From 2802e0da909d8618e7a7bbae867e31eec0158f79 Mon Sep 17 00:00:00 2001
From: Quaternions <krakow20@gmail.com>
Date: Wed, 8 Nov 2023 20:23:52 -0800
Subject: [PATCH] tweak elasticity calc
---
src/physics.rs | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/physics.rs b/src/physics.rs
index 90be5dd..d9b433a 100644
--- a/src/physics.rs
+++ b/src/physics.rs
@@ -1353,8 +1353,9 @@ impl crate::instruction::InstructionConsumer<PhysicsInstruction> for PhysicsStat
Some(crate::model::ContactingBehaviour::Cling)=>println!("Unimplemented!"),
&Some(crate::model::ContactingBehaviour::Elastic(elasticity))=>{
let n=self.models.mesh(contact.model_id).face_nd(contact.face_id).0;
- let d=n.dot(v)*Planar64::raw(-1-elasticity as i64);
- v-=n*(d/n.dot(n));
+ //velocity and normal are facing opposite directions so this is inherently negative.
+ let d=n.dot(v)*(Planar64::ONE+Planar64::raw(elasticity as i64+1));
+ v+=n*(d/n.dot(n));
},
Some(crate::model::ContactingBehaviour::Ladder(contacting_ladder))=>{
if contacting_ladder.sticky{