diff --git a/src/body.rs b/src/body.rs
index 2658ae4..5e22f15 100644
--- a/src/body.rs
+++ b/src/body.rs
@@ -642,8 +642,8 @@ impl crate::instruction::InstructionConsumer<PhysicsInstruction> for PhysicsStat
 		match ins.instruction {
 			PhysicsInstruction::CollisionStart(c) => {
 				//flatten v
-				let n=c.normal(&self.models_cringe_clone).normalize();
-				let d=self.body.velocity.dot(n);
+				let n=c.normal(&self.models_cringe_clone);
+				let d=self.body.velocity.dot(n)/n.length_squared();
 				self.body.velocity-=d*n;
 				//check ground
 				match c.face {
diff --git a/src/main.rs b/src/main.rs
index 211ebbb..c6c35ad 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -292,7 +292,7 @@ impl strafe_client::framework::Example for Skybox {
 			controls:0,
 		};
 		let physics = strafe_client::body::PhysicsState {
-			body: strafe_client::body::Body::with_position(glam::Vec3::new(5.0,5.0,5.0)),
+			body: strafe_client::body::Body::with_position(glam::Vec3::new(5.0,2.0,5.0)),
 			time: 0,
 			tick: 0,
 			strafe_tick_num: 100,//100t