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73 lines
1.9 KiB
73 lines
1.9 KiB
extends Spatial
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signal world_loaded
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export(int) var width = 2000
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export(int) var height = 2000
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export(int) var spacing = 20
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export(int, 1, 9) var octaves = 5
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export(int, 1, 30) var wavelength = 8
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export(int) var border_width = 200
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export(int) var terraces = 24
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export(int) var terrace_height = 5
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export(int) var mountain_height = 6
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export(int) var river_proba = 200
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var rng = RandomNumberGenerator.new()
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var noise = OpenSimplexNoise.new()
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var terrain
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func _ready():
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rng.randomize()
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noise.seed = rng.randi()
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noise.octaves = octaves
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terrain = Terrain.new(width,height,spacing,true)
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init_points_data()
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print(terrain)
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emit_signal("world_loaded", terrain)
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func init_points_data():
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for point in terrain.get_points():
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point.set_elevation(find_point_elevation(point.point2d()))
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# points_data.append({
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# "elevation": 0,
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# "used": false,
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# "water": false,
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# "ocean": false,
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# "coast": false,
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# "mountain": false,
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# "river": false
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# })
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for triangle in terrain.get_triangles():
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triangle.set_data("elevation", find_triangle_elevation(triangle))
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func find_point_elevation(point):
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var border = border_width + rng.randf_range(-20.0, 20.0)
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var elevation = noise.get_noise_2d(point.x / wavelength, point.y / wavelength)
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if point.x < border:
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elevation -= ((border - point.x) / border) / 2.0
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if point.y < border:
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elevation -= (border - point.y) / border
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if point.x > width - border:
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elevation -= (border - (width - point.x)) / border
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if point.y > height - border:
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elevation -= (border - (height - point.y)) / border
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elevation = max(elevation, -1)
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if elevation > 0.1:
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elevation = max(pow((elevation) * 1.2, 1.5), 0.1)
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elevation = min(elevation, 1)
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# elevation = elevation * terraces
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return elevation
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func find_triangle_elevation(triangle):
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var elevation = 0
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for point in triangle.points():
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elevation += point.get_elevation()
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elevation /= 3
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return elevation
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