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Diffstat (limited to 'src/main/scala/sims/dynamics/Circle.scala')
| -rw-r--r-- | src/main/scala/sims/dynamics/Circle.scala | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/main/scala/sims/dynamics/Circle.scala b/src/main/scala/sims/dynamics/Circle.scala new file mode 100644 index 0000000..9e00815 --- /dev/null +++ b/src/main/scala/sims/dynamics/Circle.scala @@ -0,0 +1,24 @@ +/* _____ _ __ ________ ___ *\ +** / ___/(_) |/ / ___/ |__ \ Simple Mechanics Simulator 2 ** +** \__ \/ / /|_/ /\__ \ __/ / copyright (c) 2011 Jakob Odersky ** +** ___/ / / / / /___/ / / __/ ** +** /____/_/_/ /_//____/ /____/ ** +\* */ + +package sims.dynamics + +import scala.math.Pi +import sims.collision.{AABB, Projection} +import sims.math._ + +/** A circle. + * @define shape circle + * + * @param radius radius of this circle */ +case class Circle(radius: Double) extends sims.collision.Circle with Shape { + + val area: Double = Pi * radius * radius + + lazy val inertia: Double = mass * radius * radius / 2 + +}
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