回答編集履歴
2
FixedUpdateの実行間隔について実験
answer
CHANGED
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@@ -128,4 +128,36 @@
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128
128
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}
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129
129
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}
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130
130
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}
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131
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-
```
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131
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+
```
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132
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+
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133
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+
**FixedUpdateの世界の時間の流れと実際の時間の流れの比較**
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134
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+
```C#
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135
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using UnityEngine;
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136
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+
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137
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public class FixedTimeVersusRealTime : MonoBehaviour
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138
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{
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139
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private float previousFixedTime;
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140
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private float previousRealTime;
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141
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+
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142
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private void Start()
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143
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{
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144
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this.previousFixedTime = Time.fixedTime;
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145
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this.previousRealTime = Time.realtimeSinceStartup;
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146
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}
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147
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+
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148
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private void FixedUpdate()
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149
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{
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150
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var fixedTime = Time.fixedTime;
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151
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var realTime = Time.realtimeSinceStartup;
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152
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var fixedDeltaTime = fixedTime - this.previousFixedTime;
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153
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var realDeltaTime = realTime - this.previousRealTime;
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154
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155
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Debug.Log($"Fixed:{fixedTime:F5} Delta:{fixedDeltaTime:F5} Real:{realTime:F5} Delta:{realDeltaTime:F5}");
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156
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157
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this.previousFixedTime = fixedTime;
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158
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this.previousRealTime = realTime;
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159
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}
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160
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}
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161
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+
```
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162
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+
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163
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+
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1
コードの計算量を削減
answer
CHANGED
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@@ -74,4 +74,58 @@
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74
74
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75
75
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76
76
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77
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-
ですがわざわざ[Exp](https://docs.unity3d.com/ja/current/ScriptReference/Mathf.Exp.html)なんかを使ってまで調整精度を上げるだけの価値があるかというと微妙でした。
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77
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+
ですがわざわざ[Exp](https://docs.unity3d.com/ja/current/ScriptReference/Mathf.Exp.html)なんかを使ってまで調整精度を上げるだけの価値があるかというと微妙でした。
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78
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+
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79
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+
**計算量削減、基準フレームレートとイージング調整値を変更できるように修正**
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80
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```C#
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81
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using System;
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82
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using UnityEngine;
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83
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+
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84
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public class LerpAndDeltaTime : MonoBehaviour
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85
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{
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86
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+
public enum Mode
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87
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{
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88
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Coarse,
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89
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Fine
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90
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}
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91
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92
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[SerializeField] private float deltaTime = 1.0f / 60.0f;
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93
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[SerializeField] private float duration = 2.0f;
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94
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[SerializeField] private Mode mode;
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95
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[SerializeField] private GameObject dotPrefab;
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96
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[SerializeField] private float damping = 1.0f;
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97
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[SerializeField] private double referenceFrameRate = 60.0;
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98
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+
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99
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private float time;
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100
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+
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101
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private void Start()
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102
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{
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103
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var y = 0.0f;
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104
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var referenceDeltaTime = 1.0 / this.referenceFrameRate;
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105
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while (this.time < this.duration)
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106
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{
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107
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switch (this.mode)
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108
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{
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109
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case Mode.Coarse:
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110
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// 単純なdeltaTimeによる調整
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111
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y = Mathf.Lerp(y, 1.0f, this.damping * this.deltaTime);
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112
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break;
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113
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+
case Mode.Fine:
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114
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// referenceFrameRate FPSのときのカーブに近づくよう補正した調整
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115
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+
var t = (float)(1.0 - Math.Pow(
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116
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1.0 - (this.damping * referenceDeltaTime),
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117
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+
this.referenceFrameRate * this.deltaTime));
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118
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+
y = Mathf.Lerp(y, 1.0f, t);
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119
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break;
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120
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}
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121
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+
|
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122
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+
this.time += this.deltaTime;
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123
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+
Instantiate(
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124
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this.dotPrefab,
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125
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+
this.transform.position + new Vector3(this.time, y, 0.0f),
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126
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Quaternion.identity,
|
|
127
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this.transform);
|
|
128
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+
}
|
|
129
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+
}
|
|
130
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+
}
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|
131
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+
```
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