63 lines
1.7 KiB
GDScript3
63 lines
1.7 KiB
GDScript3
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class_name SpeedPad extends Area3D
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const BASE_ANIM_SPEED: float = 0.1
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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 turn45: int
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var turn90: int
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var turn135: int
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var turn180: int
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var anim_progress: float = 0.0
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func _ready() -> void:
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turn45 = mesh.find_blend_shape_by_name(&'Turn45')
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turn90 = mesh.find_blend_shape_by_name(&'Turn90')
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turn135 = mesh.find_blend_shape_by_name(&'Turn135')
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turn180 = mesh.find_blend_shape_by_name(&'Turn180')
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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 _process(delta: float) -> void:
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anim_progress = fposmod(
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anim_progress + delta*launch_speed*BASE_ANIM_SPEED,
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1.0
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)
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var subprogress: float
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var increase: int = -1
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var decrease: int = -1
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if anim_progress < 0.25:
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subprogress = clampf(4.0*anim_progress, 0.0, 1.0)
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decrease = turn180
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increase = turn45
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elif anim_progress < 0.5:
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subprogress = clampf(4.0*(anim_progress - 0.25), 0.0, 1.0)
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decrease = turn45
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increase = turn90
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elif anim_progress < 0.75:
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subprogress = clampf(4.0*(anim_progress - 0.5), 0.0, 1.0)
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decrease = turn90
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increase = turn135
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else:
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subprogress = clampf(4.0*(anim_progress - 0.75), 0.0, 1.0)
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decrease = turn135
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increase = turn180
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if decrease == turn180:
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mesh.set_blend_shape_value(decrease, 0.0)
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else:
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mesh.set_blend_shape_value(
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decrease,
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clampf(1.0 - subprogress, 0.0, 1.0)
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)
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mesh.set_blend_shape_value(increase, subprogress)
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func propel(body: PhysicsBody3D) -> void:
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if body is RigidBody3D:
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audio_player.play()
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(body as RigidBody3D).linear_velocity += launch_speed*basis.z
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