diff options
Diffstat (limited to 'doc/classes/Vector2.xml')
| -rw-r--r-- | doc/classes/Vector2.xml | 68 |
1 files changed, 37 insertions, 31 deletions
diff --git a/doc/classes/Vector2.xml b/doc/classes/Vector2.xml index 32895310d1..52d719b6f7 100644 --- a/doc/classes/Vector2.xml +++ b/doc/classes/Vector2.xml @@ -9,7 +9,7 @@ [b]Note:[/b] In a boolean context, a Vector2 will evaluate to [code]false[/code] if it's equal to [code]Vector2(0, 0)[/code]. Otherwise, a Vector2 will always evaluate to [code]true[/code]. </description> <tutorials> - <link>https://docs.godotengine.org/en/latest/tutorials/math/index.html</link> + <link title="Math tutorial index">https://docs.godotengine.org/en/latest/tutorials/math/index.html</link> </tutorials> <methods> <method name="Vector2"> @@ -43,7 +43,8 @@ <return type="float"> </return> <description> - Returns the vector's angle in radians with respect to the X axis, or [code](1, 0)[/code] vector. + Returns this vector's angle with respect to the positive X axis, or [code](1, 0)[/code] vector, in radians. + For example, [code]Vector2.RIGHT.angle()[/code] will return zero, [code]Vector2.DOWN.angle()[/code] will return [code]PI / 2[/code] (a quarter turn, or 90 degrees), and [code]Vector2(1, -1).angle()[/code] will return [code]-PI / 4[/code] (a negative eighth turn, or -45 degrees). Equivalent to the result of [method @GDScript.atan2] when called with the vector's [member y] and [member x] as parameters: [code]atan2(y, x)[/code]. </description> </method> @@ -53,7 +54,7 @@ <argument index="0" name="to" type="Vector2"> </argument> <description> - Returns the angle in radians between the two vectors. + Returns the angle to the given vector, in radians. </description> </method> <method name="angle_to_point"> @@ -62,14 +63,14 @@ <argument index="0" name="to" type="Vector2"> </argument> <description> - Returns the angle in radians between the line connecting the two points and the X coordinate. + Returns the angle between the line connecting the two points and the X axis, in radians. </description> </method> <method name="aspect"> <return type="float"> </return> <description> - Returns the ratio of [member x] to [member y]. + Returns the aspect ratio of this vector, the ratio of [member x] to [member y]. </description> </method> <method name="bounce"> @@ -85,7 +86,7 @@ <return type="Vector2"> </return> <description> - Returns the vector with all components rounded up. + Returns the vector with all components rounded up (towards positive infinity). </description> </method> <method name="clamped"> @@ -94,7 +95,7 @@ <argument index="0" name="length" type="float"> </argument> <description> - Returns the vector with a maximum length. + Returns the vector with a maximum length by limiting its length to [code]length[/code]. </description> </method> <method name="cross"> @@ -103,7 +104,7 @@ <argument index="0" name="with" type="Vector2"> </argument> <description> - Returns the 2-dimensional analog of the cross product with the given vector. + Returns the cross product of this vector and [code]with[/code]. </description> </method> <method name="cubic_interpolate"> @@ -118,7 +119,7 @@ <argument index="3" name="t" type="float"> </argument> <description> - Cubically interpolates between this vector and [code]b[/code] using [code]pre_a[/code] and [code]post_b[/code] as handles, and returns the result at position [code]t[/code]. [code]t[/code] is in the range of [code]0.0 - 1.0[/code], representing the amount of interpolation. + Cubically interpolates between this vector and [code]b[/code] using [code]pre_a[/code] and [code]post_b[/code] as handles, and returns the result at position [code]t[/code]. [code]t[/code] is on the range of 0.0 to 1.0, representing the amount of interpolation. </description> </method> <method name="direction_to"> @@ -136,7 +137,8 @@ <argument index="0" name="to" type="Vector2"> </argument> <description> - Returns the squared distance to vector [code]b[/code]. Prefer this function over [method distance_to] if you need to sort vectors or need the squared distance for some formula. + Returns the squared distance between this vector and [code]b[/code]. + This method runs faster than [method distance_to], so prefer it if you need to compare vectors or need the squared distance for some formula. </description> </method> <method name="distance_to"> @@ -145,7 +147,7 @@ <argument index="0" name="to" type="Vector2"> </argument> <description> - Returns the distance to vector [code]b[/code]. + Returns the distance between this vector and [code]to[/code]. </description> </method> <method name="dot"> @@ -154,14 +156,17 @@ <argument index="0" name="with" type="Vector2"> </argument> <description> - Returns the dot product with vector [code]b[/code]. + Returns the dot product of this vector and [code]with[/code]. This can be used to compare the angle between two vectors. For example, this can be used to determine whether an enemy is facing the player. + The dot product will be [code]0[/code] for a straight angle (90 degrees), greater than 0 for angles narrower than 90 degrees and lower than 0 for angles wider than 90 degrees. + When using unit (normalized) vectors, the result will always be between [code]-1.0[/code] (180 degree angle) when the vectors are facing opposite directions, and [code]1.0[/code] (0 degree angle) when the vectors are aligned. + [b]Note:[/b] [code]a.dot(b)[/code] is equivalent to [code]b.dot(a)[/code]. </description> </method> <method name="floor"> <return type="Vector2"> </return> <description> - Returns the vector with all components rounded down. + Returns the vector with all components rounded down (towards negative infinity). </description> </method> <method name="is_equal_approx"> @@ -177,21 +182,22 @@ <return type="bool"> </return> <description> - Returns [code]true[/code] if the vector is normalized. + Returns [code]true[/code] if the vector is normalized, and false otherwise. </description> </method> <method name="length"> <return type="float"> </return> <description> - Returns the vector's length. + Returns the length (magnitude) of this vector. </description> </method> <method name="length_squared"> <return type="float"> </return> <description> - Returns the vector's length squared. Prefer this method over [method length] if you need to sort vectors or need the squared length for some formula. + Returns the squared length (squared magnitude) of this vector. + This method runs faster than [method length], so prefer it if you need to compare vectors or need the squared distance for some formula. </description> </method> <method name="lerp"> @@ -202,7 +208,7 @@ <argument index="1" name="t" type="float"> </argument> <description> - Returns the result of the linear interpolation between this vector and [code]b[/code] by amount [code]t[/code]. [code]t[/code] is in the range of [code]0.0 - 1.0[/code], representing the amount of interpolation. + Returns the result of the linear interpolation between this vector and [code]b[/code] by amount [code]t[/code]. [code]t[/code] is on the range of 0.0 to 1.0, representing the amount of interpolation. </description> </method> <method name="move_toward"> @@ -229,7 +235,7 @@ <argument index="0" name="mod" type="float"> </argument> <description> - Returns a vector composed of the [code]fposmod[/code] of this vector's components and [code]mod[/code]. + Returns a vector composed of the [method @GDScript.fposmod] of this vector's components and [code]mod[/code]. </description> </method> <method name="posmodv"> @@ -238,7 +244,7 @@ <argument index="0" name="modv" type="Vector2"> </argument> <description> - Returns a vector composed of the [code]fposmod[/code] of this vector's components and [code]modv[/code]'s components. + Returns a vector composed of the [method @GDScript.fposmod] of this vector's components and [code]modv[/code]'s components. </description> </method> <method name="project"> @@ -279,7 +285,7 @@ <return type="Vector2"> </return> <description> - Returns the vector with each component set to one or negative one, depending on the signs of the components. + Returns the vector with each component set to one or negative one, depending on the signs of the components, or zero if the component is zero, by calling [method @GDScript.sign] on each component. </description> </method> <method name="slerp"> @@ -290,7 +296,7 @@ <argument index="1" name="t" type="float"> </argument> <description> - Returns the result of spherical linear interpolation between this vector and [code]b[/code], by amount [code]t[/code]. [code]t[/code] is in the range of [code]0.0 - 1.0[/code], representing the amount of interpolation. + Returns the result of spherical linear interpolation between this vector and [code]b[/code], by amount [code]t[/code]. [code]t[/code] is on the range of 0.0 to 1.0, representing the amount of interpolation. [b]Note:[/b] Both vectors must be normalized. </description> </method> @@ -300,7 +306,7 @@ <argument index="0" name="n" type="Vector2"> </argument> <description> - Returns the component of the vector along a plane defined by the given normal. + Returns this vector slid along a plane defined by the given normal. </description> </method> <method name="snapped"> @@ -309,14 +315,14 @@ <argument index="0" name="by" type="Vector2"> </argument> <description> - Returns the vector snapped to a grid with the given size. + Returns this vector with each component snapped to the nearest multiple of [code]step[/code]. This can also be used to round to an arbitrary number of decimals. </description> </method> <method name="tangent"> <return type="Vector2"> </return> <description> - Returns a perpendicular vector. + Returns a perpendicular vector rotated 90 degrees counter-clockwise compared to the original, with the same length. </description> </method> </methods> @@ -336,25 +342,25 @@ Enumerated value for the Y axis. </constant> <constant name="ZERO" value="Vector2( 0, 0 )"> - Zero vector. + Zero vector, a vector with all components set to [code]0[/code]. </constant> <constant name="ONE" value="Vector2( 1, 1 )"> - One vector. + One vector, a vector with all components set to [code]1[/code]. </constant> <constant name="INF" value="Vector2( inf, inf )"> - Infinity vector. + Infinity vector, a vector with all components set to [constant @GDScript.INF]. </constant> <constant name="LEFT" value="Vector2( -1, 0 )"> - Left unit vector. + Left unit vector. Represents the direction of left. </constant> <constant name="RIGHT" value="Vector2( 1, 0 )"> - Right unit vector. + Right unit vector. Represents the direction of right. </constant> <constant name="UP" value="Vector2( 0, -1 )"> - Up unit vector. + Up unit vector. Y is down in 2D, so this vector points -Y. </constant> <constant name="DOWN" value="Vector2( 0, 1 )"> - Down unit vector. + Down unit vector. Y is down in 2D, so this vector points +Y. </constant> </constants> </class> |