4a15d63447
Changed Span<PointData> to ReadOnlySpan<PointData> on method Operate in EffectorBase.cs Changed the return type of method Operate in EffectorBase.cs from void to PointDate Added FieldHelper and BlendField function to make the blending work.
57 lines
1.6 KiB
C#
57 lines
1.6 KiB
C#
using Unity.Mathematics;
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namespace Misaki.ArtTool
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{
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internal class FieldHelper
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{
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public static float BlendField(float a, float b, float t, BlendingMode blendingMode)
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{
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var result = 0.0f;
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switch (blendingMode)
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{
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case BlendingMode.Normal:
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result = math.lerp(a, b, t);
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break;
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case BlendingMode.Min:
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result = math.lerp(a, math.min(a, b), t);
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break;
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case BlendingMode.Subtract:
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result = math.lerp(a, a - b, t);
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break;
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case BlendingMode.Multiply:
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result = math.lerp(a, a * b, t);
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break;
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case BlendingMode.Overlay:
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var o1 = 1.0f - 2.0f * (1.0f - a) * (1.0f - b);
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var o2 = 2.0f * a * b;
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var zeroOrOne = math.step(a, 0.5f);
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result = o2 * zeroOrOne + (1.0f - zeroOrOne) * o1;
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result = math.lerp(a, result, t);
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break;
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case BlendingMode.Max:
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result = math.lerp(a, math.max(a, b), t);
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break;
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case BlendingMode.Add:
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result = math.lerp(a, a + b, t);
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break;
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case BlendingMode.Screen:
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result = 1.0f - (1.0f - b) * (1.0f - a);
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result = math.lerp(a, result, t);
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break;
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default:
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break;
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}
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return result;
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}
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}
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}
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