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避免使用三角函数判断死区 :D

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sin365 2025-09-22 17:11:12 +08:00
parent 449ef4a597
commit baf2e5a8d6
1 changed files with 16 additions and 36 deletions
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52
AxibugEmuOnline.Client/Assets/Script/AppMain/Manager/InputDevicesManager/Devices/InputControls/Stick_C.cs
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@ -19,20 +19,20 @@ namespace AxibugEmuOnline.Client.InputDevices
var axis = GetVector2(); var axis = GetVector2();
var dir = GetDirection(axis, 0.15f); var dir = GetDirection(axis, 0.15f);
Up.m_performing = (dir &= Direction.Up) > 0; Up.m_performing = (dir & Direction.Up) > 0;
Up.Update(); Up.Update();
Down.m_performing = (dir &= Direction.Down) > 0; Down.m_performing = (dir & Direction.Down) > 0;
Down.Update(); Down.Update();
Left.m_performing = (dir &= Direction.Left) > 0; Left.m_performing = (dir & Direction.Left) > 0;
Left.Update(); Left.Update();
Right.m_performing = (dir &= Direction.Right) > 0; Right.m_performing = (dir & Direction.Right) > 0;
Right.Update(); Right.Update();
} }
public class VirtualButton : InputControl_C public class VirtualButton : InputControl_C
{ {
@ -68,49 +68,29 @@ namespace AxibugEmuOnline.Client.InputDevices
static Direction GetDirection(Vector2 input, float deadzone) static Direction GetDirection(Vector2 input, float deadzone)
{ {
// 检查死区：如果点在死区半径内，返回无 //// 检查死区：如果点在死区半径内，返回无
if (input.magnitude <= deadzone) if (input.magnitude <= deadzone)
return Direction.None; return Direction.None;
// 标准化向量（确保在单位圆上）
Vector2 normalized = input.normalized;
// 计算点与四个方向基准向量的点积 // 计算点与四个方向基准向量的点积
float dotUp = Vector2.Dot(normalized, Vector2.up); // (0, 1) //float dotUp = Vector2.Dot(normalized, Vector2.up); // (0, 1)
float dotDown = Vector2.Dot(normalized, Vector2.down); // (0, -1) //float dotDown = Vector2.Dot(normalized, Vector2.down); // (0, -1)
float dotRight = Vector2.Dot(normalized, Vector2.right); // (1, 0) //float dotRight = Vector2.Dot(normalized, Vector2.right); // (1, 0)
float dotLeft = Vector2.Dot(normalized, Vector2.left); // (-1, 0) //float dotLeft = Vector2.Dot(normalized, Vector2.left); // (-1, 0)
// 标准化向量（确保在单位圆上）
Vector2 normalized = input.normalized;
// 找出最大点积对应的方向 // 找出最大点积对应的方向
Direction bestDirection = Direction.None; Direction bestDirection = Direction.None;
float maxDot = -1f; // 初始化为最小值
// 检查上方向 // 检查上方向
if (dotUp > maxDot) if (normalized.y > deadzone) bestDirection |= Direction.Up;
{
maxDot = dotUp;
bestDirection |= Direction.Up;
}
// 检查下方向 // 检查下方向
if (dotDown > maxDot) if (normalized.y < -1 * deadzone) bestDirection |= Direction.Down;
{
maxDot = dotDown;
bestDirection |= Direction.Down;
}
// 检查右方向 // 检查右方向
if (dotRight > maxDot) if (normalized.x > deadzone) bestDirection |= Direction.Right;
{
maxDot = dotRight;
bestDirection |= Direction.Right;
}
// 检查左方向 // 检查左方向
if (dotLeft > maxDot) if (normalized.x < -1 * deadzone) bestDirection |= Direction.Left;
{
bestDirection |= Direction.Left;
}
return bestDirection; return bestDirection;
} }