29 lines
1.2 KiB
GDScript
29 lines
1.2 KiB
GDScript
tool
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extends "res://addons/procedural_material/node_base.gd"
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var amount = 0.0
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func _ready():
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set_slot(0, true, 0, Color(0.5, 0.5, 1), true, 0, Color(0.5, 0.5, 1))
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set_slot(1, true, 0, Color(0.5, 0.5, 1), false, 0, Color(0.5, 0.5, 1))
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initialize_properties([ $amount ])
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func _get_shader_code(uv):
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var rv = { defs="", code="" }
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var src = get_source()
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if src == null:
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return rv
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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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var src_code0 = src.get_shader_code(uv+"+vec2(0.01, 0.0)")
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var src_code1 = src.get_shader_code(uv+"+vec2(-0.01, 0.0)")
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var src_code2 = src.get_shader_code(uv+"+vec2(0.0, 0.01)")
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var src_code3 = src.get_shader_code(uv+"+vec2(0.0, -0.01)")
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rv.defs = src_code0.defs
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rv.code = src_code0.code+src_code1.code+src_code2.code+src_code3.code
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rv.code += "vec3 "+name+"_"+str(variant_index)+"_rgb = vec3(0.5, 0.5, 0.5) + 0.5*normalize("+str(amount)+"*vec3("+get_source_f(src_code0)+"-"+get_source_f(src_code1)+", "+get_source_f(src_code2)+"-"+get_source_f(src_code3)+", 0.0) + vec3(0.0, 0.0, 1.0));\n"
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rv.rgb = name+"_"+str(variant_index)+"_rgb"
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return rv
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