Basically, I have a player and he runs along the ground and does it fairly well. However, when that player runs into two walls his ability to also run into the ground is somewhat impaired. So for several frames he will fall through the ground and then be reset for no good reason. Heres the code for the walking function
Heres some video of the problem if that helps:
http://www.youtube.com/watch?v=QUtHQ61kOwo
Don't ask me what happened to it near the end but you can get a clear view of the problem before the video looks bad.
charAction = IDLE
;jumping + gravity
Local playerCollided = EntityCollided(player,ENVIRONMENTTYPE)
Local collisionIndex
Local touchingGround = False
TranslateEntity player,0,-.05,0 ;push the player down to make sure he is touching the ground
;cycle through the player collisions
If playerCollided <> 0 Then
For collisionIndex = 1 To CountCollisions(player)
;this just gives a visual cue as to where the collision is
PositionEntity colcube[collisionIndex],CollisionX#(player,collisionIndex),CollisionY#(player,collisionIndex),CollisionZ#(player,collisionIndex)
ShowEntity colcube[collisionIndex]
;if the collision is under the player then
If CollisionY#(player,collisionIndex) < EntityY#(player) Then
touchingGround = True ;tell the computer hes touching the ground
nx# = CollisionNX#(player,collisionIndex) ;get the normals
ny# = CollisionNY#(player,collisionIndex)
nz# = CollisionNZ#(player,collisionIndex)
If playerYV# < -.5 curHealth# = curHealth# + maxHealth*(playerYV#/2.50) ;subtract health if he fell too far
RotateEntity character,0,0,0 ;make sure that the player is upright
RotateEntity player,0,EntityYaw#(player),0
;if the collision is over the player
ElseIf CollisionY#(player,collisionIndex) > EntityY#(player)+.6 Then
If playerYV# > 0 playerYV# = 0 ;stop his upward momentum
EndIf
Next
EndIf
;if the player not touching the ground
If touchingGround = False Then
TranslateEntity player,0,.05,0 ;move the player back down (we move him up above to smooth collisions)
timeSinceLastGround = timeSinceLastGround + 1 ;add 1 to a counter that counts how many frames since the last collision
Else
timeSinceLastGround = 0
EndIf
;keep player from getting stuck in corners (fixes a bug that kept player who were falling from a jump from getting stuck)
If Abs((EntityY#(player)-oldPlayerY#)-playerYV#) > .001 Then
jumpXComp# = 0
jumpZComp# = 0
EndIf
;this rotates the player so hes facing on the lay of the land but save the pitch yaw and roll so we can put him back after hes done
pitch# = EntityPitch#(player)
yaw# = EntityYaw#(player)
roll# = EntityRoll#(player)
AlignToVector player,nx#,ny#,nz#,2
;character movement
If KeyHit(33) And chatOn = False autorun = 1-autorun
Local currentlyMoving = 0
;turns off autorun if the player presses a key
If KeyDown(200) Or (KeyDown(17) And chatOn = False) Or (mouse1down And mouse2down) Or KeyDown(208) Or (KeyDown(31) And chatOn = False) autorun = 0
;if the player should be going foward
If ((KeyDown(200) Or (KeyDown(17) And chatOn = False) Or (mouse1down And mouse2down) Or autorun = 1)) And ((touchingGround = True) Or (timeSinceLastGround < 10)) Then
;if the player is going up too steep a hill then face him down so he can't walk up it
If (EntityPitch#(player)+Abs(EntityRoll#(player)) < 60) Or (EntityPitch#(player) <= 0) Then
Else
RotateEntity player,-15,EntityYaw#(player),0
EndIf
;tell the computer that hes moving, move him, and set the anim seq to moving
currentlyMoving = 1
If playerYV# <= 0 MoveEntity player,0,0,-.2
charAction = MOVING
;if the player is supposed to be going backwards do much the same thing
ElseIf (KeyDown(208) Or (KeyDown(31) And chatOn = False)) And (touchingGround = True Or timeSinceLastGround < 10)
If (EntityPitch#(player)-Abs(EntityRoll#(player)) > -60) Or (EntityPitch#(player) >= 0) Then
Else
RotateEntity player,15,EntityYaw#(player),0
EndIf
currentlyMoving = -1
If playerYV# <= 0 MoveEntity player,0,0,.2
charAction = MOVING
EndIf
;rerotate the player to his original rotation
RotateEntity player,pitch#,yaw#,roll#
;turn the player if he's got the turn keys down
If KeyDown(203) Or (KeyDown(30) And chatOn = False) Then
TurnEntity player,0,2,0
ElseIf KeyDown(205) Or (KeyDown(32) And chatOn = False)
TurnEntity player,0,-2,0
EndIf
;if the player isn't touching ground
If touchingGround = False Then
;and he hasn't been touching the ground for at least ten frames make him touch the ground
If timeSinceLastGround >= 10 charAction = JUMPING
playerYV# = playerYV# - .025 ;move him downwards
TranslateEntity player,jumpXComp#*.2,0,jumpZComp#*-.2 ;if he had any momentum move him that way
Else
playerYV# = 0
EndIf
;if the player is touching the ground then take away the momentum that he had when he was jumping
If touchingGround = True Then
jumpZComp# = 0
jumpXComp# = 0
EndIf
;jumP + store momentum of jump
If KeyHit(57) And touchingGround = True And chatOn = False Then
playerYV# = .4
jumpZComp# = Cos(EntityYaw#(player))*currentlyMoving
jumpXComp# = Sin(EntityYaw#(player))*currentlyMoving
EndIf
;gravity + save the playerY so that it can be used on the next loop
If playerYV# < -2.5 Then playerYV# = -2.5
oldPlayerY# = EntityY#(player)
TranslateEntity player,0,playerYV#,0
;animation
If charAction = IDLE Then
If AnimSeq(character) <> 1 Animate character,1,.1,1
ElseIf charAction = MOVING Then
If AnimSeq(character) <> 2 Animate character,1,1,2
ElseIf charAction = JUMPING Then
If AnimSeq(character) <> 3 Animate character,2,1,3
EndIf
;camera rotation (for when the user wants to pivot around the player mesh)
If curPlayerKeyMode = RUNMODE Then
Local mxs = MouseXSpeed()
Local mys = MouseYSpeed()
If mouse1down And mouse2down=0 Then
TurnEntity campiv,-mys/3.0,-mxs/3.0,0
ElseIf mouse2down Then
If mouse2hit Then
RotateEntity player,0,EntityYaw#(campiv)+EntityYaw#(player),0
RotateEntity campiv,EntityPitch#(campiv),0,0
EndIf
TurnEntity player,0,-mxs/3.0,0
TurnEntity campiv,-mys/3.0,0,0
Else
TurnEntity campiv,-EntityPitch#(campiv)/10,-EntityYaw#(campiv)/10,0
EndIf
EndIf
If EntityPitch#(campiv) > 80 RotateEntity campiv,80,EntityYaw#(campiv),0
If EntityPitch#(campiv) < -80 RotateEntity campiv,-80,EntityYaw#(campiv),0
RotateEntity campiv,EntityPitch#(campiv),EntityYaw#(campiv),0
End Function
|
