problems with wdl player jumping

action players_code

{


var anim_percentage; // animation percentage

var jump_percentage; // animation percentage for jumping

var movement_speed; // player's movement speed

var distance_to_ground; // the distance between player's origin and the ground

var jump_height;

var reached_height;

player = my; // I'm the player

while (1)

{
camera.x = player.x - 100;

camera.y = player.y - 400; // play with 400

camera.z = player.z + 120; // play with 120

camera.pan = player.pan + 50; // play with 90
vec_set (temp.x, my.x); // copy player's position to temp

temp.z -= 5000; // set temp.z 5000 quants below player's origin

distance_to_ground = c_trace (my.x, temp.x, ignore_me | use_box);

movement_speed.x = 8* (key_cur - key_cul) * time;

movement_speed.y = 0; // don't move sideways

movement_speed.z = - (distance_to_ground - 5); // 17 = experimental value

movement_speed.z = max (-40 * time, movement_speed.z); // 35 = falling speed

if ((key_space == on) && (reached_height == 0))

{

jump_height = min(50, jump_height + 8 * time); // 40 sets the height, 5 sets the ascending speed

if (jump_height == 50) // reached the maximum height? Then start descending!

{

reached_height = 1;

jump_height = max(0, jump_height - 8 * time); // 5 sets the falling speed

}

}

else // space isn't pressed anymore?

{

jump_height = max(0, jump_height - 3 * time); // use a smaller falling speed (3) for (potential) smaller jumps

if ((jump_height == 0) && (key_space == off)) // the player has touched the ground?

{

reached_height = 0; // then allow it to jump again

}

}

movement_speed.z = - (distance_to_ground - 0) + jump_height; // 17 = experimental value

movement_speed.z = max (-35 * time, movement_speed.z); // 35 = falling speed

c_move (my, movement_speed.x, nullvector, glide); // move the player

if (jump_height == 0) // the player isn't jumping?

{

if ((key_cur == off) && (key_cul == off)) // the player isn't moving?

{

ent_animate(my, "stand", anim_percentage, anm_cycle); // play the "stand" animation

}

else // the player is moving?

{

ent_animate(my, "walk", anim_percentage, anm_cycle); // play the "walk" animation

}

anim_percentage += 5 * time; // 5 = animation speed

jump_percentage = 0; // always start jumping with the first frame

}

else // the player is jumping

{

jump_percentage += 5 * time; // 5 = jump animation speed

ent_animate(my, "jump", jump_percentage, anm_cycle); // play the "jump" animation




}

wait (1);

}

}