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package sims.test
import org.scalatest.FunSuite
import org.scalatest.matchers.ShouldMatchers
import sims.math._
import sims.collision._
class ClippingTest extends FunSuite with ShouldMatchers {
/*
test("clipping segment to segment, outside clipping zone") {
val A = new Segment((1, 1), (3, 0))
val B = new Segment((0,0), (0, 1))
val C = new Segment((4,-1), (10, 5))
(B clipped A) should equal (None)
(C clipped A) should equal (None)
}
test("clipping segment to segment, inside clipping zone") {
val segments = List(
new Segment((2, 3), (4.5, 8)),
new Segment((3, -4), (2, -5)),
new Segment((0, 0), (10, 0)),
new Segment((1.1, -1234), (9.999, 0.001)),
new Segment((5, 5), (5, -5))
)
val clippers = List(
new Segment((0, 0), (10, 0)),
new Segment((10, 0), (0, 0)),
new Segment((120, -0.01), (-130, -0.01)),
new Segment((-2.3, 10000), (14, 10000))
)
def translate(s: Segment, v: Vector2D) = {
new Segment(s.point1 + v, s.point2 + v)
}
def rotate(s: Segment, r: Double) = {
new Segment(s.point1 rotate r, s.point2 rotate r)
}
for (s <- segments; c <- clippers) {(s clipped c).get should equal (s)}
for (i <- 0 until 1000) for(s <- segments; c <- clippers) {
val r = new scala.util.Random
def next = r.nextDouble * 1000 * (if (r.nextBoolean) -1 else 1)
val x = (next, next)
val y = next
(translate(rotate(s, y), x) clipped translate(rotate(c, y), x)).get should equal (translate(rotate(s, y), x))
}
}
*/
}
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