CharacterState previousState, currentState;// 以前状态 当前状态
void Update()
{
float dt = Time.deltaTime;
bool isGrounded = controller.isGrounded; // 在地面
bool landed = !wasGrounded && isGrounded; // 登录地面
// 检测输入
input.x = Input.GetAxis(XAxis);
input.y = Input.GetAxis(YAxis);
bool inputJumpStop = Input.GetButtonUp(JumpButton); // 跳跃停止
bool inputJumpStart = Input.GetButtonDown(JumpButton); // 跳跃开始
bool doCrouch = (isGrounded && input.y < -0.5f) || (forceCrouchEndTime > Time.time); // 蹲下
bool doJumpInterrupt = false; // 跳跃中断
bool doJump = false; // 跳跃
bool hardLand = false; // 硬着陆
bool inputAttackStart = Input.GetKey(attackKey); // 攻击开始*
bool inputAttackStop = Input.GetKeyUp(attackKey); // 攻击结束*
bool doAttack = inputAttackStart;
//bool doAttack = inputAttackStart || (forceAttackEndTime > Time.time);// 攻击*
//if (inputAttackStart)
//{
// forceAttackEndTime = Time.time + forceAttackDuration;
//}
//** 判定动作变化 **//
if (landed) // 如果落到地面上
{
if (-velocity.y > forceCrouchVelocity) // 如果垂直速度大于 落下速度值
{
hardLand = true; // 硬着陆
doCrouch = true; // 做蹲下动作
forceCrouchEndTime = Time.time + forceCrouchDuration; // 落下蹲伏动作结束时间
}
}
if (!doCrouch) // 如果不是做蹲下动作
{
if (isGrounded) // 在地面上
{
if (!doAttack) //*
{
if (inputJumpStart)
{ // 如果输入跳跃
doJump = true; // 做跳跃
}
}
}
else // 不在地面上
{
doJumpInterrupt = inputJumpStop && Time.time < minimumJumpEndTime; // 跳跃中断 = 跳跃停止 && 最小跳跃结束时间
}
}
//** 虚拟物理和控制器使用（计算速度）**//
// 重力加速度
Vector3 gravityDeltaVelocity = Physics.gravity * gravityScale * dt; // 重力 * 重力缩放 * 这帧时间
if (doJump) // 做跳跃动作
{
velocity.y = jumpSpeed; // 竖直速度为跳跃速度
minimumJumpEndTime = Time.time + minimumJumpDuration; // 跳跃结束时间
}
else if (doJumpInterrupt) // 如果跳跃被中断
{
if (velocity.y > 0)
{
velocity.y *= jumpInterruptFactor; // 跳跃中断速率
}
}
velocity.x = 0; // 水平速度为0
//if (!doCrouch)
//{// 如果不是做蹲下动作
if (input.x != 0)
{ // 水平轴有输入
if (doCrouch) //*
{ // 如果不是做蹲下动作
}
else if (!isGrounded) //*
{
velocity.x = Mathf.Abs(input.x) > 0.6f ? runSpeed : walkSpeed; // 跑 || 走
velocity.x *= Mathf.Sign(input.x); // 左 || 右
}
else if (doAttack) //*
{
}
else
{
velocity.x = Mathf.Abs(input.x) > 0.6f ? runSpeed : walkSpeed; // 跑 || 走
velocity.x *= Mathf.Sign(input.x); // 左 || 右
}
}
//}
if (!isGrounded)
{ // 如果不在地面上
if (wasGrounded)
{ // 落到地面时
if (velocity.y < 0)
{
velocity.y = 0;// 竖直速度变为0
}
}
else
{ // 在空中
velocity += gravityDeltaVelocity; // 竖直速度为重力加速度
}
}
controller.Move(velocity * dt); // 设置人物速度
wasGrounded = isGrounded;
//** 确定并存储角色状态 **//
if (doAttack) //*
{
currentState = CharacterState.Attack;
}
else //*
{
if (isGrounded)
{
if (doCrouch)
{
currentState = CharacterState.Crouch;// 蹲
}
else
{
if (input.x == 0)
{
currentState = CharacterState.Idle;// 闲置
}
else
{
currentState = Mathf.Abs(input.x) > 0.6f ? CharacterState.Run : CharacterState.Walk;// 跑 || 走
}
}
}
else
{
currentState = velocity.y > 0 ? CharacterState.Rise : CharacterState.Fall;// 上升 || 下落
}
}
bool stateChanged = previousState != currentState; // 状态是否改变
previousState = currentState; // 状态重置
// Animation
// 在此阶段请勿修改字符参数或状态。只是读他们。
// 检测状态变化，并在变化时进行动画处理。
if (stateChanged)
{
HandleStateChanged(); // 改变动画状态
}
if (input.x != 0)
{
animationHandle.SetFlip(input.x); // 设置动画翻转
}
// 触发事件（事件调用 播放粒子||声音）
if (doJump)
{
OnJump.Invoke(); // 触发跳跃事件
}
if (landed)
{
if (hardLand)
{
OnHardLand.Invoke();
}
else
{
OnLand.Invoke();
}
}
}
void Update()
{
float dt = Time.deltaTime;
bool isGrounded = controller.isGrounded;
bool landed = !wasGrounded && isGrounded;
// Dummy input.
input.x = Input.GetAxis(XAxis);
input.y = Input.GetAxis(YAxis);
bool inputJumpStop = Input.GetButtonUp(JumpButton);
bool inputJumpStart = Input.GetButtonDown(JumpButton);
bool doCrouch = (isGrounded && input.y < -0.5f) || (forceCrouchEndTime > Time.time);
bool doJumpInterrupt = false;
bool doJump = false;
bool hardLand = false;
if (landed)
{
if (-velocity.y > forceCrouchVelocity)
{
hardLand = true;
doCrouch = true;
forceCrouchEndTime = Time.time + forceCrouchDuration;
}
}
if (!doCrouch)
{
if (isGrounded)
{
if (inputJumpStart)
{
doJump = true;
}
}
else
{
doJumpInterrupt = inputJumpStop && Time.time < minimumJumpEndTime;
}
}
// Dummy physics and controller using UnityEngine.CharacterController.
Vector3 gravityDeltaVelocity = Physics.gravity * gravityScale * dt;
if (doJump)
{
velocity.y = jumpSpeed;
minimumJumpEndTime = Time.time + minimumJumpDuration;
}
else if (doJumpInterrupt)
{
if (velocity.y > 0)
{
velocity.y *= jumpInterruptFactor;
}
}
velocity.x = 0;
if (!doCrouch)
{
if (input.x != 0)
{
velocity.x = Mathf.Abs(input.x) > 0.6f ? runSpeed : walkSpeed;
velocity.x *= Mathf.Sign(input.x);
}
}
//if (!isGrounded)
//{
// if (wasGrounded)
// {
// if (velocity.y < 0)
// velocity.y = 0;
// }
// else
// {
// velocity += gravityDeltaVelocity;
// }
//}
controller.Move(velocity * dt);
wasGrounded = isGrounded;
// Determine and store character state
if (isGrounded)
{
if (doCrouch)
{
currentState = CharacterState.Crouch;
}
else
{
if (input.x == 0)
{
currentState = CharacterState.Idle;
}
else
{
currentState = Mathf.Abs(input.x) > 0.6f ? CharacterState.Run : CharacterState.Walk;
}
}
}
else
{
currentState = velocity.y > 0 ? CharacterState.Rise : CharacterState.Fall;
}
bool stateChanged = previousState != currentState;
previousState = currentState;
// Animation
// Do not modify character parameters or state in this phase. Just read them.
// Detect changes in state, and communicate with animation handle if it changes.
if (stateChanged)
{
HandleStateChanged();
}
if (input.x != 0)
{
animationHandle.SetFlip(input.x);
}
// Fire events.
if (doJump)
{
OnJump.Invoke();
}
if (landed)
{
if (hardLand)
{
OnHardLand.Invoke();
}
else
{
OnLand.Invoke();
}
}
}
