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pref: 圆圆交叉判断
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@ -416,8 +416,8 @@ export namespace Hitbox {
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export function checkCircleCircle(circle1: Circle, circle2: Circle) {
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const dx = circle1.x - circle2.x;
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const dy = circle1.y - circle2.y;
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const dis = Math.hypot(dx, dy);
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return dis <= circle1.radius + circle2.radius;
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const dis = dx ** 2 + dy ** 2;
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return dis <= (circle1.radius + circle2.radius) ** 2;
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}
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/**
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