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- <title>Blitz3D Docs</title>
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- <h1>EntityRadius entity,x_radius#[,y_radius#]</h1>
- <h1>Parameters</h1>
- <table>
- <tr>
- <td>
- entity - entity handle
<br />
- x_radius# - x radius of entity's collision ellipsoid
<br />
- y_radius# (optional) - y radius of entity's collision ellipsoid. If omitted the x_radius# will be used for the y_radius#.
- </td>
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- </table>
- <h1>Description</h1>
- <table>
- <tr>
- <td>
- Sets the radius of an entity's collision ellipsoid.
<br />
-
<br />
- An entity radius should be set for all entities involved in ellipsoidal collisions, which is all source entities (as collisions are always ellipsoid-to-something), and whatever destination entities are involved in ellipsoid-to-ellipsoid collisions (collision method No.1).
- <br>
- <br>
- See also: <a class=small href=EntityBox.htm>EntityBox</a>, <a class=small href=Collisions.htm>Collisions</a>, <a class=small href=EntityType.htm>EntityType</a>.
- </td>
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- </table>
- <h1><a href=../3d_examples/EntityRadius.bb>Example</a></h1>
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- ; EntityRadius Example
<br />
- ; --------------------
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-
<br />
- Graphics3D 640,480
<br />
- SetBuffer BackBuffer()
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-
<br />
- camera=CreateCamera()
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- light=CreateLight()
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-
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- sphere=CreateSphere( 32 )
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- PositionEntity sphere,-2,0,5
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-
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- cone=CreateCone( 32 )
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- EntityType cone,type_cone
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- PositionEntity cone,2,0,5
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-
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- ; Set collision type values
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- type_sphere=1
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- type_cone=2
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-
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- ; Set sphere radius value
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- sphere_radius#=1
<br />
-
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- ; Set sphere and cone entity types
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- EntityType sphere,type_sphere
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- EntityType cone,type_cone
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-
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- ; Enable collisions between type_sphere and type_cone, with ellipsoid->polygon method and slide response
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- Collisions type_sphere,type_cone,2,2
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-
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- While Not KeyDown( 1 )
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-
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- x#=0
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- y#=0
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- z#=0
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-
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- If KeyDown( 203 )=True Then x#=-0.1
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- If KeyDown( 205 )=True Then x#=0.1
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- If KeyDown( 208 )=True Then y#=-0.1
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- If KeyDown( 200 )=True Then y#=0.1
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- If KeyDown( 44 )=True Then z#=-0.1
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- If KeyDown( 30 )=True Then z#=0.1
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-
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- MoveEntity sphere,x#,y#,z#
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-
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- ; If square brackets keys pressed then change sphere radius value
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- If KeyDown( 26 )=True Then sphere_radius#=sphere_radius#-0.1
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- If KeyDown( 27 )=True Then sphere_radius#=sphere_radius#+0.1
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-
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- ; Set entity radius of sphere
<br />
- EntityRadius sphere,sphere_radius#
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-
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- ; Perform collision checking
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- UpdateWorld
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-
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- RenderWorld
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-
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- Text 0,0,"Use cursor/A/Z keys to move sphere"
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- Text 0,20,"Press [ or ] to change EntityRadius radius_x# value"
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- Text 0,40,"EntityRadius sphere,"+sphere_radius
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-
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- Flip
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-
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- Wend
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-
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- End
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- </tr>
- </table>
- <br>
- <a target=_top href=../index.htm>Index</a><br>
- <br>
- Click <a href=http://www.blitzbasic.co.nz/b3ddocs/command.php?name=EntityRadius&ref=comments target=_blank>here</a> to view the latest version of this page online</body>
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