vmath_tests/sweeps_2.d

   1 import iv.vfs.io;
   2 import iv.vmath;
   3
   4 alias AABB = AABBImpl!vec2;
   5
   6
   7 void main () {
   8   auto a = AABB(vec2(0, 0), vec2(3, 3));
   9   auto b = AABB(vec2(5, 5), vec2(8, 8));
  10   vec2.Float u0, u1;
  11   immutable amove = vec2(10, 10);
  12   immutable bmove = vec2(0.1, 0.1);
  13   vec2 hitnorm;
  14   if (a.sweep(amove, b, &u0, &hitnorm, &u1)) {
  15     writeln("COLLIDE; u0=", u0, "; u1=", u1, "; hitnorm=", hitnorm);
  16     writeln("u0v for a: ", a.min+amove*u0, " : ", a.max+amove*u0);
  17     writeln("u1v for a: ", a.min+amove*u1, " : ", a.max+amove*u1);
  18     writeln("        b: ", b.min, " : ", b.max);
  19   }
  20
  21   {
  22     writeln(a.overlapsSphere(vec2(1, 1), 1));
  23     writeln(a.overlapsSphere(vec2(2.5, 2.5), 2));
  24     writeln(a.overlapsSphere(vec2(3.5, 3.5), 2));
  25     writeln(a.overlapsSphere(vec2(4.5, 3.5), 2));
  26     writeln(a.overlapsSphere(vec2(4.5, 5.5), 2));
  27   }
  28
  29   {
  30     writeln(a.overlaps(Sphere!vec2(vec2(1, 1), 1)));
  31     writeln(a.overlaps(Sphere!vec2(vec2(2.5, 2.5), 2)));
  32     writeln(a.overlaps(Sphere!vec2(vec2(3.5, 3.5), 2)));
  33     writeln(a.overlaps(Sphere!vec2(vec2(4.5, 3.5), 2)));
  34     writeln(a.overlaps(Sphere!vec2(vec2(4.5, 5.5), 2)));
  35   }
  36
  37   auto s0 = Sphere!vec2(vec2(1, 1), 3);
  38   auto s1 = Sphere!vec2(vec2(7, 7), 3);
  39
  40   if (s0.sweep(amove, s1, &u0, &u1)) {
  41     writeln("COLLIDE; u0=", u0, "; u1=", u1);
  42     writeln("u0v for s0: ", s0.orig*u0, " : ", s0.orig*u0+s0.radius);
  43     writeln("u0v for s1: ", s1.orig*u0, " : ", s0.orig*u0+s1.radius);
  44     writeln("u1v for s0: ", s0.orig*u1, " : ", s0.orig*u1+s0.radius);
  45     writeln("u1v for s1: ", s1.orig*u1, " : ", s1.orig*u1+s1.radius);
  46   }
  47
  48   if (a.sweepLine(amove, vec2(7, 7), vec2(14, 0), &u0, &hitnorm, &u1)) {
  49     writeln("COLLIDE; u0=", u0, "; u1=", u1, "; hitnorm=", hitnorm);
  50     writeln("u0v for a: ", a.min+amove*u0, " : ", a.max+amove*u0);
  51     writeln("u1v for a: ", a.min+amove*u1, " : ", a.max+amove*u1);
  52   }
  53 }