wehub-resource-sync
55 lines
1.7 KiB
C#
55 lines
1.7 KiB
C#
using T3.Core.DataTypes.ShaderGraph;
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using T3.Core.Utils;
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namespace Lib.field.generate.sdf;
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[Guid("cc6100a4-73ed-45e4-87ab-601e7956fb36")]
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internal sealed class RotatedPlaneSDF : Instance<RotatedPlaneSDF>
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,ITransformable
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,IGraphNodeOp
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{
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[Output(Guid = "b42a945e-9842-4f76-8f1f-bb73cfd14be4")]
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public readonly Slot<ShaderGraphNode> Result = new();
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// ITransformable interface implementation (Gizmo support)
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IInputSlot ITransformable.TranslationInput => Center;
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IInputSlot ITransformable.RotationInput => null;
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IInputSlot ITransformable.ScaleInput => null;
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public Action<Instance, EvaluationContext> TransformCallback { get; set; }
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public RotatedPlaneSDF()
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{
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ShaderNode = new ShaderGraphNode(this);
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Result.Value = ShaderNode;
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Result.UpdateAction += Update;
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}
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private void Update(EvaluationContext context)
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{
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TransformCallback?.Invoke(this, context); // Needed for Gizmo support
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ShaderNode.Update(context);
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ShaderNode.FlagCodeChanged();
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}
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public ShaderGraphNode ShaderNode { get; }
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public void GetPreShaderCode(CodeAssembleContext c, int inputIndex)
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{
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c.AppendCall($"""
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f{c}.w = dot(p{c}.xyz - {ShaderNode}Center, normalize({ShaderNode}Normal));
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f{c}.xyz = p.w < 0.5 ? p{c}.xyz : 1;
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""");
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//c.AppendCall($"f{c}.xyz = p.w < 0.5 ? p{c}.xyz : 1;"); // save local space
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}
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[GraphParam]
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[Input(Guid = "1a154ff5-6fa7-4ee1-9b1e-99c5d47e9493")]
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public readonly InputSlot<Vector3> Center = new();
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[GraphParam]
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[Input(Guid = "BFED14A7-7A97-4379-9419-222BB7A2BA57")]
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public readonly InputSlot<Vector3> Normal = new();
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} |