Difference between revisions of "Fixture:rayCast"
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Casts a ray against the shape of the fixture. | Casts a ray against the shape of the fixture. | ||
Revision as of 13:43, 4 May 2012
Available since LÖVE 0.8.0 |
This method is not supported in earlier versions. |
Casts a ray against the shape of the fixture.
Function
Synopsis
x, y, fraction = Fixture:rayCast( x1, y1, x2, y2, maxFraction, childIndex )
Arguments
number x1
- The x position of the ray starting point.
number y1
- The y position of the ray starting point.
number x2
- The x position of the ray end point.
number y1
- The y position of the ray end point.
number maxFraction
- The maximum distance the ray is going to travel as a number from 0 to 1.
number childIndex (1)
- The index of the child the ray gets cast against.
Returns
number x
- The x position where the ray intersects with the shape.
number y
- The y position where the ray intersects with the shape.
number fraction
- The position on the input vector where the intersection happened as a number from 0 to 1.
See Also
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