diff options
Diffstat (limited to 'doc/classes/Vector3.xml')
| -rw-r--r-- | doc/classes/Vector3.xml | 48 |
1 files changed, 38 insertions, 10 deletions
diff --git a/doc/classes/Vector3.xml b/doc/classes/Vector3.xml index 150d53845c..1d7eda6bb9 100644 --- a/doc/classes/Vector3.xml +++ b/doc/classes/Vector3.xml @@ -5,7 +5,8 @@ </brief_description> <description> 3-element structure that can be used to represent positions in 3D space or any other triplet of numeric values. - It uses floating-point coordinates. See [Vector3i] for its integer counterpart. + It uses floating-point coordinates. By default, these floating-point values use 32-bit precision, unlike [float] which is always 64-bit. If double precision is needed, compile the engine with the option [code]float=64[/code]. + See [Vector3i] for its integer counterpart. [b]Note:[/b] In a boolean context, a Vector3 will evaluate to [code]false[/code] if it's equal to [code]Vector3(0, 0, 0)[/code]. Otherwise, a Vector3 will always evaluate to [code]true[/code]. </description> <tutorials> @@ -61,6 +62,16 @@ Returns the unsigned minimum angle to the given vector, in radians. </description> </method> + <method name="bezier_derivative" qualifiers="const"> + <return type="Vector3" /> + <param index="0" name="control_1" type="Vector3" /> + <param index="1" name="control_2" type="Vector3" /> + <param index="2" name="end" type="Vector3" /> + <param index="3" name="t" type="float" /> + <description> + Returns the derivative at the given [param t] on the [url=https://en.wikipedia.org/wiki/B%C3%A9zier_curve]Bézier curve[/url] defined by this vector and the given [param control_1], [param control_2], and [param end] points. + </description> + </method> <method name="bezier_interpolate" qualifiers="const"> <return type="Vector3" /> <param index="0" name="control_1" type="Vector3" /> @@ -68,7 +79,7 @@ <param index="2" name="end" type="Vector3" /> <param index="3" name="t" type="float" /> <description> - Returns the point at the given [param t] on the [url=https://en.wikipedia.org/wiki/B%C3%A9zier_curve]Bezier curve[/url] defined by this vector and the given [param control_1], [param control_2], and [param end] points. + Returns the point at the given [param t] on the [url=https://en.wikipedia.org/wiki/B%C3%A9zier_curve]Bézier curve[/url] defined by this vector and the given [param control_1], [param control_2], and [param end] points. </description> </method> <method name="bounce" qualifiers="const"> @@ -174,10 +185,23 @@ Returns [code]true[/code] if this vector and [param to] are approximately equal, by running [method @GlobalScope.is_equal_approx] on each component. </description> </method> + <method name="is_finite" qualifiers="const"> + <return type="bool" /> + <description> + Returns [code]true[/code] if this vector is finite, by calling [method @GlobalScope.is_finite] on each component. + </description> + </method> <method name="is_normalized" qualifiers="const"> <return type="bool" /> <description> - Returns [code]true[/code] if the vector is normalized, [code]false[/code] otherwise. + Returns [code]true[/code] if the vector is [method normalized], [code]false[/code] otherwise. + </description> + </method> + <method name="is_zero_approx" qualifiers="const"> + <return type="bool" /> + <description> + Returns [code]true[/code] if this vector's values are approximately zero, by running [method @GlobalScope.is_zero_approx] on each component. + This method is faster than using [method is_equal_approx] with one value as a zero vector. </description> </method> <method name="length" qualifiers="const"> @@ -231,18 +255,22 @@ <method name="normalized" qualifiers="const"> <return type="Vector3" /> <description> - Returns the vector scaled to unit length. Equivalent to [code]v / v.length()[/code]. + Returns the vector scaled to unit length. Equivalent to [code]v / v.length()[/code]. See also [method is_normalized]. </description> </method> <method name="octahedron_decode" qualifiers="static"> <return type="Vector3" /> <param index="0" name="uv" type="Vector2" /> <description> + Returns the [Vector3] from an octahedral-compressed form created using [method octahedron_encode] (stored as a [Vector2]). </description> </method> <method name="octahedron_encode" qualifiers="const"> <return type="Vector2" /> <description> + Returns the octahedral-encoded (oct32) form of this [Vector3] as a [Vector2]. Since a [Vector2] occupies 1/3 less memory compared to [Vector3], this form of compression can be used to pass greater amounts of [method normalized] [Vector3]s without increasing storage or memory requirements. See also [method octahedron_decode]. + [b]Note:[/b] [method octahedron_encode] can only be used for [method normalized] vectors. [method octahedron_encode] does [i]not[/i] check whether this [Vector3] is normalized, and will return a value that does not decompress to the original value if the [Vector3] is not normalized. + [b]Note:[/b] Octahedral compression is [i]lossy[/i], although visual differences are rarely perceptible in real world scenarios. </description> </method> <method name="outer" qualifiers="const"> @@ -270,14 +298,14 @@ <return type="Vector3" /> <param index="0" name="b" type="Vector3" /> <description> - Returns this vector projected onto the vector [param b]. + Returns the result of projecting the vector onto the given vector [param b]. </description> </method> <method name="reflect" qualifiers="const"> <return type="Vector3" /> <param index="0" name="n" type="Vector3" /> <description> - Returns this vector reflected from a plane defined by the given normal. + Returns the result of reflecting the vector from a plane defined by the given normal [param n]. </description> </method> <method name="rotated" qualifiers="const"> @@ -285,7 +313,7 @@ <param index="0" name="axis" type="Vector3" /> <param index="1" name="angle" type="float" /> <description> - Rotates this vector around a given axis by [param angle] (in radians). The axis must be a normalized vector. + Returns the result of rotating this vector around a given axis by [param angle] (in radians). The axis must be a normalized vector. See also [method @GlobalScope.deg_to_rad]. </description> </method> <method name="round" qualifiers="const"> @@ -297,7 +325,7 @@ <method name="sign" qualifiers="const"> <return type="Vector3" /> <description> - Returns a new 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 @GlobalScope.sign] on each component. + Returns a new vector with each component set to [code]1.0[/code] if it's positive, [code]-1.0[/code] if it's negative, and [code]0.0[/code] if it's zero. The result is identical to calling [method @GlobalScope.sign] on each component. </description> </method> <method name="signed_angle_to" qualifiers="const"> @@ -321,14 +349,14 @@ <return type="Vector3" /> <param index="0" name="n" type="Vector3" /> <description> - Returns this vector slid along a plane defined by the given normal. + Returns a new vector slid along a plane defined by the given normal. </description> </method> <method name="snapped" qualifiers="const"> <return type="Vector3" /> <param index="0" name="step" type="Vector3" /> <description> - Returns this vector with each component snapped to the nearest multiple of [param step]. This can also be used to round to an arbitrary number of decimals. + Returns a new vector with each component snapped to the nearest multiple of the corresponding component in [param step]. This can also be used to round the components to an arbitrary number of decimals. </description> </method> </methods> |