2018-07-22 17:20:27 +02:00
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tool
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extends "res://addons/procedural_material/node_base.gd"
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2018-07-26 00:08:34 +02:00
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var scale_x
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var scale_y
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2018-07-22 17:20:27 +02:00
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var iterations
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2018-07-26 00:08:34 +02:00
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var persistance
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2018-07-22 17:20:27 +02:00
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func _ready():
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set_slot(0, false, 0, Color(0.5, 0.5, 1), true, 0, Color(0.5, 0.5, 1))
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2018-07-26 00:08:34 +02:00
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initialize_properties([ $GridContainer/scale_x, $GridContainer/scale_y, $GridContainer/iterations, $GridContainer/persistance ])
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2018-07-22 17:20:27 +02:00
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func get_shader_code(uv):
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2018-07-22 23:25:05 +02:00
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var rv = { defs="", code="" }
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2018-07-23 22:18:43 +02:00
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if generated_variants.empty():
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2018-07-26 00:08:34 +02:00
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rv.defs = "float "+name+"_f(vec2 uv) { return perlin(uv, vec2("+str(scale_x)+", "+str(scale_y)+"), "+str(iterations)+", "+str(persistance)+"); }\n"
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2018-07-23 22:18:43 +02:00
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var variant_index = generated_variants.find(uv)
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if variant_index == -1:
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variant_index = generated_variants.size()
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generated_variants.append(uv)
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rv.code = "float "+name+"_"+str(variant_index)+"_f = "+name+"_f("+uv+");\n"
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rv.f = name+"_"+str(variant_index)+"_f"
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2018-07-22 17:20:27 +02:00
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return rv
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