0),
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Vector2(0, h): Vector2(0, -1),
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Vector2(-w - 0.01, 0): Vector2(-2, 1),
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Vector2(-w, 0.01): Vector2(-1, 0),
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Vector2(-w, -0.01): Vector2(-1, 1),
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# Also Vector3s are valid input
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Vector3(0, 0, 0): Vector2(0, 0),
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Vector3(w / 2 - 0.01, 12, h / 2): Vector2(1, -1),
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}
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for coords in tests:
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assert_eq(tests[coords], grid.get_hex_at(coords).axial_coords)
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func test_projection_to_hex_doublesquished():
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grid.set_hex_scale(Vector2(4, 2))
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var tests = {
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Vector2(0, 0): Vector2(0, 0),
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Vector2(4 * w / 2 - 0.01, 0): Vector2(0, 0),
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Vector2(4 * w / 2 - 0.01, h / 2): Vector2(1, -1),
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Vector2(4 * w / 2 - 0.01, -h / 2): Vector2(1, 0),
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Vector2(0, 2 * h): Vector2(0, -1),
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Vector2(4 * -w - 0.01, 0): Vector2(-2, 1),
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Vector2(4 * -w, 0.01): Vector2(-1, 0),
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Vector2(4 * -w, -0.01): Vector2(-1, 1),
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}
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for coords in tests:
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assert_eq(tests[coords], grid.get_hex_at(coords).axial_coords)
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