From 4bfbf641dc2b8aca8de9f86a9908063f39bd6e31 Mon Sep 17 00:00:00 2001
From: jacopograndi <jacopo.grandi@outlook.it>
Date: Fri, 14 Jan 2022 13:04:34 +0100
Subject: .

---
 scripts/bullet.gd | 39 +++++++++++++++++++++++++++++++++++----
 1 file changed, 35 insertions(+), 4 deletions(-)

(limited to 'scripts/bullet.gd')

diff --git a/scripts/bullet.gd b/scripts/bullet.gd
index 994d3d1..3716a4e 100644
--- a/scripts/bullet.gd
+++ b/scripts/bullet.gd
@@ -9,6 +9,8 @@ var timer = 0
 var time_life = 3
 var speed = 7
 var hit_something = false
+var bounce = false
+var hitlist = []
 
 func _ready():
 	_enemies_holder = get_tree().root.get_child(0).find_node("enemies")
@@ -16,8 +18,31 @@ func _ready():
 
 func _physics_process(delta):
 	var forward_dir = -global_transform.basis.z.normalized()
-	global_translate(forward_dir * speed * delta)
-
+	if bounce:
+		var space: PhysicsDirectSpaceState = get_world().direct_space_state
+		var from = transform.origin 
+		var to = transform.origin + forward_dir * speed * delta
+		var mask = 0b0101
+		var result = space.intersect_ray(from, to, [], mask)
+		if result.size() > 0:
+			hitlist.clear()
+			var bounced = forward_dir.bounce(result.normal).normalized()
+			var z = -bounced;
+			var x = bounced.cross(result.normal).normalized();
+			var y = x.cross(z).normalized();
+			var basis = Basis(x, y, z);
+			global_transform.basis = basis
+			forward_dir = -global_transform.basis.z.normalized()
+			var dist = transform.origin.distance_to(result.position)
+			transform.origin = result.position
+			var amt = speed * delta - dist
+			global_translate(forward_dir * amt)
+		else:
+			global_translate(forward_dir * speed * delta)
+	else:
+		global_translate(forward_dir * speed * delta)
+		
+	
 	timer += delta
 	if timer >= time_life:
 		queue_free()
@@ -25,11 +50,17 @@ func _physics_process(delta):
 func collided(body):
 	var parent = body.get_parent()
 	if parent == shooter: return
+	if parent in hitlist: return
 	
 	if hit_something == false:
 		var groups = parent.get_groups()
 		if "enemies" in groups:
 			_enemies_holder.damage(parent.name, damage)
+			
+
+	if !bounce:
+		hit_something = true
+		queue_free()
+	else:
+		hitlist.append(parent)
 
-	hit_something = true
-	queue_free()
-- 
cgit v1.2.3-54-g00ecf