42 lines
2.2 KiB
TypeScript
42 lines
2.2 KiB
TypeScript
module TK.SpaceTac.Specs {
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function checkLocation(check: TestContext, got: IArenaLocation, expected_x: number, expected_y: number) {
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check.equals(got.x, expected_x, `x differs (${got.x},${got.y}) (${expected_x},${expected_y})`);
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check.equals(got.y, expected_y, `y differs (${got.x},${got.y}) (${expected_x},${expected_y})`);
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}
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testing("HexagonalArenaGrid", test => {
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test.case("checks coordinates", check => {
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let grid = new HexagonalArenaGrid(5, 1);
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check.equals(grid.check({ x: 0, y: 0 }), true, "0,0");
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check.equals(grid.check({ x: 1, y: 0 }), false, "1,0");
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check.equals(grid.check({ x: 5, y: 0 }), true, "5,0");
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check.equals(grid.check({ x: 6, y: 0 }), false, "6,0");
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check.equals(grid.check({ x: 0, y: 5 }), false, "0,5");
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check.equals(grid.check({ x: 2.5, y: 5 }), true, "2.5,5");
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check.equals(grid.check({ x: 5, y: 5 }), false, "5,5");
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check.equals(grid.check({ x: 7.5, y: 5 }), true, "7.5,5");
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});
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test.case("snaps coordinates to the nearest grid point, on a biased grid", check => {
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let grid = new HexagonalArenaGrid(4, 0.75);
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checkLocation(check, grid.snap({ x: 0, y: 0 }), 0, 0);
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checkLocation(check, grid.snap({ x: 1, y: 0 }), 0, 0);
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checkLocation(check, grid.snap({ x: 1.9, y: 0 }), 0, 0);
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checkLocation(check, grid.snap({ x: 2.1, y: 0 }), 4, 0);
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checkLocation(check, grid.snap({ x: 1, y: 1 }), 0, 0);
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checkLocation(check, grid.snap({ x: 1, y: 2 }), 2, 3);
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checkLocation(check, grid.snap({ x: -1, y: -1 }), 0, 0);
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checkLocation(check, grid.snap({ x: -2, y: -2 }), -2, -3);
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checkLocation(check, grid.snap({ x: -3, y: -1 }), -4, 0);
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checkLocation(check, grid.snap({ x: 6, y: -5 }), 8, -6);
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});
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test.case("snaps coordinates to the nearest grid point, on a regular grid", check => {
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let grid = new HexagonalArenaGrid(10);
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checkLocation(check, grid.snap({ x: 0, y: 0 }), 0, 0);
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checkLocation(check, grid.snap({ x: 8, y: 0 }), 10, 0);
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checkLocation(check, grid.snap({ x: 1, y: 6 }), 5, 10 * Math.sqrt(0.75));
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});
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});
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}
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