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