83 lines
3.4 KiB
C#
83 lines
3.4 KiB
C#
#if UNITY_EDITOR
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using UnityEngine;
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namespace GSpawn
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{
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public class ObjectEraseCursor : ObjectEraseTool
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{
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private Plane _cullPlane;
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private bool _updateCullPlane = true;
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private SceneRaycastFilter _raycastFilter = new SceneRaycastFilter();
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private ObjectBounds.QueryConfig _boundsQConfig = new ObjectBounds.QueryConfig();
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public override ObjectEraseToolId toolId { get { return ObjectEraseToolId.Cursor; } }
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public ObjectEraseCursor()
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{
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_raycastFilter.objectTypes = GameObjectType.Mesh | GameObjectType.Sprite;
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_raycastFilter.raycastGrid = false;
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_raycastFilter.customFilter = (GameObject gameObject) => { return ObjectErase.instance.canEraseObject(gameObject); };
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_boundsQConfig.objectTypes = GameObjectType.Mesh | GameObjectType.Sprite;
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}
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protected override void doOnSceneGUI()
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{
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Event e = Event.current;
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if (e.button == 0)
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{
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GameObject pickedObject = null;
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switch (e.type)
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{
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case EventType.MouseDrag:
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pickedObject = pickGameObject();
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if (pickedObject != null) eraseGameObject(pickedObject);
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break;
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case EventType.MouseUp:
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pickedObject = pickGameObject();
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if (pickedObject != null) eraseGameObject(pickedObject);
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_updateCullPlane = true;
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break;
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}
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}
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}
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protected override void draw()
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{
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}
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private GameObject pickGameObject()
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{
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GameObject pickedObject = null;
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Ray pickRay = PluginCamera.camera.getCursorRay();
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var rayHit = PluginScene.instance.raycastClosest(pickRay, _raycastFilter, ObjectRaycastConfig.defaultConfig);
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if (rayHit.wasObjectHit)
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{
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if (_updateCullPlane)
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{
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pickedObject = rayHit.objectHit.hitObject;
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_cullPlane = new Plane(rayHit.objectHit.hitNormal, rayHit.objectHit.hitPoint - rayHit.objectHit.hitNormal * 1e-3f);
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_updateCullPlane = false;
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}
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else
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{
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bool eraseCullPlaneToggle = FixedShortcuts.eraseCullPlaneToggle(Event.current);
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bool useCullPlane = (eraseCullPlaneToggle && !ObjectErase.instance.eraseCursorSettings.enableCullPlaneByDefault) ||
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(!eraseCullPlaneToggle && ObjectErase.instance.eraseCursorSettings.enableCullPlaneByDefault);
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if (useCullPlane)
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{
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OBB worldOBB = ObjectBounds.calcWorldOBB(rayHit.objectHit.hitObject, _boundsQConfig);
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if (worldOBB.isValid && Box3D.classifyAgainstPlane(worldOBB.center, worldOBB.size, worldOBB.rotation, _cullPlane) == PlaneClassifyResult.Spanning)
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pickedObject = rayHit.objectHit.hitObject;
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}
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else pickedObject = rayHit.objectHit.hitObject;
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}
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}
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return pickedObject;
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}
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}
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}
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#endif |