private void Update2DColliders()
{
for (int i = 0; i < colliders2D.Count; i++)
{
Collider2D source = colliders2D[i];
if (source == null || !source.enabled || !source.gameObject.activeInHierarchy)
{
continue;
}
Rigidbody2D rb = source.GetComponentInParent <Rigidbody2D>();
ObiCollider oc = source.GetComponent <ObiCollider>();
// Get the adequate rigidBodyIndex. If several colliders share a rigidbody, they'll get the same rigidBodyIndex.
int rigidBodyIndex = -1;
if (rb != null)
{
if (!rigidbodyIDs.TryGetValue(rb.GetInstanceID(), out rigidBodyIndex))
{
ObiRigidbody or = rb.GetComponent <ObiRigidbody>();
rigidBodyIndex = Oni.GetRigidbodyCount(oniColliderGroup);
Oni.SetRigidbodies(oniColliderGroup, new Oni.Rigidbody[] {
new Oni.Rigidbody(rb, (or != null) ? or.kinematicForParticles : false)
}, 1, rigidBodyIndex);
rigidbodyIDs[rb.GetInstanceID()] = rigidBodyIndex;
}
}
float thickness = (oc != null)?oc.thickness:0;
if (source is CircleCollider2D)
{
Oni.SetColliders(oniColliderGroup, new Oni.Collider[] {
new Oni.Collider(source, Oni.ShapeType.Sphere, thickness, Oni.GetShapeCount(oniColliderGroup, Oni.ShapeType.Sphere), rigidBodyIndex, (oc != null)?oc.materialIndex:0)
}, 1, Oni.GetColliderCount(oniColliderGroup));
Oni.SetSphereShapes(oniColliderGroup, new Oni.SphereShape[] {
new Oni.SphereShape(source as CircleCollider2D)
}, 1, Oni.GetShapeCount(oniColliderGroup, Oni.ShapeType.Sphere));
}
else if (source is BoxCollider2D)
{
Oni.SetColliders(oniColliderGroup, new Oni.Collider[] {
new Oni.Collider(source, Oni.ShapeType.Box, thickness, Oni.GetShapeCount(oniColliderGroup, Oni.ShapeType.Box), rigidBodyIndex, (oc != null)?oc.materialIndex:0)
}, 1, Oni.GetColliderCount(oniColliderGroup));
Oni.SetBoxShapes(oniColliderGroup, new Oni.BoxShape[] {
new Oni.BoxShape(source as BoxCollider2D)
}, 1, Oni.GetShapeCount(oniColliderGroup, Oni.ShapeType.Box));
}
else if (source is EdgeCollider2D)
{
EdgeCollider2D mc = source as EdgeCollider2D;
EdgeColliderShapeAndData shapeAndData;
if (!edgeColliderData.TryGetValue(source as EdgeCollider2D, out shapeAndData))
{
// Get current amount of triangle mesh shapes:
int shapeIndex = Oni.GetShapeCount(oniColliderGroup, Oni.ShapeType.EdgeMesh);
// Generate mesh collider triangle data and shape:
Oni.EdgeMeshData data = new Oni.EdgeMeshData(mc);
Oni.EdgeMeshShape shape = new Oni.EdgeMeshShape(mc,
thickness,
data.AddrOfVertexData(),
data.AddrOfEdgeData());
// Pack both in a small wrapper:
shapeAndData = new EdgeColliderShapeAndData(data, shape, shapeIndex);
// Tell Oni we want to define a new triangle mesh:
Oni.SetEdgeMeshShapes(oniColliderGroup,
new Oni.EdgeMeshShape[] { shapeAndData.meshShape },
1, shapeIndex);
Oni.UpdateEdgeMeshShapes(oniColliderGroup, 1, shapeIndex);
// Store mesh collider data:
edgeColliderData[mc] = shapeAndData;
}
Oni.SetColliders(oniColliderGroup, new Oni.Collider[] {
new Oni.Collider(source, Oni.ShapeType.EdgeMesh, thickness, shapeAndData.shapeIndex, rigidBodyIndex, (oc != null)?oc.materialIndex:0)
}, 1, Oni.GetColliderCount(oniColliderGroup));
}
else
{
Debug.LogWarning("2D Collider type " + source.GetType() + " not supported by Obi. Ignoring it.");
}
}
}
public EdgeColliderShapeAndData(Oni.EdgeMeshData meshData, Oni.EdgeMeshShape meshShape, int shapeIndex)
{
this.meshData = meshData;
this.meshShape = meshShape;
this.shapeIndex = shapeIndex;
}