99 lines
3.1 KiB
C#
99 lines
3.1 KiB
C#
// Copyright (c) Microsoft Corporation.
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// Licensed under the MIT License.
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using System;
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using System.Collections.Generic;
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using UnityEngine;
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namespace Microsoft.MixedReality.Toolkit.UI
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{
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/// <summary>
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/// Theme Engine to control initialized GameObject's scale based on state changes
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/// </summary>
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public class InteractableScaleTheme : InteractableThemeBase
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{
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protected Vector3 originalScale;
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protected Transform hostTransform;
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public InteractableScaleTheme()
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{
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Types = new Type[] { typeof(Transform) };
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Name = "Scale Theme";
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}
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/// <inheritdoc />
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public override ThemeDefinition GetDefaultThemeDefinition()
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{
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return new ThemeDefinition()
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{
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ThemeType = GetType(),
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StateProperties = new List<ThemeStateProperty>()
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{
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new ThemeStateProperty()
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{
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Name = "Scale",
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Type = ThemePropertyTypes.Vector3,
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Values = new List<ThemePropertyValue>(),
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Default = new ThemePropertyValue() { Vector3 = Vector3.one}
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},
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},
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CustomProperties = new List<ThemeProperty>()
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{
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new ThemeProperty()
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{
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Name = "Relative Scale",
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Tooltip = "Should the scale be relative to initial Gameobject scale, or absolute",
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Type = ThemePropertyTypes.Bool,
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Value = new ThemePropertyValue() { Bool = false }
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},
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},
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};
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}
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/// <inheritdoc />
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public override void Init(GameObject host, ThemeDefinition settings)
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{
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hostTransform = host.transform;
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originalScale = hostTransform.localScale;
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base.Init(host, settings);
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}
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/// <inheritdoc />
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public override ThemePropertyValue GetProperty(ThemeStateProperty property)
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{
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ThemePropertyValue start = new ThemePropertyValue();
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start.Vector3 = hostTransform != null ? hostTransform.localScale : Vector3.zero;
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return start;
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}
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/// <inheritdoc />
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public override void SetValue(ThemeStateProperty property, int index, float percentage)
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{
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Vector3 lerpTarget = property.Values[index].Vector3;
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bool relative = Properties[0].Value.Bool;
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if (relative)
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{
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lerpTarget = Vector3.Scale(originalScale, lerpTarget);
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}
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SetScale(Vector3.Lerp(property.StartValue.Vector3, lerpTarget, percentage));
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}
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/// <inheritdoc />
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protected override void SetValue(ThemeStateProperty property, ThemePropertyValue value)
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{
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SetScale(value.Vector3);
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}
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private void SetScale(Vector3 newScale)
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{
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if (hostTransform != null)
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{
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hostTransform.localScale = newScale;
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}
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}
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}
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}
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