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Clamp NPCs to surface

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This commit is contained in:
Joshua Barretto 2022-08-11 22:06:25 +01:00
parent 558dd99fd3
commit df63e41a23
1 changed files with 6 additions and 0 deletions
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6
rtsim/src/rule/simulate_npcs.rs
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@ -20,6 +20,7 @@ impl Rule for SimulateNpcs {
{ {
let body = npc.get_body(); let body = npc.get_body();
// Move NPCs if they have a target
if let Some((target, speed_factor)) = npc.target { if let Some((target, speed_factor)) = npc.target {
npc.wpos += Vec3::from( npc.wpos += Vec3::from(
(target.xy() - npc.wpos.xy()) (target.xy() - npc.wpos.xy())
@ -29,6 +30,11 @@ impl Rule for SimulateNpcs {
* speed_factor, * speed_factor,
) * ctx.event.dt; ) * ctx.event.dt;
} }
// Make sure NPCs remain on the surface
npc.wpos.z = ctx.world.sim()
.get_alt_approx(npc.wpos.xy().map(|e| e as i32))
.unwrap_or(0.0);
} }
// Do some thinking. TODO: Not here! // Do some thinking. TODO: Not here!