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- <title>Blitz3D Docs</title>
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- <h1>CameraPick ( camera,viewport_x#,viewport_y# )</h1>
- <h1>Parameters</h1>
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- camera - camera handle
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- viewport_x# - 2D viewport coordinate
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- viewport_z# - 2D viewport coordinate
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- <h1>Description</h1>
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- Picks the entity positioned at the specified viewport coordinates.
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-
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- Returns the entity picked, or 0 if none there.
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-
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- An entity must have its EntityPickMode set to a non-0 value value to be 'pickable'.
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- See also: <a class=small href=EntityPick.htm>EntityPick</a>, <a class=small href=LinePick.htm>LinePick</a>, <a class=small href=CameraPick.htm>CameraPick</a>, <a class=small href=EntityPickMode.htm>EntityPickMode</a>.
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- <h1><a href=../3d_examples/CameraPick.bb>Example</a></h1>
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- ; CameraPick Example
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- ; ------------------
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- Graphics3D 640,480,0,2
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- SetBuffer BackBuffer()
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-
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- camera=CreateCamera()
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- PositionEntity camera,0,2,-10
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- light=CreateLight()
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- RotateEntity light,90,0,0
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-
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- plane=CreatePlane()
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- EntityPickMode plane,2 ; Make the plane entity 'pickable'. Use pick_geometry mode no.2 for polygon collision.
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- ground_tex=LoadTexture("media/Chorme-2.bmp")
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- EntityTexture plane,ground_tex
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- cube=CreateCube()
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- EntityPickMode cube,2 ; Make the cube entity 'pickable'. Use pick_geometry mode no.2 for polygon collision.
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- cube_tex=LoadTexture("media/b3dlogo.jpg")
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- EntityTexture cube,cube_tex
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- PositionEntity cube,0,1,0
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- While Not KeyDown( 1 )
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- If KeyDown( 205 )=True Then TurnEntity camera,0,-1,0
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- If KeyDown( 203 )=True Then TurnEntity camera,0,1,0
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- If KeyDown( 208 )=True Then MoveEntity camera,0,0,-0.05
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- If KeyDown( 200 )=True Then MoveEntity camera,0,0,0.05
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- ; If left mouse button hit then use CameraPick with mouse coordinates
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- ; In this example, only three things can be picked: the plane, the cube, or nothing
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- If MouseHit(1)=True Then CameraPick(camera,MouseX(),MouseY())
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- RenderWorld
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- Text 0,0,"Use cursor keys to move about"
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- Text 0,20,"Press left mouse button to use CameraPick with mouse coordinates"
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- Text 0,40,"PickedX: "+PickedX#()
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- Text 0,60,"PickedY: "+PickedY#()
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- Text 0,80,"PickedZ: "+PickedZ#()
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- Text 0,100,"PickedNX: "+PickedNX#()
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- Text 0,120,"PickedNY: "+PickedNY#()
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- Text 0,140,"PickedNZ: "+PickedNZ#()
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- Text 0,160,"PickedTime: "+PickedTime#()
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- Text 0,180,"PickedEntity: "+PickedEntity()
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- Text 0,200,"PickedSurface: "+PickedSurface()
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- Text 0,220,"PickedTriangle: "+PickedTriangle()
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- Flip
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- Wend
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- End
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- <a target=_top href=../index.htm>Index</a><br>
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- Click <a href=http://www.blitzbasic.co.nz/b3ddocs/command.php?name=CameraPick&ref=comments target=_blank>here</a> to view the latest version of this page online</body>
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