121 lines
2.9 KiB
C#
121 lines
2.9 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using Godot;
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using System;
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namespace Rokojori
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{
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[Tool]
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[GlobalClass]
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public partial class ProjectOnColliders:Scatterer
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{
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[ExportGroup("Ray")]
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[Export]
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public Vector3 rayDirection = Vector3.Down;
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[Export]
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public float rayLength = 10;
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[Export]
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public Vector3 rayOffset = Vector3.Zero;
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[ExportGroup("Normal")]
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[Export(PropertyHint.Range, "0,1")]
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public float rotationAlignment = 1;
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[Export]
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public bool discardSteepNormals = true;
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[Export]
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public Vector3 steepNormalDirection = Vector3.Down;
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[Export(PropertyHint.Range, "0,180")]
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public float steepNormalRemovalAngle = 0;
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[ExportGroup("Collisions")]
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[Export( PropertyHint.Layers3DPhysics)]
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public uint collisionLayer = 0;
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[Export]
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public bool collideWithAreas = true;
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[Export]
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public bool collideWithBodies = true;
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[Export]
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public bool hitFromInside = true;
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[Export]
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public bool hitBackFaces = true;
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protected override List<ScatterPoint> _Scatter( List<ScatterPoint> points, Scatterer root )
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{
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var world = GetWorld3D();
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var ray = new PhysicsRayQueryParameters3D();
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var direction = rayDirection.Normalized();
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var normalizedSteepNormalDirection = steepNormalDirection.Normalized();
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var steepNormalRemovalTreshold = Mathf.Cos( Mathf.DegToRad( steepNormalRemovalAngle ) );
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points.ForEach(
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p =>
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{
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if ( ! p.visible )
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{
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return;
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}
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ray.From = p.globalPosition;
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ray.To = ray.From + direction * rayLength;
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var collisionData = CollisionData.FindCollision( world, ray,
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( cd ) =>
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{
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if ( ! CollisionData.HasCollisionLayer( cd.collider ) )
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{
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return false;
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}
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var colliderCollisionLayer = CollisionData.GetCollisionLayer( cd.collider );
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var collides = ( colliderCollisionLayer & collisionLayer ) != 0;
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// RJLog.Log( "Collision With:", "collides", collides, "colliderLayer:", colliderCollisionLayer, "own", collisionLayer, "name:", cd.collider.Name );
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return collides;
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}
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);
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p.visible = collisionData != null;
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if ( ! p.visible )
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{
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return;
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}
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if ( discardSteepNormals )
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{
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var dot = normalizedSteepNormalDirection.Dot( collisionData.normal );
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if ( dot >= steepNormalRemovalTreshold )
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{
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p.visible = false;
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return;
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}
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}
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p.position = collisionData.position;
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var alginedRotation =Math3D.AlignUp( p.rotation, collisionData.normal );
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p.rotation = p.rotation.Slerp( alginedRotation, rotationAlignment );
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}
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);
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return points;
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}
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}
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} |