internal static ColliderShape Compose(IReadOnlyList <IAssetColliderShapeDesc> descs)
{
if (descs == null)
{
return(null);
}
ColliderShape res = null;
if (descs.Count == 1) //single shape case
{
res = CreateShape(descs[0]);
if (res == null)
{
return(null);
}
res.DoNotDispose = true;
}
else if (descs.Count > 1) //need a compound shape in this case
{
var compound = new CompoundColliderShape();
foreach (var desc in descs)
{
var subShape = CreateShape(desc);
if (subShape == null)
{
continue;
}
compound.AddChildShape(subShape);
}
res = compound;
res.DoNotDispose = true;
}
return(res);
}
public ColliderShape CreateShape()
{
if (ConvexHulls == null)
{
return(null);
}
ColliderShape shape;
//Optimize performance and focus on less shapes creation since this shape could be nested
if (ConvexHulls.Count == 1)
{
if (ConvexHulls[0].Count == 1 && ConvexHullsIndices[0][0].Count > 0)
{
shape = new ConvexHullColliderShape(ConvexHulls[0][0], ConvexHullsIndices[0][0], Scaling)
{
NeedsCustomCollisionCallback = true,
};
//shape.UpdateLocalTransformations();
shape.Description = this;
return(shape);
}
if (ConvexHulls[0].Count <= 1)
{
return(null);
}
var subCompound = new CompoundColliderShape
{
NeedsCustomCollisionCallback = true,
};
for (var i = 0; i < ConvexHulls[0].Count; i++)
{
var verts = ConvexHulls[0][i];
var indices = ConvexHullsIndices[0][i];
if (indices.Count == 0)
{
continue;
}
var subHull = new ConvexHullColliderShape(verts, indices, Scaling);
//subHull.UpdateLocalTransformations();
subCompound.AddChildShape(subHull);
}
//subCompound.UpdateLocalTransformations();
subCompound.Description = this;
return(subCompound);
}
if (ConvexHulls.Count <= 1)
{
return(null);
}
var compound = new CompoundColliderShape
{
NeedsCustomCollisionCallback = true,
};
for (var i = 0; i < ConvexHulls.Count; i++)
{
var verts = ConvexHulls[i];
var indices = ConvexHullsIndices[i];
if (verts.Count == 1)
{
if (indices[0].Count == 0)
{
continue;
}
var subHull = new ConvexHullColliderShape(verts[0], indices[0], Scaling);
//subHull.UpdateLocalTransformations();
compound.AddChildShape(subHull);
}
else if (verts.Count > 1)
{
var subCompound = new CompoundColliderShape();
for (var b = 0; b < verts.Count; b++)
{
var subVerts = verts[b];
var subIndex = indices[b];
if (subIndex.Count == 0)
{
continue;
}
var subHull = new ConvexHullColliderShape(subVerts, subIndex, Scaling);
//subHull.UpdateLocalTransformations();
subCompound.AddChildShape(subHull);
}
//subCompound.UpdateLocalTransformations();
compound.AddChildShape(subCompound);
}
}
//compound.UpdateLocalTransformations();
compound.Description = this;
return(compound);
}
internal static ColliderShape CreateShape(IColliderShapeDesc desc)
{
if (desc == null)
{
return(null);
}
ColliderShape shape = null;
var type = desc.GetType();
if (type == typeof(BoxColliderShapeDesc))
{
var boxDesc = (BoxColliderShapeDesc)desc;
shape = new BoxColliderShape(boxDesc.Is2D, boxDesc.Size)
{
LocalOffset = boxDesc.LocalOffset, LocalRotation = boxDesc.LocalRotation
};
}
else if (type == typeof(CapsuleColliderShapeDesc))
{
var capsuleDesc = (CapsuleColliderShapeDesc)desc;
shape = new CapsuleColliderShape(capsuleDesc.Is2D, capsuleDesc.Radius, capsuleDesc.Length, capsuleDesc.Orientation)
{
LocalOffset = capsuleDesc.LocalOffset, LocalRotation = capsuleDesc.LocalRotation
};
}
else if (type == typeof(CylinderColliderShapeDesc))
{
var cylinderDesc = (CylinderColliderShapeDesc)desc;
shape = new CylinderColliderShape(cylinderDesc.Height, cylinderDesc.Radius, cylinderDesc.Orientation)
{
LocalOffset = cylinderDesc.LocalOffset, LocalRotation = cylinderDesc.LocalRotation
};
}
else if (type == typeof(ConeColliderShapeDesc))
{
var coneDesc = (ConeColliderShapeDesc)desc;
shape = new ConeColliderShape(coneDesc.Height, coneDesc.Radius, coneDesc.Orientation)
{
LocalOffset = coneDesc.LocalOffset, LocalRotation = coneDesc.LocalRotation
};
}
else if (type == typeof(SphereColliderShapeDesc))
{
var sphereDesc = (SphereColliderShapeDesc)desc;
shape = new SphereColliderShape(sphereDesc.Is2D, sphereDesc.Radius)
{
LocalOffset = sphereDesc.LocalOffset
};
}
else if (type == typeof(StaticPlaneColliderShapeDesc))
{
var planeDesc = (StaticPlaneColliderShapeDesc)desc;
shape = new StaticPlaneColliderShape(planeDesc.Normal, planeDesc.Offset);
}
else if (type == typeof(ConvexHullColliderShapeDesc))
{
var convexDesc = (ConvexHullColliderShapeDesc)desc;
if (convexDesc.ConvexHulls == null)
{
return(null);
}
//Optimize performance and focus on less shapes creation since this shape could be nested
if (convexDesc.ConvexHulls.Count == 1)
{
if (convexDesc.ConvexHulls[0].Count == 1 && convexDesc.ConvexHullsIndices[0][0].Count > 0)
{
shape = new ConvexHullColliderShape(convexDesc.ConvexHulls[0][0], convexDesc.ConvexHullsIndices[0][0], convexDesc.Scaling)
{
NeedsCustomCollisionCallback = true,
};
//shape.UpdateLocalTransformations();
shape.Description = desc;
return(shape);
}
if (convexDesc.ConvexHulls[0].Count <= 1)
{
return(null);
}
var subCompound = new CompoundColliderShape
{
NeedsCustomCollisionCallback = true,
};
for (var i = 0; i < convexDesc.ConvexHulls[0].Count; i++)
{
var verts = convexDesc.ConvexHulls[0][i];
var indices = convexDesc.ConvexHullsIndices[0][i];
if (indices.Count == 0)
{
continue;
}
var subHull = new ConvexHullColliderShape(verts, indices, convexDesc.Scaling);
//subHull.UpdateLocalTransformations();
subCompound.AddChildShape(subHull);
}
//subCompound.UpdateLocalTransformations();
subCompound.Description = desc;
return(subCompound);
}
if (convexDesc.ConvexHulls.Count <= 1)
{
return(null);
}
var compound = new CompoundColliderShape
{
NeedsCustomCollisionCallback = true,
};
for (var i = 0; i < convexDesc.ConvexHulls.Count; i++)
{
var verts = convexDesc.ConvexHulls[i];
var indices = convexDesc.ConvexHullsIndices[i];
if (verts.Count == 1)
{
if (indices[0].Count == 0)
{
continue;
}
var subHull = new ConvexHullColliderShape(verts[0], indices[0], convexDesc.Scaling);
//subHull.UpdateLocalTransformations();
compound.AddChildShape(subHull);
}
else if (verts.Count > 1)
{
var subCompound = new CompoundColliderShape();
for (var b = 0; b < verts.Count; b++)
{
var subVerts = verts[b];
var subIndex = indices[b];
if (subIndex.Count == 0)
{
continue;
}
var subHull = new ConvexHullColliderShape(subVerts, subIndex, convexDesc.Scaling);
//subHull.UpdateLocalTransformations();
subCompound.AddChildShape(subHull);
}
//subCompound.UpdateLocalTransformations();
compound.AddChildShape(subCompound);
}
}
//compound.UpdateLocalTransformations();
compound.Description = desc;
return(compound);
}
else if (type == typeof(ColliderShapeAssetDesc))
{
var assetDesc = (ColliderShapeAssetDesc)desc;
if (assetDesc.Shape == null)
{
return(null);
}
if (assetDesc.Shape.Shape == null)
{
assetDesc.Shape.Shape = Compose(assetDesc.Shape.Descriptions);
}
shape = assetDesc.Shape.Shape;
}
if (shape == null)
{
return(shape);
}
//shape.UpdateLocalTransformations();
shape.Description = desc;
return(shape);
}