27 lines
716 B
C
27 lines
716 B
C
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#pragma once
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namespace extra2d {
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// ---------------------------------------------------------------------------
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// 2D 尺寸
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// ---------------------------------------------------------------------------
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struct Size {
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float width = 0.0f;
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float height = 0.0f;
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constexpr Size() = default;
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constexpr Size(float w, float h) : width(w), height(h) {}
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bool operator==(const Size &s) const {
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return width == s.width && height == s.height;
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}
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bool operator!=(const Size &s) const { return !(*this == s); }
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float area() const { return width * height; }
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bool empty() const { return width <= 0.0f || height <= 0.0f; }
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static constexpr Size Zero() { return {0.0f, 0.0f}; }
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};
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} // namespace extra2d
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