private static DebugColor SpaceDebugDrawColorForShapeCallback(cpShape handleShape, voidptr_t data)
{
IDebugDraw debugDraw = NativeInterop.FromIntPtr <IDebugDraw>(data);
var shape = Shape.FromHandle(handleShape);
return(debugDraw.ColorForShape(shape));
}
private static void SpaceDebugDrawPolygonCallback(int count, cpVertPointer verts, double radius, DebugColor outlineColor, DebugColor fillColor, voidptr_t data)
{
IDebugDraw debugDraw = NativeInterop.FromIntPtr <IDebugDraw>(data);
Vect[] vectors = NativeInterop.PtrToStructureArray <Vect>(verts, count);
debugDraw.DrawPolygon(vectors, radius, outlineColor, fillColor);
}
internal static CollisionHandler <T> GetOrCreate(cpCollisionHandlerPointer collisionHandle)
{
Debug.Assert(collisionHandle != IntPtr.Zero, "CollisionHandle cannot be zero");
var handler = cpCollisionHandler.FromHandle(collisionHandle);
if (handler.userData != IntPtr.Zero)
{
return(NativeInterop.FromIntPtr <CollisionHandler <T> >(handler.userData));
}
return(new CollisionHandler <T>(collisionHandle, ref handler));
}
private static void SpaceDebugDrawCircleCallback(Vect pos, double angle, double radius, DebugColor outlineColor, DebugColor fillColor, voidptr_t data)
{
IDebugDraw debugDraw = NativeInterop.FromIntPtr <IDebugDraw>(data);
debugDraw.DrawCircle(pos, angle, radius, outlineColor, fillColor);
}
private static void SpaceDebugDrawDotCallback(double size, Vect pos, DebugColor color, voidptr_t data)
{
IDebugDraw debugDraw = NativeInterop.FromIntPtr <IDebugDraw>(data);
debugDraw.DrawDot(size, pos, color);
}
private static void SpaceDebugDrawFatSegmentCallback(Vect a, Vect b, double radius, DebugColor outlineColor, DebugColor fillColor, voidptr_t data)
{
IDebugDraw debugDraw = NativeInterop.FromIntPtr <IDebugDraw>(data);
debugDraw.DrawFatSegment(a, b, radius, outlineColor, fillColor);
}
private static void SpaceDebugDrawSegmentCallback(Vect a, Vect b, DebugColor color, voidptr_t data)
{
IDebugDraw debugDraw = NativeInterop.FromIntPtr <IDebugDraw>(data);
debugDraw.DrawSegment(a, b, color);
}
/// <summary>
/// Get a Constraint object from a native handle.
/// </summary>
public static Constraint FromHandle(cpConstraint constraint)
{
cpDataPointer handle = NativeMethods.cpConstraintGetUserData(constraint);
return(NativeInterop.FromIntPtr <Constraint>(handle));
}
/// <summary>
/// Get a managed Shape from a native handle.
/// </summary>
public static Shape FromHandle(cpShape shape)
{
cpDataPointer handle = NativeMethods.cpShapeGetUserData(shape);
return(NativeInterop.FromIntPtr <Shape>(handle));
}
/// <summary>
/// Get a <see cref="Body"/> object from a native cpBody handle.
/// </summary>
public static Body FromHandle(cpBody body)
{
cpDataPointer handle = NativeMethods.cpBodyGetUserData(body);
return(NativeInterop.FromIntPtr <Body>(handle));
}
/// <summary>
/// Get a Space object from native cpSpace handle.
/// </summary>
public static Space FromHandle(cpSpace space)
{
cpDataPointer handle = NativeMethods.cpSpaceGetUserData(space);
return(NativeInterop.FromIntPtr <Space>(handle));
}