Struct VectorFieldGizmo 

pub struct VectorFieldGizmo {
    pub grid_origin: Vec3,
    pub grid_size: Vec3,
    pub cell_count: [u32; 3],
    pub arrow_scale: f32,
    pub color_min: Vec4,
    pub color_max: Vec4,
    pub max_magnitude: f32,
    pub visible: bool,
}

Samples a force field and draws vectors as arrows.

Fields

grid_origin: Vec3

grid_size: Vec3

cell_count: [u32; 3]

arrow_scale: f32

color_min: Vec4

color_max: Vec4

max_magnitude: f32

visible: bool

Implementations

impl VectorFieldGizmo

pub fn new(origin: Vec3, size: Vec3, cells: [u32; 3]) -> Self

pub fn sample_positions(&self) -> Vec<Vec3>

Sample positions for the vector field grid.

pub fn make_arrow(&self, pos: Vec3, vector: Vec3) -> (Vec3, Vec3, Vec4)

Given a vector value at a position, produce an arrow (start, end, color).

pub fn arrows_for_samples( &self, samples: &[(Vec3, Vec3)], ) -> Vec<(Vec3, Vec3, Vec4)>

Generate arrows for a set of (position, vector) samples.

pub fn color_for_magnitude(&self, magnitude: f32) -> Vec4

Color interpolated by magnitude.

Trait Implementations

impl Clone for VectorFieldGizmo

fn clone(&self) -> VectorFieldGizmo

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for VectorFieldGizmo

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.