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Quaternions 2023-10-30 16:13:57 -07:00
parent 6474ddcbd1
commit 9848d66001
1 changed files with 13 additions and 13 deletions
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26
src/graphics.rs
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@ -972,19 +972,19 @@ const MODEL_BUFFER_SIZE_BYTES:usize=MODEL_BUFFER_SIZE*4;
fn get_instances_buffer_data(instances:&[ModelGraphicsInstance]) -> Vec<f32> {
let mut raw = Vec::with_capacity(MODEL_BUFFER_SIZE*instances.len());
for (i,mi) in instances.iter().enumerate(){
let mut v = raw.split_off(MODEL_BUFFER_SIZE*i);
//model transform
raw.extend_from_slice(&AsRef::<[f32; 4*4]>::as_ref(&mi.transform)[..]);
//normal transform
raw.extend_from_slice(AsRef::<[f32; 3]>::as_ref(&mi.normal_transform.x_axis));
raw.extend_from_slice(&[0.0]);
raw.extend_from_slice(AsRef::<[f32; 3]>::as_ref(&mi.normal_transform.y_axis));
raw.extend_from_slice(&[0.0]);
raw.extend_from_slice(AsRef::<[f32; 3]>::as_ref(&mi.normal_transform.z_axis));
raw.extend_from_slice(&[0.0]);
//color
raw.extend_from_slice(AsRef::<[f32; 4]>::as_ref(&mi.color.get()));
raw.append(&mut v);
let mut v = raw.split_off(MODEL_BUFFER_SIZE*i);
//model transform
raw.extend_from_slice(&AsRef::<[f32; 4*4]>::as_ref(&mi.transform)[..]);
//normal transform
raw.extend_from_slice(AsRef::<[f32; 3]>::as_ref(&mi.normal_transform.x_axis));
raw.extend_from_slice(&[0.0]);
raw.extend_from_slice(AsRef::<[f32; 3]>::as_ref(&mi.normal_transform.y_axis));
raw.extend_from_slice(&[0.0]);
raw.extend_from_slice(AsRef::<[f32; 3]>::as_ref(&mi.normal_transform.z_axis));
raw.extend_from_slice(&[0.0]);
//color
raw.extend_from_slice(AsRef::<[f32; 4]>::as_ref(&mi.color.get()));
raw.append(&mut v);
}
raw
}