81 lines
3.7 KiB
C#
81 lines
3.7 KiB
C#
using System.Collections.Generic;
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using System.Linq;
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using UnityEngine;
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namespace UnityEditor.VFX.Block
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{
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class PositionCircleDeprecated : PositionBase
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{
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public override string name { get { return string.Format(base.name, "Circle (deprecated)"); } }
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public class InputProperties
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{
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[Tooltip("Sets the circle used for positioning the particles.")]
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public ArcCircle ArcCircle = ArcCircle.defaultValue;
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}
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public class CustomProperties
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{
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[Range(0, 1), Tooltip("Sets the position on the arc to emit particles from when ‘Custom Emission’ is used.")]
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public float ArcSequencer = 0.0f;
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}
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protected override bool needDirectionWrite => true;
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public override void Sanitize(int version)
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{
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var newPositionCircleV2 = ScriptableObject.CreateInstance<PositionCircleDeprecatedV2>();
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SanitizeHelper.MigrateBlockTShapeFromShape(newPositionCircleV2, this);
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var newPositionCircle = ScriptableObject.CreateInstance<PositionShape>();
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SanitizeHelper.MigrateBlockPositionToComposed(GetGraph(), GetParent().position, newPositionCircle, newPositionCircleV2, PositionShapeBase.Type.Circle);
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ReplaceModel(newPositionCircle, this);
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}
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public override IEnumerable<VFXNamedExpression> parameters
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{
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get
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{
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var volumeFactor = base.parameters.FirstOrDefault(o => o.name == "volumeFactor").exp;
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var arcCircle_arc = base.parameters.FirstOrDefault(o => o.name == "ArcCircle_arc").exp;
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var arcCircleRadius = base.parameters.FirstOrDefault(o => o.name == "ArcCircle_circle_radius").exp;
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var arcSequencer = base.parameters.FirstOrDefault(o => o.name == "ArcSequencer").exp;
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VFXExpression theta = null;
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if (spawnMode == SpawnMode.Random)
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theta = arcCircle_arc * new VFXExpressionRandom(true, new RandId(this, 0));
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else
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theta = arcCircle_arc * arcSequencer;
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var one = VFXOperatorUtility.OneExpression[UnityEngine.VFX.VFXValueType.Float];
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var rNorm = VFXOperatorUtility.Sqrt(volumeFactor + (one - volumeFactor) * new VFXExpressionRandom(true, new RandId(this, 1))) * arcCircleRadius;
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var sinTheta = new VFXExpressionSin(theta);
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var cosTheta = new VFXExpressionCos(theta);
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yield return new VFXNamedExpression(rNorm, "rNorm");
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yield return new VFXNamedExpression(sinTheta, "sinTheta");
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yield return new VFXNamedExpression(cosTheta, "cosTheta");
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yield return base.parameters.FirstOrDefault(o => o.name == "ArcCircle_circle_center");
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if (compositionPosition == AttributeCompositionMode.Blend)
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yield return base.parameters.FirstOrDefault(o => o.name == "blendPosition");
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if (compositionDirection == AttributeCompositionMode.Blend)
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yield return base.parameters.FirstOrDefault(o => o.name == "blendDirection");
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}
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}
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public override string source
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{
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get
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{
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string outSource = string.Format(composeDirectionFormatString, "float3(sinTheta, cosTheta, 0.0f)");
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outSource += VFXBlockUtility.GetComposeString(compositionPosition, "position.xy", "float2(sinTheta, cosTheta) * rNorm + ArcCircle_circle_center.xy", "blendPosition") + "\n";
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outSource += VFXBlockUtility.GetComposeString(compositionPosition, "position.z", " ArcCircle_circle_center.z", "blendPosition");
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return outSource;
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}
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}
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}
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}
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