35 lines
1.0 KiB
GDScript3
35 lines
1.0 KiB
GDScript3
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class_name Bumper extends Area3D
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const BASE_SPIN_SPEED := 120.0
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const MIN_LAUNCH_SPEED := 12.0
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@export var launch_factor: float = 2.0
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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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func _ready() -> void:
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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_factor*MIN_LAUNCH_SPEED - 24.0
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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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var rbody := body as RigidBody3D
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audio_player.play()
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var launch_vector := -rbody.linear_velocity.project(
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rbody.global_position + rbody.center_of_mass - global_position
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)*launch_factor
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if launch_vector.is_zero_approx():
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launch_vector = Vector3.UP*launch_factor
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elif launch_vector.length() < launch_factor*MIN_LAUNCH_SPEED:
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launch_vector = (
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launch_vector.normalized()*launch_factor*MIN_LAUNCH_SPEED
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)
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rbody.linear_velocity += launch_vector
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func _process(delta: float) -> void:
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global_rotation_degrees += Vector3.UP*BASE_SPIN_SPEED*launch_factor*delta
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