//Creates examples for mater/collision.
func collisionExamples() {
{
circle := collision.NewCircle(vect.Vect{}, 1.0)
saveToFile(circle, "shape_circle")
}
{
segment := collision.NewSegment(vect.Vect{1, 1}, vect.Vect{-1, -1}, 0)
saveToFile(segment, "shape_segment")
}
{
verts := collision.Vertices{
{-1, -1},
{-1, 1},
{1, 1},
{1, -1},
}
poly := collision.NewPolygon(verts, vect.Vect{})
saveToFile(poly, "shape_polygon")
}
{
box := collision.NewBox(vect.Vect{}, 1, 1)
saveToFile(box, "shape_box")
}
{
body := collision.NewBody(collision.BodyType_Static)
saveToFile(body, "body_static")
}
{
body := collision.NewBody(collision.BodyType_Dynamic)
saveToFile(body, "body_dynamic")
}
{
space := collision.NewSpace()
saveToFile(space, "space")
}
}
func collisionTests() {
//circle-segment collision
{
space := collision.NewSpace()
space.Gravity = vect.Vect{0, 10}
{
body := collision.NewBody(collision.BodyType_Static)
body.Transform.Position = vect.Vect{-3, 0}
body.Transform.SetAngle(0.5)
seg := collision.NewSegment(vect.Vect{5, 0}, vect.Vect{-5, 0}, 0.0)
seg.Friction = 0.2
body.AddShape(seg)
space.AddBody(body)
}
{
body := collision.NewBody(collision.BodyType_Static)
body.Transform.Position = vect.Vect{3, 0}
body.Transform.SetAngle(-0.5)
seg := collision.NewSegment(vect.Vect{5, 0}, vect.Vect{-5, 0}, 1.0)
seg.Friction = 0.2
body.AddShape(seg)
space.AddBody(body)
}
{
body := collision.NewBody(collision.BodyType_Dynamic)
body.Transform.Position = vect.Vect{6, -7}
body.Transform.SetAngle(0)
circle := collision.NewCircle(vect.Vect{0, 0}, 1.0)
circle.Friction = 0.2
body.AddShape(circle)
space.AddBody(body)
}
saveToFile(space, "circle-segment")
}
//circle-polygon collision
{
space := collision.NewSpace()
space.Gravity = vect.Vect{0, 10}
{
body := collision.NewBody(collision.BodyType_Static)
body.Transform.Position = vect.Vect{-3, 0}
body.Transform.SetAngle(0.5)
verts := collision.Vertices{
{-5, -1},
{-5, 1},
{5, 1},
{5, -1},
}
poly := collision.NewPolygon(verts, vect.Vect{})
poly.Friction = 0.2
body.AddShape(poly)
space.AddBody(body)
}
{
body := collision.NewBody(collision.BodyType_Static)
body.Transform.Position = vect.Vect{3, 0}
body.Transform.SetAngle(-0.5)
verts := collision.Vertices{
{-5, -1},
{-5, 1},
{5, 1},
{5, -1},
}
poly := collision.NewPolygon(verts, vect.Vect{})
poly.Friction = 0.2
body.AddShape(poly)
space.AddBody(body)
}
{
body := collision.NewBody(collision.BodyType_Dynamic)
body.Transform.Position = vect.Vect{6, -7}
body.Transform.SetAngle(0)
circle := collision.NewCircle(vect.Vect{0, 0}, 1.0)
circle.Friction = 0.2
body.AddShape(circle)
space.AddBody(body)
}
saveToFile(space, "circle-polygon")
}
//polygon-polygon collision
{
space := collision.NewSpace()
space.Gravity = vect.Vect{0, 10}
{
body := collision.NewBody(collision.BodyType_Static)
body.Transform.Position = vect.Vect{-3, 0}
body.Transform.SetAngle(0.5)
verts := collision.Vertices{
{-5, -1},
{-5, 1},
{5, 1},
{5, -1},
}
poly := collision.NewPolygon(verts, vect.Vect{})
poly.Friction = 0.2
body.AddShape(poly)
space.AddBody(body)
}
{
body := collision.NewBody(collision.BodyType_Static)
body.Transform.Position = vect.Vect{3, 0}
body.Transform.SetAngle(-0.5)
verts := collision.Vertices{
{-5, -1},
{-5, 1},
{5, 1},
{5, -1},
}
poly := collision.NewPolygon(verts, vect.Vect{})
poly.Friction = 0.2
body.AddShape(poly)
space.AddBody(body)
}
{
body := collision.NewBody(collision.BodyType_Dynamic)
body.Transform.Position = vect.Vect{6, -7}
body.Transform.SetAngle(0)
box := collision.NewBox(vect.Vect{0, 0}, 1, 1)
box.Friction = 0.2
body.AddShape(box)
space.AddBody(body)
}
saveToFile(space, "polygon-polygon")
}
//polygon-polygon collision 2
{
space := collision.NewSpace()
space.Gravity = vect.Vect{0, 10}
{
body := collision.NewBody(collision.BodyType_Static)
body.Transform.Position = vect.Vect{-3, 0}
body.Transform.SetAngle(0.5)
verts := collision.Vertices{
{-5, -1},
{-5, 1},
{5, 1},
{5, -1},
}
poly := collision.NewPolygon(verts, vect.Vect{})
poly.Friction = 0.2
body.AddShape(poly)
space.AddBody(body)
}
{
body := collision.NewBody(collision.BodyType_Static)
body.Transform.Position = vect.Vect{3, 0}
body.Transform.SetAngle(-0.5)
verts := collision.Vertices{
{-5, -1},
{-5, 1},
{5, 1},
{5, -1},
}
poly := collision.NewPolygon(verts, vect.Vect{})
poly.Friction = 0.2
body.AddShape(poly)
space.AddBody(body)
}
{
body := collision.NewBody(collision.BodyType_Dynamic)
body.Transform.Position = vect.Vect{6, -7}
body.Transform.SetAngle(0)
{
box := collision.NewBox(vect.Vect{-0.2, -0.5}, 1, 1)
box.Friction = 0.2
body.AddShape(box)
}
{
box := collision.NewBox(vect.Vect{0.2, 0.5}, 1, 1)
box.Friction = 0.2
body.AddShape(box)
}
space.AddBody(body)
}
saveToFile(space, "polygon-polygon2")
}
//polygon-segment collision
{
space := collision.NewSpace()
space.Gravity = vect.Vect{0, 10}
{
body := collision.NewBody(collision.BodyType_Static)
body.Transform.Position = vect.Vect{-3, 0}
body.Transform.SetAngle(0.5)
seg := collision.NewSegment(vect.Vect{5, 0}, vect.Vect{-5, 0}, 0.0)
seg.Friction = 0.2
body.AddShape(seg)
space.AddBody(body)
}
{
body := collision.NewBody(collision.BodyType_Static)
body.Transform.Position = vect.Vect{3, 0}
body.Transform.SetAngle(-0.5)
seg := collision.NewSegment(vect.Vect{5, 0}, vect.Vect{-5, 0}, 1.0)
seg.Friction = 0.2
body.AddShape(seg)
space.AddBody(body)
}
{
body := collision.NewBody(collision.BodyType_Dynamic)
body.Transform.Position = vect.Vect{6, -7}
body.Transform.SetAngle(0)
box := collision.NewBox(vect.Vect{0, 0}, 1, 1)
box.Friction = 0.2
body.AddShape(box)
space.AddBody(body)
}
saveToFile(space, "polygon-segment")
}
//segment-polygon collision
{
space := collision.NewSpace()
space.Gravity = vect.Vect{0, 10}
{
body := collision.NewBody(collision.BodyType_Static)
body.Transform.Position = vect.Vect{-3, 0}
body.Transform.SetAngle(0.5)
verts := collision.Vertices{
{-5, -1},
{-5, 1},
{5, 1},
{5, -1},
}
poly := collision.NewPolygon(verts, vect.Vect{})
poly.Friction = 0.2
body.AddShape(poly)
space.AddBody(body)
}
{
body := collision.NewBody(collision.BodyType_Static)
body.Transform.Position = vect.Vect{3, 0}
body.Transform.SetAngle(-0.5)
verts := collision.Vertices{
{-5, -1},
{-5, 1},
{5, 1},
{5, -1},
}
poly := collision.NewPolygon(verts, vect.Vect{})
poly.Friction = 0.2
body.AddShape(poly)
space.AddBody(body)
}
{
body := collision.NewBody(collision.BodyType_Dynamic)
body.Transform.Position = vect.Vect{5, -7}
body.Transform.SetAngle(0)
{
seg := collision.NewSegment(vect.Vect{-1, 0}, vect.Vect{1, 0}, 0.5)
seg.Friction = 0.2
body.AddShape(seg)
}
space.AddBody(body)
}
saveToFile(space, "segment-polygon")
}
}