rabit/RaBit%27s%20Rapid%20Racers/Class_TrackSegment.cls

VERSION 1.0 CLASS
BEGIN
  MultiUse = -1  'True
  Persistable = 0  'NotPersistable
  DataBindingBehavior = 0  'vbNone
  DataSourceBehavior  = 0  'vbNone
  MTSTransactionMode  = 0  'NotAnMTSObject
END
Attribute VB_Name = "Class_TrackSegment"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = True
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = False
Option Explicit

' --- public ----------------------------------------------------------------------------------------------

' --- private --------------------------------------------------------------------------------------------

Private prvtpVecPoint1 As D3DVECTOR
Private prvtpVecPoint2 As D3DVECTOR
'

Public Sub SetPoints(tpVecPoint1 As D3DVECTOR, tpVecPoint2 As D3DVECTOR)

    prvtpVecPoint1 = tpVecPoint1
    prvtpVecPoint2 = tpVecPoint2

End Sub

Public Function GetSide(tpVecPoint As D3DVECTOR) As Boolean

Dim sgVsX As Single
Dim sgVsZ As Single

Dim sgVnX As Single
Dim sgVnZ As Single

Dim sgVpX As Single
Dim sgVpZ As Single

Dim sgScalar As Single

    sgVsX = prvtpVecPoint2.X - prvtpVecPoint1.X ' Vs
    sgVsZ = prvtpVecPoint2.Z - prvtpVecPoint1.Z

    sgVnX = sgVsZ ' normal of Vs
    sgVnZ = -sgVsX

    sgVpX = tpVecPoint.X - prvtpVecPoint1.X ' Vs
    sgVpZ = tpVecPoint.Z - prvtpVecPoint1.Z ' Vs

    sgScalar = sgVpX * sgVnX + sgVpZ * sgVnZ

    GetSide = sgScalar < 0

End Function
1	cvsrabit	1.1	VERSION 1.0 CLASS
2			BEGIN
3			MultiUse = -1 'True
4			Persistable = 0 'NotPersistable
5			DataBindingBehavior = 0 'vbNone
6			DataSourceBehavior = 0 'vbNone
7			MTSTransactionMode = 0 'NotAnMTSObject
8			END
9			Attribute VB_Name = "Class_TrackSegment"
10			Attribute VB_GlobalNameSpace = False
11			Attribute VB_Creatable = True
12			Attribute VB_PredeclaredId = False
13			Attribute VB_Exposed = False
14			Option Explicit
15
16			' --- public ----------------------------------------------------------------------------------------------
17
18			' --- private --------------------------------------------------------------------------------------------
19
20			Private prvtpVecPoint1 As D3DVECTOR
21			Private prvtpVecPoint2 As D3DVECTOR
22			'
23
24			Public Sub SetPoints(tpVecPoint1 As D3DVECTOR, tpVecPoint2 As D3DVECTOR)
25
26			prvtpVecPoint1 = tpVecPoint1
27			prvtpVecPoint2 = tpVecPoint2
28
29			End Sub
30
31			Public Function GetSide(tpVecPoint As D3DVECTOR) As Boolean
32
33			Dim sgVsX As Single
34			Dim sgVsZ As Single
35
36			Dim sgVnX As Single
37			Dim sgVnZ As Single
38
39			Dim sgVpX As Single
40			Dim sgVpZ As Single
41
42			Dim sgScalar As Single
43
44			sgVsX = prvtpVecPoint2.X - prvtpVecPoint1.X ' Vs
45			sgVsZ = prvtpVecPoint2.Z - prvtpVecPoint1.Z
46
47			sgVnX = sgVsZ ' normal of Vs
48			sgVnZ = -sgVsX
49
50			sgVpX = tpVecPoint.X - prvtpVecPoint1.X ' Vs
51			sgVpZ = tpVecPoint.Z - prvtpVecPoint1.Z ' Vs
52
53			sgScalar = sgVpX * sgVnX + sgVpZ * sgVnZ
54
55			GetSide = sgScalar < 0
56
57			End Function
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