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Minor Improvement to Boids base #1

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Minor Improvement to Boids base #1

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69 changes: 36 additions & 33 deletions GodotBoids/behaviors/Boid.gd
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ class_name Boid extends CharacterBody3D
@export var speed:float
@export var max_speed: float = 10.0

var behaviors = []
var behaviors : Array[SteeringBehavior] = []
@export var max_force = 10
@export var banking = 0.1
@export var damping = 0.1
Expand Down Expand Up @@ -86,16 +86,16 @@ func set_enabled(behavior, enabled):


func on_draw_gizmos():

DebugDraw3D.draw_arrow(global_transform.origin, global_transform.origin + transform.basis.z * 10.0 , Color(0, 0, 1), 0.1)
DebugDraw3D.draw_arrow(global_transform.origin, global_transform.origin + transform.basis.x * 10.0 , Color(1, 0, 0), 0.1)
DebugDraw3D.draw_arrow(global_transform.origin, global_transform.origin + transform.basis.y * 10.0 , Color(0, 1, 0), 0.1)
DebugDraw3D.draw_arrow(global_transform.origin, global_transform.origin + force, Color(1, 1, 0), 0.1)

var origin = global_transform.origin
var basis = transform.basis * 10.0
DebugDraw3D.draw_arrow(origin, origin + basis.z, Color(0, 0, 1), 0.1)
DebugDraw3D.draw_arrow(origin, origin + basis.x, Color(1, 0, 0), 0.1)
DebugDraw3D.draw_arrow(origin, origin + basis.y, Color(0, 1, 0), 0.1)
DebugDraw3D.draw_arrow(origin, origin + force, Color(1, 1, 0), 0.1)
if school and count_neighbors:
DebugDraw3D.draw_sphere(global_transform.origin, school.neighbor_distance, Color.WEB_PURPLE)
DebugDraw3D.draw_sphere(origin, school.neighbor_distance, Color.WEB_PURPLE)
for neighbor in neighbors:
DebugDraw3D.draw_sphere(neighbor.global_transform.origin, 3, Color.WEB_PURPLE)
DebugDraw3D.draw_sphere(neighbor.origin, 3, Color.WEB_PURPLE)

func seek_force(target: Vector3):
var toTarget = target - global_transform.origin
Expand Down Expand Up @@ -123,10 +123,10 @@ func _ready():

for i in get_child_count():
var child = get_child(i)
if child.has_method("calculate"):
if child is SteeringBehavior:
behaviors.push_back(child)
child.set_process(child.enabled)
# enable_all(false)
child.set_process(child.enabled)


func set_enabled_all(enabled):
for i in behaviors.size():
Expand Down Expand Up @@ -169,28 +169,31 @@ func _process(delta):
count_neighbors_simple()

func _physics_process(delta):
# pause = true
# lerp in the new forces
if should_calculate:
new_force = calculate()
should_calculate = false
force = lerp(force, new_force, delta)
if ! pause:
acceleration = force / mass
vel += acceleration * delta
speed = vel.length()
if speed > 0:
if max_speed == 0:
print("max_speed is 0")
vel = vel.limit_length(max_speed)

# Damping
vel -= vel * delta * damping

set_velocity(vel)
move_and_slide()

# Implement Banking as described:
# https://www.cs.toronto.edu/~dt/siggraph97-course/cwr87/
var temp_up = global_transform.basis.y.lerp(Vector3.UP + (acceleration * banking), delta * 5.0)
look_at(global_transform.origin - vel.normalized(), temp_up)

if pause:
return

# lerp in the new forces

acceleration = force / mass
vel += acceleration * delta
speed = vel.length()
if speed > 0:
if max_speed == 0:
push_warning("max_speed is 0")
vel = vel.limit_length(max_speed)

# Damping
vel -= vel * delta * damping

set_velocity(vel)
move_and_slide()

# Implement Banking as described:
# https://www.cs.toronto.edu/~dt/siggraph97-course/cwr87/
var temp_up = global_transform.basis.y.lerp(Vector3.UP + (acceleration * banking), delta * 5.0)
look_at(global_transform.origin - vel.normalized(), temp_up)