;--------------------
Function CentreAnimMesh(mesh,mode=0)
;--------------------
; mode=0 : centre on 3 axes
; mode=1 : centre on x,z; align to y bottom
Local origx#,origy#,origz#
Local allx#,ally#,allz#
Local newx#,newy#,newz#
Local cc,c,childent,mult
; get orig position
origx# = EntityX#(mesh)
origy# = EntityY#(mesh)
origz# = EntityZ#(mesh)
; get 'all' vertices positions
allx# = MeshAllX#(mesh)
If mode=0 Then ally# = MeshAllY#(mesh)
If mode=1 Then ally# = MeshAllYlowest#(mesh)
allz# = MeshAllZ#(mesh)
; find difference
newx# = (origx# - allx#)
newy# = (origy# - ally#)
newz# = (origz# - allz#)
; move one or all meshes
cc = CountChildren(mesh)
If cc = 0
PositionMesh mesh, newx#,newy#,newz#
Else
For c = 1 To cc
childent = GetChild(mesh,c)
mult = 2
PositionMesh childent, mult * newx#,mult * newy#,mult * newz#
Next
EndIf
End Function
;--------------------
Function MeshAllX#(parent)
;--------------------
Local LeftX#,RightX#
Local cc,c,childent,vx#,x#
cc = CountChildren(parent)
If cc = 0
x# = MeshX#(parent)
Else
For c = 1 To cc
childent = GetChild(parent,c)
vx# = MeshX#(childent)
If vx#<LeftX# Then LeftX#=vx#
If vx#>RightX# Then RightX#=vx#
Next
x# = LeftX# + ( (RightX# - LeftX#) / Float(2) )
EndIf
Return x#
End Function
;--------------------
Function MeshAllY#(parent)
;--------------------
Local BottomY#,TopY#
Local cc,c,childent,vy#,y#
cc = CountChildren(parent)
If cc = 0
y# = MeshY#(parent)
Else
For c = 1 To cc
childent = GetChild(parent,c)
vy# = MeshY#(childent)
If vy#<BottomY# Then BottomY#=vy#
If vy#>TopY# Then TopY#=vy#
Next
y# = BottomY# + ( (TopY# - BottomY#) / Float(2) )
EndIf
Return y#
End Function
;--------------------
Function MeshAllYlowest#(parent)
;--------------------
Local BottomY#,TopY#
Local cc,c,childent,vy#,y#
cc = CountChildren(parent)
If cc = 0
y# = BottomMost#(parent)
Else
For c = 1 To cc
childent = GetChild(parent,c)
vy# = BottomMost#(childent)
If vy#<BottomY# Then BottomY#=vy#
If vy#>TopY# Then TopY#=vy#
Next
y# = BottomY# + ( (TopY# - BottomY#) / Float(2) )
EndIf
Return y#
End Function
;--------------------
Function MeshAllZ#(parent)
;--------------------
Local BackZ#,FrontZ#
Local cc,c,childent,vz#,z#
cc = CountChildren(parent)
If cc = 0
z# = MeshZ#(parent)
Else
For c = 1 To cc
childent = GetChild(parent,c)
vz# = MeshZ#(childent)
If vz#<BackZ# Then BackZ#=vz#
If vz#>FrontZ# Then FrontZ#=vz#
Next
z# = BackZ# + (FrontZ# - BackZ#)/ 2
EndIf
Return z#
End Function
;------------------------------------------------------------------------------------
;--------------------
Function MeshX#(mesh)
;--------------------
Local LeftX#,RightX#
Local s,su,v,vx#,x#
For s = 1 To CountSurfaces(mesh)
su = GetSurface(mesh,s)
For v = 0 To CountVertices(su)-1
vx# = VertexX#(su,v)
If vx#<LeftX# Then LeftX#=vx#
If vx#>RightX# Then RightX#=vx#
Next
Next
x# = LeftX# + ( (RightX# - LeftX#) / Float(2) )
Return x#
End Function
;--------------------
Function MeshY#(mesh)
;--------------------
Local BottomY#,TopY#
Local s,su,v,vy#,y#
For s = 1 To CountSurfaces(mesh)
su = GetSurface(mesh,s)
For v = 0 To CountVertices(su)-1
vy# = VertexY#(su,v)
If vy#<BottomY# Then BottomY#=vy#
If vy#>TopY# Then TopY#=vy#
Next
Next
y# = BottomY# + ( (TopY# - BottomY#) / Float(2) )
Return y#
End Function
;--------------------
Function MeshZ#(mesh)
;--------------------
Local BackZ#,FrontZ#
Local s,su,v,vz#,z#
For s = 1 To CountSurfaces(mesh)
su = GetSurface(mesh,s)
For v = 0 To CountVertices(su)-1
vz# = VertexZ#(su,v)
If vz#<BackZ# Then BackZ#=vz#
If vz#>FrontZ# Then FrontZ#=vz#
Next
Next
z# = BackZ# + (FrontZ# - BackZ#) / 2
Return z#
End Function
;--------------------
Function BottomMost#(mesh)
;--------------------
Local BottomY#,TopY#
Local s,su,v,vy#
For s = 1 To CountSurfaces(mesh)
su = GetSurface(mesh,s)
For v = 0 To CountVertices(su)-1
vy# = VertexY#(su,v)
If vy#<BottomY# Then BottomY#=vy#
If vy#>TopY# Then TopY#=vy#
Next
Next
Return BottomY#
End Function |
