Function bloom_scene_set_transform

native/watchos/src/lib.rs:805–811

(handle: f64, matrix_ptr: i64)

/// forwards as a pointer to the Float64 data.
#[no_mangle]
pub extern "C" fn bloom_scene_set_transform(handle: f64, matrix_ptr: i64) {
    if matrix_ptr == 0 { return; }
    let src = unsafe { std::slice::from_raw_parts(matrix_ptr as *const f64, 16) };
    let mut arr = [0.0f32; 16];
    for i in 0..16 { arr[i] = src[i] as f32; }
    scene::set_transform(handle as u32, arr);
}

/// Geometry: vert_ptr points to `vertex_count * 12` f64s (12 floats per
/// vertex: xyz, nx ny nz, rgba, uv). idx_ptr points to `index_count` f64s