CameraPick faster than linepick by around 47 times

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Ross C

From tests i have performed and from Makepool's observation, linepick is around 47 times slower than camerapick. Surely this could be utilized in lightmapping, as, as i recall, lightmapping is done with linepicks.

Open in online IDE

Graphics3D 800,600
SetBuffer BackBuffer()


Global camera = CreateCamera()
PositionEntity camera,0,0,-20


Global cube = CreateCube()
EntityPickMode cube,2
PositionEntity cube,5,0,0

Global cube1 = CreateCube()
EntityPickMode cube1,2
PositionEntity cube1,0,0,0



While Not KeyHit(1)

	Cls


	If MouseHit(1) Then
		CameraPick(camera,MouseX(),MouseY())
		If PickedEntity() <> 0 Then
			flag$="picked with camera pick!, time of = "+PickedTime()+" entity = "+PickedEntity()
			EntityColor PickedEntity(),Rnd(0,255),Rnd(0,255),Rnd(0,255)
		Else
			flag$="nothing picked..."
		End If
	ElseIf MouseHit(2) Then
		LinePick(0,0,-20,0,0,20,1)
		If PickedEntity() <> 0 Then
			flag$="picked with line pick!, time of = "+PickedTime()+" entity = "+PickedEntity()
			EntityColor PickedEntity(),Rnd(0,255),Rnd(0,255),Rnd(0,255)
		Else
			flag$="nothing picked..."
		End If
	End If
	
	UpdateWorld
	RenderWorld
	Text 0,0,flag
	Flip
Wend
End