how to apply damage based on distance to center of explosion?
so the center should be max damage and less or none at the end of the 'area' node or given distance.
extends RigidDynamicBody3D
@export var area : Area3D
@export var force = 5.0
@export var EXPLOSION_TIME = 0.5
@export var explosionFX : PackedScene
@export var mesh : Node
@export var sparks : Node
var explosion_timer = 0.0
var exploded = false
@export var FUSE_TIME = 3.0
var fuse_timer = 0
@export var EXPLOSION_DAMAGE = 100
@export var COLLISION_FORCE = 8
func _ready():
set_physics_process(false)
func _physics_process(delta):
if fuse_timer < FUSE_TIME:
fuse_timer += delta
if fuse_timer >= FUSE_TIME:
sparks.emitting = false
mesh.visible = false
var explo_instance = explosionFX.instantiate()
get_tree().get_root().add_child(explo_instance)
explo_instance.global_transform.origin = self.global_transform.origin
self.freeze = true
for body in area.get_overlapping_bodies():
if body.has_method("damage"):
body.damage(EXPLOSION_DAMAGE)
if body is RigidDynamicBody3D:
#print(body.name)
var direction_vector = body.global_transform.origin - area.global_transform.origin
var distance = direction_vector.length()
var collision_force = (force / distance) * body.mass
body.apply_impulse(direction_vector.normalized() * collision_force, Vector3.ZERO)
exploded = true
if exploded:
explosion_timer += delta
if explosion_timer >= EXPLOSION_TIME:
area.monitoring = false
queue_free()
func start():
set_physics_process(true)
sparks.emitting = true
