stick-the-quick/objects/Springboard/Springboard.gd

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GDScript3
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class_name Springboard extends Area3D
const BASE_ANIM_SPEED: float = 5.0
@export var launch_speed: float = 30.0
@onready var mesh := $'Mesh' as MeshInstance3D
@onready var audio_player := $'AudioStreamPlayer' as AudioStreamPlayer
var boing: int
var anim_progress: float = -1.0
func _ready() -> void:
boing = mesh.find_blend_shape_by_name(&'Boing')
body_entered.connect(propel)
mesh.set_instance_shader_parameter(
&'hue_shift',
launch_speed - 30.0
)
func propel(body: PhysicsBody3D) -> void:
if body is RigidBody3D:
if body is Runner:
var runner := body as Runner
runner.change_state(&'jump')
runner.up_normal = basis.y
audio_player.play()
anim_progress = 0.0
(body as RigidBody3D).linear_velocity = launch_speed*basis.y
func _process(delta: float) -> void:
if anim_progress >= 0.0:
anim_progress += delta*BASE_ANIM_SPEED
if anim_progress < 1.0:
mesh.set_blend_shape_value(
boing, clampf(1.0 - 2.0*abs(anim_progress - 0.5), 0.0, 1.0)
)
else:
mesh.set_blend_shape_value(boing, 0.0)
anim_progress = -1.0