92 lines
2.3 KiB
GDScript
92 lines
2.3 KiB
GDScript
extends Control
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# The OpenSimplexNoise object.
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var noise = OpenSimplexNoise.new()
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var noise_texture = NoiseTexture.new()
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# Various noise parameters.
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var min_noise = -1
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var max_noise = 1
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# Are we using a NoiseTexture instead?
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# Noise textures automatically grab and apply the noise data to an ImageTexture, instead of manually.
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const use_noise_texture = false
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# Called when the node enters the scene tree for the first time.
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func _ready():
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# Set up noise with basic info.
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$ParameterContainer/SeedSpinBox.value = noise.seed
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$ParameterContainer/LacunaritySpinBox.value = noise.lacunarity
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$ParameterContainer/OctavesSpinBox.value = noise.octaves
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$ParameterContainer/PeriodSpinBox.value = noise.period
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$ParameterContainer/PersistenceSpinBox.value = noise.persistence
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# Render the noise.
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_refresh_noise_images()
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# Do we need to set up a noise texture?
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if use_noise_texture:
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noise_texture.noise = noise
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$SeamlessNoiseTexture.texture = noise_texture
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func _refresh_noise_images():
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# Adjust min/max for shader.
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var _min = (min_noise + 1) / 2
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var _max = (max_noise + 1) / 2
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var _material = $SeamlessNoiseTexture.material
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_material.set_shader_param("min_value", _min)
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_material.set_shader_param("max_value", _max)
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# Are we using noise textures instead?
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if use_noise_texture:
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return
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# Get a new image if we aren't using a NoiseTexture.
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var image = noise.get_seamless_image(500)
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var image_texture = ImageTexture.new()
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# Draw it.
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image_texture.create_from_image(image)
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$SeamlessNoiseTexture.texture = image_texture
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func _on_DocumentationButton_pressed():
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#warning-ignore:return_value_discarded
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OS.shell_open("https://docs.godotengine.org/en/latest/classes/class_opensimplexnoise.html")
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func _on_SeedSpinBox_value_changed(value):
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noise.seed = value
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_refresh_noise_images()
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func _on_LacunaritySpinBox_value_changed(value):
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noise.lacunarity = value
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_refresh_noise_images()
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func _on_OctavesSpinBox_value_changed(value):
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noise.octaves = value
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_refresh_noise_images()
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func _on_PeriodSpinBox_value_changed(value):
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noise.period = value
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_refresh_noise_images()
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func _on_PersistenceSpinBox_value_changed(value):
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noise.persistence = value
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_refresh_noise_images()
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func _on_MinClipSpinBox_value_changed(value):
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min_noise = value
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_refresh_noise_images()
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func _on_MaxClipSpinBox_value_changed(value):
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max_noise = value
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_refresh_noise_images()
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