Struct WalkSprite 

pub struct WalkSprite {
    pub frame_w: u32,
    pub frame_h: u32,
    pub rows: u32,
    pub cols: u32,
    /* private fields */
}

A walk-cycle sprite sheet sliced into uniform frame_w × frame_h cells.

Fields

frame_w: u32

frame_h: u32

rows: u32

cols: u32

Implementations

impl WalkSprite

pub fn from_rgba( pixels: Vec<Rgba>, sheet_w: u32, sheet_h: u32, frame_w: u32, frame_h: u32, ) -> Result<Self, String>

Build from decoded RGBA pixels (sheet_w * sheet_h), sliced into cells.

pub fn pixel(&self, row: u32, col: u32, fx: u32, fy: u32) -> Rgba

Pixel of frame (row, col) at frame-local (fx, fy); transparent if out of range.

pub fn draw_on_tile( &self, fb: &mut FrameBuffer, row: u32, col: u32, foot_x: i32, foot_y: i32, tile: i32, )

Blit frame (row, col) bottom-centred on the foot tile whose top-left is (foot_x, foot_y) in screen pixels (tile size tile); the head extends above. Transparent pixels are skipped; drawing is clipped to the framebuffer.