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Vector2¶
使用浮点数坐标的 2D 向量。
Description¶
包含两个元素的结构体，可用于代表 2D 坐标或任何数值的二元组。
使用浮点数坐标。默认情况下，这些浮点值为 32 位精度，与始终为 64 位的 float 并不相同。如果需要双精度，请在编译引擎时使用 precision=double 选项。
对应的整数版本见 Vector2i。
注意：在布尔语境中，如果 Vector2 等于 Vector2(0, 0) 则求值结果为 false。否则 Vector2 的求值结果始终为 true。
Tutorials¶
Properties¶
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Constructors¶
Vector2 ( ) |
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Methods¶
abs ( ) const |
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angle ( ) const |
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angle_to_point ( Vector2 to ) const |
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aspect ( ) const |
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bezier_derivative ( Vector2 control_1, Vector2 control_2, Vector2 end, float t ) const |
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bezier_interpolate ( Vector2 control_1, Vector2 control_2, Vector2 end, float t ) const |
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ceil ( ) const |
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cubic_interpolate ( Vector2 b, Vector2 pre_a, Vector2 post_b, float weight ) const |
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cubic_interpolate_in_time ( Vector2 b, Vector2 pre_a, Vector2 post_b, float weight, float b_t, float pre_a_t, float post_b_t ) const |
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direction_to ( Vector2 to ) const |
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distance_squared_to ( Vector2 to ) const |
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distance_to ( Vector2 to ) const |
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floor ( ) const |
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from_angle ( float angle ) static |
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is_equal_approx ( Vector2 to ) const |
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is_finite ( ) const |
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is_normalized ( ) const |
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is_zero_approx ( ) const |
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length ( ) const |
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length_squared ( ) const |
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