41 lines
1.5 KiB
TypeScript
41 lines
1.5 KiB
TypeScript
module TK.SpaceTac.Specs {
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testing("Target", test => {
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test.case("initializes from ship or location", check => {
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var target: Target;
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target = Target.newFromLocation(2, 3);
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check.equals(target.x, 2);
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check.equals(target.y, 3);
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check.equals(target.ship_id, null);
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var ship = new Ship();
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ship.arena_x = 4;
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ship.arena_y = -2.1;
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target = Target.newFromShip(ship);
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check.equals(target.x, 4);
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check.equals(target.y, -2.1);
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check.equals(target.ship_id, ship.id);
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});
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test.case("gets distance to another target", check => {
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var t1 = Target.newFromLocation(5, 1);
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var t2 = Target.newFromLocation(6, 2);
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check.nears(t1.getDistanceTo(t2), Math.sqrt(2));
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});
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test.case("gets angle to another target", check => {
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var t1 = Target.newFromLocation(2, 3);
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var t2 = Target.newFromLocation(4, 5);
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check.nears(t1.getAngleTo(t2), Math.PI / 4);
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});
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test.case("snaps to a grid", check => {
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let grid = new HexagonalArenaGrid(5, 1);
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check.equals(Target.newFromLocation(1, 1).snap(grid), Target.newFromLocation(0, 0), "1,1");
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check.equals(Target.newFromLocation(6, 4).snap(grid), Target.newFromLocation(7.5, 5), "6,4");
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let ship = new Ship();
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check.equals(new Target(6, 4, ship).snap(grid), new Target(7.5, 5, ship), "6,4,ship");
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});
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});
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}
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