Struct ParallaxScroller 

pub struct ParallaxScroller {
    pub layers: Vec<ParallaxLayer>,
    pub scroll_position: Vec2,
}

Multi-layer parallax scrolling system.

Fields

layers: Vec<ParallaxLayer>

scroll_position: Vec2

Implementations

impl ParallaxScroller

pub fn new() -> Self

pub fn add_layer(&mut self, layer: ParallaxLayer) -> usize

Add a layer. Returns the layer index.

pub fn standard_layers(num_layers: usize) -> Self

Create a standard multi-layer parallax setup.

pub fn scroll(&mut self, delta: Vec2)

Update scroll position.

pub fn set_position(&mut self, position: Vec2)

Set absolute scroll position.

pub fn layer_uv(&self, layer_index: usize, base_uv: Vec2) -> Vec2

Get the UV offset for a specific layer.

pub fn all_layer_uvs(&self, base_uv: Vec2) -> Vec<(Vec2, f32)>

Get all layer UVs for a given base UV.

Trait Implementations

impl Default for ParallaxScroller

fn default() -> Self

Returns the “default value” for a type.