oxiphysics_gpu/kernels/rigid/
integratevelocitykernel_traits.rs1#[allow(unused_imports)]
12use super::functions::*;
13use crate::compute::ComputeKernel;
14
15use super::types::IntegrateVelocityKernel;
16
17#[allow(clippy::needless_range_loop)]
18impl ComputeKernel for IntegrateVelocityKernel {
19 fn name(&self) -> &str {
20 "IntegrateVelocityKernel"
21 }
22 fn execute(&self, inputs: &[&[f64]], outputs: &mut [Vec<f64>], work_size: usize) {
23 if inputs.len() < 4 || outputs.is_empty() {
24 return;
25 }
26 let vel = inputs[0];
27 let force = inputs[1];
28 let inv_mass = inputs[2];
29 let dt = inputs[3][0];
30 let n = work_size;
31 let mut new_vel = vec![0.0; n * 3];
32 for i in 0..n {
33 let im = inv_mass[i];
34 new_vel[i * 3] = vel[i * 3] + force[i * 3] * im * dt;
35 new_vel[i * 3 + 1] = vel[i * 3 + 1] + force[i * 3 + 1] * im * dt;
36 new_vel[i * 3 + 2] = vel[i * 3 + 2] + force[i * 3 + 2] * im * dt;
37 }
38 outputs[0] = new_vel;
39 }
40}