77 lines
1.8 KiB
GDScript
77 lines
1.8 KiB
GDScript
extends Resource
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class_name TerrainData
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const TERRAIN_IMAGE_GAME_FACTOR = 40
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const DEFAULT_CONTAMINATION_CENTRAL_ZONE_MAX_SIZE = 300
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const DEFAULT_CONTAMINATION_CENTRAL_ZONE_MIN_SIZE = 50
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signal terrain_updated
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@export var terrainSize : Vector2 = Vector2(1000,1000)
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@export var contamination : Image = null
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func generate_default_contamination(
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central_zone_max_size : int = DEFAULT_CONTAMINATION_CENTRAL_ZONE_MAX_SIZE,
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central_zone_min_size : int = DEFAULT_CONTAMINATION_CENTRAL_ZONE_MIN_SIZE,
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):
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var noise: Noise = FastNoiseLite.new()
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noise.seed = randi()
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noise.noise_type = FastNoiseLite.TYPE_CELLULAR
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noise.frequency = 0.005 * TERRAIN_IMAGE_GAME_FACTOR
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var imageSize = terrainSize / TERRAIN_IMAGE_GAME_FACTOR;
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var noise_image = noise.get_image(
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imageSize.x,
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imageSize.y,
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1.0
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)
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ImageTools.draw_gradient(
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noise_image,
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imageSize/2,
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central_zone_min_size / TERRAIN_IMAGE_GAME_FACTOR
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)
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ImageTools.draw_gradient(
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noise_image,
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imageSize/2,
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central_zone_max_size / TERRAIN_IMAGE_GAME_FACTOR,
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Color.BLACK,
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true
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)
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ImageTools.flatten(noise_image, 0.5)
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contamination = Image.create(
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imageSize.x,
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imageSize.y,
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false,
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Image.Format.FORMAT_L8
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)
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contamination.copy_from(noise_image)
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func impact_contamination(position : Vector2, impact_radius : int, to_value : float = 1.):
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ImageTools.draw_circle(
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contamination,
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position / TERRAIN_IMAGE_GAME_FACTOR,
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impact_radius / TERRAIN_IMAGE_GAME_FACTOR,
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Color(1., 1., 1., to_value)
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)
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func get_contamination(point : Vector2) -> float:
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var pixel_point : Vector2 = (
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Vector2(point) / float(TERRAIN_IMAGE_GAME_FACTOR)
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- Vector2.ONE / 2
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)
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return contamination.get_pixel(
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int(round(pixel_point.x)),
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int(round(pixel_point.y))
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).r
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func get_decontamination_coverage() -> float:
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return ImageTools.get_color_coverage(contamination)
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