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ScaleTool.cs
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ScaleTool.cs
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//
// Cuboid (http://github.com/arjonagelhout/cuboid)
// Copyright (c) 2023 Arjo Nagelhout
//
using System.Collections;
using System.Collections.Generic;
using Cuboid.Input;
using Cuboid.Models;
using UnityEngine;
using Cuboid.Utils;
namespace Cuboid
{
public class ScaleTool : AxisHandleTool<ScaleHandle, AxisHandleData>
{
[SerializeField] private GameObject _scaleHandlePrefab;
private ScaleHandle[] _scaleHandles = new ScaleHandle[3];
protected override void InstantiateHandles()
{
_scaleHandles = InstantiateHandles(_scaleHandlePrefab);
}
protected override void UpdateHandlesRotation()
{
RotateAxisHandles(_scaleHandles);
}
protected override void OnHandleDrag(SpatialPointerEventData eventData, AxisHandleData data)
{
TransformData initialTransformData = _selectionController.InitialSelectionTransformData;
TransformData newTransformData = initialTransformData;
Vector3 pressedPosition = eventData.spatialPressPosition;
Vector3 position = eventData.spatialPosition;
Axis axis = data.axis;
int index = (int)axis;
Vector3 localPosition = initialTransformData.WorldToLocalMatrix.MultiplyPoint3x4(position);
Vector3 localPressedPosition = initialTransformData.WorldToLocalMatrix.MultiplyPoint3x4(pressedPosition);
Vector3 scale = initialTransformData.Scale;
float originalPosition = localPressedPosition[index];
float originalScale = scale[index];
float newPosition = localPosition[index];
float newScale = Math.Map(newPosition, 0, originalPosition, 0, originalScale);
scale[index] = newScale;
newTransformData.SetScaleMutating(scale);
_selectionController.SetCurrentSelectionTransformData(newTransformData);
_selectionController.UpdateRealityObjectInstanceTransforms();
}
}
}