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XCSDD/docs/api/math/vector2/dot.md
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Vector2::Dot

static float Dot(const Vector2& a, const Vector2& b)

计算两个 2D 向量的点积。

参数:

  • a - 第一个向量
  • b - 第二个向量

返回: float - 点积结果 a.x * b.x + a.y * b.y

复杂度: O(1)

示例:

Vector2 a(1.0f, 0.0f);
Vector2 b(0.0f, 1.0f);
float dot = Vector2::Dot(a, b);  // 0.0f