53 lines
2.0 KiB
GDScript
53 lines
2.0 KiB
GDScript
extends Node2D
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## Terrain scrolls at 1x; this elevated mist moves at 1.22x and 1.34x.
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const TEXTURE := preload("res://assets/planets/cloud_mist.png")
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var seed_value := 0
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var _banks: Array[Dictionary] = []
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var _time := 0.0
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var clouds: Node2D
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var shadows: Node2D
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func _ready() -> void:
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texture_filter = CanvasItem.TEXTURE_FILTER_LINEAR_WITH_MIPMAPS
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shadows = Node2D.new()
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shadows.name = "CloudShadows"
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shadows.z_index = 5
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add_child(shadows)
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clouds = Node2D.new()
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clouds.name = "AboveLander"
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clouds.z_index = 70
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add_child(clouds)
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var rng := RandomNumberGenerator.new()
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rng.seed = seed_value ^ 0x434c4f55
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var mist_material := ShaderMaterial.new()
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mist_material.shader = preload("res://resources/effects/cloud_mist.gdshader")
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for y in range(-3,4):
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for x in range(-3,4):
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var mist := Sprite2D.new()
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mist.texture = TEXTURE
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mist.material = mist_material
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mist.scale = Vector2.ONE*rng.randf_range(1050,1550)/TEXTURE.get_width()
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mist.rotation = rng.randf_range(-PI,PI)
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mist.modulate = Color(0.9,0.95,1.0,rng.randf_range(0.24,0.34))
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clouds.add_child(mist)
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var shadow := Sprite2D.new()
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shadow.texture = TEXTURE
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shadow.material = mist_material
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shadow.scale = mist.scale
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shadow.rotation = mist.rotation
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shadow.modulate = Color(0.02,0.04,0.06,0.055)
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shadows.add_child(shadow)
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_banks.append({"mist":mist,"shadow":shadow,"origin":Vector2(x*800,y*800)+Vector2(rng.randf_range(-240,240),rng.randf_range(-240,240)),"parallax":1.22 if (x+y)%2 == 0 else 1.34,"speed":rng.randf_range(5,10)})
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_process(0)
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func _process(delta: float) -> void:
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_time += delta
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var camera := get_viewport().get_camera_2d()
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var center := camera.get_screen_center_position() if camera != null else Vector2.ZERO
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for bank in _banks:
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var drift := Vector2(float(bank.speed)*_time,float(bank.speed)*_time*0.3)
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var drifting: Vector2 = bank.origin+drift
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var location: Vector2 = Vector2(wrapf(drifting.x,-2800,2800),wrapf(drifting.y,-2800,2800))+center*(1.0-float(bank.parallax))
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bank.mist.position = location
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bank.shadow.position = location+Vector2(35,45)
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