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update some copy on GJK2D to make it more clear

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Evan Hemsley 2019-09-15 13:45:46 -07:00
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content/narrow_phase/GJK2D.md
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@ -17,4 +17,4 @@ var transformB = new Transform2D(new Vector2(1, 1));
var (result, simplex) = GJK2D.TestCollision(circleA, transformA, circleB, transformB); var (result, simplex) = GJK2D.TestCollision(circleA, transformA, circleB, transformB);
``` ```
Note that this method returns two variables. The first is whether an overlap has occurred. The second is the simplex. You can think of the simplex as a key that helps you find the minimum separating vector. Note that if there was no collision, the value of the simplex is irrelevant. Note that this method returns two variables. The first is whether an overlap has occurred. The second is the termination simplex. You can think of the termination simplex as a key that helps you find the penetration vector with *EPA2D*. Note that if there was no collision, the value of the simplex is irrelevant.