python - 跳入 pygame

Question

我想编辑以下跳转代码。

我想让角色快速跳跃（减少jump_count ），但在每次减少jump_count 时，我希望跳跃的最大高度值保持不变。 没有任何改变。 你能帮助我吗？

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更多解释：

jump_count = 10

跳跃高度 = 0.6

最大跳跃高度= -36.999999999999986

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jump_count = 5

跳跃高度=？？？

最大跳跃高度= -36.999999999999986

---

jump_count = 3

跳跃高度=？？？

最大跳跃高度= -36.999999999999986

---

代码：

class Character:
    def __init__(self):
        # Position
        self.x = 70
        self.y = 194

        # Move
        self.velocity = 10

        # jump:
        self.is_jump = False

        # Jump count
        self.jump_count_range = 10
        self.jump_count = self.jump_count_range

        # Jump height
        self.constant_jump_height_range = 0.6
        self.jump_height = self.constant_jump_height_range

    def Jump(self):
        if self.is_jump:
            if self.jump_count >= -1 * self.jump_count_range:
                neg = 1
                if self.jump_count < 0:
                    neg = -1
                self.y -= (self.jump_count ** 2) * self.jump_height * neg
                self.jump_count -= 1
            else:
                self.is_jump = False
                self.jump_count = self.jump_count_range

Answer 1

只需添加类似max_jump_height的东西，就像这样

class Character:
    def __init__(self):
        # Position
        self.x = 70
        self.y = 194

        # Move
        self.velocity = 10

        # jump:
        self.is_jump = False

        # Jump count
        self.jump_count_range = 10
        self.jump_count = self.jump_count_range

        # Jump height
        self.constant_jump_height_range = 0.6
        self.jump_height = self.constant_jump_height_range
        self.max_jump_height = -36.999999999999986

    def Jump(self):
        if self.is_jump:
            if self.jump_count >= -1 * self.jump_count_range:
                neg = 1
                if self.jump_count < 0:
                    neg = -1
                if self.max_jump_height < (self.jump_count ** 2) * self.jump_height * neg:
                    return
                else:
                    self.y -= (self.jump_count ** 2) * self.jump_height * neg
                    self.jump_count -= 1
            else:
                self.is_jump = False
                self.jump_count = self.jump_count_range

Answer 2

尝试添加这个：

 float JumpVelocity, 
 float JumpDampening=0.1f;   

 void Jump()
 {
     JumpVelocity = 0.5f;    
     gameObject.rigidbody.useGravity = false;
 }

 void FixedUpdate()
 {
     Vector3 pos = transform.position;
     
     if (JumpVelocity != 0)
     {
         pos.y += JumpVelocity;
         JumpVelocity -= JumpDampening;
         if (JumpVelocity <= 0)
         {
             gameObject.rigidbody.useGravity = true;
             JumpVelocity = 0;
         }
     }

     transform.position = pos;
 }

在上面的 object 上的重力在跳跃时关闭，在跳跃弧的峰值重新打开，因此重力再次接管以使 GO 下降。 在 JumVelocity 中使用较高的起始值以获得更快的跳跃，在 JumpDampening 中使用较高的值以更快地减慢跳跃或较低的值以使跳跃变得更高并具有更明显的弧线。

或者你可以通过做来玩弄重力

if(inAir) { // most code has something like this already
   Vector3 vel = rigidbody.velocity;
   vel.y-=BONUS_GRAV*Time.deltaTime;
   rigidbody.velocity=vel;
   ...
 }