tweaks

1 files changed, 5 insertions, 1 deletions

diff --git a/src/sim/lib/force.rs b/src/sim/lib/force.rs
index d461589..e3150c0 100644
--- a/src/sim/lib/force.rs
+++ b/src/sim/lib/force.rs
@@ -100,12 +100,13 @@ pub fn apply_explosion(
 // TODO profile packing entity ID into cells?
 // TODO sink power in a radius around the impact
 // might improve performance by a lot if we don't have to raycast for hit entities
-pub fn apply_bullet(ctx: &mut SimCtx, from: Vec2, to: Vec2, power: u32) {
+pub fn apply_bullet(ctx: &mut SimCtx, from: Vec2, to: Vec2, power: u32) -> Vec2 {
     let dda = AwDda::new(from, to);
     let mut p = power as i32;
 
     let dir = (to - from).normalize();
 
+    let mut stopped_at = to;
     for collision in dda {
         if let Some(cell) = ctx
             .cell_manager
@@ -124,6 +125,7 @@ pub fn apply_bullet(ctx: &mut SimCtx, from: Vec2, to: Vec2, power: u32) {
 
             p -= m.density as i32;
             if p <= 0 {
+                stopped_at = collision.as_vec2();
                 break;
             }
 
@@ -145,4 +147,6 @@ pub fn apply_bullet(ctx: &mut SimCtx, from: Vec2, to: Vec2, power: u32) {
             }
         }
     }
+
+    stopped_at
 }