blitz-research
90 lines
2.2 KiB
HTML
90 lines
2.2 KiB
HTML
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<title>Blitz3D Docs</title>
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<link rel=stylesheet href=../css/commands.css type=text/css>
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<body>
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<h1>PositionTexture texture,u_position#,v_position#</h1>
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<h1>Parameters</h1>
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<table>
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<td>
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texture - texture handle
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<br />
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u_position# - u position of texture
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<br />
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v_position# - v position of texture
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</td>
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</tr>
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</table>
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<h1>Description</h1>
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Positions a texture at an absolute position.
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This will have an immediate effect on all instances of the texture being used.
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Positioning a texture is useful for performing scrolling texture effects, such as for water etc.
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</td>
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</tr>
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</table>
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<h1><a href=../3d_examples/PositionTexture.bb>Example</a></h1>
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<table>
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<tr>
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; PositionTexture Example
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; -----------------------
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Graphics3D 640,480
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SetBuffer BackBuffer()
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camera=CreateCamera()
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light=CreateLight()
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RotateEntity light,90,0,0
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cube=CreateCube()
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PositionEntity cube,0,0,5
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; Load texture
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tex=LoadTexture( "media/b3dlogo.jpg" )
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; Texture cube
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EntityTexture cube,tex
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; Set initial uv position values
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u_position#=1
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v_position#=1
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While Not KeyDown( 1 )
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; Change uv position values depending on key pressed
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If KeyDown( 208 )=True Then u_position#=u_position#-0.01
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If KeyDown( 200 )=True Then u_position#=u_position#+0.01
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If KeyDown( 203 )=True Then v_position#=v_position#-0.01
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If KeyDown( 205 )=True Then v_position#=v_position#+0.01
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; Position texture
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PositionTexture tex,u_position#,v_position#
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TurnEntity cube,0.1,0.1,0.1
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RenderWorld
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Text 0,0,"Use cursor keys to change uv position values"
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Text 0,20,"u_position#="+u_position#
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Text 0,40,"v_position#="+v_position#
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Flip
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Wend
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End
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</td>
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</tr>
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</table>
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<br>
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<a target=_top href=../index.htm>Index</a><br>
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<br>
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Click <a href=http://www.blitzbasic.co.nz/b3ddocs/command.php?name=PositionTexture&ref=comments target=_blank>here</a> to view the latest version of this page online</body>
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</html>
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