39 lines
1.9 KiB
TypeScript
39 lines
1.9 KiB
TypeScript
module TK.SpaceTac.Specs {
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testing("ArenaLocation", test => {
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test.case("gets distance and angle between two locations", check => {
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check.nears(arenaDistance({ x: 0, y: 0 }, { x: 1, y: 1 }), Math.sqrt(2));
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check.nears(arenaAngle({ x: 0, y: 0 }, { x: 1, y: 1 }), Math.PI / 4);
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})
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test.case("checks if a location is in range of another", check => {
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check.in("first order", check => {
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check.equals(arenaInRange({ x: 0, y: 0 }, { x: 4, y: 4 }, 5), false, "<5");
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check.equals(arenaInRange({ x: 0, y: 0 }, { x: 4, y: 4 }, 8), true, "<8");
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});
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check.in("second order", check => {
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check.equals(arenaInRange({ x: 4, y: 4 }, { x: 0, y: 0 }, 5), false, "<5");
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check.equals(arenaInRange({ x: 4, y: 4 }, { x: 0, y: 0 }, 8), true, "<8");
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});
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check.equals(arenaInRange({ x: 0, y: 0 }, { x: 0.99999999999999, y: 0 }, 1), true, "0.99999999999999");
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check.equals(arenaInRange({ x: 0, y: 0 }, { x: 1.00000000000001, y: 0 }, 1), true, "1.00000000000001");
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check.equals(arenaInRange({ x: 0, y: 0 }, { x: 1.000001, y: 0 }, 1), false, "1.000001");
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})
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test.case("computes an angular difference", check => {
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check.equals(angularDifference(0.5, 1.5), 1.0);
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check.nears(angularDifference(0.5, 1.5 + Math.PI * 6), 1.0);
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check.same(angularDifference(0.5, -0.5), -1.0);
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check.nears(angularDifference(0.5, -0.3 - Math.PI * 4), -0.8);
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check.nears(angularDifference(-3 * Math.PI / 4, 3 * Math.PI / 4), -Math.PI / 2);
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check.nears(angularDifference(3 * Math.PI / 4, -3 * Math.PI / 4), Math.PI / 2);
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})
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test.case("converts between degrees and radians", check => {
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check.nears(degrees(Math.PI / 2), 90);
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check.nears(radians(45), Math.PI / 4);
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});
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});
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}
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