46 lines
1016 B
GDScript
46 lines
1016 B
GDScript
extends Spatial
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export var size: int = 1024
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var heightmap: Image = Image.new()
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signal world_generated
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func _ready():
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# init_heightmap()
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init_noisemap()
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pass
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func init_heightmap():
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heightmap.create(size, size, 0, Image.FORMAT_RF)
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heightmap.lock()
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for i in range (size):
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for j in range (size):
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if (i + j) % 2 == 0:
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heightmap.set_pixel(i, j, Color(0.1, 0.0, 0.0))
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else:
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heightmap.set_pixel(i, j, Color(0.0, 0.0, 0.0))
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heightmap.unlock()
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func init_noisemap():
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var noise_texture = NoiseTexture.new()
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var noise_generator = OpenSimplexNoise.new()
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noise_generator.seed = -1626828106#randi()
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print ("seed: ", noise_generator.seed)
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noise_generator.octaves = 3
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noise_generator.period = 5
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noise_generator.persistence = 0.5
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noise_generator.lacunarity = 2
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noise_texture.seamless = true
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heightmap.copy_from(noise_generator.get_seamless_image(size))
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emit_signal("world_generated")
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func get_height(coord: Vector2) -> float:
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return heightmap.get_pixel(coord.x, coord.y).r * 3 - 1.5
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